#include "PPC.h"
#include "InstPrinter/PPCInstPrinter.h"
#include "MCTargetDesc/PPCPredicates.h"
+#include "MCTargetDesc/PPCMCExpr.h"
#include "PPCSubtarget.h"
#include "PPCTargetMachine.h"
#include "llvm/ADT/MapVector.h"
bool PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNo,
unsigned AsmVariant, const char *ExtraCode,
raw_ostream &O);
-
- 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
// Lower multi-instruction pseudo operations.
switch (MI->getOpcode()) {
default: break;
- case TargetOpcode::DBG_VALUE: {
- if (!isVerbose() || !OutStreamer.hasRawTextSupport()) return;
-
- SmallString<32> Str;
- raw_svector_ostream O(Str);
- 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;
- }
-
+ case TargetOpcode::DBG_VALUE:
+ llvm_unreachable("Should be handled target independently");
case PPC::MovePCtoLR:
case PPC::MovePCtoLR8: {
// Transform %LR = MovePCtoLR
MCSymbol *PICBase = MF->getPICBaseSymbol();
// Emit the 'bl'.
- OutStreamer.EmitInstruction(MCInstBuilder(PPC::BL_Darwin) // Darwin vs SVR4 doesn't matter here.
+ OutStreamer.EmitInstruction(MCInstBuilder(PPC::BL)
// FIXME: We would like an efficient form for this, so we don't have to do
// a lot of extra uniquing.
.addExpr(MCSymbolRefExpr::Create(PICBase, OutContext)));
MCSymbol *TOCEntry = lookUpOrCreateTOCEntry(MOSymbol);
const MCExpr *Exp =
- MCSymbolRefExpr::Create(TOCEntry, MCSymbolRefExpr::VK_PPC_TOC_ENTRY,
+ MCSymbolRefExpr::Create(TOCEntry, MCSymbolRefExpr::VK_PPC_TOC,
OutContext);
TmpInst.getOperand(1) = MCOperand::CreateExpr(Exp);
OutStreamer.EmitInstruction(TmpInst);
bool IsExternal = false;
bool IsFunction = false;
bool IsCommon = false;
+ bool IsAvailExt = false;
if (MO.isGlobal()) {
const GlobalValue *GValue = MO.getGlobal();
- MOSymbol = Mang->getSymbol(GValue);
- const GlobalVariable *GVar = dyn_cast<GlobalVariable>(GValue);
+ const GlobalAlias *GAlias = dyn_cast<GlobalAlias>(GValue);
+ const GlobalValue *RealGValue = GAlias ?
+ GAlias->resolveAliasedGlobal(false) : GValue;
+ MOSymbol = Mang->getSymbol(RealGValue);
+ const GlobalVariable *GVar = dyn_cast<GlobalVariable>(RealGValue);
IsExternal = GVar && !GVar->hasInitializer();
- IsCommon = GVar && GValue->hasCommonLinkage();
+ IsCommon = GVar && RealGValue->hasCommonLinkage();
IsFunction = !GVar;
+ IsAvailExt = GVar && RealGValue->hasAvailableExternallyLinkage();
} else if (MO.isCPI())
MOSymbol = GetCPISymbol(MO.getIndex());
else if (MO.isJTI())
MOSymbol = GetJTISymbol(MO.getIndex());
- if (IsExternal || IsFunction || IsCommon || MO.isJTI())
+ if (IsExternal || IsFunction || IsCommon || IsAvailExt || MO.isJTI())
MOSymbol = lookUpOrCreateTOCEntry(MOSymbol);
const MCExpr *Exp =
- MCSymbolRefExpr::Create(MOSymbol, MCSymbolRefExpr::VK_PPC_TOC16_HA,
+ MCSymbolRefExpr::Create(MOSymbol, MCSymbolRefExpr::VK_PPC_TOC_HA,
OutContext);
TmpInst.getOperand(2) = MCOperand::CreateExpr(Exp);
OutStreamer.EmitInstruction(TmpInst);
// Transform %Xd = LDtocL <ga:@sym>, %Xs
LowerPPCMachineInstrToMCInst(MI, TmpInst, *this, Subtarget.isDarwin());
- // Change the opcode to LDrs, which is a form of LD with the offset
- // specified by a SymbolLo. If the global address is external, has
+ // Change the opcode to LD. If the global address is external, has
// common linkage, or is a jump table address, then reference the
// associated TOC entry. Otherwise reference the symbol directly.
