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//===-- llvm/MC/MCModule.h - MCModule class ---------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file contains the declaration of the MCModule class, which is used to
// represent a complete, disassembled object file or executable.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_MC_MCMODULE_H
#define LLVM_MC_MCMODULE_H
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/IntervalMap.h"
#include "llvm/ADT/SmallPtrSet.h"
#include "llvm/Support/DataTypes.h"
namespace llvm {
class MCAtom;
/// MCModule - This class represent a completely disassembled object file or
/// executable. It comprises a list of MCAtom's, and a branch target table.
/// Each atom represents a contiguous range of either instructions or data.
class MCModule {
/// AtomAllocationTracker - An MCModule owns its component MCAtom's, so it
/// must track them in order to ensure they are properly freed as atoms are
/// merged or otherwise manipulated.
SmallPtrSet<MCAtom*, 8> AtomAllocationTracker;
/// OffsetMap - Efficiently maps offset ranges to MCAtom's.
IntervalMap<uint64_t, MCAtom*> OffsetMap;
/// BranchTargetMap - Maps offsets that are determined to be branches and
/// can be statically resolved to their target offsets.
DenseMap<uint64_t, MCAtom*> BranchTargetMap;
friend class MCAtom;
/// remap - Update the interval mapping for an MCAtom.
void remap(MCAtom *Atom, uint64_t NewBegin, uint64_t NewEnd);
public:
MCModule(IntervalMap<uint64_t, MCAtom*>::Allocator &A) : OffsetMap(A) { }
/// createAtom - Creates a new MCAtom covering the specified offset range.
MCAtom *createAtom(MCAtom::AtomType Type, uint64_t Begin, uint64_t End);
};
}
#endif
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