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@ -1,14 +1,18 @@
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use aya::{Btf, EbpfLoader, Endianness, maps::Array, programs::UProbe, util::KernelVersion};
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use aya::{EbpfLoader, Endianness, maps::Array, programs::UProbe};
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use aya_obj::btf::Btf;
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use test_case::test_case;
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#[test_case(crate::ENUM_SIGNED_32_RELOC_BPF, None, Some((KernelVersion::new(6, 0, 0), "https://github.com/torvalds/linux/commit/6089fb3")), -0x7AAAAAAAi32 as u64)]
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#[test_case(crate::ENUM_SIGNED_32_RELOC_BPF, Some(crate::ENUM_SIGNED_32_RELOC_BTF), Some((KernelVersion::new(6, 0, 0), "https://github.com/torvalds/linux/commit/6089fb3")), -0x7BBBBBBBi32 as u64)]
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#[test_case(crate::ENUM_SIGNED_32_CHECKED_VARIANTS_RELOC_BPF, None, Some((KernelVersion::new(6, 0, 0), "https://github.com/torvalds/linux/commit/6089fb3")), -0x7AAAAAAAi32 as u64)]
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#[test_case(crate::ENUM_SIGNED_32_CHECKED_VARIANTS_RELOC_BPF, Some(crate::ENUM_SIGNED_32_CHECKED_VARIANTS_RELOC_BTF), Some((KernelVersion::new(6, 0, 0), "https://github.com/torvalds/linux/commit/6089fb3")), -0x7BBBBBBBi32 as u64)]
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#[test_case(crate::ENUM_SIGNED_64_RELOC_BPF, None, Some((KernelVersion::new(6, 0, 0), "https://github.com/torvalds/linux/commit/6089fb3")), -0xAAAAAAABBBBBBBBi64 as u64)]
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#[test_case(crate::ENUM_SIGNED_64_RELOC_BPF, Some(crate::ENUM_SIGNED_64_RELOC_BTF), Some((KernelVersion::new(6, 0, 0), "https://github.com/torvalds/linux/commit/6089fb3")), -0xCCCCCCCDDDDDDDDi64 as u64)]
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#[test_case(crate::ENUM_SIGNED_64_CHECKED_VARIANTS_RELOC_BPF, None, Some((KernelVersion::new(6, 0, 0), "https://github.com/torvalds/linux/commit/6089fb3")), -0xAAAAAAABBBBBBBi64 as u64)]
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#[test_case(crate::ENUM_SIGNED_64_CHECKED_VARIANTS_RELOC_BPF, Some(crate::ENUM_SIGNED_64_CHECKED_VARIANTS_RELOC_BTF), Some((KernelVersion::new(6, 0, 0), "https://github.com/torvalds/linux/commit/6089fb3")), -0xCCCCCCCDDDDDDDi64 as u64)]
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#[derive(Debug)]
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enum Requirements {}
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#[test_case(crate::ENUM_SIGNED_32_RELOC_BPF, None, None,-0x7AAAAAAAi32 as u64)]
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#[test_case(crate::ENUM_SIGNED_32_RELOC_BPF, Some(crate::ENUM_SIGNED_32_RELOC_BTF), None, -0x7BBBBBBBi32 as u64)]
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#[test_case(crate::ENUM_SIGNED_32_CHECKED_VARIANTS_RELOC_BPF, None, None,-0x7AAAAAAAi32 as u64)]
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#[test_case(crate::ENUM_SIGNED_32_CHECKED_VARIANTS_RELOC_BPF, Some(crate::ENUM_SIGNED_32_CHECKED_VARIANTS_RELOC_BTF), None, -0x7BBBBBBBi32 as u64)]
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#[test_case(crate::ENUM_SIGNED_64_RELOC_BPF, None, None,-0xAAAAAAABBBBBBBBi64 as u64)]
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#[test_case(crate::ENUM_SIGNED_64_RELOC_BPF, Some(crate::ENUM_SIGNED_64_RELOC_BTF), None, -0xCCCCCCCDDDDDDDDi64 as u64)]
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#[test_case(crate::ENUM_SIGNED_64_CHECKED_VARIANTS_RELOC_BPF, None, None,-0xAAAAAAABBBBBBBi64 as u64)]
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#[test_case(crate::ENUM_SIGNED_64_CHECKED_VARIANTS_RELOC_BPF, Some(crate::ENUM_SIGNED_64_CHECKED_VARIANTS_RELOC_BTF), None, -0xCCCCCCCDDDDDDDi64 as u64)]
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#[test_case(crate::ENUM_UNSIGNED_32_RELOC_BPF, None, None, 0xAAAAAAAA)]
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#[test_case(
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crate::ENUM_UNSIGNED_32_RELOC_BPF,
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@ -28,10 +32,25 @@ use test_case::test_case;
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None,
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0xBBBBBBBB
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)]
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#[test_case(crate::ENUM_UNSIGNED_64_RELOC_BPF, None, Some((KernelVersion::new(6, 0, 0), "https://github.com/torvalds/linux/commit/6089fb3")), 0xAAAAAAAABBBBBBBB)]
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#[test_case(crate::ENUM_UNSIGNED_64_RELOC_BPF, Some(crate::ENUM_UNSIGNED_64_RELOC_BTF), Some((KernelVersion::new(6, 0, 0), "https://github.com/torvalds/linux/commit/6089fb3")), 0xCCCCCCCCDDDDDDDD)]
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#[test_case(crate::ENUM_UNSIGNED_64_CHECKED_VARIANTS_RELOC_BPF, None, Some((KernelVersion::new(6, 0, 0), "https://github.com/torvalds/linux/commit/6089fb3")), 0xAAAAAAAABBBBBBBB)]
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#[test_case(crate::ENUM_UNSIGNED_64_CHECKED_VARIANTS_RELOC_BPF, Some(crate::ENUM_UNSIGNED_64_CHECKED_VARIANTS_RELOC_BTF), Some((KernelVersion::new(6, 0, 0), "https://github.com/torvalds/linux/commit/6089fb3")), 0xCCCCCCCCDDDDDDDD)]
