//===----------------------------------------------------------------------===//
#include "X86AsmPrinter.h"
-#include "AsmPrinter/X86ATTInstPrinter.h"
-#include "AsmPrinter/X86IntelInstPrinter.h"
-#include "X86MCInstLower.h"
+#include "InstPrinter/X86ATTInstPrinter.h"
#include "X86.h"
#include "X86COFFMachineModuleInfo.h"
#include "X86MachineFunctionInfo.h"
#include "X86TargetMachine.h"
-#include "llvm/CallingConv.h"
-#include "llvm/DerivedTypes.h"
-#include "llvm/Module.h"
-#include "llvm/Type.h"
+#include "llvm/ADT/SmallString.h"
#include "llvm/Assembly/Writer.h"
+#include "llvm/CodeGen/MachineJumpTableInfo.h"
+#include "llvm/CodeGen/MachineModuleInfoImpls.h"
+#include "llvm/CodeGen/TargetLoweringObjectFileImpl.h"
+#include "llvm/DebugInfo.h"
+#include "llvm/IR/CallingConv.h"
+#include "llvm/IR/DerivedTypes.h"
+#include "llvm/IR/Module.h"
+#include "llvm/IR/Type.h"
#include "llvm/MC/MCAsmInfo.h"
#include "llvm/MC/MCContext.h"
#include "llvm/MC/MCExpr.h"
#include "llvm/MC/MCSectionMachO.h"
#include "llvm/MC/MCStreamer.h"
#include "llvm/MC/MCSymbol.h"
-#include "llvm/CodeGen/MachineJumpTableInfo.h"
-#include "llvm/CodeGen/MachineModuleInfoImpls.h"
-#include "llvm/CodeGen/TargetLoweringObjectFileImpl.h"
#include "llvm/Support/COFF.h"
+#include "llvm/Support/Debug.h"
#include "llvm/Support/ErrorHandling.h"
+#include "llvm/Support/TargetRegistry.h"
#include "llvm/Target/Mangler.h"
#include "llvm/Target/TargetOptions.h"
-#include "llvm/Target/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_TLSLD: O << "@TLSLD"; break;
+ case X86II::MO_TLSLDM: O << "@TLSLDM"; break;
case X86II::MO_GOTTPOFF: O << "@GOTTPOFF"; break;
case X86II::MO_INDNTPOFF: O << "@INDNTPOFF"; break;
case X86II::MO_TPOFF: O << "@TPOFF"; break;
+ case X86II::MO_DTPOFF: O << "@DTPOFF"; break;
case X86II::MO_NTPOFF: O << "@NTPOFF"; break;
+ case X86II::MO_GOTNTPOFF: O << "@GOTNTPOFF"; break;
case X86II::MO_GOTPCREL: O << "@GOTPCREL"; break;
case X86II::MO_GOT: O << "@GOT"; break;
case X86II::MO_GOTOFF: O << "@GOTOFF"; 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 X86II::MO_SECREL: O << "@SECREL32"; break;
}
}
-/// print_pcrel_imm - This is used to print an immediate value that ends up
+/// printPCRelImm - This is used to print an immediate value that ends up
/// being encoded as a pc-relative value. These print slightly differently, for
/// example, a $ is not emitted.
-void X86AsmPrinter::print_pcrel_imm(const MachineInstr *MI, unsigned OpNo,
+void X86AsmPrinter::printPCRelImm(const MachineInstr *MI, unsigned OpNo,
raw_ostream &O) {
const MachineOperand &MO = MI->getOperand(OpNo);
switch (MO.getType()) {
void X86AsmPrinter::printOperand(const MachineInstr *MI, unsigned OpNo,
- raw_ostream &O, const char *Modifier) {
+ raw_ostream &O, const char *Modifier,
+ unsigned AsmVariant) {
const MachineOperand &MO = MI->getOperand(OpNo);
switch (MO.getType()) {
default: llvm_unreachable("unknown operand type!");
case MachineOperand::MO_Register: {
- O << '%';
+ // FIXME: Enumerating AsmVariant, so we can remove magic number.
+ if (AsmVariant == 0) O << '%';
unsigned Reg = MO.getReg();
if (Modifier && strncmp(Modifier, "subreg", strlen("subreg")) == 0) {
- EVT VT = (strcmp(Modifier+6,"64") == 0) ?
+ MVT::SimpleValueType VT = (strcmp(Modifier+6,"64") == 0) ?
