| //===-- Section.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 "lldb/Core/Section.h" |
| #include "lldb/Core/Address.h" |
| #include "lldb/Core/Module.h" |
| #include "lldb/Symbol/ObjectFile.h" |
| #include "lldb/Target/SectionLoadList.h" |
| #include "lldb/Target/Target.h" |
| #include "lldb/Utility/FileSpec.h" |
| #include "lldb/Utility/VMRange.h" |
| |
| #include <cinttypes> |
| #include <limits> |
| #include <utility> |
| |
| namespace lldb_private { |
| class DataExtractor; |
| } |
| using namespace lldb; |
| using namespace lldb_private; |
| |
| const char *Section::GetTypeAsCString() const { |
| switch (m_type) { |
| case eSectionTypeInvalid: |
| return "invalid"; |
| case eSectionTypeCode: |
| return "code"; |
| case eSectionTypeContainer: |
| return "container"; |
| case eSectionTypeData: |
| return "data"; |
| case eSectionTypeDataCString: |
| return "data-cstr"; |
| case eSectionTypeDataCStringPointers: |
| return "data-cstr-ptr"; |
| case eSectionTypeDataSymbolAddress: |
| return "data-symbol-addr"; |
| case eSectionTypeData4: |
| return "data-4-byte"; |
| case eSectionTypeData8: |
| return "data-8-byte"; |
| case eSectionTypeData16: |
| return "data-16-byte"; |
| case eSectionTypeDataPointers: |
| return "data-ptrs"; |
| case eSectionTypeDebug: |
| return "debug"; |
| case eSectionTypeZeroFill: |
| return "zero-fill"; |
| case eSectionTypeDataObjCMessageRefs: |
| return "objc-message-refs"; |
| case eSectionTypeDataObjCCFStrings: |
| return "objc-cfstrings"; |
| case eSectionTypeDWARFDebugAbbrev: |
| return "dwarf-abbrev"; |
| case eSectionTypeDWARFDebugAbbrevDwo: |
| return "dwarf-abbrev-dwo"; |
| case eSectionTypeDWARFDebugAddr: |
| return "dwarf-addr"; |
| case eSectionTypeDWARFDebugAranges: |
| return "dwarf-aranges"; |
| case eSectionTypeDWARFDebugCuIndex: |
| return "dwarf-cu-index"; |
| case eSectionTypeDWARFDebugTuIndex: |
| return "dwarf-tu-index"; |
| case eSectionTypeDWARFDebugFrame: |
| return "dwarf-frame"; |
| case eSectionTypeDWARFDebugInfo: |
| return "dwarf-info"; |
| case eSectionTypeDWARFDebugInfoDwo: |
| return "dwarf-info-dwo"; |
| case eSectionTypeDWARFDebugLine: |
| return "dwarf-line"; |
| case eSectionTypeDWARFDebugLineStr: |
| return "dwarf-line-str"; |
| case eSectionTypeDWARFDebugLoc: |
| return "dwarf-loc"; |
| case eSectionTypeDWARFDebugLocDwo: |
| return "dwarf-loc-dwo"; |
| case eSectionTypeDWARFDebugLocLists: |
| return "dwarf-loclists"; |
| case eSectionTypeDWARFDebugLocListsDwo: |
| return "dwarf-loclists-dwo"; |
| case eSectionTypeDWARFDebugMacInfo: |
| return "dwarf-macinfo"; |
| case eSectionTypeDWARFDebugMacro: |
| return "dwarf-macro"; |
| case eSectionTypeDWARFDebugPubNames: |
| return "dwarf-pubnames"; |
| case eSectionTypeDWARFDebugPubTypes: |
| return "dwarf-pubtypes"; |
| case eSectionTypeDWARFDebugRanges: |
| return "dwarf-ranges"; |
| case eSectionTypeDWARFDebugRngLists: |
| return "dwarf-rnglists"; |
| case eSectionTypeDWARFDebugRngListsDwo: |
| return "dwarf-rnglists-dwo"; |
| case eSectionTypeDWARFDebugStr: |
| return "dwarf-str"; |
| case eSectionTypeDWARFDebugStrDwo: |
| return "dwarf-str-dwo"; |
| case eSectionTypeDWARFDebugStrOffsets: |
