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Add a XCoreTargetStreamer and port over the simple uses of EmitRawText.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200167 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola 2014-01-26 23:57:05 +00:00
parent 283b40e4d4
commit 7a04f6302e
2 changed files with 64 additions and 9 deletions
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52
lib/Target/XCore/MCTargetDesc/XCoreMCTargetDesc.cpp
View File

@ -14,11 +14,13 @@
#include "XCoreMCTargetDesc.h"
#include "InstPrinter/XCoreInstPrinter.h"
#include "XCoreMCAsmInfo.h"
#include "XCoreTargetStreamer.h"
#include "llvm/MC/MCCodeGenInfo.h"
#include "llvm/MC/MCInstrInfo.h"
#include "llvm/MC/MCRegisterInfo.h"
#include "llvm/MC/MCSubtargetInfo.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/FormattedStream.h"
#include "llvm/Support/TargetRegistry.h"
#define GET_INSTRINFO_MC_DESC
@ -88,6 +90,54 @@ static MCInstPrinter *createXCoreMCInstPrinter(const Target &T,
return new XCoreInstPrinter(MAI, MII, MRI);
}
XCoreTargetStreamer::XCoreTargetStreamer(MCStreamer &S) : MCTargetStreamer(S) {}
XCoreTargetStreamer::~XCoreTargetStreamer() {}
namespace {
class XCoreTargetAsmStreamer : public XCoreTargetStreamer {
formatted_raw_ostream &OS;
public:
XCoreTargetAsmStreamer(MCStreamer &S, formatted_raw_ostream &OS);
virtual void emitCCTopData(StringRef Name);
virtual void emitCCTopFunction(StringRef Name);
virtual void emitCCBottonData(StringRef Name);
virtual void emitCCBottonFunction(StringRef Name);
};
XCoreTargetAsmStreamer::XCoreTargetAsmStreamer(MCStreamer &S,
formatted_raw_ostream &OS)
: XCoreTargetStreamer(S), OS(OS) {}
void XCoreTargetAsmStreamer::emitCCTopData(StringRef Name) {
OS << "\t.cc_top " << Name << ".data," << Name << '\n';
}
void XCoreTargetAsmStreamer::emitCCTopFunction(StringRef Name) {
OS << "\t.cc_top " << Name << ".function," << Name << '\n';
}
void XCoreTargetAsmStreamer::emitCCBottonData(StringRef Name) {
OS << "\t.cc_bottom " << Name << ".data\n";
}
void XCoreTargetAsmStreamer::emitCCBottonFunction(StringRef Name) {
OS << "\t.cc_bottom " << Name << ".function\n";
}
}
static MCStreamer *
createXCoreMCAsmStreamer(MCContext &Ctx, formatted_raw_ostream &OS,
bool isVerboseAsm, bool useLoc, bool useCFI,
bool useDwarfDirectory, MCInstPrinter *InstPrint,
MCCodeEmitter *CE, MCAsmBackend *TAB, bool ShowInst) {
MCStreamer *S =
llvm::createAsmStreamer(Ctx, OS, isVerboseAsm, useLoc, useCFI,
useDwarfDirectory, InstPrint, CE, TAB, ShowInst);
new XCoreTargetAsmStreamer(*S, OS);
return S;
}
// Force static initialization.
extern "C" void LLVMInitializeXCoreTargetMC() {
// Register the MC asm info.
@ -110,4 +160,6 @@ extern "C" void LLVMInitializeXCoreTargetMC() {
// Register the MCInstPrinter
TargetRegistry::RegisterMCInstPrinter(TheXCoreTarget,
createXCoreMCInstPrinter);
TargetRegistry::RegisterAsmStreamer(TheXCoreTarget, createXCoreMCAsmStreamer);
}

21
lib/Target/XCore/XCoreAsmPrinter.cpp
View File

@ -14,6 +14,7 @@
#define DEBUG_TYPE "asm-printer"
#include "XCore.h"
#include "XCoreTargetStreamer.h"
#include "InstPrinter/XCoreInstPrinter.h"
#include "XCoreInstrInfo.h"
#include "XCoreMCInstLower.h"
@ -50,6 +51,8 @@ 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>()),
@ -79,6 +82,10 @@ namespace {
};
} // 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()) ||
@ -114,8 +121,7 @@ void XCoreAsmPrinter::EmitGlobalVariable(const GlobalVariable *GV) {
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:
@ -147,8 +153,7 @@ void XCoreAsmPrinter::EmitGlobalVariable(const GlobalVariable *GV) {
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);
@ -159,7 +164,7 @@ void XCoreAsmPrinter::EmitGlobalVariable(const GlobalVariable *GV) {
OutStreamer.EmitZeros(4 - Size);
// Mark the end of the global
OutStreamer.EmitRawText("\t.cc_bottom " + Twine(GVSym->getName()) + ".data");
getTargetStreamer().emitCCBottonData(GVSym->getName());
}
void XCoreAsmPrinter::EmitFunctionBodyStart() {
@ -170,14 +175,12 @@ 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().emitCCBottonFunction(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);
}