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113 lines
3.9 KiB
C++
113 lines
3.9 KiB
C++
//===-- llvm/MC/MCModule.h - MCModule class ---------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file contains the declaration of the MCModule class, which is used to
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// represent a complete, disassembled object file or executable.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_MC_MCMODULE_H
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#define LLVM_MC_MCMODULE_H
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#include "llvm/ADT/StringRef.h"
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#include "llvm/Support/Compiler.h"
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#include "llvm/Support/DataTypes.h"
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#include <vector>
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namespace llvm {
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class MCAtom;
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class MCDataAtom;
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class MCFunction;
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class MCObjectDisassembler;
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class MCTextAtom;
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/// \brief A completely disassembled object file or executable.
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/// It comprises a list of MCAtom's, each representing a contiguous range of
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/// either instructions or data.
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/// An MCModule is created using MCObjectDisassembler::buildModule.
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class MCModule {
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/// \name Atom tracking
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/// @{
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/// \brief Atoms in this module, sorted by begin address.
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/// FIXME: This doesn't handle overlapping atoms (which happen when a basic
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/// block starts in the middle of an instruction of another basic block.)
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typedef std::vector<MCAtom*> AtomListTy;
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AtomListTy Atoms;
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friend class MCAtom;
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/// \brief Remap \p Atom to the given range, and update its Begin/End fields.
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/// \param Atom An atom belonging to this module.
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/// An atom should always use this method to update its bounds, because this
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/// enables the owning MCModule to keep track of its atoms.
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void remap(MCAtom *Atom, uint64_t NewBegin, uint64_t NewEnd);
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/// \brief Insert an atom in the module, using its Begin and End addresses.
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void map(MCAtom *NewAtom);
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/// \brief Return an iterator to the first atom that is completely or in part
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/// located after \p Addr, i.e., that \p Addr is bigger than its end address.
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AtomListTy::const_iterator atom_lower_bound(uint64_t Addr) const;
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AtomListTy:: iterator atom_lower_bound(uint64_t Addr);
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/// @}
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/// \name Function tracking
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/// @{
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typedef std::vector<MCFunction*> FunctionListTy;
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FunctionListTy Functions;
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/// @}
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MCModule (const MCModule &) LLVM_DELETED_FUNCTION;
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MCModule& operator=(const MCModule &) LLVM_DELETED_FUNCTION;
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// MCObjectDisassembler creates MCModules.
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friend class MCObjectDisassembler;
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MCModule() : Atoms() { }
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public:
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~MCModule();
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/// \name Create a new MCAtom covering the specified offset range.
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/// @{
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MCTextAtom *createTextAtom(uint64_t Begin, uint64_t End);
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MCDataAtom *createDataAtom(uint64_t Begin, uint64_t End);
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/// @}
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/// \name Access to the owned atom list, ordered by begin address.
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/// @{
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const MCAtom *findAtomContaining(uint64_t Addr) const;
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MCAtom *findAtomContaining(uint64_t Addr);
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typedef AtomListTy::const_iterator const_atom_iterator;
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typedef AtomListTy:: iterator atom_iterator;
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const_atom_iterator atom_begin() const { return Atoms.begin(); }
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atom_iterator atom_begin() { return Atoms.begin(); }
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const_atom_iterator atom_end() const { return Atoms.end(); }
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atom_iterator atom_end() { return Atoms.end(); }
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/// @}
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/// \name Create a new MCFunction.
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MCFunction *createFunction(const StringRef &Name);
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/// \name Access to the owned function list.
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/// @{
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typedef FunctionListTy::const_iterator const_func_iterator;
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typedef FunctionListTy:: iterator func_iterator;
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const_func_iterator func_begin() const { return Functions.begin(); }
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func_iterator func_begin() { return Functions.begin(); }
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const_func_iterator func_end() const { return Functions.end(); }
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func_iterator func_end() { return Functions.end(); }
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/// @}
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};
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}
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#endif
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