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//===-- 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"
#if LLDB_ENABLE_PYTHON
// LLDB Python header must be included first
#include "lldb-python.h"
#endif
#include "lldb/Target/Process.h"
#include "lldb/Utility/Log.h"
#include "lldb/Utility/Status.h"
#include "lldb/lldb-enumerations.h"
#if LLDB_ENABLE_PYTHON
#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 = SWIGBridge::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;
}
StructuredData::DictionarySP ScriptedProcessPythonInterface::GetCapabilities() {
Status error;
StructuredData::DictionarySP dict =
Dispatch<StructuredData::DictionarySP>("get_capabilities", error);
if (!CheckStructuredDataObject(LLVM_PRETTY_FUNCTION, dict, error))
return {};
return dict;
}
Status
ScriptedProcessPythonInterface::Attach(const ProcessAttachInfo &attach_info) {
lldb::ProcessAttachInfoSP attach_info_sp =
std::make_shared<ProcessAttachInfo>(attach_info);
return GetStatusFromMethod("attach", attach_info_sp);
}
Status ScriptedProcessPythonInterface::Launch() {
return GetStatusFromMethod("launch");
}
Status ScriptedProcessPythonInterface::Resume() {
// When calling ScriptedProcess.Resume from lldb we should always stop.
return GetStatusFromMethod("resume", /*should_stop=*/true);
}
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;
}
bool ScriptedProcessPythonInterface::CreateBreakpoint(lldb::addr_t addr,
Status &error) {
Status py_error;
StructuredData::ObjectSP obj =
Dispatch("create_breakpoint", py_error, addr, error);
// If there was an error on the python call, surface it to the user.
if (py_error.Fail())
error = py_error;
if (!CheckStructuredDataObject(LLVM_PRETTY_FUNCTION, obj, error))
return {};
return obj->GetBooleanValue();
}
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;
}
lldb::offset_t ScriptedProcessPythonInterface::WriteMemoryAtAddress(
lldb::addr_t addr, lldb::DataExtractorSP data_sp, Status &error) {
Status py_error;
StructuredData::ObjectSP obj =
Dispatch("write_memory_at_address", py_error, addr, data_sp, error);
if (!CheckStructuredDataObject(LLVM_PRETTY_FUNCTION, obj, error))
return LLDB_INVALID_OFFSET;
// If there was an error on the python call, surface it to the user.
if (py_error.Fail())
error = py_error;
return obj->GetIntegerValue(LLDB_INVALID_OFFSET);
}
StructuredData::ArraySP ScriptedProcessPythonInterface::GetLoadedImages() {
Status error;
StructuredData::ArraySP array =
Dispatch<StructuredData::ArraySP>("get_loaded_images", error);
if (!CheckStructuredDataObject(LLVM_PRETTY_FUNCTION, array, error))
return {};
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
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