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96 lines
3.3 KiB
C++
96 lines
3.3 KiB
C++
/*
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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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enum class HasControlPassedToUser {
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No,
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Yes,
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};
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static void initialize(
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Function<HasControlPassedToUser(const PtraceRegisters&)> 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<HasControlPassedToUser(const PtraceRegisters&)> 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<HasControlPassedToUser(const PtraceRegisters&)> 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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