- TmpInst.setOpcode(PPC::LDrs);
+ TmpInst.setOpcode(PPC::LD);
const MachineOperand &MO = MI->getOperand(1);
- assert((MO.isGlobal() || MO.isJTI()) && "Invalid operand for LDtocL!");
+ assert((MO.isGlobal() || MO.isJTI() || MO.isCPI()) &&
+ "Invalid operand for LDtocL!");
MCSymbol *MOSymbol = 0;
if (MO.isJTI())
MOSymbol = lookUpOrCreateTOCEntry(GetJTISymbol(MO.getIndex()));
- else {
+ else if (MO.isCPI())
+ MOSymbol = GetCPISymbol(MO.getIndex());
+ else if (MO.isGlobal()) {
const GlobalValue *GValue = MO.getGlobal();
- MOSymbol = Mang->getSymbol(GValue);
- const GlobalVariable *GVar = dyn_cast<GlobalVariable>(GValue);
+ const GlobalAlias *GAlias = dyn_cast<GlobalAlias>(GValue);
+ const GlobalValue *RealGValue = GAlias ?
+ GAlias->resolveAliasedGlobal(false) : GValue;
+ MOSymbol = Mang->getSymbol(RealGValue);
+ const GlobalVariable *GVar = dyn_cast<GlobalVariable>(RealGValue);
- if (!GVar || !GVar->hasInitializer() || GValue->hasCommonLinkage())
+ if (!GVar || !GVar->hasInitializer() || RealGValue->hasCommonLinkage() ||
+ RealGValue->hasAvailableExternallyLinkage())
MOSymbol = lookUpOrCreateTOCEntry(MOSymbol);
}
const MCExpr *Exp =
- MCSymbolRefExpr::Create(MOSymbol, MCSymbolRefExpr::VK_PPC_TOC16_LO,
+ MCSymbolRefExpr::Create(MOSymbol, MCSymbolRefExpr::VK_PPC_TOC_LO,
OutContext);
TmpInst.getOperand(1) = MCOperand::CreateExpr(Exp);
OutStreamer.EmitInstruction(TmpInst);
// Transform %Xd = ADDItocL %Xs, <ga:@sym>
LowerPPCMachineInstrToMCInst(MI, TmpInst, *this, Subtarget.isDarwin());
- // Change the opcode to ADDI8L. If the global address is external, then
+ // Change the opcode to ADDI8. If the global address is external, then
// generate a TOC entry and reference that. Otherwise reference the
// symbol directly.
- TmpInst.setOpcode(PPC::ADDI8L);
+ TmpInst.setOpcode(PPC::ADDI8);
const MachineOperand &MO = MI->getOperand(2);
assert((MO.isGlobal() || MO.isCPI()) && "Invalid operand for ADDItocL");
MCSymbol *MOSymbol = 0;
if (MO.isGlobal()) {
const GlobalValue *GValue = MO.getGlobal();
- MOSymbol = Mang->getSymbol(GValue);
- const GlobalVariable *GVar = dyn_cast<GlobalVariable>(GValue);
+ const GlobalAlias *GAlias = dyn_cast<GlobalAlias>(GValue);
+ const GlobalValue *RealGValue = GAlias ?
+ GAlias->resolveAliasedGlobal(false) : GValue;
+ MOSymbol = Mang->getSymbol(RealGValue);
+ const GlobalVariable *GVar = dyn_cast<GlobalVariable>(RealGValue);
IsExternal = GVar && !GVar->hasInitializer();
IsFunction = !GVar;
} else if (MO.isCPI())
MOSymbol = lookUpOrCreateTOCEntry(MOSymbol);
const MCExpr *Exp =
- MCSymbolRefExpr::Create(MOSymbol, MCSymbolRefExpr::VK_PPC_TOC16_LO,
+ MCSymbolRefExpr::Create(MOSymbol, MCSymbolRefExpr::VK_PPC_TOC_LO,
OutContext);
TmpInst.getOperand(2) = MCOperand::CreateExpr(Exp);
OutStreamer.EmitInstruction(TmpInst);
const GlobalValue *GValue = MO.getGlobal();
MCSymbol *MOSymbol = Mang->getSymbol(GValue);
const MCExpr *SymGotTprel =
- MCSymbolRefExpr::Create(MOSymbol, MCSymbolRefExpr::VK_PPC_GOT_TPREL16_HA,
+ MCSymbolRefExpr::Create(MOSymbol, MCSymbolRefExpr::VK_PPC_GOT_TPREL_HA,
OutContext);
OutStreamer.EmitInstruction(MCInstBuilder(PPC::ADDIS8)
.addReg(MI->getOperand(0).getReg())
// Transform %Xd = LDgotTprelL <ga:@sym>, %Xs
LowerPPCMachineInstrToMCInst(MI, TmpInst, *this, Subtarget.isDarwin());
- // Change the opcode to LDrs, which is a form of LD with the offset
- // specified by a SymbolLo.
