//===----------------------------------------------------------------------===//
#include "X86AsmPrinter.h"
-#include "AsmPrinter/X86ATTInstPrinter.h"
-#include "AsmPrinter/X86IntelInstPrinter.h"
+#include "InstPrinter/X86ATTInstPrinter.h"
+#include "InstPrinter/X86IntelInstPrinter.h"
#include "X86MCInstLower.h"
#include "X86.h"
#include "X86COFFMachineModuleInfo.h"
#include "llvm/DerivedTypes.h"
#include "llvm/Module.h"
#include "llvm/Type.h"
+#include "llvm/Analysis/DebugInfo.h"
#include "llvm/Assembly/Writer.h"
#include "llvm/MC/MCAsmInfo.h"
#include "llvm/MC/MCContext.h"
#include "llvm/CodeGen/MachineJumpTableInfo.h"
#include "llvm/CodeGen/MachineModuleInfoImpls.h"
#include "llvm/CodeGen/TargetLoweringObjectFileImpl.h"
-#include "llvm/Support/COFF.h"
-#include "llvm/Support/ErrorHandling.h"
#include "llvm/Target/Mangler.h"
#include "llvm/Target/TargetOptions.h"
-#include "llvm/Target/TargetRegistry.h"
+#include "llvm/Support/COFF.h"
+#include "llvm/Support/Debug.h"
+#include "llvm/Support/ErrorHandling.h"
+#include "llvm/Support/TargetRegistry.h"
#include "llvm/ADT/SmallString.h"
using namespace llvm;
// Primitive Helper Functions.
//===----------------------------------------------------------------------===//
-void X86AsmPrinter::PrintPICBaseSymbol(raw_ostream &O) const {
- const TargetLowering *TLI = TM.getTargetLowering();
- O << *static_cast<const X86TargetLowering*>(TLI)->getPICBaseSymbol(MF,
- OutContext);
-}
-
/// runOnMachineFunction - Emit the function body.
///
bool X86AsmPrinter::runOnMachineFunction(MachineFunction &MF) {
SetupMachineFunction(MF);
- if (Subtarget->isTargetCOFF()) {
+ if (Subtarget->isTargetCOFF() && !Subtarget->isTargetEnvMacho()) {
bool Intrn = MF.getFunction()->hasInternalLinkage();
OutStreamer.BeginCOFFSymbolDef(CurrentFnSym);
- OutStreamer.EmitCOFFSymbolStorageClass(Intrn ? COFF::IMAGE_SYM_CLASS_STATIC
+ OutStreamer.EmitCOFFSymbolStorageClass(Intrn ? COFF::IMAGE_SYM_CLASS_STATIC
: COFF::IMAGE_SYM_CLASS_EXTERNAL);
OutStreamer.EmitCOFFSymbolType(COFF::IMAGE_SYM_DTYPE_FUNCTION
<< COFF::SCT_COMPLEX_TYPE_SHIFT);
break;
case MachineOperand::MO_GlobalAddress: {
const GlobalValue *GV = MO.getGlobal();
-
+
MCSymbol *GVSym;
if (MO.getTargetFlags() == X86II::MO_DARWIN_STUB)
GVSym = GetSymbolWithGlobalValueBase(GV, "$stub");
// Handle dllimport linkage.
if (MO.getTargetFlags() == X86II::MO_DLLIMPORT)
GVSym = OutContext.GetOrCreateSymbol(Twine("__imp_") + GVSym->getName());
-
+
if (MO.getTargetFlags() == X86II::MO_DARWIN_NONLAZY ||
MO.getTargetFlags() == X86II::MO_DARWIN_NONLAZY_PIC_BASE) {
MCSymbol *Sym = GetSymbolWithGlobalValueBase(GV, "$non_lazy_ptr");
- MachineModuleInfoImpl::StubValueTy &StubSym =
+ MachineModuleInfoImpl::StubValueTy &StubSym =
MMI->getObjFileInfo<MachineModuleInfoMachO>().getGVStubEntry(Sym);
if (StubSym.getPointer() == 0)
StubSym = MachineModuleInfoImpl::
StubSym = MachineModuleInfoImpl::
StubValueTy(Mang->getSymbol(GV), !GV->hasInternalLinkage());
}
-
+
// If the name begins with a dollar-sign, enclose it in parens. We do this
// to avoid having it look like an integer immediate to the assembler.
if (GVSym->getName()[0] != '$')
SmallString<128> TempNameStr;
TempNameStr += StringRef(MO.getSymbolName());
TempNameStr += StringRef("$stub");
-
+
MCSymbol *Sym = GetExternalSymbolSymbol(TempNameStr.str());
MachineModuleInfoImpl::StubValueTy &StubSym =
MMI->getObjFileInfo<MachineModuleInfoMachO>().getFnStubEntry(Sym);
} else {
SymToPrint = GetExternalSymbolSymbol(MO.getSymbolName());
}
-
+
// If the name begins with a dollar-sign, enclose it in parens. We do this
// to avoid having it look like an integer immediate to the assembler.
