mirror of
https://github.com/c64scene-ar/llvm-6502.git
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acd03ae679
to Mangler. Now MCSymbol just decides whether to slap quotes around a symbol when printing it. This also fixes some weirdness where two MCSymbols could be created for the same symbol, if one needed to be mangled and got mangled to the other one. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93690 91177308-0d34-0410-b5e6-96231b3b80d8
81 lines
2.8 KiB
C++
81 lines
2.8 KiB
C++
//===-- llvm/Support/Mangler.h - Self-contained name mangler ----*- 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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// Unified name mangler for various backends.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_SUPPORT_MANGLER_H
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#define LLVM_SUPPORT_MANGLER_H
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#include "llvm/ADT/DenseMap.h"
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#include <string>
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namespace llvm {
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class StringRef;
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class Twine;
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class Value;
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class GlobalValue;
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template <typename T> class SmallVectorImpl;
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class MCAsmInfo;
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class Mangler {
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public:
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enum ManglerPrefixTy {
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Default, ///< Emit default string before each symbol.
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Private, ///< Emit "private" prefix before each symbol.
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LinkerPrivate ///< Emit "linker private" prefix before each symbol.
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};
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private:
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const MCAsmInfo &MAI;
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/// AnonGlobalIDs - We need to give global values the same name every time
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/// they are mangled. This keeps track of the number we give to anonymous
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/// ones.
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///
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DenseMap<const GlobalValue*, unsigned> AnonGlobalIDs;
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/// NextAnonGlobalID - This simple counter is used to unique value names.
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///
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unsigned NextAnonGlobalID;
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public:
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// Mangler ctor - if a prefix is specified, it will be prepended onto all
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// symbols.
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Mangler(const MCAsmInfo &mai) : MAI(mai) {}
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/// getNameWithPrefix - Fill OutName with the name of the appropriate prefix
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/// and the specified global variable's name. If the global variable doesn't
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/// have a name, this fills in a unique name for the global.
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void getNameWithPrefix(SmallVectorImpl<char> &OutName, const GlobalValue *GV,
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bool isImplicitlyPrivate);
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/// getNameWithPrefix - Fill OutName with the name of the appropriate prefix
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/// and the specified name as the global variable name. GVName must not be
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/// empty.
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void getNameWithPrefix(SmallVectorImpl<char> &OutName, const Twine &GVName,
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ManglerPrefixTy PrefixTy = Mangler::Default);
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/// getNameWithPrefix - Return the name of the appropriate prefix
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/// and the specified global variable's name. If the global variable doesn't
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/// have a name, this fills in a unique name for the global.
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std::string getNameWithPrefix(const GlobalValue *GV,
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bool isImplicitlyPrivate = false);
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/// appendMangledName - Add the specified string in mangled form if it uses
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/// any unusual characters.
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static void appendMangledName(SmallVectorImpl<char> &OutName, StringRef Str,
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const MCAsmInfo *MAI);
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};
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} // End llvm namespace
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#endif // LLVM_SUPPORT_MANGLER_H
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