- TmpInst.setOpcode(PPC::LDrs);
+ // Change the opcode to LD.
+ TmpInst.setOpcode(PPC::LD);
const MachineOperand &MO = MI->getOperand(1);
const GlobalValue *GValue = MO.getGlobal();
MCSymbol *MOSymbol = Mang->getSymbol(GValue);
const MCExpr *Exp =
- MCSymbolRefExpr::Create(MOSymbol, MCSymbolRefExpr::VK_PPC_GOT_TPREL16_LO,
+ MCSymbolRefExpr::Create(MOSymbol, MCSymbolRefExpr::VK_PPC_GOT_TPREL_LO,
OutContext);
TmpInst.getOperand(1) = MCOperand::CreateExpr(Exp);
OutStreamer.EmitInstruction(TmpInst);
const GlobalValue *GValue = MO.getGlobal();
MCSymbol *MOSymbol = Mang->getSymbol(GValue);
const MCExpr *SymGotTlsGD =
- MCSymbolRefExpr::Create(MOSymbol, MCSymbolRefExpr::VK_PPC_GOT_TLSGD16_HA,
+ MCSymbolRefExpr::Create(MOSymbol, MCSymbolRefExpr::VK_PPC_GOT_TLSGD_HA,
OutContext);
OutStreamer.EmitInstruction(MCInstBuilder(PPC::ADDIS8)
.addReg(MI->getOperand(0).getReg())
}
case PPC::ADDItlsgdL: {
// Transform: %Xd = ADDItlsgdL %Xs, <ga:@sym>
- // Into: %Xd = ADDI8L %Xs, sym@got@tlsgd@l
+ // Into: %Xd = ADDI8 %Xs, sym@got@tlsgd@l
assert(Subtarget.isPPC64() && "Not supported for 32-bit PowerPC");
const MachineOperand &MO = MI->getOperand(2);
const GlobalValue *GValue = MO.getGlobal();
MCSymbol *MOSymbol = Mang->getSymbol(GValue);
const MCExpr *SymGotTlsGD =
- MCSymbolRefExpr::Create(MOSymbol, MCSymbolRefExpr::VK_PPC_GOT_TLSGD16_LO,
+ MCSymbolRefExpr::Create(MOSymbol, MCSymbolRefExpr::VK_PPC_GOT_TLSGD_LO,
OutContext);
- OutStreamer.EmitInstruction(MCInstBuilder(PPC::ADDI8L)
+ OutStreamer.EmitInstruction(MCInstBuilder(PPC::ADDI8)
.addReg(MI->getOperand(0).getReg())
.addReg(MI->getOperand(1).getReg())
.addExpr(SymGotTlsGD));
}
case PPC::GETtlsADDR: {
// Transform: %X3 = GETtlsADDR %X3, <ga:@sym>
- // Into: BL8_NOP_ELF_TLSGD __tls_get_addr(sym@tlsgd)
+ // Into: BL8_NOP_TLS __tls_get_addr(sym@tlsgd)
assert(Subtarget.isPPC64() && "Not supported for 32-bit PowerPC");
StringRef Name = "__tls_get_addr";
const MCExpr *SymVar =
MCSymbolRefExpr::Create(MOSymbol, MCSymbolRefExpr::VK_PPC_TLSGD,
OutContext);
- OutStreamer.EmitInstruction(MCInstBuilder(PPC::BL8_NOP_ELF_TLSGD)
+ OutStreamer.EmitInstruction(MCInstBuilder(PPC::BL8_NOP_TLS)
.addExpr(TlsRef)
.addExpr(SymVar));
return;
const GlobalValue *GValue = MO.getGlobal();
MCSymbol *MOSymbol = Mang->getSymbol(GValue);
const MCExpr *SymGotTlsLD =
- MCSymbolRefExpr::Create(MOSymbol, MCSymbolRefExpr::VK_PPC_GOT_TLSLD16_HA,
+ MCSymbolRefExpr::Create(MOSymbol, MCSymbolRefExpr::VK_PPC_GOT_TLSLD_HA,
OutContext);
OutStreamer.EmitInstruction(MCInstBuilder(PPC::ADDIS8)
.addReg(MI->getOperand(0).getReg())
}
case PPC::ADDItlsldL: {
