//
// The LLVM Compiler Infrastructure
//
-// This file was developed by James M. Laskey and is distributed under the
-// University of Illinois Open Source License. See LICENSE.TXT for details.
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
#ifndef LLVM_CODEGEN_DWARFWRITER_H
#define LLVM_CODEGEN_DWARFWRITER_H
-#include <iosfwd>
+#include "llvm/Pass.h"
+#include "llvm/Target/TargetMachine.h"
namespace llvm {
class DwarfException;
class MachineModuleInfo;
class MachineFunction;
+class MachineInstr;
+class Value;
class Module;
+class GlobalVariable;
class TargetAsmInfo;
+class raw_ostream;
+class Instruction;
+class DICompileUnit;
+class DISubprogram;
+class DIVariable;
//===----------------------------------------------------------------------===//
// DwarfWriter - Emits Dwarf debug and exception handling directives.
//
-class DwarfWriter {
+class DwarfWriter : public ImmutablePass {
private:
/// DD - Provides the DwarfWriter debug implementation.
///
/// DE - Provides the DwarfWriter exception implementation.
///
DwarfException *DE;
-
+
public:
-
- DwarfWriter(std::ostream &OS, AsmPrinter *A, const TargetAsmInfo *T);
+ static char ID; // Pass identification, replacement for typeid
+
+ DwarfWriter();
virtual ~DwarfWriter();
-
- /// SetModuleInfo - Set machine module info when it's known that pass manager
- /// has created it. Set by the target AsmPrinter.
- void SetModuleInfo(MachineModuleInfo *MMI);
//===--------------------------------------------------------------------===//
// Main entry points.
/// BeginModule - Emit all Dwarf sections that should come prior to the
/// content.
- void BeginModule(Module *M);
+ void BeginModule(Module *M, MachineModuleInfo *MMI, raw_ostream &OS,
+ AsmPrinter *A, const TargetAsmInfo *T);
/// EndModule - Emit all Dwarf sections that should come after the content.
///
/// EndFunction - Gather and emit post-function debug information.
///
- void EndFunction();
+ void EndFunction(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, DICompileUnit CU);
+
+ /// RecordRegionStart - Indicate the start of a region.
+ unsigned RecordRegionStart(GlobalVariable *V);
+
+ /// RecordRegionEnd - Indicate the end of a region.
+ unsigned RecordRegionEnd(GlobalVariable *V);
+
+ /// getRecordSourceLineCount - Count source lines.
+ unsigned getRecordSourceLineCount();
+
+ /// RecordVariable - Indicate the declaration of a local variable.
+ ///
+ void RecordVariable(GlobalVariable *GV, unsigned FrameIndex,
+ const MachineInstr *MI);
+
+ /// ShouldEmitDwarfDebug - Returns true if Dwarf debugging declarations should
+ /// be emitted.
+ bool ShouldEmitDwarfDebug() const;
+
+ //// RecordInlinedFnStart - Indicate the start of a inlined function.
+ unsigned RecordInlinedFnStart(DISubprogram SP, DICompileUnit CU,
+ unsigned Line, unsigned Col);
+
+ /// RecordInlinedFnEnd - Indicate the end of inlined subroutine.
+ unsigned RecordInlinedFnEnd(DISubprogram SP);
+
+ /// RecordVariableScope - Record scope for the variable declared by
+ /// DeclareMI. DeclareMI must describe TargetInstrInfo::DECLARE.
+ void RecordVariableScope(DIVariable &DV, const MachineInstr *DeclareMI);
};