| return "dwarf-str-offsets"; |
| case eSectionTypeDWARFDebugStrOffsetsDwo: |
| return "dwarf-str-offsets-dwo"; |
| case eSectionTypeDWARFDebugTypes: |
| return "dwarf-types"; |
| case eSectionTypeDWARFDebugTypesDwo: |
| return "dwarf-types-dwo"; |
| case eSectionTypeDWARFDebugNames: |
| return "dwarf-names"; |
| case eSectionTypeELFSymbolTable: |
| return "elf-symbol-table"; |
| case eSectionTypeELFDynamicSymbols: |
| return "elf-dynamic-symbols"; |
| case eSectionTypeELFRelocationEntries: |
| return "elf-relocation-entries"; |
| case eSectionTypeELFDynamicLinkInfo: |
| return "elf-dynamic-link-info"; |
| case eSectionTypeDWARFAppleNames: |
| return "apple-names"; |
| case eSectionTypeDWARFAppleTypes: |
| return "apple-types"; |
| case eSectionTypeDWARFAppleNamespaces: |
| return "apple-namespaces"; |
| case eSectionTypeDWARFAppleObjC: |
| return "apple-objc"; |
| case eSectionTypeEHFrame: |
| return "eh-frame"; |
| case eSectionTypeARMexidx: |
| return "ARM.exidx"; |
| case eSectionTypeARMextab: |
| return "ARM.extab"; |
| case eSectionTypeCompactUnwind: |
| return "compact-unwind"; |
| case eSectionTypeGoSymtab: |
| return "go-symtab"; |
| case eSectionTypeAbsoluteAddress: |
| return "absolute"; |
| case eSectionTypeDWARFGNUDebugAltLink: |
| return "dwarf-gnu-debugaltlink"; |
| case eSectionTypeOther: |
| return "regular"; |
| } |
| return "unknown"; |
| } |
| |
| Section::Section(const ModuleSP &module_sp, ObjectFile *obj_file, |
| user_id_t sect_id, ConstString name, |
| SectionType sect_type, addr_t file_addr, addr_t byte_size, |
| lldb::offset_t file_offset, lldb::offset_t file_size, |
| uint32_t log2align, uint32_t flags, |
| uint32_t target_byte_size /*=1*/) |
| : ModuleChild(module_sp), UserID(sect_id), Flags(flags), |
| m_obj_file(obj_file), m_type(sect_type), m_parent_wp(), m_name(name), |
| m_file_addr(file_addr), m_byte_size(byte_size), |
| m_file_offset(file_offset), m_file_size(file_size), |
| m_log2align(log2align), m_children(), m_fake(false), m_encrypted(false), |
| m_thread_specific(false), m_readable(false), m_writable(false), |
| m_executable(false), m_relocated(false), m_target_byte_size(target_byte_size) { |
| // printf ("Section::Section(%p): module=%p, sect_id = 0x%16.16" PRIx64 ", |
| // addr=[0x%16.16" PRIx64 " - 0x%16.16" PRIx64 "), file [0x%16.16" PRIx64 " |
| // - 0x%16.16" PRIx64 "), flags = 0x%8.8x, name = %s\n", |
| // this, module_sp.get(), sect_id, file_addr, file_addr + |
| // byte_size, file_offset, file_offset + file_size, flags, |
| // name.GetCString()); |
| } |
| |
| Section::Section(const lldb::SectionSP &parent_section_sp, |
| const ModuleSP &module_sp, ObjectFile *obj_file, |
| user_id_t sect_id, ConstString name, |
| SectionType sect_type, addr_t file_addr, addr_t byte_size, |
| lldb::offset_t file_offset, lldb::offset_t file_size, |
| uint32_t log2align, uint32_t flags, |
| uint32_t target_byte_size /*=1*/) |
| : ModuleChild(module_sp), UserID(sect_id), Flags(flags), |
| m_obj_file(obj_file), m_type(sect_type), m_parent_wp(), m_name(name), |
| m_file_addr(file_addr), m_byte_size(byte_size), |
| m_file_offset(file_offset), m_file_size(file_size), |
