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CHANGELOG.md

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Changelog

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.

1.2.0 - 2025-11-16

Added

  • RISC-V platform support
    • riscv64 - RISC-V 64-bit (LP64D ABI with hardware double-precision floating point)
  • Platform detection for RISC-V in platforms/platform.h using __riscv and __riscv_xlen macros
  • Assembly implementation in platforms/switch_riscv64_gcc.S
    • Full register preservation (s0-s11, fs0-fs11, ra)
    • 16-byte stack alignment per RISC-V ABI
    • Both stackman_switch and stackman_call functions
  • RISC-V build job in CI workflow with qemu-riscv64 emulation
  • RISC-V library included in release archives

Changed

  • Release archives now contain 10 platform libraries (was 9)

1.1.0 - 2025-11-16

Added

  • macOS platform support
    • darwin_x86_64 - macOS on Intel (x86_64)
    • darwin_arm64 - macOS on Apple Silicon (ARM64)
  • Platform detection for macOS in platforms/platform.h using __APPLE__ and __aarch64__ macros
  • Mach-O assembly compatibility for both x86_64 and ARM64
    • Conditional assembly macros for ELF vs Mach-O object formats
    • Disabled CFI directives on macOS (different semantics than Linux)
    • Symbol name mangling with leading underscore for Mach-O
  • macOS build jobs in CI workflow (macos-15-intel and macos-latest runners)
  • macOS libraries included in release archives

Changed

  • Assembly files (switch_x86_64_gcc.S, switch_aarch64_gcc.S) now support both Linux (ELF) and macOS (Mach-O)
  • Makefile detects Darwin and disables -static flag (not supported on macOS)
  • tools/abiname.sh improved to handle stale temp files on macOS
  • Release archives now contain 9 platform libraries (was 7)

Fixed

  • CFI macro definitions in switch_aarch64_gcc.S for Linux builds

1.0.1 - 2025-11-16

Changed

  • Disabled automatic library commits to repository
  • Pre-built libraries now available exclusively via GitHub Releases
  • Added lib/README.md documenting deprecation timeline

Deprecated

  • lib/ directory in repository - will be removed in v2.0.0
  • Committing binary library files to git (causes bloat and merge conflicts)

1.0.0 - 2025-11-16

Added

  • Version macros in stackman.h: STACKMAN_VERSION_MAJOR, STACKMAN_VERSION_MINOR, STACKMAN_VERSION_PATCH, STACKMAN_VERSION, STACKMAN_VERSION_NUMBER
  • Automated release workflow for tagged versions

Changed

  • Updated GitHub Actions to v4 (from v2)
  • README updated with complete platform list, CI information, and release documentation

Removed

  • BREAKING: Dropped Windows ARM32 (win_arm) support
    • Microsoft Windows SDK 10.0.26100.0+ no longer supports 32-bit ARM development
    • Last SDK version supporting ARM32 was Windows SDK 10.0.22621 (Windows 11 SDK, version 22H2)
    • ARM32 Windows devices (Windows RT) are obsolete
    • ARM64 Windows remains fully supported

Fixed

  • Fixed typos in documentation and source files
  • Corrected "callee-stored" → "callee-saved" terminology

0.2 - 2024-2025

Changed

  • Updated to VS2022 project files
  • Updated GitHub Actions dependencies
  • Automated library builds committed to repository

0.1 - 2020-05-18

Added

  • Core stack manipulation API: stackman_switch() and stackman_call()
  • Support for 8 platforms:
    • Linux: sysv_amd64, sysv_i386, arm32 (AAPCS), aarch64 (AAPCS64)
    • Windows: win_x86, win_x64, win_arm (32-bit ARM), win_arm64
  • Compiler support: GCC, Clang, MSVC (VS2017, VS2019, VS2022)
  • Pre-built libraries for all supported platforms
  • Inline assembly and separate assembly file options
  • Cross-compilation support for Linux (x86, ARM32, ARM64)
  • QEMU-based testing for ARM platforms in CI
  • Comprehensive test suite (test.c, test_cc.cc, test_static.c, test_asm.c)
  • GitHub Actions CI for automated building and testing
  • Visual Studio project files (VS2017, VS2019, VS2022)