mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-26 04:32:44 +01:00
104 lines
3.1 KiB
C++
104 lines
3.1 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 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, MachineModuleInfo *MMI, raw_ostream &OS,
|
|
AsmPrinter *A, const MCAsmInfo *T);
|
|
|
|
/// 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);
|
|
|
|
/// RecordSourceLine - Register a source line with debug info. Returns a
|
|
/// unique label ID used to generate a label and provide correspondence to
|
|
/// the source line list.
|
|
unsigned RecordSourceLine(unsigned Line, unsigned Col, MDNode *Scope);
|
|
|
|
/// getRecordSourceLineCount - Count source lines.
|
|
unsigned getRecordSourceLineCount();
|
|
|
|
/// ShouldEmitDwarfDebug - Returns true if Dwarf debugging declarations should
|
|
/// be emitted.
|
|
bool ShouldEmitDwarfDebug() const;
|
|
|
|
void BeginScope(const MachineInstr *MI, unsigned Label);
|
|
void EndScope(const MachineInstr *MI);
|
|
};
|
|
|
|
} // end llvm namespace
|
|
|
|
#endif
|