| m_log2align(log2align), m_children(), m_fake(false), m_encrypted(false), |
| m_thread_specific(false), m_readable(false), m_writable(false), |
| m_executable(false), m_relocated(false), m_target_byte_size(target_byte_size) { |
| // printf ("Section::Section(%p): module=%p, sect_id = 0x%16.16" PRIx64 ", |
| // addr=[0x%16.16" PRIx64 " - 0x%16.16" PRIx64 "), file [0x%16.16" PRIx64 " |
| // - 0x%16.16" PRIx64 "), flags = 0x%8.8x, name = %s.%s\n", |
| // this, module_sp.get(), sect_id, file_addr, file_addr + |
| // byte_size, file_offset, file_offset + file_size, flags, |
| // parent_section_sp->GetName().GetCString(), name.GetCString()); |
| if (parent_section_sp) |
| m_parent_wp = parent_section_sp; |
| } |
| |
| Section::~Section() { |
| // printf ("Section::~Section(%p)\n", this); |
| } |
| |
| addr_t Section::GetFileAddress() const { |
| SectionSP parent_sp(GetParent()); |
| if (parent_sp) { |
| // This section has a parent which means m_file_addr is an offset into the |
| // parent section, so the file address for this section is the file address |
| // of the parent plus the offset |
| return parent_sp->GetFileAddress() + m_file_addr; |
| } |
| // This section has no parent, so m_file_addr is the file base address |
| return m_file_addr; |
| } |
| |
| bool Section::SetFileAddress(lldb::addr_t file_addr) { |
| SectionSP parent_sp(GetParent()); |
| if (parent_sp) { |
| if (m_file_addr >= file_addr) |
| return parent_sp->SetFileAddress(m_file_addr - file_addr); |
| return false; |
| } else { |
| // This section has no parent, so m_file_addr is the file base address |
| m_file_addr = file_addr; |
| return true; |
| } |
| } |
| |
| lldb::addr_t Section::GetOffset() const { |
| // This section has a parent which means m_file_addr is an offset. |
| SectionSP parent_sp(GetParent()); |
| if (parent_sp) |
| return m_file_addr; |
| |
| // This section has no parent, so there is no offset to be had |
| return 0; |
| } |
| |
| addr_t Section::GetLoadBaseAddress(Target *target) const { |
| addr_t load_base_addr = LLDB_INVALID_ADDRESS; |
| SectionSP parent_sp(GetParent()); |
| if (parent_sp) { |
| load_base_addr = parent_sp->GetLoadBaseAddress(target); |
| if (load_base_addr != LLDB_INVALID_ADDRESS) |
| load_base_addr += GetOffset(); |
| } |
| if (load_base_addr == LLDB_INVALID_ADDRESS) { |
| load_base_addr = target->GetSectionLoadList().GetSectionLoadAddress( |
| const_cast<Section *>(this)->shared_from_this()); |
| } |
| return load_base_addr; |
| } |
| |
| bool Section::ResolveContainedAddress(addr_t offset, Address &so_addr, |
| bool allow_section_end) const { |
| const size_t num_children = m_children.GetSize(); |
| for (size_t i = 0; i < num_children; i++) { |
| Section *child_section = m_children.GetSectionAtIndex(i).get(); |
| |
| addr_t child_offset = child_section->GetOffset(); |
| if (child_offset <= offset && |
| offset - child_offset < |
| child_section->GetByteSize() + (allow_section_end ? 1 : 0)) |
| return child_section->ResolveContainedAddress(offset - child_offset, |
| so_addr, allow_section_end); |
| } |
| so_addr.SetOffset(offset); |
| so_addr.SetSection(const_cast<Section *>(this)->shared_from_this()); |
