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https://github.com/RGBCube/serenity
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The HackStudio debugger integrates with LibDebug to provide source-level debugging. The user can set breakpoints at various positions in the source code, and then run the program in debug mode. When the program is stopped, the current execution position is displayed, and the user can insert/remove breakpoints, continue execution, or single step the program.
90 lines
3.2 KiB
C++
90 lines
3.2 KiB
C++
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/*
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* Copyright (c) 2020, Itamar S. <itamar8910@gmail.com>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include "BreakpointCallback.h"
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#include <AK/Function.h>
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#include <AK/Vector.h>
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#include <LibDebug/DebugSession.h>
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#include <LibThread/Lock.h>
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#include <LibThread/Thread.h>
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class Debugger {
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public:
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static Debugger& the();
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static void initialize(
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Function<void(DebugInfo::SourcePosition)> on_stop_callback,
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Function<void()> on_continue_callback,
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Function<void()> on_exit_callback);
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static bool is_initialized();
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static void on_breakpoint_change(const String& file, size_t line, BreakpointChange change_type);
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void set_executable_path(const String& path) { m_executable_path = path; }
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DebugSession* session() { return m_debug_session.ptr(); }
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// Thread entry point
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static int start_static();
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pthread_mutex_t* continue_mutex() { return &m_continue_mutex; }
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pthread_cond_t* continue_cond() { return &m_continue_cond; }
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enum class ContinueType {
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Continue,
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SourceSingleStep,
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};
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void set_continue_type(ContinueType type) { m_continue_type = type; }
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void reset_breakpoints() { m_breakpoints.clear(); }
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private:
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explicit Debugger(
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Function<void(DebugInfo::SourcePosition)> on_stop_callback,
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Function<void()> on_continue_callback,
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Function<void()> on_exit_callback);
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static DebugInfo::SourcePosition create_source_position(const String& file, size_t line);
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void start();
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int debugger_loop();
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OwnPtr<DebugSession> m_debug_session;
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pthread_mutex_t m_continue_mutex {};
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pthread_cond_t m_continue_cond {};
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Vector<DebugInfo::SourcePosition> m_breakpoints;
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String m_executable_path;
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Function<void(DebugInfo::SourcePosition)> m_on_stopped_callback;
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Function<void()> m_on_continue_callback;
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Function<void()> m_on_exit_callback;
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ContinueType m_continue_type { ContinueType::Continue };
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};
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