From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3AAEFC3F2D1 for ; Wed, 4 Mar 2020 01:55:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 12E49214D8 for ; Wed, 4 Mar 2020 01:55:44 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b="dydE0fdu" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387603AbgCDBzn (ORCPT ); Tue, 3 Mar 2020 20:55:43 -0500 Received: from mail-wr1-f66.google.com ([209.85.221.66]:46991 "EHLO mail-wr1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387592AbgCDBzn (ORCPT ); Tue, 3 Mar 2020 20:55:43 -0500 Received: by mail-wr1-f66.google.com with SMTP id j7so339074wrp.13 for ; Tue, 03 Mar 2020 17:55:42 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=LRL6J9WKtvx/RPJ0atWk9n/5aR6bK+oJrTzd62kZy8U=; b=dydE0fdupSCSgVGrBqAu7BEK7YS/h8wM7+7qNQDN2fplhkdABH767hEJX4e9Z4s7ki UGoRSNWWepKiAFpfQ80oZO021g8hSXTocLjcuZzQIzMr2c3DkJYJBBmgeFY/J54ftLGw dhWtOYBd6PtPRXMxKl7C8G2pXNOdr7Px4GHLM= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=LRL6J9WKtvx/RPJ0atWk9n/5aR6bK+oJrTzd62kZy8U=; b=EEVb+OQnhEskb5JTjT3CI9cBCY1xPSJdufBWF0ZX0vHh+AqVJngNBn89ZEX/mtmCXI NXoM3WRqoS+Kw63fXCmcYB9Cl8Ak+aKUnPhIFWDVWI6D9SwrtOIczh25CZIa3eRxA6t/ 9tI2XDDA1RvrsXhfVOk87lDoGaQHmukKnCtRpk3lXpDcnjm2FqkVhWYmmlaLhjyfV5VO ufEprnS9FySdvEhABT/ygXXXTctuwMpP20GIm1yOCxAaLeoLHhvis75TTlKSa4nLG2jJ spLscoNrPGNFp570iECjA2eBFvXsJyipV3B/M+AceW67fpzVXyC7RKYr52uIkmRwWs0s VhYg== X-Gm-Message-State: ANhLgQ30t5Hh2Czgc8SAgsyxzghV1UE48QBT/pE7ym7jmCDq8yKmuipx gmgxzu8PRJMzqAnMjHzNIzRpQQ== X-Google-Smtp-Source: ADFU+vsFTzDOzPrEEGIEWOFKPIMd52mPzRQ4gov9+uWYUBxtEJVUO56l4lizKPgU29gQYWP0AXCQqQ== X-Received: by 2002:a5d:62c9:: with SMTP id o9mr952253wrv.2.1583286941461; Tue, 03 Mar 2020 17:55:41 -0800 (PST) Received: from kpsingh-kernel.localdomain (77-56-209-237.dclient.hispeed.ch. [77.56.209.237]) by smtp.gmail.com with ESMTPSA id a184sm1475444wmf.29.2020.03.03.17.55.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 03 Mar 2020 17:55:40 -0800 (PST) From: KP Singh To: linux-security-module@vger.kernel.org, linux-kernel@vger.kernel.org, bpf@vger.kernel.org Cc: Andrii Nakryiko , Alexei Starovoitov , Daniel Borkmann , Paul Turner , Jann Horn , Florent Revest , Brendan Jackman Subject: [PATCH bpf-next v2 5/7] tools/libbpf: Add support for BPF_MODIFY_RETURN Date: Wed, 4 Mar 2020 02:55:26 +0100 Message-Id: <20200304015528.29661-6-kpsingh@chromium.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200304015528.29661-1-kpsingh@chromium.org> References: <20200304015528.29661-1-kpsingh@chromium.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: bpf-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org From: KP Singh Signed-off-by: KP Singh Acked-by: Andrii Nakryiko --- tools/lib/bpf/libbpf.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c index f8c4042e5855..223be01dc466 100644 --- a/tools/lib/bpf/libbpf.c +++ b/tools/lib/bpf/libbpf.c @@ -6288,6 +6288,10 @@ static const struct bpf_sec_def section_defs[] = { .expected_attach_type = BPF_TRACE_FENTRY, .is_attach_btf = true, .attach_fn = attach_trace), + SEC_DEF("fmod_ret/", TRACING, + .expected_attach_type = BPF_MODIFY_RETURN, + .is_attach_btf = true, + .attach_fn = attach_trace), SEC_DEF("fexit/", TRACING, .expected_attach_type = BPF_TRACE_FEXIT, .is_attach_btf = true, -- 2.20.1