- if (SymToPrint->getName()[0] != '$')
+ if (SymToPrint->getName()[0] != '$')
O << *SymToPrint;
else
O << '(' << *SymToPrint << '(';
break;
}
}
-
+
switch (MO.getTargetFlags()) {
default:
llvm_unreachable("Unknown target flag on GV operand");
// These affect the name of the symbol, not any suffix.
break;
case X86II::MO_GOT_ABSOLUTE_ADDRESS:
- O << " + [.-";
- PrintPICBaseSymbol(O);
- O << ']';
- break;
+ O << " + [.-" << *MF->getPICBaseSymbol() << ']';
+ break;
case X86II::MO_PIC_BASE_OFFSET:
case X86II::MO_DARWIN_NONLAZY_PIC_BASE:
case X86II::MO_DARWIN_HIDDEN_NONLAZY_PIC_BASE:
- O << '-';
- PrintPICBaseSymbol(O);
+ O << '-' << *MF->getPICBaseSymbol();
break;
case X86II::MO_TLSGD: O << "@TLSGD"; break;
case X86II::MO_GOTTPOFF: O << "@GOTTPOFF"; break;
case X86II::MO_PLT: O << "@PLT"; break;
case X86II::MO_TLVP: O << "@TLVP"; break;
case X86II::MO_TLVP_PIC_BASE:
- O << "@TLVP" << '-';
- PrintPICBaseSymbol(O);
+ O << "@TLVP" << '-' << *MF->getPICBaseSymbol();
break;
}
}
case MachineOperand::MO_JumpTableIndex:
case MachineOperand::MO_ConstantPoolIndex:
- case MachineOperand::MO_GlobalAddress:
+ case MachineOperand::MO_GlobalAddress:
case MachineOperand::MO_ExternalSymbol: {
O << '$';
printSymbolOperand(MO, O);
if (HasBaseReg && Modifier && !strcmp(Modifier, "no-rip") &&
BaseReg.getReg() == X86::RIP)
HasBaseReg = false;
-
+
// HasParenPart - True if we will print out the () part of the mem ref.
bool HasParenPart = IndexReg.getReg() || HasBaseReg;
-
+
if (DispSpec.isImm()) {
int DispVal = DispSpec.getImm();
if (DispVal || !HasParenPart)
printSymbolOperand(MI->getOperand(Op+3), O);
}
+ if (Modifier && strcmp(Modifier, "H") == 0)
+ O << "+8";
+
if (HasParenPart) {
assert(IndexReg.getReg() != X86::ESP &&
"X86 doesn't allow scaling by ESP");
void X86AsmPrinter::printPICLabel(const MachineInstr *MI, unsigned Op,
raw_ostream &O) {
- PrintPICBaseSymbol(O);
- O << '\n';
- PrintPICBaseSymbol(O);
- O << ':';
+ O << *MF->getPICBaseSymbol() << '\n';
+ O << *MF->getPICBaseSymbol() << ':';
}
bool X86AsmPrinter::printAsmMRegister(const MachineOperand &MO, char Mode,
if (ExtraCode[1] != 0) return true; // Unknown modifier.
const MachineOperand &MO = MI->getOperand(OpNo);
-
+
switch (ExtraCode[0]) {
default: return true; // Unknown modifier.
case 'a': // This is an address. Currently only 'i' and 'r' are expected.
if (MO.isImm()) {
O << MO.getImm();
return false;
- }
+ }
if (MO.isGlobal() || MO.isCPI() || MO.isJTI() || MO.isSymbol()) {
printSymbolOperand(MO, O);
if (Subtarget->isPICStyleRIPRel())
case 'q': // Print SImode register
// These only apply to registers, ignore on mem.
break;
+ case 'H':
+ printMemReference(MI, OpNo, O, "H");
+ return false;
case 'P': // Don't print @PLT, but do print as memory.
printMemReference(MI, OpNo, O, "no-rip");
return false;
}
void X86AsmPrinter::EmitStartOfAsmFile(Module &M) {
- if (Subtarget->isTargetDarwin())
+ if (Subtarget->isTargetEnvMacho())
OutStreamer.SwitchSection(getObjFileLowering().getTextSection());
}
void X86AsmPrinter::EmitEndOfAsmFile(Module &M) {
- if (Subtarget->isTargetDarwin()) {
+ if (Subtarget->isTargetEnvMacho()) {
// All darwin targets use mach-o.
MachineModuleInfoMachO &MMIMacho =
MMI->getObjFileInfo<MachineModuleInfoMachO>();
-
+
// Output stubs for dynamically-linked functions.
