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addr2line Change Log

0.26.1 (2026/03/29)

Changed

  • Improved error handling in addr2line binary. #368

  • Updated object dependency to improve Loader::find_symbol. #369

0.26.0 (2026/01/11)

Breaking changes

  • Updated gimli dependency.

Changed

  • The minimum supported rust version (MSRV) is 1.88.0.

  • Updated demangle to handle C++ 17 and 20. #357

  • Changed internal sorting to use unstable sort. #358 #359

  • Updated dependencies. #361

Added

  • Added relocatable object file support to Loader. #362

0.25.1 (2025/09/13)

Changed

  • Fixed line parsing for split DWARF. #353

  • Changed .debug_aranges parsing to skip invalid entries instead of failing. #355

0.25.0 (2025/06/11)

Breaking changes

  • Updated gimli dependency.

Added

  • Added Loader::find_symbol. #341 #349

  • Added Loader::get_section_range. Added --section option to addr2line binary. #343

  • Added wasm feature. #348

Changed

  • Fixed handling of Windows paths that use forward slashes. #342

  • Removed compiler-builtins from rustc-dep-of-std dependencies. #345

0.24.2 (2024/10/04)

Changed

  • Enabled caching of DWARF abbreviations. #318

  • Changed the addr2line binary to prefer symbol names over DWARF names. #332

  • Updated gimli dependency.

Added

0.24.1 (2024/07/26)

Changed

  • Fixed parsing of partial units, which are found in supplementary object files. #313

0.24.0 (2024/07/16)

Breaking changes

  • Updated gimli dependency.

Changed

  • Changed the order of ranges returned by Context::find_location_range, and fixed handling in rare situations. #303 #304 #306

  • Improved the performance of Context::find_location. #305

Added

  • Added LoaderReader. #307

  • Added --all option to addr2line. #307

0.23.0 (2024/05/26)

Breaking changes

  • Updated gimli dependency.

  • Deleted Context::new, Context::new_with_sup, and builtin_split_dwarf_loader. Use Context::from_dwarf or Loader::new instead. This removes object from the public API. #296

Changed

  • Fixed handling of column 0 in the line table. #290

  • Moved addr2line from examples to bin. Requires the bin feature. #291

  • Split up lib.rs into smaller modules. #292

Added

  • Added Loader. Requires the loader feature. #296 #297

  • Added unpacked Mach-O support to Loader. #298

0.22.0 (2024/04/11)

Breaking changes

  • Updated gimli and object dependencies.

0.21.0 (2023/08/12)

Breaking changes

  • Updated gimli, object, and fallible-iterator dependencies.

Changed

  • The minimum supported rust version is 1.65.0.

  • Store boxed slices instead of Vec objects in Context. #278

0.20.0 (2023/04/15)

Breaking changes

  • The minimum supported rust version is 1.58.0.

  • Changed Context::find_frames to return LookupResult. Use LookupResult::skip_all_loads to obtain the result without loading split DWARF. #260

  • Replaced Context::find_dwarf_unit with Context::find_dwarf_and_unit. #260

  • Updated object dependency.

Changed

  • Fix handling of file index 0 for DWARF 5. #264

Added

  • Added types and methods to support loading split DWARF: LookupResult, SplitDwarfLoad, SplitDwarfLoader, Context::preload_units. #260 #262 #263

0.19.0 (2022/11/24)

Breaking changes

  • Updated gimli and object dependencies.

0.18.0 (2022/07/16)

Breaking changes

  • Updated object dependency.

Changed

  • Fixed handling of relative path for DW_AT_comp_dir. #239

  • Fixed handling of DW_FORM_addrx for DWARF 5 support. #243

  • Fixed handling of units that are missing range information. #249

0.17.0 (2021/10/24)

Breaking changes

  • Updated gimli and object dependencies.

Changed

  • Use skip_attributes to improve performance. #236

0.16.0 (2021/07/26)

Breaking changes

  • Updated gimli and object dependencies.

0.15.2 (2021/06/04)

Fixed

  • Allow Context to be Send. #219

0.15.1 (2021/05/02)

Fixed

  • Don't ignore aranges with address 0. #217

0.15.0 (2021/05/02)

Breaking changes

  • Updated gimli and object dependencies. #215

  • Added debug_aranges parameter to Context::from_sections. #200

Added

  • Added .debug_aranges support. #200

  • Added supplementary object file support. #208

Fixed

  • Fixed handling of Windows paths in locations. #209

  • examples/addr2line: Flush stdout after each response. #210

  • examples/addr2line: Avoid copying every section. #213

0.14.1 (2020/12/31)

Fixed

  • Fix location lookup for skeleton units. #201

Added

  • Added Context::find_location_range. #196 #199

0.14.0 (2020/10/27)

Breaking changes

  • Updated gimli and object dependencies.

Fixed

  • Handle units that only have line information. #188

  • Handle DWARF units with version <= 4 and no DW_AT_name. #191

  • Fix handling of DW_FORM_ref_addr. #193

0.13.0 (2020/07/07)

Breaking changes

  • Updated gimli and object dependencies.

  • Added rustc-dep-of-std feature. #166

Changed

  • Improve performance by parsing function contents lazily. #178

  • Don't skip .debug_info and .debug_line entries with a zero address. #182

0.12.2 (2020/06/21)

Fixed

  • Avoid linear search for DW_FORM_ref_addr. #175

0.12.1 (2020/05/19)

Fixed

  • Handle units with overlapping address ranges. #163

  • Don't assert for functions with overlapping address ranges. #168

0.12.0 (2020/05/12)

Breaking changes

  • Updated gimli and object dependencies.

  • Added more optional features: smallvec and fallible-iterator. #160

Added

  • Added Context::dwarf and Context::find_dwarf_unit. #159

Changed

  • Removed lazycell dependency. #160

0.11.0 (2020/01/11)

Breaking changes

  • Updated gimli and object dependencies.

  • #130 Changed Location::file from Option<String> to Option<&str>. This required adding lifetime parameters to Location and other structs that contain it.

  • #152 Changed Location::line and Location::column from Option<u64>to Option<u32>.

  • #156 Deleted alloc feature, and fixed no-std builds with stable rust. Removed default Reader parameter for Context, and added ObjectContext instead.

Added

  • #134 Added Context::from_dwarf.

Changed

  • #133 Fixed handling of units that can't be parsed.

  • #155 Fixed addr2line output to match binutils.

  • #130 Improved .debug_line parsing performance.

  • #148 #150 #151 #152 Improved .debug_info parsing performance.

  • #137 #138 #139 #140 #146 Improved benchmarks.

0.10.0 (2019/07/07)

Breaking changes

  • #127 Update gimli.

0.9.0 (2019/05/02)

Breaking changes

  • #121 Update gimli, object, and fallible-iterator dependencies.

Added

  • #121 Reexport gimli, object, and fallible-iterator.

0.8.0 (2019/02/06)

Breaking changes

  • #107 Update object dependency to 0.11. This is part of the public API.

Added

  • #101 Add object feature (enabled by default). Disable this feature to remove the object dependency and Context::new API.

  • #102 Add std (enabled by default) and alloc features.

Changed

  • #108 demangle no longer outputs the hash for rust symbols.

  • #109 Set default R for Context<R>.