// Transform: %Xd = ADDItlsldL %Xs, <ga:@sym>
- // Into: %Xd = ADDI8L %Xs, sym@got@tlsld@l
+ // Into: %Xd = ADDI8 %Xs, sym@got@tlsld@l
assert(Subtarget.isPPC64() && "Not supported for 32-bit PowerPC");
const MachineOperand &MO = MI->getOperand(2);
const GlobalValue *GValue = MO.getGlobal();
MCSymbol *MOSymbol = Mang->getSymbol(GValue);
const MCExpr *SymGotTlsLD =
- MCSymbolRefExpr::Create(MOSymbol, MCSymbolRefExpr::VK_PPC_GOT_TLSLD16_LO,
+ MCSymbolRefExpr::Create(MOSymbol, MCSymbolRefExpr::VK_PPC_GOT_TLSLD_LO,
OutContext);
- OutStreamer.EmitInstruction(MCInstBuilder(PPC::ADDI8L)
+ OutStreamer.EmitInstruction(MCInstBuilder(PPC::ADDI8)
.addReg(MI->getOperand(0).getReg())
.addReg(MI->getOperand(1).getReg())
.addExpr(SymGotTlsLD));
}
case PPC::GETtlsldADDR: {
// Transform: %X3 = GETtlsldADDR %X3, <ga:@sym>
- // Into: BL8_NOP_ELF_TLSLD __tls_get_addr(sym@tlsld)
+ // Into: BL8_NOP_TLS __tls_get_addr(sym@tlsld)
assert(Subtarget.isPPC64() && "Not supported for 32-bit PowerPC");
StringRef Name = "__tls_get_addr";
const MCExpr *SymVar =
MCSymbolRefExpr::Create(MOSymbol, MCSymbolRefExpr::VK_PPC_TLSLD,
OutContext);
- OutStreamer.EmitInstruction(MCInstBuilder(PPC::BL8_NOP_ELF_TLSLD)
+ OutStreamer.EmitInstruction(MCInstBuilder(PPC::BL8_NOP_TLS)
.addExpr(TlsRef)
.addExpr(SymVar));
return;
const GlobalValue *GValue = MO.getGlobal();
MCSymbol *MOSymbol = Mang->getSymbol(GValue);
const MCExpr *SymDtprel =
- MCSymbolRefExpr::Create(MOSymbol, MCSymbolRefExpr::VK_PPC_DTPREL16_HA,
+ MCSymbolRefExpr::Create(MOSymbol, MCSymbolRefExpr::VK_PPC_DTPREL_HA,
OutContext);
OutStreamer.EmitInstruction(MCInstBuilder(PPC::ADDIS8)
.addReg(MI->getOperand(0).getReg())
}
case PPC::ADDIdtprelL: {
// Transform: %Xd = ADDIdtprelL %Xs, <ga:@sym>
- // Into: %Xd = ADDI8L %Xs, sym@dtprel@l
+ // Into: %Xd = ADDI8 %Xs, sym@dtprel@l
assert(Subtarget.isPPC64() && "Not supported for 32-bit PowerPC");
const MachineOperand &MO = MI->getOperand(2);
const GlobalValue *GValue = MO.getGlobal();
MCSymbol *MOSymbol = Mang->getSymbol(GValue);
const MCExpr *SymDtprel =
- MCSymbolRefExpr::Create(MOSymbol, MCSymbolRefExpr::VK_PPC_DTPREL16_LO,
+ MCSymbolRefExpr::Create(MOSymbol, MCSymbolRefExpr::VK_PPC_DTPREL_LO,
OutContext);
- OutStreamer.EmitInstruction(MCInstBuilder(PPC::ADDI8L)
+ OutStreamer.EmitInstruction(MCInstBuilder(PPC::ADDI8)
.addReg(MI->getOperand(0).getReg())
.addReg(MI->getOperand(1).getReg())
.addExpr(SymDtprel));
return;
}
- case PPC::MFCRpseud:
- case PPC::MFCR8pseud:
- // Transform: %R3 = MFCRpseud %CR7
- // Into: %R3 = MFCR ;; cr7
- OutStreamer.AddComment(PPCInstPrinter::
