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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
tree | a94efe259b9009378be6d90eb30d2b019d95c194 /tools/testing/selftests/bpf/progs/test_core_reloc_enumval.c | |
parent | Initial commit. (diff) | |
download | linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.tar.xz linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.zip |
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tools/testing/selftests/bpf/progs/test_core_reloc_enumval.c')
-rw-r--r-- | tools/testing/selftests/bpf/progs/test_core_reloc_enumval.c | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/progs/test_core_reloc_enumval.c b/tools/testing/selftests/bpf/progs/test_core_reloc_enumval.c new file mode 100644 index 000000000..e7ef3dada --- /dev/null +++ b/tools/testing/selftests/bpf/progs/test_core_reloc_enumval.c @@ -0,0 +1,72 @@ +// SPDX-License-Identifier: GPL-2.0 +// Copyright (c) 2020 Facebook + +#include <linux/bpf.h> +#include <stdint.h> +#include <stdbool.h> +#include <bpf/bpf_helpers.h> +#include <bpf/bpf_core_read.h> + +char _license[] SEC("license") = "GPL"; + +struct { + char in[256]; + char out[256]; + bool skip; +} data = {}; + +enum named_enum { + NAMED_ENUM_VAL1 = 1, + NAMED_ENUM_VAL2 = 2, + NAMED_ENUM_VAL3 = 3, +}; + +typedef enum { + ANON_ENUM_VAL1 = 0x10, + ANON_ENUM_VAL2 = 0x20, + ANON_ENUM_VAL3 = 0x30, +} anon_enum; + +struct core_reloc_enumval_output { + bool named_val1_exists; + bool named_val2_exists; + bool named_val3_exists; + bool anon_val1_exists; + bool anon_val2_exists; + bool anon_val3_exists; + + int named_val1; + int named_val2; + int anon_val1; + int anon_val2; +}; + +SEC("raw_tracepoint/sys_enter") +int test_core_enumval(void *ctx) +{ +#if __has_builtin(__builtin_preserve_enum_value) + struct core_reloc_enumval_output *out = (void *)&data.out; + enum named_enum named = 0; + anon_enum anon = 0; + + out->named_val1_exists = bpf_core_enum_value_exists(named, NAMED_ENUM_VAL1); + out->named_val2_exists = bpf_core_enum_value_exists(enum named_enum, NAMED_ENUM_VAL2); + out->named_val3_exists = bpf_core_enum_value_exists(enum named_enum, NAMED_ENUM_VAL3); + + out->anon_val1_exists = bpf_core_enum_value_exists(anon, ANON_ENUM_VAL1); + out->anon_val2_exists = bpf_core_enum_value_exists(anon_enum, ANON_ENUM_VAL2); + out->anon_val3_exists = bpf_core_enum_value_exists(anon_enum, ANON_ENUM_VAL3); + + out->named_val1 = bpf_core_enum_value(named, NAMED_ENUM_VAL1); + out->named_val2 = bpf_core_enum_value(named, NAMED_ENUM_VAL2); + /* NAMED_ENUM_VAL3 value is optional */ + + out->anon_val1 = bpf_core_enum_value(anon, ANON_ENUM_VAL1); + out->anon_val2 = bpf_core_enum_value(anon, ANON_ENUM_VAL2); + /* ANON_ENUM_VAL3 value is optional */ +#else + data.skip = true; +#endif + + return 0; +} |