Add the testcase for the jited inline of bpf_get_current_task(). Signed-off-by: Menglong Dong --- .../selftests/bpf/prog_tests/verifier.c | 2 ++ .../selftests/bpf/progs/verifier_jit_inline.c | 35 +++++++++++++++++++ 2 files changed, 37 insertions(+) create mode 100644 tools/testing/selftests/bpf/progs/verifier_jit_inline.c diff --git a/tools/testing/selftests/bpf/prog_tests/verifier.c b/tools/testing/selftests/bpf/prog_tests/verifier.c index 38c5ba70100c..2ae7b096bd64 100644 --- a/tools/testing/selftests/bpf/prog_tests/verifier.c +++ b/tools/testing/selftests/bpf/prog_tests/verifier.c @@ -111,6 +111,7 @@ #include "verifier_xdp_direct_packet_access.skel.h" #include "verifier_bits_iter.skel.h" #include "verifier_lsm.skel.h" +#include "verifier_jit_inline.skel.h" #include "irq.skel.h" #define MAX_ENTRIES 11 @@ -253,6 +254,7 @@ void test_verifier_bits_iter(void) { RUN(verifier_bits_iter); } void test_verifier_lsm(void) { RUN(verifier_lsm); } void test_irq(void) { RUN(irq); } void test_verifier_mtu(void) { RUN(verifier_mtu); } +void test_verifier_jit_inline(void) { RUN(verifier_jit_inline); } static int init_test_val_map(struct bpf_object *obj, char *map_name) { diff --git a/tools/testing/selftests/bpf/progs/verifier_jit_inline.c b/tools/testing/selftests/bpf/progs/verifier_jit_inline.c new file mode 100644 index 000000000000..0938ca1dac87 --- /dev/null +++ b/tools/testing/selftests/bpf/progs/verifier_jit_inline.c @@ -0,0 +1,35 @@ +// SPDX-License-Identifier: GPL-2.0 + +#include +#include +#include "bpf_misc.h" + +#if defined(__TARGET_ARCH_x86) || defined(__TARGET_ARCH_arm64) + +SEC("fentry/bpf_fentry_test1") +__description("Jit inline, bpf_get_current_task") +__success __retval(0) +__arch_x86_64 +__jited(" addq %gs:{{.*}}, %rax") +__arch_arm64 +__jited(" mrs x7, SP_EL0") +int inline_bpf_get_current_task(void) +{ + bpf_get_current_task(); + + return 0; +} + +#else + +SEC("kprobe") +__description("Jit inline is not supported, use a dummy test") +__success +int dummy_test(void) +{ + return 0; +} + +#endif + +char _license[] SEC("license") = "GPL"; -- 2.52.0