diff options
| author | Ilya Leoshkevich <iii@linux.ibm.com> | 2021-10-26 03:08:31 +0200 |
|---|---|---|
| committer | Andrii Nakryiko <andrii@kernel.org> | 2021-10-25 20:39:42 -0700 |
| commit | 2e2c6d3fb38344df92b63162a28ec09491cc0700 (patch) | |
| tree | 864c7b595a67b3566709ed1c48922d21abeb3fbb /tools/testing/selftests/bpf/progs | |
| parent | 3e7ed9cebb551ce9bfbf2985da9cdadd8186e1eb (diff) | |
selftests/bpf: Fix test_core_reloc_mods on big-endian machines
This is the same as commit d164dd9a5c08 ("selftests/bpf: Fix
test_core_autosize on big-endian machines"), but for
test_core_reloc_mods.
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20211026010831.748682-7-iii@linux.ibm.com
Diffstat (limited to 'tools/testing/selftests/bpf/progs')
| -rw-r--r-- | tools/testing/selftests/bpf/progs/test_core_reloc_mods.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/progs/test_core_reloc_mods.c b/tools/testing/selftests/bpf/progs/test_core_reloc_mods.c index 8b533db4a7a5..b2ded497572a 100644 --- a/tools/testing/selftests/bpf/progs/test_core_reloc_mods.c +++ b/tools/testing/selftests/bpf/progs/test_core_reloc_mods.c @@ -42,7 +42,16 @@ struct core_reloc_mods { core_reloc_mods_substruct_t h; }; +#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ #define CORE_READ(dst, src) bpf_core_read(dst, sizeof(*(dst)), src) +#else +#define CORE_READ(dst, src) ({ \ + int __sz = sizeof(*(dst)) < sizeof(*(src)) ? sizeof(*(dst)) : \ + sizeof(*(src)); \ + bpf_core_read((char *)(dst) + sizeof(*(dst)) - __sz, __sz, \ + (const char *)(src) + sizeof(*(src)) - __sz); \ +}) +#endif SEC("raw_tracepoint/sys_enter") int test_core_mods(void *ctx) |