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# `object` Change Log
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## 0.32.0
Released 2023/08/12.
### Breaking changes
* Changed `read::elf::Note::name` to exclude all trailing null bytes.
* Updated dependencies, and changed some optional dependencies to use the `dep:`
feature syntax.
### 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`.
* Fixed Mach-O section alignment padding in `write::Object`.
* Changed `read::File` to an enum.
### Added
* Added `elf::ELF_NOTE_GO`, `elf::NT_GO_BUILD_ID`, and `read::elf::Note::name_bytes`.
* Added `read::FileKind::CoffImport` and `read::coff::ImportFile`.
* Added `Architecture::Csky` and basic ELF support for C-SKY.
* Added `read::elf::ElfSymbol::raw_symbol`.
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## 0.30.4
Released 2023/06/05.
### Changed
* Fixed Mach-O section alignment padding in `write::Object`.
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## 0.31.1
Released 2023/05/09.
### Changed
* Fixed address for global symbols in `read::wasm`.
* Fixed writing of alignment for empty ELF sections.
### Added
* Added more `elf::GNU_PROPERTY_*` definitions.
Added `read::elf::note::gnu_properties`, `write::StandardSection::GnuProperty`,
and `write::Object::add_elf_gnu_property_u32`.
* Added Mach-O support for `Architecture::Aarch64_Ilp32`.
* Added `Architecture::Wasm64`.
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## 0.31.0
Released 2023/04/14.
### Breaking changes
* Added a type parameter on existing COFF types to support reading COFF `/bigobj` files.
* 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.
* Changed `pe::Guid` to a single array, and added methods to read the individual fields.
* Added `Symbol` type parameter to `SymbolFlags` to support `SymbolFlags::Xcoff`.
### Changed
* Fix alignment when reserving zero length sections in `write::elf::Write::reserve`.
* Validate command size in `read::macho::LoadCommandIterator`.
* Handle invalid alignment in `read::macho::MachoSection::align`.
* Accept `SymbolKind::Unknown` in `write::Object::macho_write`.
* Updated `wasmparser` dependency.
### Added
* Added more `elf::EF_RISCV_*` definitions.
* Added `read::elf::SectionHeader::gnu_attributes` and associated types.
Added `.gnu.attributes` support to `write::elf::Writer`.
* Added `write::Object::set_macho_build_version`.
* Added `read::FileKind::Xcoff32`, `read::FileKind::Xcoff64`, `read::XcoffFile`,
and associated types.
Added XCOFF support to `write::Object`.
* Added `read::FileKind::CoffBig`, `read::pe::CoffHeader` and `read::pe::ImageSymbol`.
* Added `elf::PT_GNU_PROPERTY`.
* Added `elf::ELFCOMPRESS_ZSTD`, `read::CompressionFormat::Zstandard`,
and Zstandard decompression in `read::CompressedData::decompress` using
the `ruzstd` crate.
* Added `read::elf::NoteIterator::new`.
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## 0.30.3
Released 2023/01/23.
### Added
* Added `SectionKind::ReadOnlyDataWithRel` for writing.
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## 0.30.2
Released 2023/01/11.
### Added
* Added more ELF constants for AVR flags and relocations.
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## 0.30.1
Released 2023/01/04.
### Changed
* Changed `read::ElfSymbol::kind` to handle `STT_NOTYPE` and `STT_GNU_IFUNC`.
### Added
* Added `read::CoffSymbol::raw_symbol`.
* Added ELF support for Solana Binary Format.
* Added ELF support for AArch64 ILP32.
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## 0.30.0
Released 2022/11/22.
### Breaking changes
* The minimum supported rust version for the `read` feature has changed to 1.52.0.
* The minimum supported rust version for the `write` feature has changed to 1.61.0.
* Fixed endian handling in `read::elf::SymbolTable::shndx`.
* Fixed endian handling in `read::pe::ResourceName`.
* Changed definitions for LoongArch ELF header flags.
### Changed
* Fixed parsing of multiple debug directory entries in `read::pe::PeFile::pdb_info`.
* Changed the section name used when writing COFF stub symbols.
### Added
* Added `read::pe::DataDirectories::delay_load_import_table`.
* Added `read::macho::LoadCommandData::raw_data`.
* Added ELF relocations for LoongArch ps ABI v2.
* Added PowerPC support for Mach-O.
* Added support for reading the AIX big archive format.
* Added support for `RelocationEncoding::AArch64Call` when writing Mach-O files.
* Added support for `RelocationKind::Relative` when writing RISC-V ELF files.
* Added Xtensa architecture support for ELF.
* Added `read::pe::ResourceName::raw_data`.
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## 0.29.0
Released 2022/06/22.
### Breaking changes
* The `write` feature now has a minimum supported rust version of 1.56.1.
* Added `os_abi` and `abi_version` fields to `FileFlags::Elf`.
### Changed
* Fixed handling of empty symbol tables in `read::elf::ElfFile::symbol_table` and
`read::elf::ElfFile::dynamic_symbol_table`.
### Added
* Added more `ELF_OSABI_*` constants.
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## 0.28.4
Released 2022/05/09.
### Added
* Added `read::pe::DataDirectories::resource_directory`.
* Added PE support for more ARM relocations.
* Added support for `Architecture::LoongArch64`.
* Added `elf::EF_MIPS_ABI` and associated constants.
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## 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.
### Added
* Added `pe::ImageDataDirectory::file_range`, `read::pe::SectionTable::pe_file_range_at`
and `pe::ImageSectionHeader::pe_file_range_at`.
