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# Changelog
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All notable changes to this project will be documented in this file.
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The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
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and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
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## [Unreleased]
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## v0.1.2 (2025-11-17)
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### Breaking Changes
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- <csr-id-3569c9afc3dc7babb6b44aa071828df7c8864834/> Map helper functions now take `*mut c_void`, matching the kernel’s prototypes. Any out-of-tree helpers should update their signatures accordingly.
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### New Features
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- <csr-id-0b58d3eb6d399c812181d2d64de32cde1b44f6eb/> Added a `bpf_strncmp` helper binding.
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- <csr-id-f34d355d7d70f8f9ef0f0a01a4338e50cf0080b4/> Raw tracepoints now expose their arguments so programs no longer need to guess register layouts.
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- <csr-id-1ccac3c135f280eead50ff18cd4c4340001018c6/>, <csr-id-6252b4c9722c7c2ee2458741ae328dcc0c3c5234/> Added mips/loongarch register helpers so those targets can implement `FromPtRegs`.
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- <csr-id-dc543ae44aab09ea9ab550b164ca0711293e87fe/> `XdpContext` exposes the interface index, simplifying multi-interface programs.
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- <csr-id-2fb19f3ee2c95a34382b33762e9fb8841ec8c048/> Added `Array::set()` to update array contents from eBPF code.
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- <csr-id-77b1c6194c8f9bb69ffc6a60c3b8189b73e00e8f/> Introduced Flow Dissector program support on the eBPF side.
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- <csr-id-3f60168d4bab042d26094f7962b96f0772b52ae7/> Added `RingBufBytes` so probes can emit raw byte slices efficiently.
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- <csr-id-0b2a544ddd9df74ebcdb46128b6bcc48336b2762/>, <csr-id-53ec6164114bba84be145dc9659aaac917dd7a15/> Added BTF array definitions plus `Queue`/`Stack::peek()` helpers for safer data-structure inspection.
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### Bug Fixes
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- <csr-id-1fe12b99907dda6553a6069fa462d6241d3fa171/> Fixed riscv64 builds by updating the generated bindings.
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- <csr-id-f537dc66845e70bc3af2dbb9944562cf38117bcb/> Cleaned up ring-buffer code to avoid reliance on `as` casts, preventing UB on strict architectures.
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- <csr-id-6004fcdb0fb5a6157ba5416f439e5807567c87a7/> Guarded the libc `mem*` shims behind `cfg(target_arch = "bpf")`, ensuring CPU builds stay well-defined.
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### Maintenance
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- <csr-id-4f654865e9e592a93e11feb8558a461c4b6865b5/>, <csr-id-4b4b9f83bd6c1762a5366d2d89353adf4364f76e/> Added configuration flags for `generic_const_exprs` and the loongarch target, plus the usual lint/documentation refresh.
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## v0.1.1 (2024-10-09)
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### New Features
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- <csr-id-7ad3926d996f6471da05a8f3cab0283bb38c1498/> Implement memmove
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The compiler will emit this function for certain operations, but aya
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currently does not provide an implementation.
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This leads to ebpf loading failures as the kernel can't find the symbol when
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loading the program.
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The implementation is based on https://github.com/rust-lang/compiler-builtins/blob/master/src/mem/mod.rs#L29-L40
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and https://github.com/rust-lang/compiler-builtins/blob/master/src/mem/impls.rs#L128-L135
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Only the simplest case has been implemented, none of the word optimizations,
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since memcpy also doesn't seem to have them.
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### Bug Fixes
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- <csr-id-ef0d1253efcc5a385afc74668d4f28580d328822/> Remove PerfEventArray::with_max_entries
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This API doesn't make sense as the max_entries needs to be set to the
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number of online CPUs by the loader.
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### Other
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- <csr-id-95e1763e30e0dcfe1256ecd9e32ca27dd65342b4/> Add set_reply accessor to SockOpsContext
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- <csr-id-b513af12e8baa5c5097eaf0afdae61a830c3f877/> add archs powerpc64 and s390x to aya
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bpfman, a project using aya, has a requirement to support powerpc64 and
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s390x architectures. Adding these two architectures to aya.
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- <csr-id-2d38b23b99cd259f7a249f4c63b12da909c67015/> moved ret from ProbeContext into new RetProbeContext
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Created retprobe.rs to hold RetProbeContext and moved the ret from
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ProbeContext in probe.rs into RetProbeContext. Now, only kprobe (which
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uses ProbeContext) can access args, and kretprobe (which uses
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RetProbeContext) can access ret.
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### Commit Statistics
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<csr-read-only-do-not-edit/>
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- 11 commits contributed to the release.
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- 185 days passed between releases.
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- 5 commits were understood as [conventional](https://www.conventionalcommits.org).
