mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-30 02:32:08 +00:00
d6bb283de9
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74599 91177308-0d34-0410-b5e6-96231b3b80d8
68 lines
2.3 KiB
C++
68 lines
2.3 KiB
C++
//===- MCSymbol.h - Machine Code Symbols ------------------------*- C++ -*-===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file contains the declaration of the MCSymbol class.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef LLVM_MC_MCSYMBOL_H
|
|
#define LLVM_MC_MCSYMBOL_H
|
|
|
|
#include <string>
|
|
|
|
namespace llvm {
|
|
class MCSection;
|
|
class MCContext;
|
|
|
|
/// MCSymbol - Instances of this class represent a symbol name in the MC file,
|
|
/// and MCSymbols are created and unique'd by the MCContext class.
|
|
///
|
|
/// If the symbol is defined/emitted into the current translation unit, the
|
|
/// Section member is set to indicate what section it lives in. Otherwise, if
|
|
/// it is a reference to an external entity, it has a null section.
|
|
///
|
|
class MCSymbol {
|
|
/// Name - The name of the symbol.
|
|
std::string Name;
|
|
/// Section - The section the symbol is defined in, or null if the symbol
|
|
/// has not been defined in the associated translation unit.
|
|
MCSection *Section;
|
|
|
|
/// IsTemporary - True if this is an assembler temporary label, which
|
|
/// typically does not survive in the .o file's symbol table. Usually
|
|
/// "Lfoo" or ".foo".
|
|
unsigned IsTemporary : 1;
|
|
|
|
/// IsExternal - True if this symbol has been implicitly defined as an
|
|
/// external, for example by using it in an expression without ever emitting
|
|
/// it as a label. The @var Section for an external symbol is always null.
|
|
unsigned IsExternal : 1;
|
|
|
|
private: // MCContext creates and uniques these.
|
|
friend class MCContext;
|
|
MCSymbol(const char *_Name, bool _IsTemporary)
|
|
: Name(_Name), Section(0), IsTemporary(_IsTemporary), IsExternal(false) {}
|
|
|
|
MCSymbol(const MCSymbol&); // DO NOT IMPLEMENT
|
|
void operator=(const MCSymbol&); // DO NOT IMPLEMENT
|
|
public:
|
|
|
|
MCSection *getSection() const { return Section; }
|
|
void setSection(MCSection *Value) { Section = Value; }
|
|
|
|
bool isExternal() const { return IsExternal; }
|
|
void setExternal(bool Value) { IsExternal = Value; }
|
|
|
|
const std::string &getName() const { return Name; }
|
|
};
|
|
|
|
} // end namespace llvm
|
|
|
|
#endif
|