bpf-linker

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1. v0.13.0 Nov 2, 2026 · issue 128

   bpf-linker adds the static relocation model and faster BTFBTFBPF Type Format, a metadata format in the Linux kernel that embeds type and debug information directly into eBPF programs, letting cyber tools inspect kernel structures safely without kernel headers at runtime. sanitization via LLVM metadata reuse⁠︀︄︇︀︅︉︀︅︀︀︃︀︀︅︅︀︅︊︀︄︆︀︃︄⁠

   └──▷ GET THIS VERSION

   copy

   $ git clone --branch v0.13.0 https://github.com/aya-rs/bpf-linker.git
   # already have the repo? check out this version:
   $ git checkout v0.13.0

   • bpf-linker's BTF sanitizer now reuses LLVM metadata, reducing redundant processing during BTF generation.⁠︀︄︇︀︅︉︀︅︀︀︃︀︀︅︅︀︅︊︀︄︆︀︃︄⁠

   1 detail in Everything

2. v0.12.0 Oct 13, 2026 · issue 108

   bpf-linker v0.12.0 adds Linux RISC-V binary releases and fixes extern symbol internalization with proper section info.⁠︀︄︇︀︅︉︀︅︀︀︃︀︀︅︅︀︅︊︀︄︆︀︃︄⁠

   └──▷ GET THIS VERSION

   copy

   $ git clone --branch v0.12.0 https://github.com/aya-rs/bpf-linker.git
   # already have the repo? check out this version:
   $ git checkout v0.12.0

   • Adds pre-built Linux RISC-V binaries to the release distribution.⁠︀︄︇︀︅︉︀︅︀︀︃︀︀︅︅︀︅︊︀︄︆︀︃︄⁠
   • Preserves extern definitions from internalization and emits proper section info during linking.
   • Adds pre-built Linux RISC-V binaries to the release distribution.⁠︀︄︇︀︅︉︀︅︀︀︃︀︀︅︅︀︅︊︀︄︆︀︃︄⁠

   1 more in Everything

3. v0.11.0 Aug 12, 2026 · issue 043

   bpf-linker v0.11.0 adds BPF CPUCPUThe main general-purpose processor in a computer. It runs application instructions and coordinates work with memory and other hardware. v4 support, negative CPU feature flags, and upgrades to LLVM 23.

   └──▷ GET THIS VERSION

   copy

   $ git clone --branch v0.11.0 https://github.com/aya-rs/bpf-linker.git
   # already have the repo? check out this version:
   $ git checkout v0.11.0

   └──▷ TRY IT
   Target a modern kernel with BPF CPU v4 and selectively disable a CPU feature in a single build.
   copy

   $ bpf-linker --cpu=v4 --cpu-features=+alu32,-dwarfris -o output.o input.o

   • Adds v4 as a valid value for --cpu to target BPF CPU v4 processors.
   • Extends --cpu-features to accept disabled features using the -feature prefix (e.g., --cpu-features=-dwarfris), in addition to the existing +feature enable syntax.
   • Updates the underlying LLVM backend to LLVM 23.

   3 details in Everything

4. v0.10.4 Jun 17, 2026 · release notes

   bpf-linker v0.10.4 adds Bazel build support and splits debuginfo into a separate archive.

   └──▷ GET THIS VERSION

   copy

   $ git clone --branch v0.10.4 https://github.com/aya-rs/bpf-linker.git
   # already have the repo? check out this version:
   $ git checkout v0.10.4

   └──▷ TRY IT
   Use the Bazel build system to compile bpf-linker.
   copy

   $ bazel build //:bpf-linker

   • Port the build system to Bazel
   • Split debuginfo into separate release archive

   2 details in Everything

   └──▷ BREAKING ON UPGRADE

   • !Build system changed to Bazel; standard cargo build workflows may no longer apply without Bazel setup.
5. v0.10.4 Jun 17, 2026 · issue 001

   bpf-linker v0.10.4 adds LLVM 22 support with misaligned memory access feature flag and ships debuginfo as a separate archive.

   └──▷ GET THIS VERSION

   copy

   $ git clone --branch v0.10.4 https://github.com/aya-rs/bpf-linker.git
   # already have the repo? check out this version:
   $ git checkout v0.10.4

   └──▷ TRY IT
   Enable misaligned memory access optimizations on LLVM 22 builds when targeting kernels that support it.
   copy

   $ bpf-linker --cpu-features=+allows-misaligned-mem-access -o out.o input.o

   • Supports LLVM 22, enabling the new allows-misaligned-mem-access CPUCPUThe main general-purpose processor in a computer. It runs application instructions and coordinates work with memory and other hardware. feature flag via --cpu-features.
   • Splits debuginfo into a separate release archive, reducing the size of the main binary download.

   2 details in Everything

6. v0.10.0 Jan 30, 2026 · release notes

   bpf-linker v0.10.0 adds in-memory linking, LLVM IR file support, and macOS/Linux ARMARMA family of RISC processor architectures designed by Arm Holdings and licensed to chip makers worldwide; tools target it to run natively on mobile, embedded, and increasingly server and desktop hardware. release builds.

   └──▷ GET THIS VERSION

   copy

   $ git clone --branch v0.10.0 https://github.com/aya-rs/bpf-linker.git
   # already have the repo? check out this version:
   $ git checkout v0.10.0

   • Adds in-memory linking, enabling BPF programs to be linked without writing intermediate files to disk.
   • Supports LLVM IR files as linker inputs, broadening the set of accepted input formats.
   • Releases now available for macOS and Linux ARM platforms, using LLVM from Rust CI.

   3 details in Everything

7. v0.9.13 Aug 13, 2024 · release notes

   bpf-linker v0.9.13 adds --version flag, upgrades to LLVM 19, and logs errors by default.

   └──▷ GET THIS VERSION

   copy

   $ git clone --branch v0.9.13 https://github.com/aya-rs/bpf-linker.git
   # already have the repo? check out this version:
   $ git checkout v0.9.13

   └──▷ TRY IT
   Quickly confirm which bpf-linker version is active in your toolchain.
   copy

   $ bpf-linker --version

   • Adds --version flag to report the linker version from the command line.
   • Upgrades the LLVM backend to LLVM 19, bringing the latest BPF backend improvements.
   • Enables error logging by default so link failures surface without extra configuration.

   3 details in Everything

8. v0.9.9 Aug 2, 2023 · release notes

   Adds --llvm-error-fatal flag to treat LLVM errors as fatal and uses new LLVM pass manager

   └──▷ GET THIS VERSION

   copy

   $ git clone --branch v0.9.9 https://github.com/aya-rs/bpf-linker.git
   # already have the repo? check out this version:
   $ git checkout v0.9.9

   └──▷ TRY IT
   Force build failure if any step hits an LLVM error, ensuring strict CI gates.
   copy

   $ bpf-linker --llvm-error-fatal input.o -o output.ll

   • Switches the internal linker logic to use LLVM's new pass manager for improved reliability.

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