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# `object` Change Log
--------------------------------------------------------------------------------
## 0.32.2
Released 2023/12/24.
### Added
* Added ELF relocations for LoongArch ABI v2.20.
[#578](https://github.com/gimli-rs/object/pull/578)
[#589](https://github.com/gimli-rs/object/pull/589)
* Added ELF support for SHARC.
[#593](https://github.com/gimli-rs/object/pull/593)
* Added `write::coff::Writer`.
[#595](https://github.com/gimli-rs/object/pull/595)
* Added `SubArchitecture::Arm64EC` support for PE/COFF.
[#607](https://github.com/gimli-rs/object/pull/607)
* Added `SubArchitecture::Arm64E` support for Mach-O.
[#614](https://github.com/gimli-rs/object/pull/614)
* Added `read::Object::symbol_by_name` and `read::Object::symbol_by_name_bytes`.
[#602](https://github.com/gimli-rs/object/pull/602)
* Added more functions to the low level API in `read::xcoff`.
[#608](https://github.com/gimli-rs/object/pull/608)
* Added more functions to the low level API in `read::macho`.
[#584](https://github.com/gimli-rs/object/pull/584)
### Changed
* Fixes for AArch64 relocation addends for Mach-O.
[#581](https://github.com/gimli-rs/object/pull/581)
* Changes to `write::Object` output for Mach-O, including the addition of a `LC_DYSYMTAB` load command.
[#584](https://github.com/gimli-rs/object/pull/584)
* Changed `write::Object` to always use `R_X86_64_PLT32` for x86-64 branches for ELF.
[#590](https://github.com/gimli-rs/object/pull/590)
* Fixed `read::ObjectSymbol::kind` for undefined section symbols for COFF.
[#592](https://github.com/gimli-rs/object/pull/592)
* Fixed `write::Object` to accept undefined section symbols for COFF.
[#594](https://github.com/gimli-rs/object/pull/594)
* Improved parsing of auxiliary section symbols for COFF.
[#603](https://github.com/gimli-rs/object/pull/603)
* Improved the selection of symbols for `read::Object::symbol_map`.
This includes changes to `read::Symbol::is_definition`.
[#601](https://github.com/gimli-rs/object/pull/601)
[#606](https://github.com/gimli-rs/object/pull/606)
* Changed `read::ObjectSymbol::kind` for ELF `STT_NOTYPE` symbols to `SymbolKind::Unknown`.
[#604](https://github.com/gimli-rs/object/pull/604)
* Changed `read::ObjectSymbol::scope` for XCOFF `C_HIDEXT` symbols to `SymbolScope::Compilation`.
[#605](https://github.com/gimli-rs/object/pull/605)
--------------------------------------------------------------------------------
## 0.32.1
Released 2023/09/03.
### Added
* Added `write::Object::set_macho_cpu_subtype`.
[#574](https://github.com/gimli-rs/object/pull/574)
--------------------------------------------------------------------------------
## 0.32.0
Released 2023/08/12.
### Breaking changes
* Changed `read::elf::Note::name` to exclude all trailing null bytes.
[#549](https://github.com/gimli-rs/object/pull/549)
* Updated dependencies, and changed some optional dependencies to use the `dep:`
feature syntax.
[#558](https://github.com/gimli-rs/object/pull/558)
[#569](https://github.com/gimli-rs/object/pull/569)
### Changed
* The minimum supported rust version for the `read` feature and its dependencies
has changed to 1.60.0.
* The minimum supported rust version for other features has changed to 1.65.0.
* Changed many definitions from `static` to `const`.
[#549](https://github.com/gimli-rs/object/pull/549)
* Fixed Mach-O section alignment padding in `write::Object`.
[#553](https://github.com/gimli-rs/object/pull/553)
* Changed `read::File` to an enum.
[#564](https://github.com/gimli-rs/object/pull/564)
### Added
* Added `elf::ELF_NOTE_GO`, `elf::NT_GO_BUILD_ID`, and `read::elf::Note::name_bytes`.
[#549](https://github.com/gimli-rs/object/pull/549)
* Added `read::FileKind::CoffImport` and `read::coff::ImportFile`.
