llvm-6502/include/llvm/CodeGen/DwarfWriter.h
Chris Lattner 75f50725c1 remove the raw_ostream from various dwarf printing things.
The only thing left is LEB printing, which uses EmitRawText
for now.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100325 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-04 07:48:20 +00:00

96 lines
2.7 KiB
C++

//===-- llvm/CodeGen/DwarfWriter.h - Dwarf Framework ------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file contains support for writing Dwarf debug and exception info into
// asm files. For Details on the Dwarf 3 specfication see DWARF Debugging
// Information Format V.3 reference manual http://dwarf.freestandards.org ,
//
// The role of the Dwarf Writer class is to extract information from the
// MachineModuleInfo object, organize it in Dwarf form and then emit it into asm
// the current asm file using data and high level Dwarf directives.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CODEGEN_DWARFWRITER_H
#define LLVM_CODEGEN_DWARFWRITER_H
#include "llvm/Pass.h"
#include "llvm/Target/TargetMachine.h"
namespace llvm {
class AsmPrinter;
class DwarfDebug;
class DwarfException;
class MachineModuleInfo;
class MachineFunction;
class MachineInstr;
class Value;
class Module;
class MDNode;
class MCAsmInfo;
class MCSymbol;
class raw_ostream;
class Instruction;
class DICompileUnit;
class DISubprogram;
class DIVariable;
//===----------------------------------------------------------------------===//
// DwarfWriter - Emits Dwarf debug and exception handling directives.
//
class DwarfWriter : public ImmutablePass {
private:
/// DD - Provides the DwarfWriter debug implementation.
///
DwarfDebug *DD;
/// DE - Provides the DwarfWriter exception implementation.
///
DwarfException *DE;
public:
static char ID; // Pass identification, replacement for typeid
DwarfWriter();
virtual ~DwarfWriter();
//===--------------------------------------------------------------------===//
// Main entry points.
//
/// BeginModule - Emit all Dwarf sections that should come prior to the
/// content.
void BeginModule(Module *M, AsmPrinter *A);
/// EndModule - Emit all Dwarf sections that should come after the content.
///
void EndModule();
/// BeginFunction - Gather pre-function debug information. Assumes being
/// emitted immediately after the function entry point.
void BeginFunction(const MachineFunction *MF);
/// EndFunction - Gather and emit post-function debug information.
///
void EndFunction(const MachineFunction *MF);
/// ShouldEmitDwarfDebug - Returns true if Dwarf debugging declarations should
/// be emitted.
bool ShouldEmitDwarfDebug() const;
void BeginScope(const MachineInstr *MI);
void EndScope(const MachineInstr *MI);
};
} // end llvm namespace
#endif