- getRegisterName(MI->getOperand(1).getReg()));
- OutStreamer.EmitInstruction(MCInstBuilder(Subtarget.isPPC64() ? PPC::MFCR8 : PPC::MFCR)
- .addReg(MI->getOperand(0).getReg()));
- return;
+ case PPC::MFOCRF:
+ case PPC::MFOCRF8:
+ if (!Subtarget.hasMFOCRF()) {
+ // Transform: %R3 = MFOCRF %CR7
+ // Into: %R3 = MFCR ;; cr7
+ unsigned NewOpcode =
+ MI->getOpcode() == PPC::MFOCRF ? PPC::MFCR : PPC::MFCR8;
+ OutStreamer.AddComment(PPCInstPrinter::
+ getRegisterName(MI->getOperand(1).getReg()));
+ OutStreamer.EmitInstruction(MCInstBuilder(NewOpcode)
+ .addReg(MI->getOperand(0).getReg()));
+ return;
+ }
+ break;
+ case PPC::MTOCRF:
+ case PPC::MTOCRF8:
+ if (!Subtarget.hasMFOCRF()) {
+ // Transform: %CR7 = MTOCRF %R3
+ // Into: MTCRF mask, %R3 ;; cr7
+ unsigned NewOpcode =
+ MI->getOpcode() == PPC::MTOCRF ? PPC::MTCRF : PPC::MTCRF8;
+ unsigned Mask = 0x80 >> OutContext.getRegisterInfo()
+ ->getEncodingValue(MI->getOperand(0).getReg());
+ OutStreamer.AddComment(PPCInstPrinter::
+ getRegisterName(MI->getOperand(0).getReg()));
+ OutStreamer.EmitInstruction(MCInstBuilder(NewOpcode)
+ .addImm(Mask)
+ .addReg(MI->getOperand(1).getReg()));
+ return;
+ }
+ break;
case PPC::SYNC:
// In Book E sync is called msync, handle this special case here...
if (Subtarget.isBookE()) {
OutStreamer.EmitRawText(StringRef("\tmsync"));
return;
}
+ break;
+ case PPC::LD:
+ case PPC::STD:
+ case PPC::LWA: {
+ // Verify alignment is legal, so we don't create relocations
+ // that can't be supported.
+ // FIXME: This test is currently disabled for Darwin. The test
+ // suite shows a handful of test cases that fail this check for
+ // Darwin. Those need to be investigated before this sanity test
+ // can be enabled for those subtargets.
+ if (!Subtarget.isDarwin()) {
+ unsigned OpNum = (MI->getOpcode() == PPC::STD) ? 2 : 1;
+ const MachineOperand &MO = MI->getOperand(OpNum);
+ if (MO.isGlobal() && MO.getGlobal()->getAlignment() < 4)
+ llvm_unreachable("Global must be word-aligned for LD, STD, LWA!");
+ }
+ // Now process the instruction normally.
+ break;
+ }
}
LowerPPCMachineInstrToMCInst(MI, TmpInst, *this, Subtarget.isDarwin());
return AsmPrinter::EmitFunctionEntryLabel();
// Emit an official procedure descriptor.
- const MCSection *Current = OutStreamer.getCurrentSection();
+ MCSectionSubPair Current = OutStreamer.getCurrentSection();
const MCSectionELF *Section = OutStreamer.getContext().getELFSection(".opd",
ELF::SHT_PROGBITS, ELF::SHF_WRITE | ELF::SHF_ALLOC,
SectionKind::getReadOnly());
// Generates a R_PPC64_ADDR64 (from FK_DATA_8) relocation for the function
// entry point.