[#555](https://github.com/gimli-rs/object/pull/555)
[#556](https://github.com/gimli-rs/object/pull/556)
* Added `Architecture::Csky` and basic ELF support for C-SKY.
[#561](https://github.com/gimli-rs/object/pull/561)
* Added `read::elf::ElfSymbol::raw_symbol`.
[#562](https://github.com/gimli-rs/object/pull/562)
--------------------------------------------------------------------------------
## 0.30.4
Released 2023/06/05.
### Changed
* Fixed Mach-O section alignment padding in `write::Object`.
[#553](https://github.com/gimli-rs/object/pull/553)
--------------------------------------------------------------------------------
## 0.31.1
Released 2023/05/09.
### Changed
* Fixed address for global symbols in `read::wasm`.
[#539](https://github.com/gimli-rs/object/pull/539)
* Fixed writing of alignment for empty ELF sections.
[#540](https://github.com/gimli-rs/object/pull/540)
### Added
* Added more `elf::GNU_PROPERTY_*` definitions.
Added `read::elf::note::gnu_properties`, `write::StandardSection::GnuProperty`,
and `write::Object::add_elf_gnu_property_u32`.
[#537](https://github.com/gimli-rs/object/pull/537)
[#541](https://github.com/gimli-rs/object/pull/541)
* Added Mach-O support for `Architecture::Aarch64_Ilp32`.
[#542](https://github.com/gimli-rs/object/pull/542)
[#545](https://github.com/gimli-rs/object/pull/545)
* Added `Architecture::Wasm64`.
[#543](https://github.com/gimli-rs/object/pull/543)
--------------------------------------------------------------------------------
## 0.31.0
Released 2023/04/14.
### Breaking changes
* Added a type parameter on existing COFF types to support reading COFF `/bigobj` files.
[#502](https://github.com/gimli-rs/object/pull/502)
* Changed PE symbols to support COFF `/bigobj`.
Changed `pe::IMAGE_SYM_*` to `i32`.
Changed `pe::ImageSymbolEx::section_number` to `I32Bytes`.
Deleted a number of methods from `pe::ImageSymbol`.
Use the `read::pe::ImageSymbol` trait instead.
[#502](https://github.com/gimli-rs/object/pull/502)
* Changed `pe::Guid` to a single array, and added methods to read the individual fields.
[#502](https://github.com/gimli-rs/object/pull/502)
* Added `Symbol` type parameter to `SymbolFlags` to support `SymbolFlags::Xcoff`.
[#527](https://github.com/gimli-rs/object/pull/527)
### Changed
* Fix alignment when reserving zero length sections in `write::elf::Write::reserve`.
[#514](https://github.com/gimli-rs/object/pull/514)
* Validate command size in `read::macho::LoadCommandIterator`.
[#516](https://github.com/gimli-rs/object/pull/516)
* Handle invalid alignment in `read::macho::MachoSection::align`.
[#516](https://github.com/gimli-rs/object/pull/516)
* Accept `SymbolKind::Unknown` in `write::Object::macho_write`.
[#519](https://github.com/gimli-rs/object/pull/519)
* Updated `wasmparser` dependency.
[#528](https://github.com/gimli-rs/object/pull/528)
### Added
* Added more `elf::EF_RISCV_*` definitions.
[#507](https://github.com/gimli-rs/object/pull/507)
* Added `read::elf::SectionHeader::gnu_attributes` and associated types.
Added `.gnu.attributes` support to `write::elf::Writer`.
[#509](https://github.com/gimli-rs/object/pull/509)
[#525](https://github.com/gimli-rs/object/pull/525)
* Added `write::Object::set_macho_build_version`.
[#524](https://github.com/gimli-rs/object/pull/524)
* Added `read::FileKind::Xcoff32`, `read::FileKind::Xcoff64`, `read::XcoffFile`,
and associated types.
Added XCOFF support to `write::Object`.
[#469](https://github.com/gimli-rs/object/pull/469)
[#476](https://github.com/gimli-rs/object/pull/476)
[#477](https://github.com/gimli-rs/object/pull/477)
[#482](https://github.com/gimli-rs/object/pull/482)
[#484](https://github.com/gimli-rs/object/pull/484)
[#486](https://github.com/gimli-rs/object/pull/486)
[#527](https://github.com/gimli-rs/object/pull/527)
* Added `read::FileKind::CoffBig`, `read::pe::CoffHeader` and `read::pe::ImageSymbol`.
