1 //===-- llvm/Support/Mangler.h - Self-contained name mangler ----*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // Unified name mangler for various backends.
12 //===----------------------------------------------------------------------===//
14 #ifndef LLVM_SUPPORT_MANGLER_H
15 #define LLVM_SUPPORT_MANGLER_H
17 #include "llvm/ADT/DenseMap.h"
25 template <typename T> class SmallVectorImpl;
30 enum ManglerPrefixTy {
31 Default, ///< Emit default string before each symbol.
32 Private, ///< Emit "private" prefix before each symbol.
33 LinkerPrivate ///< Emit "linker private" prefix before each symbol.
39 /// AnonGlobalIDs - We need to give global values the same name every time
40 /// they are mangled. This keeps track of the number we give to anonymous
43 DenseMap<const GlobalValue*, unsigned> AnonGlobalIDs;
45 /// NextAnonGlobalID - This simple counter is used to unique value names.
47 unsigned NextAnonGlobalID;
50 // Mangler ctor - if a prefix is specified, it will be prepended onto all
52 Mangler(const MCAsmInfo &mai) : MAI(mai), NextAnonGlobalID(1) {}
54 /// getNameWithPrefix - Fill OutName with the name of the appropriate prefix
55 /// and the specified global variable's name. If the global variable doesn't
56 /// have a name, this fills in a unique name for the global.
57 void getNameWithPrefix(SmallVectorImpl<char> &OutName, const GlobalValue *GV,
58 bool isImplicitlyPrivate);
60 /// getNameWithPrefix - Fill OutName with the name of the appropriate prefix
61 /// and the specified name as the global variable name. GVName must not be
63 void getNameWithPrefix(SmallVectorImpl<char> &OutName, const Twine &GVName,
64 ManglerPrefixTy PrefixTy = Mangler::Default);
66 /// getNameWithPrefix - Return the name of the appropriate prefix
67 /// and the specified global variable's name. If the global variable doesn't
68 /// have a name, this fills in a unique name for the global.
69 std::string getNameWithPrefix(const GlobalValue *GV,
70 bool isImplicitlyPrivate = false);
73 } // End llvm namespace
75 #endif // LLVM_SUPPORT_MANGLER_H