#include "llvm/CodeGen/DwarfWriter.h"
#include "DwarfDebug.h"
#include "DwarfException.h"
#include "llvm/CodeGen/MachineModuleInfo.h"
using namespace llvm;
static RegisterPass<DwarfWriter>
X("dwarfwriter", "DWARF Information Writer");
char DwarfWriter::ID = 0;
DwarfWriter::DwarfWriter()
: ImmutablePass(&ID), DD(0), DE(0) {}
DwarfWriter::~DwarfWriter() {
delete DE;
delete DD;
}
void DwarfWriter::BeginModule(Module *M,
MachineModuleInfo *MMI,
raw_ostream &OS, AsmPrinter *A,
const MCAsmInfo *T) {
DE = new DwarfException(OS, A, T);
DD = new DwarfDebug(OS, A, T);
DE->BeginModule(M, MMI);
DD->beginModule(M, MMI);
}
void DwarfWriter::EndModule() {
DE->EndModule();
DD->endModule();
delete DD; DD = 0;
delete DE; DE = 0;
}
void DwarfWriter::BeginFunction(const MachineFunction *MF) {
DE->BeginFunction(MF);
DD->beginFunction(MF);
}
void DwarfWriter::EndFunction(const MachineFunction *MF) {
DD->endFunction(MF);
DE->EndFunction();
if (MachineModuleInfo *MMI = DD->getMMI() ? DD->getMMI() : DE->getMMI())
MMI->EndFunction();
}
bool DwarfWriter::ShouldEmitDwarfDebug() const {
return DD && DD->ShouldEmitDwarfDebug();
}
void DwarfWriter::BeginScope(const MachineInstr *MI) {
DD->beginScope(MI);
}
void DwarfWriter::EndScope(const MachineInstr *MI) {
DD->endScope(MI);
}