mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-24 03:33:20 +01:00
119 lines
4.0 KiB
C++
119 lines
4.0 KiB
C++
//===-- llvm/Support/Mangler.h - Self-contained name mangler ----*- C++ -*-===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file was developed by the LLVM research group and 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/System/IncludeFile.h"
|
|
#include <map>
|
|
#include <set>
|
|
#include <string>
|
|
|
|
namespace llvm {
|
|
class Type;
|
|
class Module;
|
|
class Value;
|
|
class GlobalValue;
|
|
|
|
class Mangler {
|
|
/// Prefix - This string is added to each symbol that is emitted, unless the
|
|
/// symbol is marked as not needing this prefix.
|
|
const char *Prefix;
|
|
|
|
/// 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;
|
|
|
|
/// PreserveAsmNames - If this is set, the asm escape character is not removed
|
|
/// from names with 'asm' specifiers.
|
|
bool PreserveAsmNames;
|
|
|
|
/// Memo - This is used to remember the name that we assign a value.
|
|
///
|
|
std::map<const Value*, std::string> Memo;
|
|
|
|
/// Count - This simple counter is used to unique value names.
|
|
///
|
|
unsigned Count;
|
|
|
|
/// TypeMap - If the client wants us to unique types, this keeps track of the
|
|
/// current assignments and TypeCounter keeps track of the next id to assign.
|
|
std::map<const Type*, unsigned> TypeMap;
|
|
unsigned TypeCounter;
|
|
|
|
/// This keeps track of which global values have had their names
|
|
/// mangled in the current module.
|
|
///
|
|
std::set<const GlobalValue*> MangledGlobals;
|
|
|
|
/// 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 = "");
|
|
|
|
/// setUseQuotes - If UseQuotes is set to true, this target accepts quoted
|
|
/// strings for assembler labels.
|
|
void setUseQuotes(bool Val) { UseQuotes = Val; }
|
|
|
|
/// setPreserveAsmNames - If the mangler should not strip off the asm name
|
|
/// identifier (\001), this should be set.
|
|
void setPreserveAsmNames(bool Val) { PreserveAsmNames = 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, '_', '$', and '.', which is what GAS accepts.
|
|
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;
|
|
}
|
|
|
|
/// getTypeID - Return a unique ID for the specified LLVM type.
|
|
///
|
|
unsigned getTypeID(const Type *Ty);
|
|
|
|
/// getValueName - Returns the mangled name of V, an LLVM Value,
|
|
/// in the current module.
|
|
///
|
|
std::string getValueName(const GlobalValue *V);
|
|
std::string getValueName(const Value *V);
|
|
|
|
/// 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.
|
|
///
|
|
std::string makeNameProper(const std::string &x, const char *Prefix = "");
|
|
|
|
private:
|
|
void InsertName(GlobalValue *GV, std::map<std::string, GlobalValue*> &Names);
|
|
};
|
|
|
|
} // End llvm namespace
|
|
|
|
// Force the Mangler.cpp file to be linked when this header is #included
|
|
FORCE_DEFINING_FILE_TO_BE_LINKED(Mangler)
|
|
|
|
#endif // LLVM_SUPPORT_MANGLER_H
|