//
//===----------------------------------------------------------------------===//
-#define DEBUG_TYPE "asm-printer"
#include "XCore.h"
#include "InstPrinter/XCoreInstPrinter.h"
#include "XCoreInstrInfo.h"
#include "XCoreMCInstLower.h"
#include "XCoreSubtarget.h"
#include "XCoreTargetMachine.h"
+#include "XCoreTargetStreamer.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/CodeGen/AsmPrinter.h"
#include "llvm/CodeGen/MachineInstr.h"
#include "llvm/CodeGen/MachineJumpTableInfo.h"
#include "llvm/CodeGen/MachineModuleInfo.h"
-#include "llvm/DebugInfo.h"
#include "llvm/IR/Constants.h"
#include "llvm/IR/DataLayout.h"
+#include "llvm/IR/DebugInfo.h"
#include "llvm/IR/DerivedTypes.h"
+#include "llvm/IR/Mangler.h"
#include "llvm/IR/Module.h"
#include "llvm/MC/MCAsmInfo.h"
+#include "llvm/MC/MCExpr.h"
#include "llvm/MC/MCInst.h"
#include "llvm/MC/MCStreamer.h"
#include "llvm/MC/MCSymbol.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/TargetRegistry.h"
#include "llvm/Support/raw_ostream.h"
-#include "llvm/Target/Mangler.h"
#include "llvm/Target/TargetLoweringObjectFile.h"
#include <algorithm>
#include <cctype>
using namespace llvm;
+#define DEBUG_TYPE "asm-printer"
+
namespace {
class XCoreAsmPrinter : public AsmPrinter {
const XCoreSubtarget &Subtarget;
XCoreMCInstLower MCInstLowering;
+ XCoreTargetStreamer &getTargetStreamer();
+
public:
explicit XCoreAsmPrinter(TargetMachine &TM, MCStreamer &Streamer)
: AsmPrinter(TM, Streamer), Subtarget(TM.getSubtarget<XCoreSubtarget>()),
MCInstLowering(*this) {}
- virtual const char *getPassName() const {
+ const char *getPassName() const override {
return "XCore Assembly Printer";
}
void printOperand(const MachineInstr *MI, int opNum, raw_ostream &O);
bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
unsigned AsmVariant, const char *ExtraCode,
- raw_ostream &O);
+ raw_ostream &O) override;
+ bool PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNum,
+ unsigned AsmVariant, const char *ExtraCode,
+ raw_ostream &O) override;
void emitArrayBound(MCSymbol *Sym, const GlobalVariable *GV);
- virtual void EmitGlobalVariable(const GlobalVariable *GV);
+ void EmitGlobalVariable(const GlobalVariable *GV) override;
- void EmitFunctionEntryLabel();
- void EmitInstruction(const MachineInstr *MI);
- void EmitFunctionBodyStart();
- void EmitFunctionBodyEnd();
+ void EmitFunctionEntryLabel() override;
+ void EmitInstruction(const MachineInstr *MI) override;
+ void EmitFunctionBodyStart() override;
+ void EmitFunctionBodyEnd() override;
};
} // end of anonymous namespace
+XCoreTargetStreamer &XCoreAsmPrinter::getTargetStreamer() {
+ return static_cast<XCoreTargetStreamer&>(*OutStreamer.getTargetStreamer());
+}
+
void XCoreAsmPrinter::emitArrayBound(MCSymbol *Sym, const GlobalVariable *GV) {
- assert(((GV->hasExternalLinkage() ||
- GV->hasWeakLinkage()) ||
- GV->hasLinkOnceLinkage()) && "Unexpected linkage");
+ assert( ( GV->hasExternalLinkage() || GV->hasWeakLinkage() ||
+ GV->hasLinkOnceLinkage() || GV->hasCommonLinkage() ) &&
+ "Unexpected linkage");
if (ArrayType *ATy = dyn_cast<ArrayType>(
cast<PointerType>(GV->getType())->getElementType())) {
MCSymbol *SymGlob = OutContext.GetOrCreateSymbol(
Twine(Sym->getName() + StringRef(".globound")));
OutStreamer.EmitSymbolAttribute(SymGlob, MCSA_Global);
-
- OutStreamer.EmitRawText("\t.set\t" + Twine(Sym->getName()) +
- ".globound," + Twine(ATy->getNumElements()));
-
- if (GV->hasWeakLinkage() || GV->hasLinkOnceLinkage()) {
+ OutStreamer.EmitAssignment(SymGlob,
+ MCConstantExpr::Create(ATy->getNumElements(),
+ OutContext));
+ if (GV->hasWeakLinkage() || GV->hasLinkOnceLinkage() ||
+ GV->hasCommonLinkage()) {
// TODO Use COMDAT groups for LinkOnceLinkage
- OutStreamer.EmitRawText(MAI->getWeakDefDirective() +Twine(Sym->getName())+
- ".globound");
+ OutStreamer.EmitSymbolAttribute(SymGlob, MCSA_Weak);
}
}
}
EmitSpecialLLVMGlobal(GV))
return;
- const DataLayout *TD = TM.getDataLayout();
- OutStreamer.SwitchSection(getObjFileLowering().SectionForGlobal(GV, Mang,TM));
+ const DataLayout *TD = TM.getSubtargetImpl()->getDataLayout();
+ OutStreamer.SwitchSection(
