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libbpf: Add enum64 support for bpf linking

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Add BTF_KIND_ENUM64 support for bpf linking, which is
very similar to BTF_KIND_ENUM.

Acked-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Yonghong Song <yhs@fb.com>
Link: https://lore.kernel.org/r/20220607062642.3721494-1-yhs@fb.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
This commit is contained in:
Yonghong Song 2022-06-06 23:26:42 -07:00 committed by Alexei Starovoitov
parent f2a625889b
commit 6ec7d79be2
1 changed files with 2 additions and 0 deletions
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2
tools/lib/bpf/linker.c
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@ -1335,6 +1335,7 @@ recur:
case BTF_KIND_STRUCT: case BTF_KIND_STRUCT:
case BTF_KIND_UNION: case BTF_KIND_UNION:
case BTF_KIND_ENUM: case BTF_KIND_ENUM:
case BTF_KIND_ENUM64:
case BTF_KIND_FWD: case BTF_KIND_FWD:
case BTF_KIND_FUNC: case BTF_KIND_FUNC:
case BTF_KIND_VAR: case BTF_KIND_VAR:
@ -1357,6 +1358,7 @@ recur:
case BTF_KIND_INT: case BTF_KIND_INT:
case BTF_KIND_FLOAT: case BTF_KIND_FLOAT:
case BTF_KIND_ENUM: case BTF_KIND_ENUM:
case BTF_KIND_ENUM64:
/* ignore encoding for int and enum values for enum */ /* ignore encoding for int and enum values for enum */
if (t1->size != t2->size) { if (t1->size != t2->size) {
pr_warn("global '%s': incompatible %s '%s' size %u and %u\n", pr_warn("global '%s': incompatible %s '%s' size %u and %u\n",