OutStreamer.EmitValue(MCSymbolRefExpr::Create(Symbol1, OutContext),
- 8/*size*/, 0/*addrspace*/);
+ 8 /*size*/);
MCSymbol *Symbol2 = OutContext.GetOrCreateSymbol(StringRef(".TOC."));
// Generates a R_PPC64_TOC relocation for TOC base insertion.
OutStreamer.EmitValue(MCSymbolRefExpr::Create(Symbol2,
- MCSymbolRefExpr::VK_PPC_TOC, OutContext),
- 8/*size*/, 0/*addrspace*/);
+ MCSymbolRefExpr::VK_PPC_TOCBASE, OutContext),
+ 8/*size*/);
// Emit a null environment pointer.
- OutStreamer.EmitIntValue(0, 8 /* size */, 0 /* addrspace */);
- OutStreamer.SwitchSection(Current);
+ OutStreamer.EmitIntValue(0, 8 /* size */);
+ OutStreamer.SwitchSection(Current.first, Current.second);
MCSymbol *RealFnSym = OutContext.GetOrCreateSymbol(
".L." + Twine(CurrentFnSym->getName()));
}
}
+ MachineModuleInfoELF &MMIELF =
+ MMI->getObjFileInfo<MachineModuleInfoELF>();
+
+ MachineModuleInfoELF::SymbolListTy Stubs = MMIELF.GetGVStubList();
+ if (!Stubs.empty()) {
+ OutStreamer.SwitchSection(getObjFileLowering().getDataSection());
+ for (unsigned i = 0, e = Stubs.size(); i != e; ++i) {
+ // L_foo$stub:
+ OutStreamer.EmitLabel(Stubs[i].first);
+ // .long _foo
+ OutStreamer.EmitValue(MCSymbolRefExpr::Create(Stubs[i].second.getPointer(),
+ OutContext),
+ isPPC64 ? 8 : 4/*size*/);
+ }
+
+ Stubs.clear();
+ OutStreamer.AddBlankLine();
+ }
+
return AsmPrinter::doFinalization(M);
}
"ppcA2",
"ppce500mc",
"ppce5500",
+ "power3",
+ "power4",
+ "power5",
+ "power5x",
"power6",
+ "power6x",
"power7",
- "ppc64"
+ "ppc64",
+ "ppc64le"
};
unsigned Directive = Subtarget.getDarwinDirective();
assert(Directive <= PPC::DIR_64 && "Directive out of range.");
// FIXME: This is a total hack, finish mc'izing the PPC backend.
- if (OutStreamer.hasRawTextSupport())
+ if (OutStreamer.hasRawTextSupport()) {
+ assert(Directive < array_lengthof(CPUDirectives) &&
+ "CPUDirectives[] might not be up-to-date!");
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.
void PPCDarwinAsmPrinter::
EmitFunctionStubs(const MachineModuleInfoMachO::SymbolListTy &Stubs) {
bool isPPC64 = TM.getDataLayout()->getPointerSizeInBits() == 64;
+ bool isDarwin = Subtarget.isDarwin();
const TargetLoweringObjectFileMachO &TLOFMacho =
static_cast<const TargetLoweringObjectFileMachO &>(getObjFileLowering());
OutStreamer.EmitLabel(Stub);
OutStreamer.EmitSymbolAttribute(RawSym, MCSA_IndirectSymbol);
+ const MCExpr *Anon = MCSymbolRefExpr::Create(AnonSymbol, OutContext);
+ const MCExpr *LazyPtrExpr = MCSymbolRefExpr::Create(LazyPtr, OutContext);
+ const MCExpr *Sub =
+ MCBinaryExpr::CreateSub(LazyPtrExpr, Anon, OutContext);
+
// mflr r0
OutStreamer.EmitInstruction(MCInstBuilder(PPC::MFLR).addReg(PPC::R0));
- // FIXME: MCize this.
