forked from OSchip/llvm-project
68 lines
2.7 KiB
C++
68 lines
2.7 KiB
C++
//===-- LocalDebugDelegate.h ------------------------------------*- 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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#ifndef liblldb_Plugins_Process_Windows_LocalDebugDelegate_H_
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#define liblldb_Plugins_Process_Windows_LocalDebugDelegate_H_
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#include <memory>
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#include "IDebugDelegate.h"
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#include "lldb/lldb-forward.h"
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namespace lldb_private {
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class ProcessWindows;
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typedef std::shared_ptr<ProcessWindows> ProcessWindowsSP;
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//----------------------------------------------------------------------
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// LocalDebugDelegate
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//
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// LocalDebugDelegate creates a connection between a ProcessWindows and the
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// debug driver. This serves to decouple ProcessWindows from the debug
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// driver. It would be possible to get a similar decoupling by just having
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// ProcessWindows implement this interface directly. There are two reasons
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// why we don't do this:
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//
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// 1) In the future when we add support for local debugging through LLGS, and we
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// go through the Native*Protocol interface, it is likely we will need the
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// additional flexibility provided by this sort of adapter pattern.
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// 2) LLDB holds a shared_ptr to the ProcessWindows, and our driver thread
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// needs access to it as well. To avoid a race condition, we want to make
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// sure that we're also holding onto a shared_ptr.
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// lldb_private::Process supports enable_shared_from_this, but that gives us
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// a ProcessSP (which is exactly what we are trying to decouple from the
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// driver), so this adapter serves as a way to transparently hold the
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// ProcessSP while still keeping it decoupled from the driver.
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//----------------------------------------------------------------------
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class LocalDebugDelegate : public IDebugDelegate {
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public:
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explicit LocalDebugDelegate(lldb::ProcessWP process);
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void OnExitProcess(uint32_t exit_code) override;
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void OnDebuggerConnected(lldb::addr_t image_base) override;
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ExceptionResult OnDebugException(bool first_chance,
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const ExceptionRecord &record) override;
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void OnCreateThread(const HostThread &thread) override;
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void OnExitThread(lldb::tid_t thread_id, uint32_t exit_code) override;
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void OnLoadDll(const lldb_private::ModuleSpec &module_spec,
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lldb::addr_t module_addr) override;
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void OnUnloadDll(lldb::addr_t module_addr) override;
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void OnDebugString(const std::string &message) override;
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void OnDebuggerError(const Status &error, uint32_t type) override;
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private:
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ProcessWindowsSP GetProcessPointer();
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lldb::ProcessWP m_process;
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};
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}
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#endif
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