diff options
Diffstat (limited to 'contrib/llvm-project/lldb/source/Plugins/ScriptInterpreter/Python/ScriptedProcessPythonInterface.cpp')
-rw-r--r-- | contrib/llvm-project/lldb/source/Plugins/ScriptInterpreter/Python/ScriptedProcessPythonInterface.cpp | 202 |
1 files changed, 202 insertions, 0 deletions
diff --git a/contrib/llvm-project/lldb/source/Plugins/ScriptInterpreter/Python/ScriptedProcessPythonInterface.cpp b/contrib/llvm-project/lldb/source/Plugins/ScriptInterpreter/Python/ScriptedProcessPythonInterface.cpp new file mode 100644 index 000000000000..6f087e8390ce --- /dev/null +++ b/contrib/llvm-project/lldb/source/Plugins/ScriptInterpreter/Python/ScriptedProcessPythonInterface.cpp @@ -0,0 +1,202 @@ +//===-- ScriptedProcessPythonInterface.cpp --------------------------------===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// + +#include "lldb/Host/Config.h" +#include "lldb/Utility/Log.h" +#include "lldb/Utility/Status.h" +#include "lldb/lldb-enumerations.h" + +#if LLDB_ENABLE_PYTHON + +// LLDB Python header must be included first +#include "lldb-python.h" + +#include "SWIGPythonBridge.h" +#include "ScriptInterpreterPythonImpl.h" +#include "ScriptedProcessPythonInterface.h" +#include "ScriptedThreadPythonInterface.h" +#include <optional> + +using namespace lldb; +using namespace lldb_private; +using namespace lldb_private::python; +using Locker = ScriptInterpreterPythonImpl::Locker; + +ScriptedProcessPythonInterface::ScriptedProcessPythonInterface( + ScriptInterpreterPythonImpl &interpreter) + : ScriptedProcessInterface(), ScriptedPythonInterface(interpreter) {} + +StructuredData::GenericSP ScriptedProcessPythonInterface::CreatePluginObject( + llvm::StringRef class_name, ExecutionContext &exe_ctx, + StructuredData::DictionarySP args_sp, StructuredData::Generic *script_obj) { + if (class_name.empty()) + return {}; + + StructuredDataImpl args_impl(args_sp); + std::string error_string; + + Locker py_lock(&m_interpreter, Locker::AcquireLock | Locker::NoSTDIN, + Locker::FreeLock); + + lldb::ExecutionContextRefSP exe_ctx_ref_sp = + std::make_shared<ExecutionContextRef>(exe_ctx); + + PythonObject ret_val = LLDBSwigPythonCreateScriptedObject( + class_name.str().c_str(), m_interpreter.GetDictionaryName(), + exe_ctx_ref_sp, args_impl, error_string); + + m_object_instance_sp = + StructuredData::GenericSP(new StructuredPythonObject(std::move(ret_val))); + + return m_object_instance_sp; +} + +Status ScriptedProcessPythonInterface::Launch() { + return GetStatusFromMethod("launch"); +} + +Status ScriptedProcessPythonInterface::Resume() { + return GetStatusFromMethod("resume"); +} + +bool ScriptedProcessPythonInterface::ShouldStop() { + Status error; + StructuredData::ObjectSP obj = Dispatch("is_alive", error); + + if (!CheckStructuredDataObject(LLVM_PRETTY_FUNCTION, obj, error)) + return {}; + + return obj->GetBooleanValue(); +} + +Status ScriptedProcessPythonInterface::Stop() { + return GetStatusFromMethod("stop"); +} + +std::optional<MemoryRegionInfo> +ScriptedProcessPythonInterface::GetMemoryRegionContainingAddress( + lldb::addr_t address, Status &error) { + auto mem_region = Dispatch<std::optional<MemoryRegionInfo>>( + "get_memory_region_containing_address", error, address); + + if (error.Fail()) { + return ErrorWithMessage<MemoryRegionInfo>(LLVM_PRETTY_FUNCTION, + error.AsCString(), error); + } + + return mem_region; +} + +StructuredData::DictionarySP ScriptedProcessPythonInterface::GetThreadsInfo() { + Status error; + StructuredData::DictionarySP dict = + Dispatch<StructuredData::DictionarySP>("get_threads_info", error); + + if (!CheckStructuredDataObject(LLVM_PRETTY_FUNCTION, dict, error)) + return {}; + + return dict; +} + +StructuredData::DictionarySP +ScriptedProcessPythonInterface::GetThreadWithID(lldb::tid_t tid) { + Status error; + StructuredData::ObjectSP obj = Dispatch("get_thread_with_id", error, tid); + + if (!CheckStructuredDataObject(LLVM_PRETTY_FUNCTION, obj, error)) + return {}; + + StructuredData::DictionarySP dict{obj->GetAsDictionary()}; + + return dict; +} + +StructuredData::DictionarySP +ScriptedProcessPythonInterface::GetRegistersForThread(lldb::tid_t tid) { + // TODO: Implement + return {}; +} + +lldb::DataExtractorSP ScriptedProcessPythonInterface::ReadMemoryAtAddress( + lldb::addr_t address, size_t size, Status &error) { + Status py_error; + lldb::DataExtractorSP data_sp = Dispatch<lldb::DataExtractorSP>( + "read_memory_at_address", py_error, address, size, error); + + // If there was an error on the python call, surface it to the user. + if (py_error.Fail()) + error = py_error; + + return data_sp; +} + +StructuredData::ArraySP ScriptedProcessPythonInterface::GetLoadedImages() { + Status error; + StructuredData::ArraySP array = + Dispatch<StructuredData::ArraySP>("get_loaded_images", error); + + if (!array || !array->IsValid() || error.Fail()) { + return ScriptedInterface::ErrorWithMessage<StructuredData::ArraySP>( + LLVM_PRETTY_FUNCTION, + llvm::Twine("Null or invalid object (" + + llvm::Twine(error.AsCString()) + llvm::Twine(").")) + .str(), + error); + } + + return array; +} + +lldb::pid_t ScriptedProcessPythonInterface::GetProcessID() { + Status error; + StructuredData::ObjectSP obj = Dispatch("get_process_id", error); + + if (!CheckStructuredDataObject(LLVM_PRETTY_FUNCTION, obj, error)) + return LLDB_INVALID_PROCESS_ID; + + return obj->GetIntegerValue(LLDB_INVALID_PROCESS_ID); +} + +bool ScriptedProcessPythonInterface::IsAlive() { + Status error; + StructuredData::ObjectSP obj = Dispatch("is_alive", error); + + if (!CheckStructuredDataObject(LLVM_PRETTY_FUNCTION, obj, error)) + return {}; + + return obj->GetBooleanValue(); +} + +std::optional<std::string> +ScriptedProcessPythonInterface::GetScriptedThreadPluginName() { + Status error; + StructuredData::ObjectSP obj = Dispatch("get_scripted_thread_plugin", error); + + if (!CheckStructuredDataObject(LLVM_PRETTY_FUNCTION, obj, error)) + return {}; + + return obj->GetStringValue().str(); +} + +lldb::ScriptedThreadInterfaceSP +ScriptedProcessPythonInterface::CreateScriptedThreadInterface() { + return std::make_shared<ScriptedThreadPythonInterface>(m_interpreter); +} + +StructuredData::DictionarySP ScriptedProcessPythonInterface::GetMetadata() { + Status error; + StructuredData::DictionarySP dict = + Dispatch<StructuredData::DictionarySP>("get_process_metadata", error); + + if (!CheckStructuredDataObject(LLVM_PRETTY_FUNCTION, dict, error)) + return {}; + + return dict; +} + +#endif |