| |
| // Ensure that there are no orphaned (i.e., moduleless) sections. |
| assert(GetModule().get()); |
| return true; |
| } |
| |
| bool Section::ContainsFileAddress(addr_t vm_addr) const { |
| const addr_t file_addr = GetFileAddress(); |
| if (file_addr != LLDB_INVALID_ADDRESS && !IsThreadSpecific()) { |
| if (file_addr <= vm_addr) { |
| const addr_t offset = (vm_addr - file_addr) * m_target_byte_size; |
| return offset < GetByteSize(); |
| } |
| } |
| return false; |
| } |
| |
| void Section::Dump(llvm::raw_ostream &s, unsigned indent, Target *target, |
| uint32_t depth) const { |
| s.indent(indent); |
| s << llvm::format("0x%8.8" PRIx64 " %-16s ", GetID(), GetTypeAsCString()); |
| bool resolved = true; |
| addr_t addr = LLDB_INVALID_ADDRESS; |
| |
| if (GetByteSize() == 0) |
| s.indent(39); |
| else { |
| if (target) |
| addr = GetLoadBaseAddress(target); |
| |
| if (addr == LLDB_INVALID_ADDRESS) { |
| if (target) |
| resolved = false; |
| addr = GetFileAddress(); |
| } |
| |
| VMRange range(addr, addr + m_byte_size); |
| range.Dump(s, 0); |
| } |
| |
| s << llvm::format("%c %c%c%c 0x%8.8" PRIx64 " 0x%8.8" PRIx64 " 0x%8.8x ", |
| resolved ? ' ' : '*', m_readable ? 'r' : '-', |
| m_writable ? 'w' : '-', m_executable ? 'x' : '-', |
| m_file_offset, m_file_size, Get()); |
| |
| DumpName(s); |
| |
| s << "\n"; |
| |
| if (depth > 0) |
| m_children.Dump(s, indent, target, false, depth - 1); |
| } |
| |
| void Section::DumpName(llvm::raw_ostream &s) const { |
| SectionSP parent_sp(GetParent()); |
| if (parent_sp) { |
| parent_sp->DumpName(s); |
| s << '.'; |
| } else { |
| // The top most section prints the module basename |
| const char *name = nullptr; |
| ModuleSP module_sp(GetModule()); |
| |
| if (m_obj_file) { |
| const FileSpec &file_spec = m_obj_file->GetFileSpec(); |
| name = file_spec.GetFilename().AsCString(); |
| } |
| if ((!name || !name[0]) && module_sp) |
| name = module_sp->GetFileSpec().GetFilename().AsCString(); |
| if (name && name[0]) |
| s << name << '.'; |
| } |
| s << m_name; |
| } |
| |
| bool Section::IsDescendant(const Section *section) { |
| if (this == section) |
| return true; |
| SectionSP parent_sp(GetParent()); |
| if (parent_sp) |
| return parent_sp->IsDescendant(section); |
| return false; |
| } |
| |
| bool Section::Slide(addr_t slide_amount, bool slide_children) { |
| if (m_file_addr != LLDB_INVALID_ADDRESS) { |
| if (slide_amount == 0) |
| return true; |
| |
| m_file_addr += slide_amount; |
| |
| if (slide_children) |
| m_children.Slide(slide_amount, slide_children); |
| |
| return true; |
| } |
| return false; |
| } |
| |
| /// Get the permissions as OR'ed bits from lldb::Permissions |
| uint32_t Section::GetPermissions() const { |
| uint32_t permissions = 0; |
| if (m_readable) |
| permissions |= ePermissionsReadable; |
| if (m_writable) |
| permissions |= ePermissionsWritable; |
| if (m_executable) |
| permissions |= ePermissionsExecutable; |
| return permissions; |
| } |
| |
| /// Set the permissions using bits OR'ed from lldb::Permissions |
| void Section::SetPermissions(uint32_t permissions) { |
| m_readable = (permissions & ePermissionsReadable) != 0; |
