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83 lines
2.4 KiB
C++
83 lines
2.4 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 <iosfwd>
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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 TargetAsmInfo;
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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 {
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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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DwarfWriter(std::ostream &OS, AsmPrinter *A, const TargetAsmInfo *T);
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virtual ~DwarfWriter();
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/// SetModuleInfo - Set machine module info when it's known that pass manager
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/// has created it. Set by the target AsmPrinter.
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void SetModuleInfo(MachineModuleInfo *MMI);
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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);
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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();
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};
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} // end llvm namespace
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#endif
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