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https://github.com/c64scene-ar/llvm-6502.git
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75f50725c1
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
96 lines
2.7 KiB
C++
96 lines
2.7 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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#include "llvm/Target/TargetMachine.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 MachineInstr;
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class Value;
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class Module;
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class MDNode;
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class MCAsmInfo;
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class MCSymbol;
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class raw_ostream;
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class Instruction;
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class DICompileUnit;
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class DISubprogram;
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class DIVariable;
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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, AsmPrinter *A);
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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(const MachineFunction *MF);
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/// EndFunction - Gather and emit post-function debug information.
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///
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void EndFunction(const MachineFunction *MF);
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/// ShouldEmitDwarfDebug - Returns true if Dwarf debugging declarations should
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/// be emitted.
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bool ShouldEmitDwarfDebug() const;
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void BeginScope(const MachineInstr *MI);
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void EndScope(const MachineInstr *MI);
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};
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} // end llvm namespace
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#endif
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