gcc-bpf.yml

name: Testing GCC BPF compiler

on:
  workflow_call:
    inputs:
      runs_on:
        required: true
        type: string
      arch:
        required: true
        type: string
      llvm-version:
        required: true
        type: string
      toolchain:
        required: true
        type: string
      toolchain_full:
        required: true
        type: string
      download_sources:
        required: true
        type: boolean

jobs:
  test:
    name: GCC BPF
    runs-on: ${{ fromJSON(inputs.runs_on) }}
    timeout-minutes: 100
    env:
      ARCH: ${{ inputs.arch }}
      BPF_GCC_INSTALL_DIR: ${{ github.workspace }}/gcc-bpf
      BPF_NEXT_BASE_BRANCH: 'master'
      REPO_ROOT: ${{ github.workspace }}/src
      KBUILD_OUTPUT: ${{ github.workspace }}/src/kbuild-output

    steps:

      - uses: actions/checkout@v4
        with:
          sparse-checkout: |
            .github
            ci

      - if: ${{ inputs.download_sources }}
        name: Download bpf-next tree
        uses: libbpf/ci/get-linux-source@v3
        with:
          dest: ${{ env.REPO_ROOT }}
          rev: ${{ env.BPF_NEXT_BASE_BRANCH }}

      - if: ${{ ! inputs.download_sources }}
        name: Checkout ${{ github.repository }} to ./src
        uses: actions/checkout@v4
        with:
          path: 'src'

      - uses:  libbpf/ci/patch-kernel@v3
        with:
          patches-root: '${{ github.workspace }}/ci/diffs'
          repo-root: ${{ env.REPO_ROOT }}

      - uses: actions/download-artifact@v4
        with:
          name: vmlinux-${{ inputs.arch }}-${{ inputs.toolchain_full }}
          path: ${{ env.REPO_ROOT }}

      - name: Untar artifacts
        working-directory: ${{ env.REPO_ROOT }}
        run: zstd -d -T0 vmlinux-${{ inputs.arch }}-${{ inputs.toolchain_full }}.tar.zst --stdout | tar -xf -

      - name: Setup build environment
        uses: libbpf/ci/setup-build-env@v3
        with:
          arch: ${{ inputs.arch }}
          llvm-version: ${{ inputs.llvm-version }}

      - name: Build GCC BPF compiler
        uses: libbpf/ci/build-bpf-gcc@v3
        with:
          install-dir: ${{ env.BPF_GCC_INSTALL_DIR }}

      - name: Build selftests/bpf/test_progs-bpf_gcc
        uses: libbpf/ci/build-selftests@v3
        env:
          MAX_MAKE_JOBS: 32
          BPF_GCC: ${{ env.BPF_GCC_INSTALL_DIR }}
          SELFTESTS_BPF_TARGETS: 'test_progs-bpf_gcc'
        with:
          arch: ${{ inputs.arch }}
          kernel-root: ${{ env.REPO_ROOT }}
          llvm-version: ${{ inputs.llvm-version }}
          toolchain: ${{ inputs.toolchain }}