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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id CF796C04A95 for ; Sat, 24 Sep 2022 00:33:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231841AbiIXAdZ (ORCPT ); Fri, 23 Sep 2022 20:33:25 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41010 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232018AbiIXAdY (ORCPT ); Fri, 23 Sep 2022 20:33:24 -0400 Received: from mx0a-00082601.pphosted.com (mx0a-00082601.pphosted.com [67.231.145.42]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 81BC5E7C21 for ; Fri, 23 Sep 2022 17:33:23 -0700 (PDT) Received: from pps.filterd (m0109334.ppops.net [127.0.0.1]) by mx0a-00082601.pphosted.com (8.17.1.5/8.17.1.5) with ESMTP id 28NM8xjM004641 for ; Fri, 23 Sep 2022 17:33:23 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fb.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding : content-type; s=facebook; bh=vddhZj21MWgpZQRKaOvJRA7yvb319058inROJEfRaUE=; b=oj4YpRF+nhy4HQFwd0ec8cNMAzeqHh+tPAx3de7vEhInZD9bSMCd1r45SIBhSPFl+ihb VLBYdgK4RMNuZKdVcYzfS26QquHvl3TDrz212BepJXiZdSdugMMbFbf7wbY22xDbbZiN wB0d3CizU7VLinYJg7xmUP23AWUhhVB4R54= Received: from maileast.thefacebook.com ([163.114.130.16]) by mx0a-00082601.pphosted.com (PPS) with ESMTPS id 3jsb1pwcyj-5 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT) for ; Fri, 23 Sep 2022 17:33:23 -0700 Received: from twshared13579.04.prn5.facebook.com (2620:10d:c0a8:1b::d) by mail.thefacebook.com (2620:10d:c0a8:82::d) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.31; Fri, 23 Sep 2022 17:33:19 -0700 Received: by devbig150.prn5.facebook.com (Postfix, from userid 187975) id E039B1082E419; Fri, 23 Sep 2022 17:33:13 -0700 (PDT) From: Jie Meng To: , , , CC: Jie Meng Subject: [PATCH bpf-next v2 2/2] bpf: Add selftests for lsh, rsh, arsh with reg operand Date: Fri, 23 Sep 2022 17:32:11 -0700 Message-ID: <20220924003211.775483-3-jmeng@fb.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20220924003211.775483-1-jmeng@fb.com> References: <20220924003211.775483-1-jmeng@fb.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-FB-Internal: Safe Content-Type: text/plain X-Proofpoint-GUID: ZtZphlt_zewvgm3zuyXmFQU7VJ-8vDIr X-Proofpoint-ORIG-GUID: ZtZphlt_zewvgm3zuyXmFQU7VJ-8vDIr X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.895,Hydra:6.0.528,FMLib:17.11.122.1 definitions=2022-09-23_10,2022-09-22_02,2022-06-22_01 Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org Current tests cover only shifts with an immediate as the source operand/shift counts; add a new test case to cover register operand. Signed-off-by: Jie Meng --- tools/testing/selftests/bpf/verifier/jit.c | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/tools/testing/selftests/bpf/verifier/jit.c b/tools/testing/s= elftests/bpf/verifier/jit.c index 79021c30e51e..44f2e0c614b8 100644 --- a/tools/testing/selftests/bpf/verifier/jit.c +++ b/tools/testing/selftests/bpf/verifier/jit.c @@ -20,6 +20,28 @@ .result =3D ACCEPT, .retval =3D 2, }, +{ + "jit: lsh, rsh, arsh by reg", + .insns =3D { + BPF_MOV64_IMM(BPF_REG_0, 1), + BPF_MOV64_IMM(BPF_REG_1, 0xff), + BPF_ALU64_REG(BPF_LSH, BPF_REG_1, BPF_REG_0), + BPF_ALU32_REG(BPF_LSH, BPF_REG_1, BPF_REG_0), + BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0x3fc, 1), + BPF_EXIT_INSN(), + BPF_ALU64_REG(BPF_RSH, BPF_REG_1, BPF_REG_0), + BPF_ALU32_REG(BPF_RSH, BPF_REG_1, BPF_REG_0), + BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0xff, 1), + BPF_EXIT_INSN(), + BPF_ALU64_REG(BPF_ARSH, BPF_REG_1, BPF_REG_0), + BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0x7f, 1), + BPF_EXIT_INSN(), + BPF_MOV64_IMM(BPF_REG_0, 2), + BPF_EXIT_INSN(), + }, + .result =3D ACCEPT, + .retval =3D 2, +}, { "jit: mov32 for ldimm64, 1", .insns =3D { --=20 2.30.2