MachineModuleInfoMachO::SymbolListTy Stubs;
Stubs = MMIMacho.GetFnStubList();
if (!Stubs.empty()) {
- const MCSection *TheSection =
+ const MCSection *TheSection =
OutContext.getMachOSection("__IMPORT", "__jump_table",
MCSectionMachO::S_SYMBOL_STUBS |
MCSectionMachO::S_ATTR_SELF_MODIFYING_CODE |
// .indirect_symbol _foo
OutStreamer.EmitSymbolAttribute(Stubs[i].second.getPointer(),
MCSA_IndirectSymbol);
- // hlt; hlt; hlt; hlt; hlt hlt = 0xf4 = -12.
- const char HltInsts[] = { -12, -12, -12, -12, -12 };
+ // hlt; hlt; hlt; hlt; hlt hlt = 0xf4.
+ const char HltInsts[] = "\xf4\xf4\xf4\xf4\xf4";
OutStreamer.EmitBytes(StringRef(HltInsts, 5), 0/*addrspace*/);
}
-
+
Stubs.clear();
OutStreamer.AddBlankLine();
}
// Output stubs for external and common global variables.
Stubs = MMIMacho.GetGVStubList();
if (!Stubs.empty()) {
- const MCSection *TheSection =
+ const MCSection *TheSection =
OutContext.getMachOSection("__IMPORT", "__pointers",
MCSectionMachO::S_NON_LAZY_SYMBOL_POINTERS,
SectionKind::getMetadata());
OutStreamer.EmitAssemblerFlag(MCAF_SubsectionsViaSymbols);
}
- if (Subtarget->isTargetCOFF()) {
+ if (Subtarget->isTargetWindows() && !Subtarget->isTargetCygMing() &&
+ MMI->callsExternalVAFunctionWithFloatingPointArguments()) {
+ StringRef SymbolName = Subtarget->is64Bit() ? "_fltused" : "__fltused";
+ MCSymbol *S = MMI->getContext().GetOrCreateSymbol(SymbolName);
+ OutStreamer.EmitSymbolAttribute(S, MCSA_Global);
+ }
+
+ if (Subtarget->isTargetCOFF() && !Subtarget->isTargetEnvMacho()) {
X86COFFMachineModuleInfo &COFFMMI =
MMI->getObjFileInfo<X86COFFMachineModuleInfo>();
}
}
+MachineLocation
+X86AsmPrinter::getDebugValueLocation(const MachineInstr *MI) const {
+ MachineLocation Location;
+ assert (MI->getNumOperands() == 7 && "Invalid no. of machine operands!");
+ // Frame address. Currently handles register +- offset only.
+
+ if (MI->getOperand(0).isReg() && MI->getOperand(3).isImm())
+ Location.set(MI->getOperand(0).getReg(), MI->getOperand(3).getImm());
+ else {
+ DEBUG(dbgs() << "DBG_VALUE instruction ignored! " << *MI << "\n");
+ }
+ return Location;
+}
+
+void X86AsmPrinter::PrintDebugValueComment(const MachineInstr *MI,
+ raw_ostream &O) {
+ // Only the target-dependent form of DBG_VALUE should get here.
+ // Referencing the offset and metadata as NOps-2 and NOps-1 is
+ // probably portable to other targets; frame pointer location is not.
+ unsigned NOps = MI->getNumOperands();
+ assert(NOps==7);
+ 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()));
+ if (V.getContext().isSubprogram())
+ O << DISubprogram(V.getContext()).getDisplayName() << ":";
+ O << V.getName();
+ O << " <- ";
+ // Frame address. Currently handles register +- offset only.
+ O << '[';
+ if (MI->getOperand(0).isReg() && MI->getOperand(0).getReg())
+ printOperand(MI, 0, O);
+ else
+ O << "undef";
+ O << '+'; printOperand(MI, 3, O);
+ O << ']';
+ O << "+";
+ printOperand(MI, NOps-2, O);
+}
+
+
//===----------------------------------------------------------------------===//
// Target Registry Stuff
//===----------------------------------------------------------------------===//
-static MCInstPrinter *createX86MCInstPrinter(const Target &T,
- unsigned SyntaxVariant,
- const MCAsmInfo &MAI) {
- if (SyntaxVariant == 0)
- return new X86ATTInstPrinter(MAI);
- if (SyntaxVariant == 1)
- return new X86IntelInstPrinter(MAI);
- return 0;
-}
-
// Force static initialization.
-extern "C" void LLVMInitializeX86AsmPrinter() {
+extern "C" void LLVMInitializeX86AsmPrinter() {
RegisterAsmPrinter<X86AsmPrinter> X(TheX86_32Target);
RegisterAsmPrinter<X86AsmPrinter> Y(TheX86_64Target);
-
- TargetRegistry::RegisterMCInstPrinter(TheX86_32Target,createX86MCInstPrinter);
- TargetRegistry::RegisterMCInstPrinter(TheX86_64Target,createX86MCInstPrinter);
}
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