diff options
Diffstat (limited to 'tools/testing/selftests/bpf/progs/test_core_reloc_flavors.c')
| -rw-r--r-- | tools/testing/selftests/bpf/progs/test_core_reloc_flavors.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/tools/testing/selftests/bpf/progs/test_core_reloc_flavors.c b/tools/testing/selftests/bpf/progs/test_core_reloc_flavors.c index 9fda73e87972..b5dbeef540fd 100644 --- a/tools/testing/selftests/bpf/progs/test_core_reloc_flavors.c +++ b/tools/testing/selftests/bpf/progs/test_core_reloc_flavors.c @@ -4,13 +4,14 @@ #include <linux/bpf.h> #include <stdint.h> #include "bpf_helpers.h" +#include "bpf_core_read.h" char _license[] SEC("license") = "GPL"; -static volatile struct data { +struct { char in[256]; char out[256]; -} data; +} data = {}; struct core_reloc_flavors { int a; @@ -39,6 +40,8 @@ struct core_reloc_flavors___weird { }; }; +#define CORE_READ(dst, src) bpf_core_read(dst, sizeof(*(dst)), src) + SEC("raw_tracepoint/sys_enter") int test_core_flavors(void *ctx) { @@ -48,13 +51,13 @@ int test_core_flavors(void *ctx) struct core_reloc_flavors *out = (void *)&data.out; /* read a using weird layout */ - if (BPF_CORE_READ(&out->a, &in_weird->a)) + if (CORE_READ(&out->a, &in_weird->a)) return 1; /* read b using reversed layout */ - if (BPF_CORE_READ(&out->b, &in_rev->b)) + if (CORE_READ(&out->b, &in_rev->b)) return 1; /* read c using original layout */ - if (BPF_CORE_READ(&out->c, &in_orig->c)) + if (CORE_READ(&out->c, &in_orig->c)) return 1; return 0; |