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-rw-r--r--include/llvm/Support/Mangler.h142
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diff --git a/include/llvm/Support/Mangler.h b/include/llvm/Support/Mangler.h
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-//===-- llvm/Support/Mangler.h - Self-contained name mangler ----*- C++ -*-===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// Unified name mangler for various backends.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef LLVM_SUPPORT_MANGLER_H
-#define LLVM_SUPPORT_MANGLER_H
-
-#include "llvm/ADT/DenseMap.h"
-#include "llvm/ADT/SmallPtrSet.h"
-#include <string>
-
-namespace llvm {
-class Twine;
-class Type;
-class Module;
-class Value;
-class GlobalValue;
-template <typename T> class SmallVectorImpl;
-
-class Mangler {
-public:
- enum ManglerPrefixTy {
- Default, ///< Emit default string before each symbol.
- Private, ///< Emit "private" prefix before each symbol.
- LinkerPrivate ///< Emit "linker private" prefix before each symbol.
- };
-
-private:
- /// Prefix - This string is added to each symbol that is emitted, unless the
- /// symbol is marked as not needing this prefix.
- const char *Prefix;
-
- /// PrivatePrefix - This string is emitted before each symbol with private
- /// linkage.
- const char *PrivatePrefix;
-
- /// LinkerPrivatePrefix - This string is emitted before each symbol with
- /// "linker_private" linkage.
- const char *LinkerPrivatePrefix;
-
- /// UseQuotes - If this is set, the target accepts global names in quotes,
- /// e.g. "foo bar" is a legal name. This syntax is used instead of escaping
- /// the space character. By default, this is false.
- bool UseQuotes;
-
- /// SymbolsCanStartWithDigit - If this is set, the target allows symbols to
- /// start with digits (e.g., "0x0021"). By default, this is false.
- bool SymbolsCanStartWithDigit;
-
- /// AnonGlobalIDs - We need to give global values the same name every time
- /// they are mangled. This keeps track of the number we give to anonymous
- /// ones.
- ///
- DenseMap<const GlobalValue*, unsigned> AnonGlobalIDs;
-
- /// NextAnonGlobalID - This simple counter is used to unique value names.
- ///
- unsigned NextAnonGlobalID;
-
- /// AcceptableChars - This bitfield contains a one for each character that is
- /// allowed to be part of an unmangled name.
- unsigned AcceptableChars[256 / 32];
-
-public:
- // Mangler ctor - if a prefix is specified, it will be prepended onto all
- // symbols.
- Mangler(Module &M, const char *Prefix = "", const char *privatePrefix = "",
- const char *linkerPrivatePrefix = "");
-
- /// setUseQuotes - If UseQuotes is set to true, this target accepts quoted
- /// strings for assembler labels.
- void setUseQuotes(bool Val) { UseQuotes = Val; }
-
- /// setSymbolsCanStartWithDigit - If SymbolsCanStartWithDigit is set to true,
- /// this target allows symbols to start with digits.
- void setSymbolsCanStartWithDigit(bool Val) { SymbolsCanStartWithDigit = Val; }
-
- /// Acceptable Characters - This allows the target to specify which characters
- /// are acceptable to the assembler without being mangled. By default we
- /// allow letters, numbers, '_', '$', '.', which is what GAS accepts, and '@'.
- void markCharAcceptable(unsigned char X) {
- AcceptableChars[X/32] |= 1 << (X&31);
- }
- void markCharUnacceptable(unsigned char X) {
- AcceptableChars[X/32] &= ~(1 << (X&31));
- }
- bool isCharAcceptable(unsigned char X) const {
- return (AcceptableChars[X/32] & (1 << (X&31))) != 0;
- }
-
- /// getMangledName - Returns the mangled name of V, an LLVM Value,
- /// in the current module. If 'Suffix' is specified, the name ends with the
- /// specified suffix. If 'ForcePrivate' is specified, the label is specified
- /// to have a private label prefix.
- ///
- /// FIXME: This is deprecated, new code should use getNameWithPrefix and use
- /// MCSymbol printing to handle quotes or not etc.
- ///
- std::string getMangledName(const GlobalValue *V, const char *Suffix = "",
- bool ForcePrivate = false);
-
- /// getNameWithPrefix - Fill OutName with the name of the appropriate prefix
- /// and the specified global variable's name. If the global variable doesn't
- /// have a name, this fills in a unique name for the global.
- void getNameWithPrefix(SmallVectorImpl<char> &OutName, const GlobalValue *GV,
- bool isImplicitlyPrivate);
-
- /// getNameWithPrefix - Fill OutName with the name of the appropriate prefix
- /// and the specified name as the global variable name. GVName must not be
- /// empty.
- void getNameWithPrefix(SmallVectorImpl<char> &OutName, const Twine &GVName,
- ManglerPrefixTy PrefixTy = Mangler::Default);
-
-private:
- /// makeNameProper - We don't want identifier names with ., space, or
- /// - in them, so we mangle these characters into the strings "d_",
- /// "s_", and "D_", respectively. This is a very simple mangling that
- /// doesn't guarantee unique names for values. getValueName already
- /// does this for you, so there's no point calling it on the result
- /// from getValueName.
- ///
- /// FIXME: This is deprecated, new code should use getNameWithPrefix and use
- /// MCSymbol printing to handle quotes or not etc.
- ///
- void makeNameProper(SmallVectorImpl<char> &OutName,
- const Twine &Name,
- ManglerPrefixTy PrefixTy = Mangler::Default);
-
-};
-
-} // End llvm namespace
-
-#endif // LLVM_SUPPORT_MANGLER_H
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