On Wed, Sep 16, 2020 at 3:39 PM Hao Luo haoluo@google.com wrote:
Selftests for typed ksyms. Tests two types of ksyms: one is a struct, the other is a plain int. This tests two paths in the kernel. Struct ksyms will be converted into PTR_TO_BTF_ID by the verifier while int typed ksyms will be converted into PTR_TO_MEM.
Signed-off-by: Hao Luo haoluo@google.com
LGTM.
Acked-by: Andrii Nakryiko andriin@fb.com
.../testing/selftests/bpf/prog_tests/ksyms.c | 38 ++++------ .../selftests/bpf/prog_tests/ksyms_btf.c | 70 +++++++++++++++++++ .../selftests/bpf/progs/test_ksyms_btf.c | 23 ++++++ tools/testing/selftests/bpf/trace_helpers.c | 27 +++++++ tools/testing/selftests/bpf/trace_helpers.h | 4 ++ 5 files changed, 137 insertions(+), 25 deletions(-) create mode 100644 tools/testing/selftests/bpf/prog_tests/ksyms_btf.c create mode 100644 tools/testing/selftests/bpf/progs/test_ksyms_btf.c
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