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authorYonghong Song <yhs@fb.com>2021-09-14 15:30:09 -0700
committerAlexei Starovoitov <ast@kernel.org>2021-09-14 18:45:52 -0700
commit41ced4cd88020c9d4b71ff7c50d020f081efa4a0 (patch)
tree168463da95bacaf8873bc7742745c7d14845c3c0 /tools/include
parent8987ede3ed276f669eb88d952184e1d2bf42ea6b (diff)
btf: Change BTF_KIND_* macros to enums
Change BTF_KIND_* macros to enums so they are encoded in dwarf and appear in vmlinux.h. This will make it easier for bpf programs to use these constants without macro definitions. Signed-off-by: Yonghong Song <yhs@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Acked-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20210914223009.245307-1-yhs@fb.com
Diffstat (limited to 'tools/include')
-rw-r--r--tools/include/uapi/linux/btf.h41
1 files changed, 22 insertions, 19 deletions
diff --git a/tools/include/uapi/linux/btf.h b/tools/include/uapi/linux/btf.h
index d27b1708efe9..10e401073dd1 100644
--- a/tools/include/uapi/linux/btf.h
+++ b/tools/include/uapi/linux/btf.h
@@ -56,25 +56,28 @@ struct btf_type {
#define BTF_INFO_VLEN(info) ((info) & 0xffff)
#define BTF_INFO_KFLAG(info) ((info) >> 31)
-#define BTF_KIND_UNKN 0 /* Unknown */
-#define BTF_KIND_INT 1 /* Integer */
-#define BTF_KIND_PTR 2 /* Pointer */
-#define BTF_KIND_ARRAY 3 /* Array */
-#define BTF_KIND_STRUCT 4 /* Struct */
-#define BTF_KIND_UNION 5 /* Union */
-#define BTF_KIND_ENUM 6 /* Enumeration */
-#define BTF_KIND_FWD 7 /* Forward */
-#define BTF_KIND_TYPEDEF 8 /* Typedef */
-#define BTF_KIND_VOLATILE 9 /* Volatile */
-#define BTF_KIND_CONST 10 /* Const */
-#define BTF_KIND_RESTRICT 11 /* Restrict */
-#define BTF_KIND_FUNC 12 /* Function */
-#define BTF_KIND_FUNC_PROTO 13 /* Function Proto */
-#define BTF_KIND_VAR 14 /* Variable */
-#define BTF_KIND_DATASEC 15 /* Section */
-#define BTF_KIND_FLOAT 16 /* Floating point */
-#define BTF_KIND_MAX BTF_KIND_FLOAT
-#define NR_BTF_KINDS (BTF_KIND_MAX + 1)
+enum {
+ BTF_KIND_UNKN = 0, /* Unknown */
+ BTF_KIND_INT = 1, /* Integer */
+ BTF_KIND_PTR = 2, /* Pointer */
+ BTF_KIND_ARRAY = 3, /* Array */
+ BTF_KIND_STRUCT = 4, /* Struct */
+ BTF_KIND_UNION = 5, /* Union */
+ BTF_KIND_ENUM = 6, /* Enumeration */
+ BTF_KIND_FWD = 7, /* Forward */
+ BTF_KIND_TYPEDEF = 8, /* Typedef */
+ BTF_KIND_VOLATILE = 9, /* Volatile */
+ BTF_KIND_CONST = 10, /* Const */
+ BTF_KIND_RESTRICT = 11, /* Restrict */
+ BTF_KIND_FUNC = 12, /* Function */
+ BTF_KIND_FUNC_PROTO = 13, /* Function Proto */
+ BTF_KIND_VAR = 14, /* Variable */
+ BTF_KIND_DATASEC = 15, /* Section */
+ BTF_KIND_FLOAT = 16, /* Floating point */
+
+ NR_BTF_KINDS,
+ BTF_KIND_MAX = NR_BTF_KINDS - 1,
+};
/* For some specific BTF_KIND, "struct btf_type" is immediately
* followed by extra data.