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37 lines
1.5 KiB
C++
37 lines
1.5 KiB
C++
/*
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* Copyright (c) 2019-2020 Atmosphère-NX
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include "../hvisor_exception_stack_frame.hpp"
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namespace ams::hvisor::traps {
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enum class SingleStepState {
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Inactive = 0, /// Single step disabled OR in the debugger
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ActiveNotPending = 1, /// Instruction not yet executed
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ActivePending = 2, /// Instruction executed or return-from-trap, single-step exception is going to be generated soon
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};
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/// Get the single-step state machine state (state after eret)
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SingleStepState GetNextSingleStepState(ExceptionStackFrame *frame);
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/// Set the single-step state machine state (state after eret). Frame can be nullptr iff new state is "inactive"
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void SetNextSingleStepState(ExceptionStackFrame *frame, SingleStepState state);
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void HandleSingleStep(ExceptionStackFrame *frame, cpu::ExceptionSyndromeRegister esr);
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} |