| m_writable = (permissions & ePermissionsWritable) != 0; |
| m_executable = (permissions & ePermissionsExecutable) != 0; |
| } |
| |
| lldb::offset_t Section::GetSectionData(void *dst, lldb::offset_t dst_len, |
| lldb::offset_t offset) { |
| if (m_obj_file) |
| return m_obj_file->ReadSectionData(this, offset, dst, dst_len); |
| return 0; |
| } |
| |
| lldb::offset_t Section::GetSectionData(DataExtractor §ion_data) { |
| if (m_obj_file) |
| return m_obj_file->ReadSectionData(this, section_data); |
| return 0; |
| } |
| |
| bool Section::ContainsOnlyDebugInfo() const { |
| switch (m_type) { |
| case eSectionTypeInvalid: |
| case eSectionTypeCode: |
| case eSectionTypeContainer: |
| case eSectionTypeData: |
| case eSectionTypeDataCString: |
| case eSectionTypeDataCStringPointers: |
| case eSectionTypeDataSymbolAddress: |
| case eSectionTypeData4: |
| case eSectionTypeData8: |
| case eSectionTypeData16: |
| case eSectionTypeDataPointers: |
| case eSectionTypeZeroFill: |
| case eSectionTypeDataObjCMessageRefs: |
| case eSectionTypeDataObjCCFStrings: |
| case eSectionTypeELFSymbolTable: |
| case eSectionTypeELFDynamicSymbols: |
| case eSectionTypeELFRelocationEntries: |
| case eSectionTypeELFDynamicLinkInfo: |
| case eSectionTypeEHFrame: |
| case eSectionTypeARMexidx: |
| case eSectionTypeARMextab: |
| case eSectionTypeCompactUnwind: |
| case eSectionTypeGoSymtab: |
| case eSectionTypeAbsoluteAddress: |
| case eSectionTypeOther: |
| return false; |
| |
| case eSectionTypeDebug: |
| case eSectionTypeDWARFDebugAbbrev: |
| case eSectionTypeDWARFDebugAbbrevDwo: |
| case eSectionTypeDWARFDebugAddr: |
| case eSectionTypeDWARFDebugAranges: |
| case eSectionTypeDWARFDebugCuIndex: |
| case eSectionTypeDWARFDebugTuIndex: |
| case eSectionTypeDWARFDebugFrame: |
| case eSectionTypeDWARFDebugInfo: |
| case eSectionTypeDWARFDebugInfoDwo: |
| case eSectionTypeDWARFDebugLine: |
| case eSectionTypeDWARFDebugLineStr: |
| case eSectionTypeDWARFDebugLoc: |
| case eSectionTypeDWARFDebugLocDwo: |
| case eSectionTypeDWARFDebugLocLists: |
| case eSectionTypeDWARFDebugLocListsDwo: |
| case eSectionTypeDWARFDebugMacInfo: |
| case eSectionTypeDWARFDebugMacro: |
| case eSectionTypeDWARFDebugPubNames: |
| case eSectionTypeDWARFDebugPubTypes: |
| case eSectionTypeDWARFDebugRanges: |
| case eSectionTypeDWARFDebugRngLists: |
| case eSectionTypeDWARFDebugRngListsDwo: |
| case eSectionTypeDWARFDebugStr: |
| case eSectionTypeDWARFDebugStrDwo: |
| case eSectionTypeDWARFDebugStrOffsets: |
| case eSectionTypeDWARFDebugStrOffsetsDwo: |
| case eSectionTypeDWARFDebugTypes: |
| case eSectionTypeDWARFDebugTypesDwo: |
| case eSectionTypeDWARFDebugNames: |
| case eSectionTypeDWARFAppleNames: |
| case eSectionTypeDWARFAppleTypes: |
| case eSectionTypeDWARFAppleNamespaces: |
| case eSectionTypeDWARFAppleObjC: |
| case eSectionTypeDWARFGNUDebugAltLink: |
| return true; |
| } |
| return false; |
| } |
| |
| |
| #pragma mark SectionList |
| |
| SectionList &SectionList::operator=(const SectionList &rhs) { |
| if (this != &rhs) |
| m_sections = rhs.m_sections; |
| return *this; |
| } |
| |
| size_t SectionList::AddSection(const lldb::SectionSP §ion_sp) { |