+ getObjFileLowering().SectionForGlobal(GV, *Mang, TM));
-
- MCSymbol *GVSym = Mang->getSymbol(GV);
+ MCSymbol *GVSym = getSymbol(GV);
const Constant *C = GV->getInitializer();
unsigned Align = (unsigned)TD->getPreferredTypeAlignmentShift(C->getType());
// Mark the start of the global
- OutStreamer.EmitRawText("\t.cc_top " + Twine(GVSym->getName()) + ".data," +
- GVSym->getName());
+ getTargetStreamer().emitCCTopData(GVSym->getName());
switch (GV->getLinkage()) {
case GlobalValue::AppendingLinkage:
case GlobalValue::WeakAnyLinkage:
case GlobalValue::WeakODRLinkage:
case GlobalValue::ExternalLinkage:
+ case GlobalValue::CommonLinkage:
emitArrayBound(GVSym, GV);
OutStreamer.EmitSymbolAttribute(GVSym, MCSA_Global);
// TODO Use COMDAT groups for LinkOnceLinkage
- if (GV->hasWeakLinkage() || GV->hasLinkOnceLinkage())
+ if (GV->hasWeakLinkage() || GV->hasLinkOnceLinkage() ||
+ GV->hasCommonLinkage())
OutStreamer.EmitSymbolAttribute(GVSym, MCSA_Weak);
// FALL THROUGH
case GlobalValue::InternalLinkage:
case GlobalValue::PrivateLinkage:
break;
- case GlobalValue::DLLImportLinkage:
- llvm_unreachable("DLLImport linkage is not supported by this target!");
- case GlobalValue::DLLExportLinkage:
- llvm_unreachable("DLLExport linkage is not supported by this target!");
default:
llvm_unreachable("Unknown linkage type!");
}
unsigned Size = TD->getTypeAllocSize(C->getType());
if (MAI->hasDotTypeDotSizeDirective()) {
OutStreamer.EmitSymbolAttribute(GVSym, MCSA_ELF_TypeObject);
- OutStreamer.EmitRawText("\t.size " + Twine(GVSym->getName()) + "," +
- Twine(Size));
+ OutStreamer.EmitELFSize(GVSym, MCConstantExpr::Create(Size, OutContext));
}
OutStreamer.EmitLabel(GVSym);
OutStreamer.EmitZeros(4 - Size);
// Mark the end of the global
- OutStreamer.EmitRawText("\t.cc_bottom " + Twine(GVSym->getName()) + ".data");
+ getTargetStreamer().emitCCBottomData(GVSym->getName());
}
void XCoreAsmPrinter::EmitFunctionBodyStart() {
/// the last basic block in the function.
void XCoreAsmPrinter::EmitFunctionBodyEnd() {
// Emit function end directives
- OutStreamer.EmitRawText("\t.cc_bottom " + Twine(CurrentFnSym->getName()) +
- ".function");
+ getTargetStreamer().emitCCBottomFunction(CurrentFnSym->getName());
}
void XCoreAsmPrinter::EmitFunctionEntryLabel() {
// Mark the start of the function
- OutStreamer.EmitRawText("\t.cc_top " + Twine(CurrentFnSym->getName()) +
- ".function," + CurrentFnSym->getName());
+ getTargetStreamer().emitCCTopFunction(CurrentFnSym->getName());
OutStreamer.EmitLabel(CurrentFnSym);
}
void XCoreAsmPrinter::printOperand(const MachineInstr *MI, int opNum,
raw_ostream &O) {
+ const DataLayout *DL = TM.getSubtargetImpl()->getDataLayout();
const MachineOperand &MO = MI->getOperand(opNum);
switch (MO.getType()) {
case MachineOperand::MO_Register:
O << *MO.getMBB()->getSymbol();
break;
case MachineOperand::MO_GlobalAddress:
- O << *Mang->getSymbol(MO.getGlobal());
- break;
- case MachineOperand::MO_ExternalSymbol:
- O << MO.getSymbolName();
+ O << *getSymbol(MO.getGlobal());
break;
case MachineOperand::MO_ConstantPoolIndex:
- O << MAI->getPrivateGlobalPrefix() << "CPI" << getFunctionNumber()
- << '_' << MO.getIndex();
- break;
- case MachineOperand::MO_JumpTableIndex:
- O << MAI->getPrivateGlobalPrefix() << "JTI" << getFunctionNumber()
+ O << DL->getPrivateGlobalPrefix() << "CPI" << getFunctionNumber()
<< '_' << MO.getIndex();
break;
case MachineOperand::MO_BlockAddress:
return AsmPrinter::PrintAsmOperand(MI, OpNo, AsmVariant, ExtraCode, O);
}
+bool XCoreAsmPrinter::
+PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNum,
+ unsigned AsmVariant, const char *ExtraCode,
+ raw_ostream &O) {
+ if (ExtraCode && ExtraCode[0]) {
+ return true; // Unknown modifier.
+ }
+ printOperand(MI, OpNum, O);
+ O << '[';
+ printOperand(MI, OpNum + 1, O);
+ O << ']';
+ return false;
+}
+
void XCoreAsmPrinter::EmitInstruction(const MachineInstr *MI) {
SmallString<128> Str;
raw_svector_ostream O(Str);
MCInst TmpInst;
MCInstLowering.Lower(MI, TmpInst);
- OutStreamer.EmitInstruction(TmpInst);
+ EmitToStreamer(OutStreamer, TmpInst);
}
// Force static initialization.
projects / oota-llvm.git / blobdiff