cb82771c96
Currently, an LLDB target option controls whether plugins report all threads. However, it seems natural for this knowledge could come from the plugin itself. To support this, this commits adds a virtual method to the plugin base class, making the Python OS query the target option to preserve existing behavior.
110 lines
3.8 KiB
C++
110 lines
3.8 KiB
C++
//===-- ScriptedThreadPythonInterface.cpp ---------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "lldb/Core/PluginManager.h"
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#include "lldb/Host/Config.h"
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#include "lldb/Target/ExecutionContext.h"
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#include "lldb/Utility/Log.h"
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#include "lldb/lldb-enumerations.h"
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#if LLDB_ENABLE_PYTHON
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// clang-format off
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// LLDB Python header must be included first
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#include "../lldb-python.h"
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//clang-format on
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#include "../SWIGPythonBridge.h"
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#include "../ScriptInterpreterPythonImpl.h"
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#include "OperatingSystemPythonInterface.h"
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using namespace lldb;
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using namespace lldb_private;
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using namespace lldb_private::python;
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using Locker = ScriptInterpreterPythonImpl::Locker;
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OperatingSystemPythonInterface::OperatingSystemPythonInterface(
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ScriptInterpreterPythonImpl &interpreter)
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: OperatingSystemInterface(), ScriptedThreadPythonInterface(interpreter) {}
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llvm::Expected<StructuredData::GenericSP>
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OperatingSystemPythonInterface::CreatePluginObject(
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llvm::StringRef class_name, ExecutionContext &exe_ctx,
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StructuredData::DictionarySP args_sp, StructuredData::Generic *script_obj) {
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return ScriptedPythonInterface::CreatePluginObject(class_name, nullptr,
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exe_ctx.GetProcessSP());
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}
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StructuredData::DictionarySP
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OperatingSystemPythonInterface::CreateThread(lldb::tid_t tid,
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lldb::addr_t context) {
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Status error;
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StructuredData::DictionarySP dict = Dispatch<StructuredData::DictionarySP>(
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"create_thread", error, tid, context);
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if (!ScriptedInterface::CheckStructuredDataObject(LLVM_PRETTY_FUNCTION, dict,
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error))
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return {};
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return dict;
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}
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StructuredData::ArraySP OperatingSystemPythonInterface::GetThreadInfo() {
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Status error;
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StructuredData::ArraySP arr =
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Dispatch<StructuredData::ArraySP>("get_thread_info", error);
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if (!ScriptedInterface::CheckStructuredDataObject(LLVM_PRETTY_FUNCTION, arr,
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error))
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return {};
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return arr;
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}
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StructuredData::DictionarySP OperatingSystemPythonInterface::GetRegisterInfo() {
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return ScriptedThreadPythonInterface::GetRegisterInfo();
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}
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std::optional<std::string>
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OperatingSystemPythonInterface::GetRegisterContextForTID(lldb::tid_t tid) {
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Status error;
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StructuredData::ObjectSP obj = Dispatch("get_register_data", error, tid);
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if (!ScriptedInterface::CheckStructuredDataObject(LLVM_PRETTY_FUNCTION, obj,
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error))
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return {};
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return obj->GetAsString()->GetValue().str();
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}
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std::optional<bool> OperatingSystemPythonInterface::DoesPluginReportAllThreads() {
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Status error;
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StructuredData::ObjectSP obj = Dispatch("does_plugin_report_all_threads", error);
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if (!ScriptedInterface::CheckStructuredDataObject(LLVM_PRETTY_FUNCTION, obj,
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error))
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return {};
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return obj->GetAsBoolean()->GetValue();
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}
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void OperatingSystemPythonInterface::Initialize() {
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const std::vector<llvm::StringRef> ci_usages = {
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"settings set target.process.python-os-plugin-path <script-path>",
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"settings set process.experimental.os-plugin-reports-all-threads [0/1]"};
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const std::vector<llvm::StringRef> api_usages = {};
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PluginManager::RegisterPlugin(
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GetPluginNameStatic(), llvm::StringRef("Mock thread state"),
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CreateInstance, eScriptLanguagePython, {ci_usages, api_usages});
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}
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void OperatingSystemPythonInterface::Terminate() {
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PluginManager::UnregisterPlugin(CreateInstance);
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}
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#endif
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