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| author | Andrii Nakryiko <andrii@kernel.org> | 2024-06-05 02:16:28 +0200 |
|---|---|---|
| committer | Daniel Borkmann <daniel@iogearbox.net> | 2024-06-05 16:54:41 +0200 |
| commit | e1a8630291fde2a0edac2955e3df48587dac9906 (patch) | |
| tree | ebacd0fe8e6d496e80d78e9a14af3d39bdc52525 /tools | |
| parent | libbpf: Make use of BTF field iterator in BTF handling code (diff) | |
| download | linux-e1a8630291fde2a0edac2955e3df48587dac9906.tar.xz linux-e1a8630291fde2a0edac2955e3df48587dac9906.zip | |
bpftool: Use BTF field iterator in btfgen
Switch bpftool's code which is using libbpf-internal
btf_type_visit_type_ids() helper to new btf_field_iter functionality.
This makes bpftool code simpler, but also unblocks removing libbpf's
btf_type_visit_type_ids() helper completely.
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Tested-by: Alan Maguire <alan.maguire@oracle.com>
Reviewed-by: Quentin Monnet <qmo@kernel.org>
Acked-by: Eduard Zingerman <eddyz87@gmail.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Link: https://lore.kernel.org/bpf/20240605001629.4061937-5-andrii@kernel.org
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/bpf/bpftool/gen.c | 16 |
1 files changed, 6 insertions, 10 deletions
diff --git a/tools/bpf/bpftool/gen.c b/tools/bpf/bpftool/gen.c index b3979ddc0189..d244a7de387e 100644 --- a/tools/bpf/bpftool/gen.c +++ b/tools/bpf/bpftool/gen.c @@ -2379,15 +2379,6 @@ out: return err; } -static int btfgen_remap_id(__u32 *type_id, void *ctx) -{ - unsigned int *ids = ctx; - - *type_id = ids[*type_id]; - - return 0; -} - /* Generate BTF from relocation information previously recorded */ static struct btf *btfgen_get_btf(struct btfgen_info *info) { @@ -2467,10 +2458,15 @@ static struct btf *btfgen_get_btf(struct btfgen_info *info) /* second pass: fix up type ids */ for (i = 1; i < btf__type_cnt(btf_new); i++) { struct btf_type *btf_type = (struct btf_type *) btf__type_by_id(btf_new, i); + struct btf_field_iter it; + __u32 *type_id; - err = btf_type_visit_type_ids(btf_type, btfgen_remap_id, ids); + err = btf_field_iter_init(&it, btf_type, BTF_FIELD_ITER_IDS); if (err) goto err_out; + + while ((type_id = btf_field_iter_next(&it))) + *type_id = ids[*type_id]; } free(ids); |