105 lines
2.7 KiB
C++
105 lines
2.7 KiB
C++
//===-- LinuxThread.cpp -----------------------------------------*- 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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// C Includes
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// C++ Includes
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// Other libraries and framework includes
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// Project includes
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#include "LinuxThread.h"
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#include "lldb/Core/State.h"
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#include "ProcessPOSIX.h"
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#include "ProcessMonitor.h"
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#include "ProcessPOSIXLog.h"
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using namespace lldb;
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using namespace lldb_private;
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//------------------------------------------------------------------------------
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// Constructors and destructors.
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LinuxThread::LinuxThread(Process &process, lldb::tid_t tid)
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: POSIXThread(process, tid)
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{
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}
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LinuxThread::~LinuxThread()
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{
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}
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//------------------------------------------------------------------------------
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// ProcessInterface protocol.
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bool
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LinuxThread::Resume()
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{
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lldb::StateType resume_state = GetResumeState();
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ProcessMonitor &monitor = GetMonitor();
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bool status;
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Log *log (ProcessPOSIXLog::GetLogIfAllCategoriesSet (POSIX_LOG_THREAD));
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if (log)
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log->Printf ("POSIXThread::%s (), resume_state = %s", __FUNCTION__,
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StateAsCString(resume_state));
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switch (resume_state)
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{
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default:
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assert(false && "Unexpected state for resume!");
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status = false;
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break;
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case lldb::eStateRunning:
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SetState(resume_state);
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status = monitor.Resume(GetID(), GetResumeSignal());
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break;
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case lldb::eStateStepping:
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SetState(resume_state);
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status = monitor.SingleStep(GetID(), GetResumeSignal());
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break;
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case lldb::eStateStopped:
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case lldb::eStateSuspended:
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status = true;
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break;
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}
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return status;
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}
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void
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LinuxThread::RefreshStateAfterStop()
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{
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// Invalidate the thread names every time we get a stop event on Linux so we
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// will re-read the procfs comm virtual file when folks ask for the thread name.
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m_thread_name_valid = false;
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POSIXThread::RefreshStateAfterStop();
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}
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void
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LinuxThread::TraceNotify(const ProcessMessage &message)
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{
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POSIXBreakpointProtocol* reg_ctx = GetPOSIXBreakpointProtocol();
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if (reg_ctx)
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{
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uint32_t num_hw_wps = reg_ctx->NumSupportedHardwareWatchpoints();
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uint32_t wp_idx;
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for (wp_idx = 0; wp_idx < num_hw_wps; wp_idx++)
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{
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if (reg_ctx->IsWatchpointHit(wp_idx))
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{
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WatchNotify(message);
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return;
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}
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}
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}
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POSIXThread::TraceNotify (message);
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}
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