//===----------------------------------------------------------------------===//
#include "X86AsmPrinter.h"
-#include "X86MCInstLower.h"
+#include "InstPrinter/X86ATTInstPrinter.h"
#include "X86.h"
#include "X86COFFMachineModuleInfo.h"
#include "X86MachineFunctionInfo.h"
#include "X86TargetMachine.h"
-#include "InstPrinter/X86ATTInstPrinter.h"
-#include "llvm/CallingConv.h"
-#include "llvm/DebugInfo.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/Target/Mangler.h"
-#include "llvm/Target/TargetOptions.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"
+#include "llvm/Target/Mangler.h"
+#include "llvm/Target/TargetOptions.h"
using namespace llvm;
//===----------------------------------------------------------------------===//
case X86II::MO_TLVP_PIC_BASE:
O << "@TLVP" << '-' << *MF->getPICBaseSymbol();
break;
- case X86II::MO_SECREL: O << "@SECREL"; 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_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();
- switch (value) {
- default: llvm_unreachable("Invalid ssecc argument!");
- 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;
- case 8: O << "eq_uq"; break;
- case 9: O << "nge"; break;
- case 0xa: O << "ngt"; break;
- case 0xb: O << "false"; break;
- case 0xc: O << "neq_oq"; break;
- case 0xd: O << "ge"; break;
- case 0xe: O << "gt"; break;
- case 0xf: O << "true"; break;
- case 0x10: O << "eq_os"; break;
- case 0x11: O << "lt_oq"; break;
- case 0x12: O << "le_oq"; break;
- case 0x13: O << "unord_s"; break;
- case 0x14: O << "neq_us"; break;
- case 0x15: O << "nlt_uq"; break;
- case 0x16: O << "nle_uq"; break;
- case 0x17: O << "ord_s"; break;
- case 0x18: O << "eq_us"; break;
- case 0x19: O << "nge_uq"; break;
- case 0x1a: O << "ngt_uq"; break;
- case 0x1b: O << "false_os"; break;
- case 0x1c: O << "neq_os"; break;
- case 0x1d: O << "ge_oq"; break;
- case 0x1e: O << "gt_oq"; break;
- case 0x1f: O << "true_us"; break;
- }
-}
-
void X86AsmPrinter::printLeaMemReference(const MachineInstr *MI, unsigned Op,
raw_ostream &O, const char *Modifier) {
const MachineOperand &BaseReg = MI->getOperand(Op);
printLeaMemReference(MI, Op, O, Modifier);
}
-void X86AsmPrinter::printPICLabel(const MachineInstr *MI, unsigned Op,
- raw_ostream &O) {
- O << *MF->getPICBaseSymbol() << '\n';
- O << *MF->getPICBaseSymbol() << ':';
+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,
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.
void X86AsmPrinter::EmitStartOfAsmFile(Module &M) {
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()));
+ }
+ }
}
MCSA_IndirectSymbol);
// hlt; hlt; hlt; hlt; hlt hlt = 0xf4.
const char HltInsts[] = "\xf4\xf4\xf4\xf4\xf4";
- OutStreamer.EmitBytes(StringRef(HltInsts, 5), 0/*addrspace*/);
+ OutStreamer.EmitBytes(StringRef(HltInsts, 5));
}
Stubs.clear();
// .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();
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();
}
}
}
-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
//===----------------------------------------------------------------------===//
projects / oota-llvm.git / blobdiff