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 EA361C05027 for ; Fri, 20 Jan 2023 20:09:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229473AbjATUJa convert rfc822-to-8bit (ORCPT ); Fri, 20 Jan 2023 15:09:30 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53304 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229499AbjATUJa (ORCPT ); Fri, 20 Jan 2023 15:09:30 -0500 Received: from mx0a-00082601.pphosted.com (mx0b-00082601.pphosted.com [67.231.153.30]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 97BBB743B3 for ; Fri, 20 Jan 2023 12:09:29 -0800 (PST) Received: from pps.filterd (m0089730.ppops.net [127.0.0.1]) by m0089730.ppops.net (8.17.1.19/8.17.1.19) with ESMTP id 30KI7Hbs027768 for ; Fri, 20 Jan 2023 12:09:28 -0800 Received: from mail.thefacebook.com ([163.114.132.120]) by m0089730.ppops.net (PPS) with ESMTPS id 3n6vyjvdnj-2 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT) for ; Fri, 20 Jan 2023 12:09:28 -0800 Received: from twshared16837.02.prn6.facebook.com (2620:10d:c085:108::8) by mail.thefacebook.com (2620:10d:c085:11d::5) 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 12:09:27 -0800 Received: by devbig019.vll3.facebook.com (Postfix, from userid 137359) id E4E0A25B4B0A3; Fri, 20 Jan 2023 12:09:23 -0800 (PST) From: Andrii Nakryiko To: , , CC: , Subject: [PATCH v2 bpf-next 04/25] libbpf: complete mips spec in bpf_tracing.h Date: Fri, 20 Jan 2023 12:08:53 -0800 Message-ID: <20230120200914.3008030-5-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> X-FB-Internal: Safe Content-Type: text/plain X-Proofpoint-ORIG-GUID: XBsFkjRm7HFA5susnBH4EvQNF-t-LujB X-Proofpoint-GUID: XBsFkjRm7HFA5susnBH4EvQNF-t-LujB Content-Transfer-Encoding: 8BIT X-Proofpoint-UnRewURL: 0 URL was un-rewritten MIME-Version: 1.0 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 Add registers for PARM6 through PARM8. Add a link to an ABI. We don't distinguish between O32, N32, and N64, so document that we assume N64 right now. Signed-off-by: Andrii Nakryiko --- tools/lib/bpf/bpf_tracing.h | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/tools/lib/bpf/bpf_tracing.h b/tools/lib/bpf/bpf_tracing.h index a263f600e309..f356955b059a 100644 --- a/tools/lib/bpf/bpf_tracing.h +++ b/tools/lib/bpf/bpf_tracing.h @@ -201,11 +201,19 @@ struct pt_regs___arm64 { #elif defined(bpf_target_mips) +/* + * N64 ABI is assumed right now. + * https://en.wikipedia.org/wiki/MIPS_architecture#Calling_conventions + */ + #define __PT_PARM1_REG regs[4] #define __PT_PARM2_REG regs[5] #define __PT_PARM3_REG regs[6] #define __PT_PARM4_REG regs[7] #define __PT_PARM5_REG regs[8] +#define __PT_PARM6_REG regs[9] +#define __PT_PARM7_REG regs[10] +#define __PT_PARM8_REG regs[11] #define __PT_RET_REG regs[31] #define __PT_FP_REG regs[30] /* Works only with CONFIG_FRAME_POINTER */ #define __PT_RC_REG regs[2] -- 2.30.2