| 1 | //===-- OperatingSystemPlugin.h ---------------------------------------===// |
|---|---|
| 2 | // |
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| 4 | // See https://llvm.org/LICENSE.txt for license information. |
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | |
| 9 | #include "lldb/Core/PluginManager.h" |
| 10 | #include "lldb/Target/OperatingSystem.h" |
| 11 | #include "lldb/Target/Thread.h" |
| 12 | #include "lldb/Target/ThreadList.h" |
| 13 | |
| 14 | /// An operating system plugin that does nothing: simply keeps the thread lists |
| 15 | /// as they are. |
| 16 | class OperatingSystemIdentityMap : public lldb_private::OperatingSystem { |
| 17 | public: |
| 18 | OperatingSystemIdentityMap(lldb_private::Process *process) |
| 19 | : OperatingSystem(process) {} |
| 20 | |
| 21 | static OperatingSystem *CreateInstance(lldb_private::Process *process, |
| 22 | bool force) { |
| 23 | return new OperatingSystemIdentityMap(process); |
| 24 | } |
| 25 | static llvm::StringRef GetPluginNameStatic() { return "identity map"; } |
| 26 | static llvm::StringRef GetPluginDescriptionStatic() { return ""; } |
| 27 | |
| 28 | static void Initialize() { |
| 29 | lldb_private::PluginManager::RegisterPlugin(name: GetPluginNameStatic(), |
| 30 | description: GetPluginDescriptionStatic(), |
| 31 | create_callback: CreateInstance, debugger_init_callback: nullptr); |
| 32 | } |
| 33 | static void Terminate() { |
| 34 | lldb_private::PluginManager::UnregisterPlugin(create_callback: CreateInstance); |
| 35 | } |
| 36 | llvm::StringRef GetPluginName() override { return GetPluginNameStatic(); } |
| 37 | |
| 38 | // Simply adds the threads from real_thread_list into new_thread_list. |
| 39 | bool UpdateThreadList(lldb_private::ThreadList &old_thread_list, |
| 40 | lldb_private::ThreadList &real_thread_list, |
| 41 | lldb_private::ThreadList &new_thread_list) override { |
| 42 | for (const auto &real_thread : real_thread_list.Threads()) |
| 43 | new_thread_list.AddThread(thread_sp: real_thread); |
| 44 | return true; |
| 45 | } |
| 46 | |
| 47 | void ThreadWasSelected(lldb_private::Thread *thread) override {} |
| 48 | |
| 49 | lldb::RegisterContextSP |
| 50 | CreateRegisterContextForThread(lldb_private::Thread *thread, |
| 51 | lldb::addr_t reg_data_addr) override { |
| 52 | return thread->GetRegisterContext(); |
| 53 | } |
| 54 | |
| 55 | lldb::StopInfoSP |
| 56 | CreateThreadStopReason(lldb_private::Thread *thread) override { |
| 57 | return thread->GetStopInfo(); |
| 58 | } |
| 59 | }; |
| 60 |