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https://github.com/c64scene-ar/llvm-6502.git
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62190 91177308-0d34-0410-b5e6-96231b3b80d8
106 lines
3.2 KiB
C++
106 lines
3.2 KiB
C++
//===-- llvm/CodeGen/DwarfWriter.h - Dwarf Framework ------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file contains support for writing Dwarf debug and exception info into
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// asm files. For Details on the Dwarf 3 specfication see DWARF Debugging
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// Information Format V.3 reference manual http://dwarf.freestandards.org ,
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//
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// The role of the Dwarf Writer class is to extract information from the
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// MachineModuleInfo object, organize it in Dwarf form and then emit it into asm
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// the current asm file using data and high level Dwarf directives.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_CODEGEN_DWARFWRITER_H
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#define LLVM_CODEGEN_DWARFWRITER_H
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#include "llvm/Pass.h"
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namespace llvm {
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class AsmPrinter;
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class DwarfDebug;
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class DwarfException;
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class MachineModuleInfo;
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class MachineFunction;
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class Module;
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class GlobalVariable;
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class TargetAsmInfo;
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class raw_ostream;
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//===----------------------------------------------------------------------===//
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// DwarfWriter - Emits Dwarf debug and exception handling directives.
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//
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class DwarfWriter : public ImmutablePass {
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private:
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/// DD - Provides the DwarfWriter debug implementation.
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///
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DwarfDebug *DD;
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/// DE - Provides the DwarfWriter exception implementation.
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///
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DwarfException *DE;
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public:
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static char ID; // Pass identification, replacement for typeid
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DwarfWriter();
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virtual ~DwarfWriter();
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//===--------------------------------------------------------------------===//
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// Main entry points.
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//
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/// BeginModule - Emit all Dwarf sections that should come prior to the
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/// content.
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void BeginModule(Module *M, MachineModuleInfo *MMI, raw_ostream &OS,
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AsmPrinter *A, const TargetAsmInfo *T);
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/// EndModule - Emit all Dwarf sections that should come after the content.
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///
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void EndModule();
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/// BeginFunction - Gather pre-function debug information. Assumes being
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/// emitted immediately after the function entry point.
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void BeginFunction(MachineFunction *MF);
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/// EndFunction - Gather and emit post-function debug information.
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///
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void EndFunction(MachineFunction *MF);
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/// label. Returns a unique label ID used to generate a label and provide
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/// correspondence to the source line list.
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unsigned RecordSourceLine(unsigned Line, unsigned Col, unsigned Src);
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/// RecordSource - Register a source file with debug info. Returns an source
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/// ID.
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unsigned RecordSource(const std::string &Dir, const std::string &File);
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/// RecordRegionStart - Indicate the start of a region.
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unsigned RecordRegionStart(GlobalVariable *V);
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/// RecordRegionEnd - Indicate the end of a region.
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unsigned RecordRegionEnd(GlobalVariable *V);
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/// getRecordSourceLineCount - Count source lines.
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unsigned getRecordSourceLineCount();
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/// RecordVariable - Indicate the declaration of a local variable.
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///
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void RecordVariable(GlobalVariable *GV, unsigned FrameIndex);
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};
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} // end llvm namespace
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#endif
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