[#502](https://github.com/gimli-rs/object/pull/502)
* Added `elf::PT_GNU_PROPERTY`.
[#530](https://github.com/gimli-rs/object/pull/530)
* Added `elf::ELFCOMPRESS_ZSTD`, `read::CompressionFormat::Zstandard`,
and Zstandard decompression in `read::CompressedData::decompress` using
the `ruzstd` crate.
[#532](https://github.com/gimli-rs/object/pull/532)
* Added `read::elf::NoteIterator::new`.
[#533](https://github.com/gimli-rs/object/pull/533)
--------------------------------------------------------------------------------
## 0.30.3
Released 2023/01/23.
### Added
* Added `SectionKind::ReadOnlyDataWithRel` for writing.
[#504](https://github.com/gimli-rs/object/pull/504)
--------------------------------------------------------------------------------
## 0.30.2
Released 2023/01/11.
### Added
* Added more ELF constants for AVR flags and relocations.
[#500](https://github.com/gimli-rs/object/pull/500)
--------------------------------------------------------------------------------
## 0.30.1
Released 2023/01/04.
### Changed
* Changed `read::ElfSymbol::kind` to handle `STT_NOTYPE` and `STT_GNU_IFUNC`.
[#498](https://github.com/gimli-rs/object/pull/498)
### Added
* Added `read::CoffSymbol::raw_symbol`.
[#494](https://github.com/gimli-rs/object/pull/494)
* Added ELF support for Solana Binary Format.
[#491](https://github.com/gimli-rs/object/pull/491)
* Added ELF support for AArch64 ILP32.
[#497](https://github.com/gimli-rs/object/pull/497)
--------------------------------------------------------------------------------
## 0.30.0
Released 2022/11/22.
### Breaking changes
* The minimum supported rust version for the `read` feature has changed to 1.52.0.
[#458](https://github.com/gimli-rs/object/pull/458)
* The minimum supported rust version for the `write` feature has changed to 1.61.0.
* Fixed endian handling in `read::elf::SymbolTable::shndx`.
[#458](https://github.com/gimli-rs/object/pull/458)
* Fixed endian handling in `read::pe::ResourceName`.
[#458](https://github.com/gimli-rs/object/pull/458)
* Changed definitions for LoongArch ELF header flags.
[#483](https://github.com/gimli-rs/object/pull/483)
### Changed
* Fixed parsing of multiple debug directory entries in `read::pe::PeFile::pdb_info`.
[#451](https://github.com/gimli-rs/object/pull/451)
* Changed the section name used when writing COFF stub symbols.
[#475](https://github.com/gimli-rs/object/pull/475)
### Added
* Added `read::pe::DataDirectories::delay_load_import_table`.
[#448](https://github.com/gimli-rs/object/pull/448)
* Added `read::macho::LoadCommandData::raw_data`.
[#449](https://github.com/gimli-rs/object/pull/449)
* Added ELF relocations for LoongArch ps ABI v2.
[#450](https://github.com/gimli-rs/object/pull/450)
* Added PowerPC support for Mach-O.
[#460](https://github.com/gimli-rs/object/pull/460)
* Added support for reading the AIX big archive format.
[#462](https://github.com/gimli-rs/object/pull/462)
[#467](https://github.com/gimli-rs/object/pull/467)
[#473](https://github.com/gimli-rs/object/pull/473)
* Added support for `RelocationEncoding::AArch64Call` when writing Mach-O files.
[#465](https://github.com/gimli-rs/object/pull/465)
* Added support for `RelocationKind::Relative` when writing RISC-V ELF files.
[#470](https://github.com/gimli-rs/object/pull/470)
* Added Xtensa architecture support for ELF.
[#481](https://github.com/gimli-rs/object/pull/481)
* Added `read::pe::ResourceName::raw_data`.
[#487](https://github.com/gimli-rs/object/pull/487)
--------------------------------------------------------------------------------
## 0.29.0
Released 2022/06/22.
### Breaking changes
* The `write` feature now has a minimum supported rust version of 1.56.1.
