object 0.31.1

A unified interface for reading and writing object file formats.
Documentation
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# `object` Change Log

--------------------------------------------------------------------------------

## 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