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Add a MCTargetStreamer interface.

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This patch fixes an old FIXME by creating a MCTargetStreamer interface
and moving the target specific functions for ARM, Mips and PPC to it.

The ARM streamer is still declared in a common place because it is
used from lib/CodeGen/ARMException.cpp, but the Mips and PPC are
completely hidden in the corresponding Target directories.

I will send an email to llvmdev with instructions on how to use this.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@192181 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola
2013-10-08 13:08:17 +00:00
parent 26c46ba11c
commit 320296a4cf
34 changed files with 559 additions and 394 deletions
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lib/CodeGen/AsmPrinter/ARMException.cpp
+11 -5
View File
@@ -47,13 +47,18 @@ ARMException::ARMException(AsmPrinter *A)
ARMException::~ARMException() {}
ARMTargetStreamer &ARMException::getTargetStreamer() {
MCTargetStreamer &TS = Asm->OutStreamer.getTargetStreamer();
return static_cast<ARMTargetStreamer &>(TS);
}
void ARMException::EndModule() {
}
/// BeginFunction - Gather pre-function exception information. Assumes it's
/// being emitted immediately after the function entry point.
void ARMException::BeginFunction(const MachineFunction *MF) {
Asm->OutStreamer.EmitFnStart();
getTargetStreamer().emitFnStart();
if (Asm->MF->getFunction()->needsUnwindTableEntry())
Asm->OutStreamer.EmitLabel(Asm->GetTempSymbol("eh_func_begin",
Asm->getFunctionNumber()));
@@ -62,8 +67,9 @@ void ARMException::BeginFunction(const MachineFunction *MF) {
/// EndFunction - Gather and emit post-function exception information.
///
void ARMException::EndFunction() {
ARMTargetStreamer &ATS = getTargetStreamer();
if (!Asm->MF->getFunction()->needsUnwindTableEntry())
Asm->OutStreamer.EmitCantUnwind();
ATS.emitCantUnwind();
else {
Asm->OutStreamer.EmitLabel(Asm->GetTempSymbol("eh_func_end",
Asm->getFunctionNumber()));
@@ -78,11 +84,11 @@ void ARMException::EndFunction() {
MMI->getPersonalities()[MMI->getPersonalityIndex()]) {
MCSymbol *PerSym = Asm->Mang->getSymbol(Personality);
Asm->OutStreamer.EmitSymbolAttribute(PerSym, MCSA_Global);
Asm->OutStreamer.EmitPersonality(PerSym);
ATS.emitPersonality(PerSym);
}
// Emit .handlerdata directive.
Asm->OutStreamer.EmitHandlerData();
ATS.emitHandlerData();
// Emit actual exception table
EmitExceptionTable();
@@ -90,7 +96,7 @@ void ARMException::EndFunction() {
}
}
Asm->OutStreamer.EmitFnEnd();
ATS.emitFnEnd();
}
void ARMException::EmitTypeInfos(unsigned TTypeEncoding) {