* Added `write::Object::add_coff_exports`.
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## 0.28.2
Released 2022/01/09.
### Changed
* Ignored errors for the Wasm extended name section in `read::WasmFile::parse`.
* Ignored errors for the COFF symbol table in `read::PeFile::parse`.
* Fixed handling of `SectionFlags::Coff` in `write::Object::coff_write`.
### Added
* Added `read::ObjectSegment::flags`.
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## 0.28.1
Released 2021/12/12.
### Changed
* Fixed `read::elf::SymbolTable::shndx_section`.
* Fixed build warnings.
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## 0.28.0
Released 2021/12/12.
### Breaking changes
* `write_core` feature no longer enables `std` support. Use `write_std` instead.
* Multiple changes related to Mach-O split dyld cache support.
### Added
* Added `write::pe::Writer::write_file_align`.
* Added support for Mach-O split dyld cache.
* Added support for `IMAGE_SCN_LNK_NRELOC_OVFL` when reading and writing COFF.
* Added `write::elf::Writer::reserve_null_symbol_index`.
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## 0.27.1
Released 2021/10/22.
### Changed
* Fixed build error with older Rust versions due to cargo resolver version.
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## 0.27.0
Released 2021/10/17.
### Breaking changes
* Changed `read::elf` to use `SectionIndex` instead of `usize` in more places.
* Changed some `read::elf` section methods to additionally return the linked section index.
* Changed `read::pe::ImageNtHeaders::parse` to return `DataDirectories` instead of a slice.
* Deleted `value` parameter for `write:WritableBuffer::resize`.
* Changed `write::Object` and `write::Section` to use `Cow` for section data.
This added a lifetime parameter, which existing users can set to `'static`.
### Changed
* Fixed parsing when PE import directory has zero size.
* Fixed parsing when PE import directory has zero for original first thunk.
* Fixed parsing when PE export directory has zero number of names.
* Fixed parsing when PE export directory has zero number of names and addresses.
* Fixed parsing when PE sections are contiguous.
* Fixed `std` feature for `indexmap` dependency.
* Fixed overflow in COFF section name offset parsing.
### Added
* Added `name_bytes` methods to unified `read` traits.
* Added `read::Object::kind`.
* Added `read::elf::VersionTable` and related helpers.
* Added `read::elf::SectionTable::dynamic` and related helpers.
* Added `read::coff::SectionTable::max_section_file_offset`.
* Added `read::pe::ExportTable` and related helpers.
* Added `read::pe::ImportTable` and related helpers.
* Added `read::pe::DataDirectories` and related helpers.
* Added `read::pe::RichHeaderInfo` and related helpers.
* Added `read::pe::RelocationBlocks` and related helpers.
* Added `write::elf::Writer`.
* Added `write::pe::Writer`.
* Added `write::Section::data/data_mut`.
* Added `write::Object::write_stream`.
* Added MIPSr6 ELF header flag definitions.
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## 0.26.2
Released 2021/08/28.
### Added
* Added support for 64-bit symbol table names to `read::archive`.
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## 0.26.1
Released 2021/08/19.
### Changed
* Activate `memchr`'s `rustc-dep-of-std` feature
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## 0.26.0
Released 2021/07/26.
### Breaking changes
* Changed `ReadRef::read_bytes_at_until` to accept a range parameter.
* Added `ReadRef` type parameter to `read::StringTable` and types that
contain it. String table entries are now only read as required.
* Changed result type of `read::elf::SectionHeader::data` and `data_as_array`.
* Moved `pod::WritableBuffer` to `write::WritableBuffer`.
Renamed `WritableBuffer::extend` to `write_bytes`.
Added more provided methods to `WritableBuffer`.
* Moved `pod::Bytes` to `read::Bytes`.
* Added `is_mips64el` parameter to `elf::Rela64::r_info/set_r_info`.
### Changed
* Removed `alloc` dependency when no features are enabled.
### Added
* Added `read::pe::PeFile` methods: `section_table`, `data_directory`, and `data`.
* Added more ELF definitions.
* Added `read::elf::SectionTable` methods for hash tables and symbol version
information.
* Added PE RISC-V definitions.
* Added `WritableBuffer` implementation for `Vec`.
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## 0.25.3
Released 2021/06/12.
### Added
* Added `RelocationEncoding::AArch64Call`.
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## 0.25.2
Released 2021/06/04.
### Added
* Added `Architecture::X86_64_X32`.
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## 0.25.1
Released 2021/06/03.
### Changed
* write: Fix choice of `SHT_REL` or `SHT_RELA` for most architectures.
* write: Fix relocation encoding for MIPS64EL.
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## 0.25.0
Released 2021/06/02.
### Breaking changes
* Added `non_exhaustive` to most public enums.
* `MachHeader::parse` and `MachHeader::load_commands` now require a header offset.
* Added `ReadRef::read_bytes_at_until`.
* `PeFile::entry`, `PeSection::address` and `PeSegment::address` now return a
virtual address instead of a RVA.
### Added
* Added `pod::from_bytes_mut`, `pod::slice_from_bytes_mut`, `pod::bytes_of_mut`,
and `pod::bytes_of_slice_mut`.
* Added `Object::pdb_info`.
* Added `read::macho::DyldCache`, other associated definitions,
and support for these in the examples.
* Added more architecture support.
* Derive more traits for enums.
* Added `Object::relative_address_base`.
### Changed
* Improved performance for string parsing.
* `objdump` example allows selecting container members.