From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yonghong Song Subject: [PATCH bpf-next v4 03/13] tools/bpf: sync kernel btf.h header Date: Thu, 8 Nov 2018 12:37:15 -0800 Message-ID: <20181108203718.3139024-1-yhs@fb.com> Mime-Version: 1.0 Content-Type: text/plain Cc: , Martin KaFai Lau To: , , Return-path: Received: from mx0b-00082601.pphosted.com ([67.231.153.30]:46594 "EHLO mx0a-00082601.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727396AbeKIGOm (ORCPT ); Fri, 9 Nov 2018 01:14:42 -0500 Received: from pps.filterd (m0001255.ppops.net [127.0.0.1]) by mx0b-00082601.pphosted.com (8.16.0.22/8.16.0.22) with SMTP id wA8KbT1c007590 for ; Thu, 8 Nov 2018 12:37:32 -0800 Received: from maileast.thefacebook.com ([199.201.65.23]) by mx0b-00082601.pphosted.com with ESMTP id 2nmns8sjb2-6 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT) for ; Thu, 08 Nov 2018 12:37:32 -0800 Sender: netdev-owner@vger.kernel.org List-ID: The kernel uapi btf.h is synced to the tools directory. Signed-off-by: Martin KaFai Lau Signed-off-by: Yonghong Song --- tools/include/uapi/linux/btf.h | 17 ++++++++++++++--- 1 file changed, 14 insertions(+), 3 deletions(-) diff --git a/tools/include/uapi/linux/btf.h b/tools/include/uapi/linux/btf.h index 972265f32871..9e7c74a83ee7 100644 --- a/tools/include/uapi/linux/btf.h +++ b/tools/include/uapi/linux/btf.h @@ -40,7 +40,8 @@ struct btf_type { /* "size" is used by INT, ENUM, STRUCT and UNION. * "size" tells the size of the type it is describing. * - * "type" is used by PTR, TYPEDEF, VOLATILE, CONST and RESTRICT. + * "type" is used by PTR, TYPEDEF, VOLATILE, CONST, RESTRICT + * and FUNC. * "type" is a type_id referring to another type. */ union { @@ -64,8 +65,9 @@ struct btf_type { #define BTF_KIND_VOLATILE 9 /* Volatile */ #define BTF_KIND_CONST 10 /* Const */ #define BTF_KIND_RESTRICT 11 /* Restrict */ -#define BTF_KIND_MAX 11 -#define NR_BTF_KINDS 12 +#define BTF_KIND_FUNC 12 /* Function */ +#define BTF_KIND_MAX 12 +#define NR_BTF_KINDS 13 /* For some specific BTF_KIND, "struct btf_type" is immediately * followed by extra data. @@ -110,4 +112,13 @@ struct btf_member { __u32 offset; /* offset in bits */ }; +/* BTF_KIND_FUNC is followed by multiple "struct btf_param". + * The exact number of btf_param is stored in the vlen (of the + * info in "struct btf_type"). + */ +struct btf_param { + __u32 name_off; + __u32 type; +}; + #endif /* _UAPI__LINUX_BTF_H__ */ -- 2.17.1