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CHANGELOG.md

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Change Log

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog and this project adheres to Semantic Versioning.

Unreleased - ReleaseDate

2.2.0 - 2023-02-03

Added

  • dump_syms now supports dumping DWARF debug information in Windows PE files

Changed

  • Use the last version of symbolic (11) and various other crates

Fixed

  • Avoid underflows when infering the length of the last line in a function
  • Do not emit INLINE_ORIGIN directives where the name is made entirely of whitespace, these are replaced with a <name omitted> symbol

2.1.1 - 2022-11-29

Changed

  • Use the last version of the symbolic crates and update to clap 4

Fixed

  • INLINE_ORIGIN names could contain line-breaks if the debuginfo contained them. These caused parsing the .sym file to fail so they're now stripped before emitting them.

2.1.0 - 2022-11-18

Added

  • The program version is now included in the .sym file under a INFO GENERATOR line. This line can be used to identify which version of dump_syms was used to produce a .sym file and will be ignored by most legacy tools.

Changed

  • Use the last version of the symbolic, goblin and cpp_demangle crates for improved output and better compatibility

2.0.2 - 2022-10-20

Minor release with only the changes of the previous release, but this time in the right repository.

2.0.1 - 2022-10-20

Added

  • Several labels added by compilers are stripped from the symbols

Changed

  • Use the last version of the cpp_demangle crate for better results

Fixed

  • Function names are properly demangled even when inlined
  • Emit a <name omitted> symbol when an inline function doesn't have a name (this can happen with debug information that has been split with tools like dwz), this avoids emitting INLINE_ORIGIN directives without a name

2.0.0 - 2022-08-18

Major release, adds support for inlined functions in symbol files and fixes a large number of issues.

Added

  • Emit information about inlined functions using INLINE and INLINE_ORIGIN directives when the --inlines option is specified.

Changed

  • Use the same logic to handle Windows PE/PDB and ELF files, resulting in better consistency across platforms
  • Dummy symbols for executable sections are now generated for all architectures
  • static is not emitted anymore in front of method names

Fixes

  • Linux absolute paths in Windows PDB files are handled correctly
  • Names that were accidentally demangled twice are now handled properly
  • Parameter size is now detected correctly on Windows
  • Symbols matching multiple addresses are now properly marked on ELF
  • The best symbol is always used when present in separate files, even when it doesn't appear in the first file
  • Using symbol stores now works correctly on Linux and macOS too

1.0.1 - 2022-05-25

Fixes

  • Fixed dumping when HTTP support is disabled.

1.0.0 - 2022-05-24

First public release on crates.io. Functional parity with Breakpad dump_syms tools for Linux, Windows and macOS including changes in the Mozilla fork. Much faster and providing significantly better output than the original.

Several long-standing issues with the original dump_syms logic were also fixed including unwinding directives for certain opcodes, compact unwinding info support on macOS, surfacing of public symbols, normalization of namespaces across different architectures, removal of compiler-generated suffixes and better handling of Windows types.

The crate can be used to build a stand-alone executable or as a library to provide symbol-file generation in other tools.