mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-17 18:31:04 +00:00
5c0ba804c0
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76456 91177308-0d34-0410-b5e6-96231b3b80d8
112 lines
4.0 KiB
C++
112 lines
4.0 KiB
C++
//===-- 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 Type;
|
|
class Module;
|
|
class Value;
|
|
class GlobalValue;
|
|
|
|
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;
|
|
|
|
/// 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; }
|
|
|
|
/// 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;
|
|
}
|
|
|
|
/// 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.
|
|
///
|
|
std::string getMangledName(const GlobalValue *V, const char *Suffix = "",
|
|
bool ForcePrivate = false);
|
|
|
|
/// 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,
|
|
ManglerPrefixTy PrefixTy = Mangler::Default);
|
|
};
|
|
|
|
} // End llvm namespace
|
|
|
|
#endif // LLVM_SUPPORT_MANGLER_H
|