- OutStreamer.EmitRawText("\tbcl 20, 31, " + Twine(AnonSymbol->getName()));
+ // bcl 20, 31, AnonSymbol
+ OutStreamer.EmitInstruction(MCInstBuilder(PPC::BCLalways).addExpr(Anon));
OutStreamer.EmitLabel(AnonSymbol);
// mflr r11
OutStreamer.EmitInstruction(MCInstBuilder(PPC::MFLR).addReg(PPC::R11));
// addis r11, r11, ha16(LazyPtr - AnonSymbol)
- const MCExpr *Sub =
- MCBinaryExpr::CreateSub(MCSymbolRefExpr::Create(LazyPtr, OutContext),
- MCSymbolRefExpr::Create(AnonSymbol, OutContext),
- OutContext);
+ const MCExpr *SubHa16 = PPCMCExpr::CreateHa(Sub, isDarwin, OutContext);
OutStreamer.EmitInstruction(MCInstBuilder(PPC::ADDIS)
.addReg(PPC::R11)
.addReg(PPC::R11)
- .addExpr(Sub));
+ .addExpr(SubHa16));
// mtlr r0
OutStreamer.EmitInstruction(MCInstBuilder(PPC::MTLR).addReg(PPC::R0));
// ldu r12, lo16(LazyPtr - AnonSymbol)(r11)
// lwzu r12, lo16(LazyPtr - AnonSymbol)(r11)
+ const MCExpr *SubLo16 = PPCMCExpr::CreateLo(Sub, isDarwin, OutContext);
OutStreamer.EmitInstruction(MCInstBuilder(isPPC64 ? PPC::LDU : PPC::LWZU)
.addReg(PPC::R12)
- .addExpr(Sub).addExpr(Sub)
+ .addExpr(SubLo16).addExpr(SubLo16)
.addReg(PPC::R11));
// mtctr r12
OutStreamer.EmitInstruction(MCInstBuilder(PPC::MTCTR).addReg(PPC::R12));
MCSymbol *Stub = Stubs[i].first;
MCSymbol *RawSym = Stubs[i].second.getPointer();
MCSymbol *LazyPtr = GetLazyPtr(Stub, OutContext);
+ const MCExpr *LazyPtrExpr = MCSymbolRefExpr::Create(LazyPtr, OutContext);
OutStreamer.SwitchSection(StubSection);
EmitAlignment(4);
OutStreamer.EmitLabel(Stub);
OutStreamer.EmitSymbolAttribute(RawSym, MCSA_IndirectSymbol);
+
// lis r11, ha16(LazyPtr)
const MCExpr *LazyPtrHa16 =
- MCSymbolRefExpr::Create(LazyPtr, MCSymbolRefExpr::VK_PPC_DARWIN_HA16,
- OutContext);
+ PPCMCExpr::CreateHa(LazyPtrExpr, isDarwin, OutContext);
OutStreamer.EmitInstruction(MCInstBuilder(PPC::LIS)
.addReg(PPC::R11)
.addExpr(LazyPtrHa16));
- const MCExpr *LazyPtrLo16 =
- MCSymbolRefExpr::Create(LazyPtr, MCSymbolRefExpr::VK_PPC_DARWIN_LO16,
- OutContext);
// ldu r12, lo16(LazyPtr)(r11)
// lwzu r12, lo16(LazyPtr)(r11)
+ const MCExpr *LazyPtrLo16 =
+ PPCMCExpr::CreateLo(LazyPtrExpr, isDarwin, OutContext);
OutStreamer.EmitInstruction(MCInstBuilder(isPPC64 ? PPC::LDU : PPC::LWZU)
.addReg(PPC::R12)
.addExpr(LazyPtrLo16).addExpr(LazyPtrLo16)
if (MCSym.getInt())
// External to current translation unit.
- OutStreamer.EmitIntValue(0, isPPC64 ? 8 : 4/*size*/, 0/*addrspace*/);
+ OutStreamer.EmitIntValue(0, isPPC64 ? 8 : 4/*size*/);
else
// Internal to current translation unit.
//
// fill in the value for the NLP in those cases.
OutStreamer.EmitValue(MCSymbolRefExpr::Create(MCSym.getPointer(),
OutContext),
- isPPC64 ? 8 : 4/*size*/, 0/*addrspace*/);
+ isPPC64 ? 8 : 4/*size*/);
}
Stubs.clear();
OutStreamer.EmitValue(MCSymbolRefExpr::
Create(Stubs[i].second.getPointer(),
OutContext),
- isPPC64 ? 8 : 4/*size*/, 0/*addrspace*/);
+ isPPC64 ? 8 : 4/*size*/);
}
Stubs.clear();
projects / oota-llvm.git / blobdiff