dcd80377f3
This patch implements basic support for stopping at breakpoints and resuming later. While a breakpoint is stopped at, LLDB will cease to process events in the debug loop, effectively suspending the process, and then resume later when ProcessWindows::DoResume is called. As a side effect, this also correctly handles the loader breakpoint (i.e. the initial stop) so that LLDB goes through the correct state sequence during the initial process launch. llvm-svn: 221642
61 lines
2.6 KiB
C++
61 lines
2.6 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 "IDebugDelegate.h"
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#include "lldb/lldb-forward.h"
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class ProcessWindows;
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namespace lldb_private
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{
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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 driver.
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// 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 why
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// 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 also
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// also needs access to it as well. To avoid a race condition, we want to
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// make 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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{
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public:
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explicit LocalDebugDelegate::LocalDebugDelegate(lldb::ProcessSP process);
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void OnExitProcess(const ProcessMessageExitProcess &message) override;
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void OnDebuggerConnected(const ProcessMessageDebuggerConnected &message) override;
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ExceptionResult OnDebugException(const ProcessMessageException &message) override;
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void OnCreateThread(const ProcessMessageCreateThread &message) override;
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void OnExitThread(const ProcessMessageExitThread &message) override;
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void OnLoadDll(const ProcessMessageLoadDll &message) override;
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void OnUnloadDll(const ProcessMessageUnloadDll &message) override;
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void OnDebugString(const ProcessMessageDebugString &message) override;
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void OnDebuggerError(const ProcessMessageDebuggerError &message) override;
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private:
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lldb::ProcessSP m_process;
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};
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}
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#endif
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