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 
15 using namespace lldb;
16 using namespace lldb_private;
17 
18 ObjectContainer::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 
33 ObjectContainerSP 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