vendor/lldb/lldb-trunk-r256945

1 files changed, 120 insertions, 0 deletions

diff --git a/source/Plugins/Process/Linux/NativeThreadLinux.h b/source/Plugins/Process/Linux/NativeThreadLinux.h
new file mode 100644
index 000000000000..bf6b00a78cfd
--- /dev/null
+++ b/source/Plugins/Process/Linux/NativeThreadLinux.h
@@ -0,0 +1,120 @@
+//===-- NativeThreadLinux.h ----------------------------------- -*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef liblldb_NativeThreadLinux_H_
+#define liblldb_NativeThreadLinux_H_
+
+#include "lldb/lldb-private-forward.h"
+#include "lldb/Host/common/NativeThreadProtocol.h"
+
+#include <map>
+#include <memory>
+#include <string>
+
+namespace lldb_private {
+namespace process_linux {
+
+    class NativeProcessLinux;
+
+    class NativeThreadLinux : public NativeThreadProtocol
+    {
+        friend class NativeProcessLinux;
+
+    public:
+        NativeThreadLinux (NativeProcessLinux *process, lldb::tid_t tid);
+
+        // ---------------------------------------------------------------------
+        // NativeThreadProtocol Interface
+        // ---------------------------------------------------------------------
+        std::string
+        GetName() override;
+
+        lldb::StateType
+        GetState () override;
+
+        bool
+        GetStopReason (ThreadStopInfo &stop_info, std::string& description) override;
+
+        NativeRegisterContextSP
+        GetRegisterContext () override;
+
+        Error
+        SetWatchpoint (lldb::addr_t addr, size_t size, uint32_t watch_flags, bool hardware) override;
+
+        Error
+        RemoveWatchpoint (lldb::addr_t addr) override;
+
+    private:
+        // ---------------------------------------------------------------------
+        // Interface for friend classes
+        // ---------------------------------------------------------------------
+        void
+        SetRunning ();
+
+        void
+        SetStepping ();
+
+        void
+        SetStoppedBySignal(uint32_t signo, const siginfo_t *info = nullptr);
+
+        /// Return true if the thread is stopped.
+        /// If stopped by a signal, indicate the signo in the signo argument.
+        /// Otherwise, return LLDB_INVALID_SIGNAL_NUMBER.
+        bool
+        IsStopped (int *signo);
+
+        void
+        SetStoppedByExec ();
+
+        void
+        SetStoppedByBreakpoint ();
+
+        void
+        SetStoppedByWatchpoint (uint32_t wp_index);
+
+        bool
+        IsStoppedAtBreakpoint ();
+
+        bool
+        IsStoppedAtWatchpoint ();
+
+        void
+        SetStoppedByTrace ();
+
+        void
+        SetStoppedWithNoReason ();
+
+        void
+        SetExited ();
+
+        Error
+        RequestStop ();
+
+        // ---------------------------------------------------------------------
+        // Private interface
+        // ---------------------------------------------------------------------
+        void
+        MaybeLogStateChange (lldb::StateType new_state);
+
+        // ---------------------------------------------------------------------
+        // Member Variables
+        // ---------------------------------------------------------------------
+        lldb::StateType m_state;
+        ThreadStopInfo m_stop_info;
+        NativeRegisterContextSP m_reg_context_sp;
+        std::string m_stop_description;
+        using WatchpointIndexMap = std::map<lldb::addr_t, uint32_t>;
+        WatchpointIndexMap m_watchpoint_index_map;
+    };
+
+    typedef std::shared_ptr<NativeThreadLinux> NativeThreadLinuxSP;
+} // namespace process_linux
+} // namespace lldb_private
+
+#endif // #ifndef liblldb_NativeThreadLinux_H_