| if (section_sp) { |
| size_t section_index = m_sections.size(); |
| m_sections.push_back(section_sp); |
| return section_index; |
| } |
| |
| return std::numeric_limits<size_t>::max(); |
| } |
| |
| // Warning, this can be slow as it's removing items from a std::vector. |
| bool SectionList::DeleteSection(size_t idx) { |
| if (idx < m_sections.size()) { |
| m_sections.erase(m_sections.begin() + idx); |
| return true; |
| } |
| return false; |
| } |
| |
| size_t SectionList::FindSectionIndex(const Section *sect) { |
| iterator sect_iter; |
| iterator begin = m_sections.begin(); |
| iterator end = m_sections.end(); |
| for (sect_iter = begin; sect_iter != end; ++sect_iter) { |
| if (sect_iter->get() == sect) { |
| // The secton was already in this section list |
| return std::distance(begin, sect_iter); |
| } |
| } |
| return UINT32_MAX; |
| } |
| |
| size_t SectionList::AddUniqueSection(const lldb::SectionSP §_sp) { |
| size_t sect_idx = FindSectionIndex(sect_sp.get()); |
| if (sect_idx == UINT32_MAX) { |
| sect_idx = AddSection(sect_sp); |
| } |
| return sect_idx; |
| } |
| |
| bool SectionList::ReplaceSection(user_id_t sect_id, |
| const lldb::SectionSP §_sp, |
| uint32_t depth) { |
| iterator sect_iter, end = m_sections.end(); |
| for (sect_iter = m_sections.begin(); sect_iter != end; ++sect_iter) { |
| if ((*sect_iter)->GetID() == sect_id) { |
| *sect_iter = sect_sp; |
| return true; |
| } else if (depth > 0) { |
| if ((*sect_iter) |
| ->GetChildren() |
| .ReplaceSection(sect_id, sect_sp, depth - 1)) |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| size_t SectionList::GetNumSections(uint32_t depth) const { |
| size_t count = m_sections.size(); |
| if (depth > 0) { |
| const_iterator sect_iter, end = m_sections.end(); |
| for (sect_iter = m_sections.begin(); sect_iter != end; ++sect_iter) { |
| count += (*sect_iter)->GetChildren().GetNumSections(depth - 1); |
| } |
| } |
| return count; |
| } |
| |
| SectionSP SectionList::GetSectionAtIndex(size_t idx) const { |
| SectionSP sect_sp; |
| if (idx < m_sections.size()) |
| sect_sp = m_sections[idx]; |
| return sect_sp; |
| } |
| |
| SectionSP |
| SectionList::FindSectionByName(ConstString section_dstr) const { |
| SectionSP sect_sp; |
| // Check if we have a valid section string |
| if (section_dstr && !m_sections.empty()) { |
| const_iterator sect_iter; |
| const_iterator end = m_sections.end(); |
| for (sect_iter = m_sections.begin(); |
| sect_iter != end && sect_sp.get() == nullptr; ++sect_iter) { |
| Section *child_section = sect_iter->get(); |
| if (child_section) { |
| if (child_section->GetName() == section_dstr) { |
| sect_sp = *sect_iter; |
| } else { |
| sect_sp = |
| child_section->GetChildren().FindSectionByName(section_dstr); |
| } |
| } |
| } |
| } |
| return sect_sp; |
| } |
| |
| SectionSP SectionList::FindSectionByID(user_id_t sect_id) const { |
| SectionSP sect_sp; |
| if (sect_id) { |
| const_iterator sect_iter; |
| const_iterator end = m_sections.end(); |
| for (sect_iter = m_sections.begin(); |
| sect_iter != end && sect_sp.get() == nullptr; ++sect_iter) { |
| if ((*sect_iter)->GetID() == sect_id) { |
| sect_sp = *sect_iter; |
