mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-11-10 01:10:48 +00:00
124e182103
These are very much a work in progress, and not really useful yet. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140345 91177308-0d34-0410-b5e6-96231b3b80d8
59 lines
1.9 KiB
C++
59 lines
1.9 KiB
C++
//===-- 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
|
|
|