[#444](https://github.com/gimli-rs/object/pull/444)
* Added `os_abi` and `abi_version` fields to `FileFlags::Elf`.
[#438](https://github.com/gimli-rs/object/pull/438)
[#441](https://github.com/gimli-rs/object/pull/441)
### Changed
* Fixed handling of empty symbol tables in `read::elf::ElfFile::symbol_table` and
`read::elf::ElfFile::dynamic_symbol_table`.
[#443](https://github.com/gimli-rs/object/pull/443)
### Added
* Added more `ELF_OSABI_*` constants.
[#439](https://github.com/gimli-rs/object/pull/439)
--------------------------------------------------------------------------------
## 0.28.4
Released 2022/05/09.
### Added
* Added `read::pe::DataDirectories::resource_directory`.
[#425](https://github.com/gimli-rs/object/pull/425)
[#427](https://github.com/gimli-rs/object/pull/427)
* Added PE support for more ARM relocations.
[#428](https://github.com/gimli-rs/object/pull/428)
* Added support for `Architecture::LoongArch64`.
[#430](https://github.com/gimli-rs/object/pull/430)
[#432](https://github.com/gimli-rs/object/pull/432)
* Added `elf::EF_MIPS_ABI` and associated constants.
[#433](https://github.com/gimli-rs/object/pull/433)
--------------------------------------------------------------------------------
## 0.28.3
Released 2022/01/19.
### Changed
* For the Mach-O support in `write::Object`, accept `RelocationKind::MachO` for all
architectures, and accept `RelocationKind::Absolute` for ARM64.
[#422](https://github.com/gimli-rs/object/pull/422)
### Added
* Added `pe::ImageDataDirectory::file_range`, `read::pe::SectionTable::pe_file_range_at`
and `pe::ImageSectionHeader::pe_file_range_at`.
[#421](https://github.com/gimli-rs/object/pull/421)
* Added `write::Object::add_coff_exports`.
[#423](https://github.com/gimli-rs/object/pull/423)
--------------------------------------------------------------------------------
## 0.28.2
Released 2022/01/09.
### Changed
* Ignored errors for the Wasm extended name section in `read::WasmFile::parse`.
[#408](https://github.com/gimli-rs/object/pull/408)
* Ignored errors for the COFF symbol table in `read::PeFile::parse`.
[#410](https://github.com/gimli-rs/object/pull/410)
* Fixed handling of `SectionFlags::Coff` in `write::Object::coff_write`.
[#412](https://github.com/gimli-rs/object/pull/412)
### Added
* Added `read::ObjectSegment::flags`.
[#416](https://github.com/gimli-rs/object/pull/416)
[#418](https://github.com/gimli-rs/object/pull/418)
--------------------------------------------------------------------------------
## 0.28.1
Released 2021/12/12.
### Changed
* Fixed `read::elf::SymbolTable::shndx_section`.
[#405](https://github.com/gimli-rs/object/pull/405)
* Fixed build warnings.
[#405](https://github.com/gimli-rs/object/pull/405)
[#406](https://github.com/gimli-rs/object/pull/406)
--------------------------------------------------------------------------------
## 0.28.0
Released 2021/12/12.
### Breaking changes
* `write_core` feature no longer enables `std` support. Use `write_std` instead.
[#400](https://github.com/gimli-rs/object/pull/400)
* Multiple changes related to Mach-O split dyld cache support.
[#398](https://github.com/gimli-rs/object/pull/398)
### Added
* Added `write::pe::Writer::write_file_align`.
[#397](https://github.com/gimli-rs/object/pull/397)
* Added support for Mach-O split dyld cache.
[#398](https://github.com/gimli-rs/object/pull/398)
* Added support for `IMAGE_SCN_LNK_NRELOC_OVFL` when reading and writing COFF.
[#399](https://github.com/gimli-rs/object/pull/399)
* Added `write::elf::Writer::reserve_null_symbol_index`.
[#402](https://github.com/gimli-rs/object/pull/402)
--------------------------------------------------------------------------------
## 0.27.1
Released 2021/10/22.
### Changed
* Fixed build error with older Rust versions due to cargo resolver version.
--------------------------------------------------------------------------------
## 0.27.0
Released 2021/10/17.
### Breaking changes
* Changed `read::elf` to use `SectionIndex` instead of `usize` in more places.
