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916d3120b3
This is a bit more convenient for some callers, but more importantly, it is easier to implement correctly. Doing this removes the patching of already printed data that was used for fastcall, fixing a crash with private fastcall symbols. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200367 91177308-0d34-0410-b5e6-96231b3b80d8
68 lines
2.2 KiB
C++
68 lines
2.2 KiB
C++
//===-- llvm/IR/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_TARGET_MANGLER_H
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#define LLVM_TARGET_MANGLER_H
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#include "llvm/ADT/DenseMap.h"
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#include "llvm/Support/raw_ostream.h"
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namespace llvm {
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class DataLayout;
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class GlobalValue;
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template <typename T> class SmallVectorImpl;
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class Twine;
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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 DataLayout *DL;
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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(const DataLayout *DL) : DL(DL), NextAnonGlobalID(1) {}
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/// Print the appropriate prefix and the specified global variable's name.
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/// If the global variable doesn't have a name, this fills in a unique name
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/// for the global.
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void getNameWithPrefix(raw_ostream &OS, const GlobalValue *GV);
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void getNameWithPrefix(SmallVectorImpl<char> &OutName, const GlobalValue *GV);
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/// Print the appropriate prefix and the specified name as the global variable
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/// name. GVName must not be empty.
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void getNameWithPrefix(raw_ostream &OS, const Twine &GVName,
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ManglerPrefixTy PrefixTy = Mangler::Default);
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void getNameWithPrefix(SmallVectorImpl<char> &OutName, const Twine &GVName,
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ManglerPrefixTy PrefixTy = Mangler::Default);
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};
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} // End llvm namespace
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#endif // LLVM_TARGET_MANGLER_H
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