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#[test_case(crate::ENUM_UNSIGNED_64_RELOC_BPF, None, None, 0xAAAAAAAABBBBBBBB)]
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#[test_case(
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crate::ENUM_UNSIGNED_64_RELOC_BPF,
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Some(crate::ENUM_UNSIGNED_64_RELOC_BTF),
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None,
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0xCCCCCCCCDDDDDDDD
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)]
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#[test_case(
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crate::ENUM_UNSIGNED_64_CHECKED_VARIANTS_RELOC_BPF,
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None,
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None,
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0xAAAAAAAABBBBBBBB
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)]
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#[test_case(
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crate::ENUM_UNSIGNED_64_CHECKED_VARIANTS_RELOC_BPF,
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Some(crate::ENUM_UNSIGNED_64_CHECKED_VARIANTS_RELOC_BTF),
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None,
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0xCCCCCCCCDDDDDDDD
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)]
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#[test_case(crate::FIELD_RELOC_BPF, None, None, 2)]
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#[test_case(crate::FIELD_RELOC_BPF, Some(crate::FIELD_RELOC_BTF), None, 1)]
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#[test_case(crate::POINTER_RELOC_BPF, None, None, 42)]
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@ -47,25 +66,27 @@ use test_case::test_case;
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fn relocation_tests(
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bpf: &[u8],
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btf: Option<&[u8]>,
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required_kernel_version: Option<(KernelVersion, &str)>,
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requirements: Option<Requirements>,
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expected: u64,
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) {
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if let Some((required_kernel_version, commit)) = required_kernel_version {
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let current_kernel_version = KernelVersion::current().unwrap();
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if current_kernel_version < required_kernel_version {
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eprintln!(
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"skipping test on kernel {current_kernel_version:?}, support was added in {required_kernel_version:?}; see {commit}"
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);
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return;
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let features = aya::features();
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let btf = btf.map(|btf| Btf::parse(btf, Endianness::default()).unwrap());
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let mut bpf = match EbpfLoader::new().btf(btf.as_ref()).load(bpf) {
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Ok(bpf) => {
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if let Some(requirements) = requirements {
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// We'll want to panic here if we expect some feature we don't have.
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match requirements {}
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}
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bpf
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}
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}
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let mut bpf = EbpfLoader::new()
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.btf(
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btf.map(|btf| Btf::parse(btf, Endianness::default()).unwrap())
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.as_ref(),
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)
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.load(bpf)
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.unwrap();
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Err(err) => panic!(
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"err={err:?} requirements={requirements:?} features={:?}",
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features.btf()
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),
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};
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let program: &mut UProbe = bpf.program_mut("program").unwrap().try_into().unwrap();
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program.load().unwrap();
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program
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