[#341](https://github.com/gimli-rs/object/pull/341)
* Changed some `read::elf` section methods to additionally return the linked section index.
[#341](https://github.com/gimli-rs/object/pull/341)
* Changed `read::pe::ImageNtHeaders::parse` to return `DataDirectories` instead of a slice.
[#357](https://github.com/gimli-rs/object/pull/357)
* Deleted `value` parameter for `write:WritableBuffer::resize`.
[#369](https://github.com/gimli-rs/object/pull/369)
* Changed `write::Object` and `write::Section` to use `Cow` for section data.
This added a lifetime parameter, which existing users can set to `'static`.
[#370](https://github.com/gimli-rs/object/pull/370)
### Changed
* Fixed parsing when PE import directory has zero size.
[#341](https://github.com/gimli-rs/object/pull/341)
* Fixed parsing when PE import directory has zero for original first thunk.
[#385](https://github.com/gimli-rs/object/pull/385)
[#387](https://github.com/gimli-rs/object/pull/387)
* Fixed parsing when PE export directory has zero number of names.
[#353](https://github.com/gimli-rs/object/pull/353)
* Fixed parsing when PE export directory has zero number of names and addresses.
[#362](https://github.com/gimli-rs/object/pull/362)
* Fixed parsing when PE sections are contiguous.
[#354](https://github.com/gimli-rs/object/pull/354)
* Fixed `std` feature for `indexmap` dependency.
[#374](https://github.com/gimli-rs/object/pull/374)
* Fixed overflow in COFF section name offset parsing.
[#390](https://github.com/gimli-rs/object/pull/390)
### Added
* Added `name_bytes` methods to unified `read` traits.
[#351](https://github.com/gimli-rs/object/pull/351)
* Added `read::Object::kind`.
[#352](https://github.com/gimli-rs/object/pull/352)
* Added `read::elf::VersionTable` and related helpers.
[#341](https://github.com/gimli-rs/object/pull/341)
* Added `read::elf::SectionTable::dynamic` and related helpers.
[#345](https://github.com/gimli-rs/object/pull/345)
* Added `read::coff::SectionTable::max_section_file_offset`.
[#344](https://github.com/gimli-rs/object/pull/344)
* Added `read::pe::ExportTable` and related helpers.
[#349](https://github.com/gimli-rs/object/pull/349)
[#353](https://github.com/gimli-rs/object/pull/353)
* Added `read::pe::ImportTable` and related helpers.
[#357](https://github.com/gimli-rs/object/pull/357)
* Added `read::pe::DataDirectories` and related helpers.
[#357](https://github.com/gimli-rs/object/pull/357)
[#384](https://github.com/gimli-rs/object/pull/384)
* Added `read::pe::RichHeaderInfo` and related helpers.
[#375](https://github.com/gimli-rs/object/pull/375)
[#379](https://github.com/gimli-rs/object/pull/379)
* Added `read::pe::RelocationBlocks` and related helpers.
[#378](https://github.com/gimli-rs/object/pull/378)
* Added `write::elf::Writer`.
[#350](https://github.com/gimli-rs/object/pull/350)
* Added `write::pe::Writer`.
[#382](https://github.com/gimli-rs/object/pull/382)
[#388](https://github.com/gimli-rs/object/pull/388)
* Added `write::Section::data/data_mut`.
[#367](https://github.com/gimli-rs/object/pull/367)
* Added `write::Object::write_stream`.
[#369](https://github.com/gimli-rs/object/pull/369)
* Added MIPSr6 ELF header flag definitions.
[#372](https://github.com/gimli-rs/object/pull/372)
--------------------------------------------------------------------------------
## 0.26.2
Released 2021/08/28.
### Added
* Added support for 64-bit symbol table names to `read::archive`.
[#366](https://github.com/gimli-rs/object/pull/366)
--------------------------------------------------------------------------------
## 0.26.1
Released 2021/08/19.
### Changed
* Activate `memchr`'s `rustc-dep-of-std` feature
[#356](https://github.com/gimli-rs/object/pull/356)
--------------------------------------------------------------------------------
## 0.26.0
Released 2021/07/26.
### Breaking changes
* Changed `ReadRef::read_bytes_at_until` to accept a range parameter.
