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b07ce60981
previously collected info from the .file directives and outputs the encoded bytes for it. For now this is only in the Mach-O streamer but at some point will move to a more generic place. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110617 91177308-0d34-0410-b5e6-96231b3b80d8
67 lines
2.2 KiB
C++
67 lines
2.2 KiB
C++
//===- MCDwarf.h - Machine Code Dwarf support -------------------*- 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 the declaration of the MCDwarfFile to support the dwarf
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// .file directive.
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// TODO: add the support needed for the .loc directive.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_MC_MCDWARF_H
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#define LLVM_MC_MCDWARF_H
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#include "llvm/ADT/StringRef.h"
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namespace llvm {
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class MCContext;
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class raw_ostream;
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/// MCDwarfFile - Instances of this class represent the name of the dwarf
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/// .file directive and its associated dwarf file number in the MC file,
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/// and MCDwarfFile's are created and unique'd by the MCContext class where
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/// the file number for each is its index into the vector of DwarfFiles (note
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/// index 0 is not used and not a valid dwarf file number).
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class MCDwarfFile {
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// Name - the base name of the file without its directory path.
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// The StringRef references memory allocated in the MCContext.
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StringRef Name;
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// DirIndex - the index into the list of directory names for this file name.
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unsigned DirIndex;
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private: // MCContext creates and uniques these.
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friend class MCContext;
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MCDwarfFile(StringRef name, unsigned dirIndex)
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: Name(name), DirIndex(dirIndex) {}
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MCDwarfFile(const MCDwarfFile&); // DO NOT IMPLEMENT
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void operator=(const MCDwarfFile&); // DO NOT IMPLEMENT
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public:
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/// getName - Get the base name of this MCDwarfFile.
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StringRef getName() const { return Name; }
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/// getDirIndex - Get the dirIndex of this MCDwarfFile.
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unsigned getDirIndex() const { return DirIndex; }
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/// print - Print the value to the stream \arg OS.
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void print(raw_ostream &OS) const;
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/// dump - Print the value to stderr.
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void dump() const;
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};
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inline raw_ostream &operator<<(raw_ostream &OS, const MCDwarfFile &DwarfFile){
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DwarfFile.print(OS);
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return OS;
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}
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} // end namespace llvm
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#endif
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