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432cd5fd9b
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99473 91177308-0d34-0410-b5e6-96231b3b80d8
54 lines
1.7 KiB
C++
54 lines
1.7 KiB
C++
//===- MCAsmLayout.h - Assembly Layout Object -------------------*- 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_MC_MCASMLAYOUT_H
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#define LLVM_MC_MCASMLAYOUT_H
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namespace llvm {
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class MCAssembler;
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class MCFragment;
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class MCSectionData;
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class MCSymbolData;
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/// Encapsulates the layout of an assembly file at a particular point in time.
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///
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/// Assembly may requiring compute multiple layouts for a particular assembly
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/// file as part of the relaxation process. This class encapsulates the layout
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/// at a single point in time in such a way that it is always possible to
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/// efficiently compute the exact addresses of any symbol in the assembly file,
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/// even during the relaxation process.
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class MCAsmLayout {
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private:
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MCAssembler &Assembler;
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public:
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MCAsmLayout(MCAssembler &_Assembler) : Assembler(_Assembler) {}
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/// Get the assembler object this is a layout for.
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MCAssembler &getAssembler() const { return Assembler; }
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uint64_t getFragmentAddress(const MCFragment *F) const;
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uint64_t getFragmentEffectiveSize(const MCFragment *F) const;
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void setFragmentEffectiveSize(MCFragment *F, uint64_t Value);
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uint64_t getFragmentOffset(const MCFragment *F) const;
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void setFragmentOffset(MCFragment *F, uint64_t Value);
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uint64_t getSectionAddress(const MCSectionData *SD) const;
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uint64_t getSymbolAddress(const MCSymbolData *SD) const;
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void setSectionAddress(MCSectionData *SD, uint64_t Value);
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};
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} // end namespace llvm
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#endif
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