[#326](https://github.com/gimli-rs/object/pull/326)
* Added `ReadRef` type parameter to `read::StringTable` and types that
contain it. String table entries are now only read as required.
[#326](https://github.com/gimli-rs/object/pull/326)
* Changed result type of `read::elf::SectionHeader::data` and `data_as_array`.
[#332](https://github.com/gimli-rs/object/pull/332)
* Moved `pod::WritableBuffer` to `write::WritableBuffer`.
Renamed `WritableBuffer::extend` to `write_bytes`.
Added more provided methods to `WritableBuffer`.
[#335](https://github.com/gimli-rs/object/pull/335)
* Moved `pod::Bytes` to `read::Bytes`.
[#336](https://github.com/gimli-rs/object/pull/336)
* Added `is_mips64el` parameter to `elf::Rela64::r_info/set_r_info`.
[#337](https://github.com/gimli-rs/object/pull/337)
### Changed
* Removed `alloc` dependency when no features are enabled.
[#336](https://github.com/gimli-rs/object/pull/336)
### Added
* Added `read::pe::PeFile` methods: `section_table`, `data_directory`, and `data`.
[#324](https://github.com/gimli-rs/object/pull/324)
* Added more ELF definitions.
[#332](https://github.com/gimli-rs/object/pull/332)
* Added `read::elf::SectionTable` methods for hash tables and symbol version
information.
[#332](https://github.com/gimli-rs/object/pull/332)
* Added PE RISC-V definitions.
[#333](https://github.com/gimli-rs/object/pull/333)
* Added `WritableBuffer` implementation for `Vec`.
[#335](https://github.com/gimli-rs/object/pull/335)
--------------------------------------------------------------------------------
## 0.25.3
Released 2021/06/12.
### Added
* Added `RelocationEncoding::AArch64Call`.
[#322](https://github.com/gimli-rs/object/pull/322)
--------------------------------------------------------------------------------
## 0.25.2
Released 2021/06/04.
### Added
* Added `Architecture::X86_64_X32`.
[#320](https://github.com/gimli-rs/object/pull/320)
--------------------------------------------------------------------------------
## 0.25.1
Released 2021/06/03.
### Changed
* write: Fix choice of `SHT_REL` or `SHT_RELA` for most architectures.
[#318](https://github.com/gimli-rs/object/pull/318)
* write: Fix relocation encoding for MIPS64EL.
[#318](https://github.com/gimli-rs/object/pull/318)
--------------------------------------------------------------------------------
## 0.25.0
Released 2021/06/02.
### Breaking changes
* Added `non_exhaustive` to most public enums.
[#306](https://github.com/gimli-rs/object/pull/306)
* `MachHeader::parse` and `MachHeader::load_commands` now require a header offset.
[#304](https://github.com/gimli-rs/object/pull/304)
* Added `ReadRef::read_bytes_at_until`.
[#308](https://github.com/gimli-rs/object/pull/308)
* `PeFile::entry`, `PeSection::address` and `PeSegment::address` now return a
virtual address instead of a RVA.
[#315](https://github.com/gimli-rs/object/pull/315)
### Added
* Added `pod::from_bytes_mut`, `pod::slice_from_bytes_mut`, `pod::bytes_of_mut`,
and `pod::bytes_of_slice_mut`.
[#296](https://github.com/gimli-rs/object/pull/296)
[#297](https://github.com/gimli-rs/object/pull/297)
* Added `Object::pdb_info`.
[#298](https://github.com/gimli-rs/object/pull/298)
* Added `read::macho::DyldCache`, other associated definitions,
and support for these in the examples.
[#308](https://github.com/gimli-rs/object/pull/308)
* Added more architecture support.
[#303](https://github.com/gimli-rs/object/pull/303)
[#309](https://github.com/gimli-rs/object/pull/309)
* Derive more traits for enums.
[#311](https://github.com/gimli-rs/object/pull/311)
* Added `Object::relative_address_base`.
[#315](https://github.com/gimli-rs/object/pull/315)
### Changed
* Improved performance for string parsing.
[#302](https://github.com/gimli-rs/object/pull/302)
* `objdump` example allows selecting container members.
[#308](https://github.com/gimli-rs/object/pull/308)