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 1BBC5C05027 for ; Fri, 20 Jan 2023 20:10:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229602AbjATUKP convert rfc822-to-8bit (ORCPT ); Fri, 20 Jan 2023 15:10:15 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54398 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229623AbjATUKO (ORCPT ); Fri, 20 Jan 2023 15:10:14 -0500 Received: from mx0a-00082601.pphosted.com (mx0a-00082601.pphosted.com [67.231.145.42]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0B591B4E36 for ; Fri, 20 Jan 2023 12:10:12 -0800 (PST) Received: from pps.filterd (m0044012.ppops.net [127.0.0.1]) by mx0a-00082601.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 30K8QOFv024125 for ; Fri, 20 Jan 2023 12:10:11 -0800 Received: from maileast.thefacebook.com ([163.114.130.16]) by mx0a-00082601.pphosted.com (PPS) with ESMTPS id 3n7g70wh4e-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT) for ; Fri, 20 Jan 2023 12:10:11 -0800 Received: from twshared19053.17.frc2.facebook.com (2620:10d:c0a8:1b::d) by mail.thefacebook.com (2620:10d:c0a8:83::6) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.34; Fri, 20 Jan 2023 12:10:10 -0800 Received: by devbig019.vll3.facebook.com (Postfix, from userid 137359) id C0F1425B4B1E7; Fri, 20 Jan 2023 12:10:00 -0800 (PST) From: Andrii Nakryiko To: , , CC: , Subject: [PATCH v2 bpf-next 22/25] libbpf: define arc syscall regs spec in bpf_tracing.h Date: Fri, 20 Jan 2023 12:09:11 -0800 Message-ID: <20230120200914.3008030-23-andrii@kernel.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20230120200914.3008030-1-andrii@kernel.org> References: <20230120200914.3008030-1-andrii@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8BIT X-FB-Internal: Safe Content-Type: text/plain X-Proofpoint-GUID: DhR5JRyXBn3KGuO6T69UQzh4EzvDcINc X-Proofpoint-ORIG-GUID: DhR5JRyXBn3KGuO6T69UQzh4EzvDcINc X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.219,Aquarius:18.0.930,Hydra:6.0.562,FMLib:17.11.122.1 definitions=2023-01-20_10,2023-01-20_01,2022-06-22_01 Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org Define explicit table of registers used for syscall argument passing. Signed-off-by: Andrii Nakryiko --- tools/lib/bpf/bpf_tracing.h | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) diff --git a/tools/lib/bpf/bpf_tracing.h b/tools/lib/bpf/bpf_tracing.h index 047dc84c7cc9..87fd2c774e73 100644 --- a/tools/lib/bpf/bpf_tracing.h +++ b/tools/lib/bpf/bpf_tracing.h @@ -392,13 +392,21 @@ struct pt_regs___arm64 { #define __PT_PARM6_REG scratch.r5 #define __PT_PARM7_REG scratch.r6 #define __PT_PARM8_REG scratch.r7 + +/* arc does not select ARCH_HAS_SYSCALL_WRAPPER. */ +#define PT_REGS_SYSCALL_REGS(ctx) ctx +#define __PT_PARM1_SYSCALL_REG __PT_PARM1_REG +#define __PT_PARM2_SYSCALL_REG __PT_PARM2_REG +#define __PT_PARM3_SYSCALL_REG __PT_PARM3_REG +#define __PT_PARM4_SYSCALL_REG __PT_PARM4_REG +#define __PT_PARM5_SYSCALL_REG __PT_PARM5_REG +#define __PT_PARM6_SYSCALL_REG __PT_PARM6_REG + #define __PT_RET_REG scratch.blink #define __PT_FP_REG scratch.fp #define __PT_RC_REG scratch.r0 #define __PT_SP_REG scratch.sp #define __PT_IP_REG scratch.ret -/* arc does not select ARCH_HAS_SYSCALL_WRAPPER. */ -#define PT_REGS_SYSCALL_REGS(ctx) ctx #elif defined(bpf_target_loongarch) -- 2.30.2