llvm/lldb/source/Plugins/SystemRuntime/MacOSX/AppleGetItemInfoHandler.cpp

//===-- AppleGetItemInfoHandler.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 "AppleGetItemInfoHandler.h"

#include "Plugins/TypeSystem/Clang/TypeSystemClang.h"
#include "lldb/Core/Module.h"
#include "lldb/Core/Value.h"
#include "lldb/Expression/DiagnosticManager.h"
#include "lldb/Expression/FunctionCaller.h"
#include "lldb/Expression/UtilityFunction.h"
#include "lldb/Symbol/Symbol.h"
#include "lldb/Target/ExecutionContext.h"
#include "lldb/Target/Process.h"
#include "lldb/Target/Target.h"
#include "lldb/Target/Thread.h"
#include "lldb/Utility/ConstString.h"
#include "lldb/Utility/LLDBLog.h"
#include "lldb/Utility/Log.h"
#include "lldb/Utility/StreamString.h"

usingnamespacelldb;
usingnamespacelldb_private;

const char *AppleGetItemInfoHandler::g_get_item_info_function_name = …;
const char *AppleGetItemInfoHandler::g_get_item_info_function_code = …;

AppleGetItemInfoHandler::AppleGetItemInfoHandler(Process *process)
    : … { … }

AppleGetItemInfoHandler::~AppleGetItemInfoHandler() = default;

void AppleGetItemInfoHandler::Detach() { … }

// Compile our __lldb_backtrace_recording_get_item_info() function (from the
// source above in g_get_item_info_function_code) if we don't find that
// function in the inferior already with USE_BUILTIN_FUNCTION defined.  (e.g.
// this would be the case for testing.)
//
// Insert the __lldb_backtrace_recording_get_item_info into the inferior
// process if needed.
//
// Write the get_item_info_arglist into the inferior's memory space to prepare
// for the call.
//
// Returns the address of the arguments written down in the inferior process,
// which can be used to make the function call.

lldb::addr_t AppleGetItemInfoHandler::SetupGetItemInfoFunction(
    Thread &thread, ValueList &get_item_info_arglist) { … }

AppleGetItemInfoHandler::GetItemInfoReturnInfo
AppleGetItemInfoHandler::GetItemInfo(Thread &thread, uint64_t item,
                                     addr_t page_to_free,
                                     uint64_t page_to_free_size,
                                     Status &error) { … }