1//===-- ObjectContainer.cpp -----------------------------------------------===//
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/Symbol/ObjectContainer.h"
10#include "lldb/Core/Module.h"
11#include "lldb/Core/PluginManager.h"
12#include "lldb/Target/Process.h"
13#include "lldb/Utility/Timer.h"
14
15using namespace lldb;
16using namespace lldb_private;
17
18ObjectContainer::ObjectContainer(const lldb::ModuleSP &module_sp,
19                                 const FileSpec *file,
20                                 lldb::offset_t file_offset,
21                                 lldb::offset_t length,
22                                 lldb::DataBufferSP data_sp,
23                                 lldb::offset_t data_offset)
24    : ModuleChild(module_sp),
25      m_file(), // This file can be different than the module's file spec
26      m_offset(file_offset), m_length(length) {
27  if (file)
28    m_file = *file;
29  if (data_sp)
30    m_data.SetData(data_sp, data_offset, length);
31}
32
33ObjectContainerSP ObjectContainer::FindPlugin(const lldb::ModuleSP &module_sp,
34                                              const ProcessSP &process_sp,
35                                              lldb::addr_t header_addr,
36                                              WritableDataBufferSP data_sp) {
37  if (!module_sp)
38    return {};
39
40  LLDB_SCOPED_TIMERF("ObjectContainer::FindPlugin (module = "
41                     "%s, process = %p, header_addr = "
42                     "0x%" PRIx64 ")",
43                     module_sp->GetFileSpec().GetPath().c_str(),
44                     static_cast<void *>(process_sp.get()), header_addr);
45
46  ObjectContainerCreateMemoryInstance create_callback;
47  for (size_t idx = 0;
48       (create_callback =
49            PluginManager::GetObjectContainerCreateMemoryCallbackAtIndex(
50                idx)) != nullptr;
51       ++idx) {
52    ObjectContainerSP object_container_sp(
53        create_callback(module_sp, data_sp, process_sp, header_addr));
54    if (object_container_sp)
55      return object_container_sp;
56  }
57
58  return {};
59}
60