| //===-- ObjectFilePlaceholder.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 "ObjectFilePlaceholder.h" |
| |
| #include "lldb/Core/Module.h" |
| #include "lldb/Core/ModuleSpec.h" |
| #include "lldb/Core/PluginManager.h" |
| #include "lldb/Core/Section.h" |
| #include "lldb/Target/SectionLoadList.h" |
| #include "lldb/Target/Target.h" |
| |
| #include <memory> |
| |
| using namespace lldb; |
| using namespace lldb_private; |
| |
| LLDB_PLUGIN_DEFINE(ObjectFilePlaceholder) |
| |
| ObjectFilePlaceholder::ObjectFilePlaceholder( |
| const lldb::ModuleSP &module_sp, |
| const lldb_private::ModuleSpec &module_spec, lldb::addr_t base, |
| lldb::addr_t size) |
| : ObjectFile(module_sp, &module_spec.GetFileSpec(), /*file_offset*/ 0, |
| /*length*/ 0, /*data_sp*/ nullptr, /*data_offset*/ 0), |
| m_arch(module_spec.GetArchitecture()), m_uuid(module_spec.GetUUID()), |
| m_base(base), m_size(size) { |
| m_symtab_up = std::make_unique<lldb_private::Symtab>(this); |
| } |
| |
| void ObjectFilePlaceholder::CreateSections( |
| lldb_private::SectionList &unified_section_list) { |
| m_sections_up = std::make_unique<lldb_private::SectionList>(); |
| auto section_sp = std::make_shared<lldb_private::Section>( |
| GetModule(), this, /*sect_id*/ 0, |
| lldb_private::ConstString(".module_image"), eSectionTypeOther, m_base, |
| m_size, /*file_offset*/ 0, /*file_size*/ 0, |
| /*log2align*/ 0, /*flags*/ 0); |
| section_sp->SetPermissions(ePermissionsReadable | ePermissionsExecutable); |
| m_sections_up->AddSection(section_sp); |
| unified_section_list.AddSection(std::move(section_sp)); |
| } |
| |
| lldb_private::Address ObjectFilePlaceholder::GetBaseAddress() { |
| return lldb_private::Address(m_sections_up->GetSectionAtIndex(0), 0); |
| } |
| |
| bool ObjectFilePlaceholder::SetLoadAddress(Target &target, addr_t value, |
| bool value_is_offset) { |
| assert(!value_is_offset); |
| assert(value == m_base); |
| |
| // Create sections if they haven't been created already. |
| GetModule()->GetSectionList(); |
| assert(m_sections_up->GetNumSections(0) == 1); |
| |
| target.GetSectionLoadList().SetSectionLoadAddress( |
| m_sections_up->GetSectionAtIndex(0), m_base); |
| return true; |
| } |
| |
| void ObjectFilePlaceholder::Dump(lldb_private::Stream *s) { |
| s->Format("Placeholder object file for {0} loaded at [{1:x}-{2:x})\n", |
| GetFileSpec(), m_base, m_base + m_size); |
| } |