MVT::i64 : ((strcmp(Modifier+6, "32") == 0) ? MVT::i32 :
((strcmp(Modifier+6,"16") == 0) ? MVT::i16 : MVT::i8));
Reg = getX86SubSuperRegister(Reg, VT);
}
case MachineOperand::MO_Immediate:
- O << '$' << MO.getImm();
+ if (AsmVariant == 0) O << '$';
+ O << MO.getImm();
return;
case MachineOperand::MO_JumpTableIndex:
case MachineOperand::MO_ConstantPoolIndex:
- case MachineOperand::MO_GlobalAddress:
+ case MachineOperand::MO_GlobalAddress:
case MachineOperand::MO_ExternalSymbol: {
- O << '$';
+ if (AsmVariant == 0) O << '$';
printSymbolOperand(MO, O);
break;
}
}
}
-void X86AsmPrinter::printSSECC(const MachineInstr *MI, unsigned Op,
- raw_ostream &O) {
- unsigned char value = MI->getOperand(Op).getImm();
- assert(value <= 7 && "Invalid ssecc argument!");
- switch (value) {
- case 0: O << "eq"; break;
- case 1: O << "lt"; break;
- case 2: O << "le"; break;
- case 3: O << "unord"; break;
- case 4: O << "neq"; break;
- case 5: O << "nlt"; break;
- case 6: O << "nle"; break;
- case 7: O << "ord"; break;
- }
-}
-
void X86AsmPrinter::printLeaMemReference(const MachineInstr *MI, unsigned Op,
raw_ostream &O, const char *Modifier) {
const MachineOperand &BaseReg = MI->getOperand(Op);
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");
printLeaMemReference(MI, Op, O, Modifier);
}
-void X86AsmPrinter::printPICLabel(const MachineInstr *MI, unsigned Op,
- raw_ostream &O) {
- PrintPICBaseSymbol(O);
- O << '\n';
- PrintPICBaseSymbol(O);
- O << ':';
+void X86AsmPrinter::printIntelMemReference(const MachineInstr *MI, unsigned Op,
+ raw_ostream &O, const char *Modifier,
+ unsigned AsmVariant){
+ const MachineOperand &BaseReg = MI->getOperand(Op);
+ unsigned ScaleVal = MI->getOperand(Op+1).getImm();
+ const MachineOperand &IndexReg = MI->getOperand(Op+2);
+ const MachineOperand &DispSpec = MI->getOperand(Op+3);
+ const MachineOperand &SegReg = MI->getOperand(Op+4);
+
+ // If this has a segment register, print it.
+ if (SegReg.getReg()) {
+ printOperand(MI, Op+4, O, Modifier, AsmVariant);
+ O << ':';
+ }
+
+ O << '[';
+
+ bool NeedPlus = false;
+ if (BaseReg.getReg()) {
+ printOperand(MI, Op, O, Modifier, AsmVariant);
+ NeedPlus = true;
+ }
+
+ if (IndexReg.getReg()) {
+ if (NeedPlus) O << " + ";
+ if (ScaleVal != 1)
+ O << ScaleVal << '*';
+ printOperand(MI, Op+2, O, Modifier, AsmVariant);
+ NeedPlus = true;
+ }
+
+ if (!DispSpec.isImm()) {
+ if (NeedPlus) O << " + ";
+ printOperand(MI, Op+3, O, Modifier, AsmVariant);
+ } else {
+ int64_t DispVal = DispSpec.getImm();
+ if (DispVal || (!IndexReg.getReg() && !BaseReg.getReg())) {
+ if (NeedPlus) {
+ if (DispVal > 0)
+ O << " + ";
+ else {
+ O << " - ";
+ DispVal = -DispVal;
+ }
+ }
+ O << DispVal;
+ }
+ }
+ O << ']';
}
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.
+ default:
+ // See if this is a generic print operand
+ return AsmPrinter::PrintAsmOperand(MI, OpNo, AsmVariant, ExtraCode, O);
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())
return false;
case 'P': // This is the operand of a call, treat specially.
- print_pcrel_imm(MI, OpNo, O);
+ printPCRelImm(MI, OpNo, O);
return false;
case 'n': // Negate the immediate or print a '-' before the operand.
