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/*
Copyright (C) 2006 - 2015 Evan Teran
evan.teran@gmail.com
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef STATE_H_20060715_
#define STATE_H_20060715_
#include <memory>
#include "API.h"
#include "Types.h"
class IState;
class Register;
class QString;
namespace DebuggerCorePlugin {
class DebuggerCore;
class PlatformThread;
}
// NOTE(eteran): the purpose of this class is simply to give IState objects
// value semantics, so it tends to nearly replicate that interface.
class EDB_EXPORT State {
// TODO(eteran): I don't like needing to do this
// need to revisit the IState/State/PlatformState stuff...
friend class DebuggerCorePlugin::DebuggerCore;
friend class DebuggerCorePlugin::PlatformThread;
public:
State();
State(const State &other);
State &operator=(const State &rhs);
State(State &&other) noexcept;
State &operator=(State &&rhs) noexcept;
~State();
public:
void swap(State &other);
public:
QString flagsToString() const;
QString flagsToString(edb::reg_t flags) const;
Register value(const QString ®) const;
Register instructionPointerRegister() const;
Register flagsRegister() const;
edb::address_t framePointer() const;
edb::address_t instructionPointer() const;
edb::address_t stackPointer() const;
edb::reg_t debugRegister(size_t n) const;
edb::reg_t flags() const;
Register gpRegister(size_t n) const;
Register archRegister(uint64_t type, size_t n) const;
void adjustStack(int bytes);
void clear();
bool empty() const;
public:
#if defined(EDB_X86) || defined(EDB_X86_64)
int fpuStackPointer() const;
edb::value80 fpuRegister(size_t n) const;
bool fpuRegisterIsEmpty(std::size_t n) const;
QString fpuRegisterTagString(std::size_t n) const;
edb::value16 fpuControlWord() const;
edb::value16 fpuStatusWord() const;
edb::value16 fpuTagWord() const;
#endif
public:
void setDebugRegister(size_t n, edb::reg_t value);
void setFlags(edb::reg_t flags);
void setInstructionPointer(edb::address_t value);
void setRegister(const QString &name, edb::reg_t value);
void setRegister(const Register ®);
public:
Register operator[](const QString ®) const;
private:
std::unique_ptr<IState> impl_;
};
Q_DECLARE_METATYPE(State)
#endif
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