| break; |
| } else { |
| sect_sp = (*sect_iter)->GetChildren().FindSectionByID(sect_id); |
| } |
| } |
| } |
| return sect_sp; |
| } |
| |
| SectionSP SectionList::FindSectionByType(SectionType sect_type, |
| bool check_children, |
| size_t start_idx) const { |
| SectionSP sect_sp; |
| size_t num_sections = m_sections.size(); |
| for (size_t idx = start_idx; idx < num_sections; ++idx) { |
| if (m_sections[idx]->GetType() == sect_type) { |
| sect_sp = m_sections[idx]; |
| break; |
| } else if (check_children) { |
| sect_sp = m_sections[idx]->GetChildren().FindSectionByType( |
| sect_type, check_children, 0); |
| if (sect_sp) |
| break; |
| } |
| } |
| return sect_sp; |
| } |
| |
| SectionSP SectionList::FindSectionContainingFileAddress(addr_t vm_addr, |
| uint32_t depth) const { |
| SectionSP sect_sp; |
| const_iterator sect_iter; |
| const_iterator end = m_sections.end(); |
| for (sect_iter = m_sections.begin(); |
| sect_iter != end && sect_sp.get() == nullptr; ++sect_iter) { |
| Section *sect = sect_iter->get(); |
| if (sect->ContainsFileAddress(vm_addr)) { |
| // The file address is in this section. We need to make sure one of our |
| // child sections doesn't contain this address as well as obeying the |
| // depth limit that was passed in. |
| if (depth > 0) |
| sect_sp = sect->GetChildren().FindSectionContainingFileAddress( |
| vm_addr, depth - 1); |
| |
| if (sect_sp.get() == nullptr && !sect->IsFake()) |
| sect_sp = *sect_iter; |
| } |
| } |
| return sect_sp; |
| } |
| |
| bool SectionList::ContainsSection(user_id_t sect_id) const { |
| return FindSectionByID(sect_id).get() != nullptr; |
| } |
| |
| void SectionList::Dump(llvm::raw_ostream &s, unsigned indent, Target *target, |
| bool show_header, uint32_t depth) const { |
| bool target_has_loaded_sections = |
| target && !target->GetSectionLoadList().IsEmpty(); |
| if (show_header && !m_sections.empty()) { |
| s.indent(indent); |
| s << llvm::formatv( |
| "SectID Type {0} Address " |
| " Perm File Off. File Size Flags " |
| " Section Name\n", |
| target_has_loaded_sections ? "Load" : "File"); |
| s.indent(indent); |
| s << "---------- ---------------- " |
| "--------------------------------------- ---- ---------- " |
| "---------- " |
| "---------- ----------------------------\n"; |
| } |
| |
| for (const auto §ion_sp : m_sections) |
| section_sp->Dump(s, indent, target_has_loaded_sections ? target : nullptr, |
| depth); |
| } |
| |
| size_t SectionList::Slide(addr_t slide_amount, bool slide_children) { |
| size_t count = 0; |
| const_iterator pos, end = m_sections.end(); |
| for (pos = m_sections.begin(); pos != end; ++pos) { |
| if ((*pos)->Slide(slide_amount, slide_children)) |
| ++count; |
| } |
| return count; |
| } |
| |
| uint64_t SectionList::GetDebugInfoSize() const { |
| uint64_t debug_info_size = 0; |
| for (const auto §ion : m_sections) { |
| const SectionList &sub_sections = section->GetChildren(); |
| if (sub_sections.GetSize() > 0) |
| debug_info_size += sub_sections.GetDebugInfoSize(); |
| else if (section->ContainsOnlyDebugInfo()) |
| debug_info_size += section->GetFileSize(); |
| } |
| return debug_info_size; |
| } |
