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22a01da9de
Use the DwarfDebug in one function that previously took it as a parameter, and lay the foundation for use this for other operations coming soon. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@220452 91177308-0d34-0410-b5e6-96231b3b80d8
87 lines
2.4 KiB
C++
87 lines
2.4 KiB
C++
//===-- llvm/CodeGen/DwarfFile.h - Dwarf Debug 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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#ifndef LLVM_LIB_CODEGEN_ASMPRINTER_DWARFFILE_H
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#define LLVM_LIB_CODEGEN_ASMPRINTER_DWARFFILE_H
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#include "llvm/ADT/DenseMap.h"
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#include "llvm/ADT/FoldingSet.h"
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#include "llvm/ADT/SmallVector.h"
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#include "llvm/ADT/StringMap.h"
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#include "llvm/Support/Allocator.h"
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#include "AddressPool.h"
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#include "DwarfStringPool.h"
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#include <vector>
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#include <string>
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#include <memory>
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namespace llvm {
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class AsmPrinter;
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class DwarfUnit;
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class DIEAbbrev;
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class MCSymbol;
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class DIE;
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class StringRef;
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class DwarfDebug;
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class MCSection;
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class DwarfFile {
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// Target of Dwarf emission, used for sizing of abbreviations.
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AsmPrinter *Asm;
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DwarfDebug ⅅ
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// Used to uniquely define abbreviations.
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FoldingSet<DIEAbbrev> AbbreviationsSet;
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// A list of all the unique abbreviations in use.
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std::vector<DIEAbbrev *> Abbreviations;
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// A pointer to all units in the section.
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SmallVector<std::unique_ptr<DwarfUnit>, 1> CUs;
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DwarfStringPool StrPool;
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public:
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DwarfFile(AsmPrinter *AP, DwarfDebug &DD, StringRef Pref,
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BumpPtrAllocator &DA);
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~DwarfFile();
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const SmallVectorImpl<std::unique_ptr<DwarfUnit>> &getUnits() { return CUs; }
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/// \brief Compute the size and offset of a DIE given an incoming Offset.
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unsigned computeSizeAndOffset(DIE &Die, unsigned Offset);
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/// \brief Compute the size and offset of all the DIEs.
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void computeSizeAndOffsets();
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/// \brief Define a unique number for the abbreviation.
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void assignAbbrevNumber(DIEAbbrev &Abbrev);
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/// \brief Add a unit to the list of CUs.
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void addUnit(std::unique_ptr<DwarfUnit> U);
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/// \brief Emit all of the units to the section listed with the given
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/// abbreviation section.
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void emitUnits(const MCSymbol *ASectionSym);
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/// \brief Emit a set of abbreviations to the specific section.
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void emitAbbrevs(const MCSection *);
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/// \brief Emit all of the strings to the section given.
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void emitStrings(const MCSection *StrSection,
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const MCSection *OffsetSection = nullptr);
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/// \brief Returns the string pool.
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DwarfStringPool &getStringPool() { return StrPool; }
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};
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}
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#endif
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