forked from OSchip/llvm-project
41 lines
1.1 KiB
C++
41 lines
1.1 KiB
C++
//===-- llvm/CodeGen/AddressPool.h - Dwarf Debug Framework -----*- C++ -*--===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef CODEGEN_ASMPRINTER_ADDRESSPOOL_H__
|
|
#define CODEGEN_ASMPRINTER_ADDRESSPOOL_H__
|
|
|
|
#include "llvm/ADT/DenseMap.h"
|
|
|
|
namespace llvm {
|
|
class MCSection;
|
|
class MCSymbol;
|
|
class AsmPrinter;
|
|
// Collection of addresses for this unit and assorted labels.
|
|
// A Symbol->unsigned mapping of addresses used by indirect
|
|
// references.
|
|
class AddressPool {
|
|
struct AddressPoolEntry {
|
|
unsigned Number;
|
|
bool TLS;
|
|
AddressPoolEntry(unsigned Number, bool TLS) : Number(Number), TLS(TLS) {}
|
|
};
|
|
DenseMap<const MCSymbol *, AddressPoolEntry> Pool;
|
|
|
|
public:
|
|
/// \brief Returns the index into the address pool with the given
|
|
/// label/symbol.
|
|
unsigned getIndex(const MCSymbol *Sym, bool TLS = false);
|
|
|
|
void emit(AsmPrinter &Asm, const MCSection *AddrSection);
|
|
|
|
bool isEmpty() { return Pool.empty(); }
|
|
};
|
|
}
|
|
#endif
|