lldb/source/Symbol/ObjectContainer.cpp

   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 }