}
}
- printOperand(MI, OpNo, O);
+ printOperand(MI, OpNo, O, /*Modifier*/ 0, AsmVariant);
return false;
}
unsigned OpNo, unsigned AsmVariant,
const char *ExtraCode,
raw_ostream &O) {
+ if (AsmVariant) {
+ printIntelMemReference(MI, OpNo, O);
+ return false;
+ }
+
if (ExtraCode && ExtraCode[0]) {
if (ExtraCode[1] != 0) return true; // Unknown modifier.
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());
+
+ if (Subtarget->isTargetCOFF()) {
+ // Emit an absolute @feat.00 symbol. This appears to be some kind of
+ // compiler features bitfield read by link.exe.
+ if (!Subtarget->is64Bit()) {
+ MCSymbol *S = MMI->getContext().GetOrCreateSymbol(StringRef("@feat.00"));
+ OutStreamer.BeginCOFFSymbolDef(S);
+ OutStreamer.EmitCOFFSymbolStorageClass(COFF::IMAGE_SYM_CLASS_STATIC);
+ OutStreamer.EmitCOFFSymbolType(COFF::IMAGE_SYM_DTYPE_NULL);
+ OutStreamer.EndCOFFSymbolDef();
+ // According to the PE-COFF spec, the LSB of this value marks the object
+ // for "registered SEH". This means that all SEH handler entry points
+ // must be registered in .sxdata. Use of any unregistered handlers will
+ // cause the process to terminate immediately. LLVM does not know how to
+ // register any SEH handlers, so its object files should be safe.
+ S->setAbsolute();
+ OutStreamer.EmitAssignment(
+ S, MCConstantExpr::Create(int64_t(1), MMI->getContext()));
+ }
+ }
}
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 };
- OutStreamer.EmitBytes(StringRef(HltInsts, 5), 0/*addrspace*/);
+ // hlt; hlt; hlt; hlt; hlt hlt = 0xf4.
+ const char HltInsts[] = "\xf4\xf4\xf4\xf4\xf4";
+ OutStreamer.EmitBytes(StringRef(HltInsts, 5));
}
-
+
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());
// .long 0
if (MCSym.getInt())
// External to current translation unit.
- OutStreamer.EmitIntValue(0, 4/*size*/, 0/*addrspace*/);
+ OutStreamer.EmitIntValue(0, 4/*size*/);
else
// Internal to current translation unit.
//
// using NLPs. However, sometimes the types are local to the file. So
// we need to fill in the value for the NLP in those cases.
OutStreamer.EmitValue(MCSymbolRefExpr::Create(MCSym.getPointer(),
- OutContext),
- 4/*size*/, 0/*addrspace*/);
+ OutContext), 4/*size*/);
}
Stubs.clear();
OutStreamer.AddBlankLine();
// .long _foo
OutStreamer.EmitValue(MCSymbolRefExpr::
Create(Stubs[i].second.getPointer(),
- OutContext),
- 4/*size*/, 0/*addrspace*/);
+ OutContext), 4/*size*/);
}
Stubs.clear();
OutStreamer.AddBlankLine();
OutStreamer.EmitAssemblerFlag(MCAF_SubsectionsViaSymbols);
}
- if (Subtarget->isTargetCOFF()) {
+ if (Subtarget->isTargetWindows() && !Subtarget->isTargetCygMing() &&
+ MMI->usesVAFloatArgument()) {
+ 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>();
name += ",DATA";
else
name += ",data";
- OutStreamer.EmitBytes(name, 0);
+ OutStreamer.EmitBytes(name);
}
for (unsigned i = 0, e = DLLExportedFns.size(); i != e; ++i) {
else
name = " -export:";
name += DLLExportedFns[i]->getName();
- OutStreamer.EmitBytes(name, 0);
+ OutStreamer.EmitBytes(name);
}
}
}
MachineModuleInfoELF::SymbolListTy Stubs = MMIELF.GetGVStubList();
if (!Stubs.empty()) {
OutStreamer.SwitchSection(TLOFELF.getDataRelSection());
- const TargetData *TD = TM.getTargetData();
+ const DataLayout *TD = TM.getDataLayout();
for (unsigned i = 0, e = Stubs.size(); i != e; ++i) {
OutStreamer.EmitLabel(Stubs[i].first);
OutStreamer.EmitSymbolValue(Stubs[i].second.getPointer(),
- TD->getPointerSize(), 0);
+ TD->getPointerSize());
}
Stubs.clear();
}
}
}
-
//===----------------------------------------------------------------------===//
// 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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