/* * This file is auto-generated. Modifications will be lost. * * See https://android.googlesource.com/platform/bionic/+/master/libc/kernel/ * for more information. */ #ifndef _UAPI__LINUX_BTF_H__ #define _UAPI__LINUX_BTF_H__ #include #define BTF_MAGIC 0xeB9F #define BTF_VERSION 1 struct btf_header { __u16 magic; __u8 version; __u8 flags; __u32 hdr_len; __u32 type_off; __u32 type_len; __u32 str_off; __u32 str_len; }; #define BTF_MAX_TYPE 0x000fffff #define BTF_MAX_NAME_OFFSET 0x00ffffff #define BTF_MAX_VLEN 0xffff struct btf_type { __u32 name_off; __u32 info; union { __u32 size; __u32 type; }; }; #define BTF_INFO_KIND(info) (((info) >> 24) & 0x1f) #define BTF_INFO_VLEN(info) ((info) & 0xffff) #define BTF_INFO_KFLAG(info) ((info) >> 31) enum { BTF_KIND_UNKN = 0, BTF_KIND_INT = 1, BTF_KIND_PTR = 2, BTF_KIND_ARRAY = 3, BTF_KIND_STRUCT = 4, BTF_KIND_UNION = 5, BTF_KIND_ENUM = 6, BTF_KIND_FWD = 7, BTF_KIND_TYPEDEF = 8, BTF_KIND_VOLATILE = 9, BTF_KIND_CONST = 10, BTF_KIND_RESTRICT = 11, BTF_KIND_FUNC = 12, BTF_KIND_FUNC_PROTO = 13, BTF_KIND_VAR = 14, BTF_KIND_DATASEC = 15, BTF_KIND_FLOAT = 16, BTF_KIND_DECL_TAG = 17, BTF_KIND_TYPE_TAG = 18, BTF_KIND_ENUM64 = 19, NR_BTF_KINDS, BTF_KIND_MAX = NR_BTF_KINDS - 1, }; #define BTF_INT_ENCODING(VAL) (((VAL) & 0x0f000000) >> 24) #define BTF_INT_OFFSET(VAL) (((VAL) & 0x00ff0000) >> 16) #define BTF_INT_BITS(VAL) ((VAL) & 0x000000ff) #define BTF_INT_SIGNED (1 << 0) #define BTF_INT_CHAR (1 << 1) #define BTF_INT_BOOL (1 << 2) struct btf_enum { __u32 name_off; __s32 val; }; struct btf_array { __u32 type; __u32 index_type; __u32 nelems; }; struct btf_member { __u32 name_off; __u32 type; __u32 offset; }; #define BTF_MEMBER_BITFIELD_SIZE(val) ((val) >> 24) #define BTF_MEMBER_BIT_OFFSET(val) ((val) & 0xffffff) struct btf_param { __u32 name_off; __u32 type; }; enum { BTF_VAR_STATIC = 0, BTF_VAR_GLOBAL_ALLOCATED = 1, BTF_VAR_GLOBAL_EXTERN = 2, }; enum btf_func_linkage { BTF_FUNC_STATIC = 0, BTF_FUNC_GLOBAL = 1, BTF_FUNC_EXTERN = 2, }; struct btf_var { __u32 linkage; }; struct btf_var_secinfo { __u32 type; __u32 offset; __u32 size; }; struct btf_decl_tag { __s32 component_idx; }; struct btf_enum64 { __u32 name_off; __u32 val_lo32; __u32 val_hi32; }; #endif