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- 0 issues like '(#ID)' were seen in commit messages
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### Commit Details
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<csr-read-only-do-not-edit/>
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<details><summary>view details</summary>
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* **Uncategorized**
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- Merge pull request #1020 from l2dy/sockops-ctx ([`635ed3b`](https://github.com/aya-rs/aya/commit/635ed3baed5442c1364a360d7234b72c4ffe3fd8))
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- Add set_reply accessor to SockOpsContext ([`95e1763`](https://github.com/aya-rs/aya/commit/95e1763e30e0dcfe1256ecd9e32ca27dd65342b4))
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- Merge pull request #974 from Billy99/billy99-arch-ppc64-s390x ([`ab5e688`](https://github.com/aya-rs/aya/commit/ab5e688fd49fcfb402ad47d51cb445437fbd8cb7))
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- Add archs powerpc64 and s390x to aya ([`b513af1`](https://github.com/aya-rs/aya/commit/b513af12e8baa5c5097eaf0afdae61a830c3f877))
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- Appease nightly clippy ([`bce3c4f`](https://github.com/aya-rs/aya/commit/bce3c4fb1d0cd6e8f9f64420c59e02a42c96b2c8))
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- Remove PerfEventArray::with_max_entries ([`ef0d125`](https://github.com/aya-rs/aya/commit/ef0d1253efcc5a385afc74668d4f28580d328822))
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- Implement memmove ([`7ad3926`](https://github.com/aya-rs/aya/commit/7ad3926d996f6471da05a8f3cab0283bb38c1498))
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- Allowlist expected cfgs ([`e4f9ed8`](https://github.com/aya-rs/aya/commit/e4f9ed8d79e4cd19ab5124352fca9e6cbdc1030b))
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- Deny warnings ([`b603c66`](https://github.com/aya-rs/aya/commit/b603c665a9a2ec48de2c4b412876bd015e5ead15))
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- Moved ret from ProbeContext into new RetProbeContext ([`2d38b23`](https://github.com/aya-rs/aya/commit/2d38b23b99cd259f7a249f4c63b12da909c67015))
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- Appease clippy ([`57cd351`](https://github.com/aya-rs/aya/commit/57cd35172f1534444a548460de6eae4680488711))
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</details>
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## v0.1.0 (2024-04-06)
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<csr-id-d7af6acb42055ed1e0571bdc4d7dbbfa46c5835e/>
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<csr-id-ea8073793e44c593e983e69eaa43a4f72799bfc5/>
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<csr-id-41c61560eae01a30c703ea22c5bfeeff0ecf6b1b/>
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<csr-id-c7fe60d47e0cc32fc7123e37532d104eaa392b50/>
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<csr-id-a4ae8adb0db75f2b82b10b0740447a1dbead62c0/>
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### Chore
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- <csr-id-d7af6acb42055ed1e0571bdc4d7dbbfa46c5835e/> Rename BpfContext -> EbpfContext
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- <csr-id-ea8073793e44c593e983e69eaa43a4f72799bfc5/> Rename bpf -> ebpf
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- <csr-id-41c61560eae01a30c703ea22c5bfeeff0ecf6b1b/> Rename bpf -> ebpf
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### Chore
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- <csr-id-a4ae8adb0db75f2b82b10b0740447a1dbead62c0/> add version keys to Cargo.toml(s)
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### Chore
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- <csr-id-c7fe60d47e0cc32fc7123e37532d104eaa392b50/> add changelogs
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### Commit Statistics
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<csr-read-only-do-not-edit/>
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- 10 commits contributed to the release.
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- 5 commits were understood as [conventional](https://www.conventionalcommits.org).
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- 0 issues like '(#ID)' were seen in commit messages
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### Commit Details
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<csr-read-only-do-not-edit/>
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<details><summary>view details</summary>
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* **Uncategorized**
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- Release aya-ebpf v0.1.0 ([`c3ae6f9`](https://github.com/aya-rs/aya/commit/c3ae6f90d8d3be8b31d1de9ccc042133f9ac8f44))
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- Release aya-ebpf-macros v0.1.0, aya-ebpf v0.1.0 ([`eb3947b`](https://github.com/aya-rs/aya/commit/eb3947bf14e8e7ab0f70e12306e38fb8056edf57))
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- Release aya-ebpf-bindings v0.1.0, aya-ebpf-macros v0.1.0, aya-ebpf v0.1.0 ([`a34c5e4`](https://github.com/aya-rs/aya/commit/a34c5e43b85dd176b9b18f1cc9c9d80d52f10a1f))
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- Add version keys to Cargo.toml(s) ([`a4ae8ad`](https://github.com/aya-rs/aya/commit/a4ae8adb0db75f2b82b10b0740447a1dbead62c0))
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- Release aya-ebpf-bindings v0.1.0, aya-ebpf-macros v0.1.0, aya-ebpf v0.1.0 ([`b8964d3`](https://github.com/aya-rs/aya/commit/b8964d3fd27353beb9054dd18fe8d16251f9164b))
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- Add changelogs ([`c7fe60d`](https://github.com/aya-rs/aya/commit/c7fe60d47e0cc32fc7123e37532d104eaa392b50))
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- Merge pull request #528 from dave-tucker/rename-all-the-things ([`63d8d4d`](https://github.com/aya-rs/aya/commit/63d8d4d34bdbbee149047dc0a5e9c2b191f3b32d))
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- Rename BpfContext -> EbpfContext ([`d7af6ac`](https://github.com/aya-rs/aya/commit/d7af6acb42055ed1e0571bdc4d7dbbfa46c5835e))
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- Rename bpf -> ebpf ([`ea80737`](https://github.com/aya-rs/aya/commit/ea8073793e44c593e983e69eaa43a4f72799bfc5))
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- Rename bpf -> ebpf ([`41c6156`](https://github.com/aya-rs/aya/commit/41c61560eae01a30c703ea22c5bfeeff0ecf6b1b))
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</details>
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