From patchwork Wed Feb 22 11:55:06 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tiezhu Yang X-Patchwork-Id: 13149053 X-Patchwork-Delegate: bpf@iogearbox.net 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 C16C1C636D6 for ; Wed, 22 Feb 2023 11:55:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229880AbjBVLzZ (ORCPT ); Wed, 22 Feb 2023 06:55:25 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43270 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231146AbjBVLzZ (ORCPT ); Wed, 22 Feb 2023 06:55:25 -0500 Received: from loongson.cn (mail.loongson.cn [114.242.206.163]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id BD9393772E; Wed, 22 Feb 2023 03:55:22 -0800 (PST) Received: from loongson.cn (unknown [113.200.148.30]) by gateway (Coremail) with SMTP id _____8DxEzSpAvZj6pEDAA--.1805S3; Wed, 22 Feb 2023 19:55:21 +0800 (CST) Received: from linux.localdomain (unknown [113.200.148.30]) by localhost.localdomain (Coremail) with SMTP id AQAAf8Cx2r2nAvZjar04AA--.38065S3; Wed, 22 Feb 2023 19:55:19 +0800 (CST) From: Tiezhu Yang To: Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko Cc: bpf@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH bpf-next 1/3] libbpf: Use struct user_pt_regs to define __PT_REGS_CAST() for LoongArch Date: Wed, 22 Feb 2023 19:55:06 +0800 Message-Id: <1677066908-15224-2-git-send-email-yangtiezhu@loongson.cn> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1677066908-15224-1-git-send-email-yangtiezhu@loongson.cn> References: <1677066908-15224-1-git-send-email-yangtiezhu@loongson.cn> X-CM-TRANSID: AQAAf8Cx2r2nAvZjar04AA--.38065S3 X-CM-SenderInfo: p1dqw3xlh2x3gn0dqz5rrqw2lrqou0/ X-Coremail-Antispam: 1Uk129KBjvJXoW7ZF47GFWDKryDWr47tr1UZFb_yoW8Wr17pa 4UC347KayrWw1j9a4kWr4avr4akrZ3Xw4kAFyxWw4ftFWkJ3yrXr129F43Gry3J3yrtw4Y vF93K3W5AF1UWw7anT9S1TB71UUUUUUqnTZGkaVYY2UrUUUUj1kv1TuYvTs0mT0YCTnIWj qI5I8CrVACY4xI64kE6c02F40Ex7xfYxn0WfASr-VFAUDa7-sFnT9fnUUIcSsGvfJTRUUU b7AYFVCjjxCrM7AC8VAFwI0_Jr0_Gr1l1xkIjI8I6I8E6xAIw20EY4v20xvaj40_Wr0E3s 1l1IIY67AEw4v_Jrv_JF1l8cAvFVAK0II2c7xJM28CjxkF64kEwVA0rcxSw2x7M28EF7xv wVC0I7IYx2IY67AKxVWUCVW8JwA2z4x0Y4vE2Ix0cI8IcVCY1x0267AKxVW8JVWxJwA2z4 x0Y4vEx4A2jsIE14v26F4UJVW0owA2z4x0Y4vEx4A2jsIEc7CjxVAFwI0_Cr1j6rxdM2AI xVAIcxkEcVAq07x20xvEncxIr21l57IF6xkI12xvs2x26I8E6xACxx1l5I8CrVACY4xI64 kE6c02F40Ex7xfMcIj6xIIjxv20xvE14v26r126r1DMcIj6I8E87Iv67AKxVWxJVW8Jr1l Ox8S6xCaFVCjc4AY6r1j6r4UM4x0Y48IcxkI7VAKI48JMxAIw28IcxkI7VAKI48JMxC20s 026xCaFVCjc4AY6r1j6r4UMI8I3I0E5I8CrVAFwI0_Jr0_Jr4lx2IqxVCjr7xvwVAFwI0_ JrI_JrWlx4CE17CEb7AF67AKxVWUAVWUtwCIc40Y0x0EwIxGrwCI42IY6xIIjxv20xvE14 v26r1j6r1xMIIF0xvE2Ix0cI8IcVCY1x0267AKxVWUJVW8JwCI42IY6xAIw20EY4v20xva j40_Jr0_JF4lIxAIcVC2z280aVAFwI0_Gr0_Cr1lIxAIcVC2z280aVCY1x0267AKxVW8JV W8JrUvcSsGvfC2KfnxnUUI43ZEXa7IU1KFAJUUUUU== Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org X-Patchwork-Delegate: bpf@iogearbox.net LoongArch provides struct user_pt_regs instead of struct pt_regs to userspace, use struct user_pt_regs to define __PT_REGS_CAST() to fix the following build error: CLNG-BPF [test_maps] loop1.bpf.o progs/loop1.c:22:9: error: incomplete definition of type 'struct pt_regs' m = PT_REGS_RC(ctx); ^~~~~~~~~~~~~~~ tools/testing/selftests/bpf/tools/include/bpf/bpf_tracing.h:493:41: note: expanded from macro 'PT_REGS_RC' #define PT_REGS_RC(x) (__PT_REGS_CAST(x)->__PT_RC_REG) ~~~~~~~~~~~~~~~~~^ tools/testing/selftests/bpf/tools/include/bpf/bpf_helper_defs.h:20:8: note: forward declaration of 'struct pt_regs' struct pt_regs; ^ 1 error generated. make: *** [Makefile:572: tools/testing/selftests/bpf/loop1.bpf.o] Error 1 make: Leaving directory 'tools/testing/selftests/bpf' Signed-off-by: Tiezhu Yang --- tools/lib/bpf/bpf_tracing.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/tools/lib/bpf/bpf_tracing.h b/tools/lib/bpf/bpf_tracing.h index 6db88f4..137b13d 100644 --- a/tools/lib/bpf/bpf_tracing.h +++ b/tools/lib/bpf/bpf_tracing.h @@ -415,6 +415,8 @@ struct pt_regs___arm64 { * https://loongson.github.io/LoongArch-Documentation/LoongArch-ELF-ABI-EN.html */ +/* loongarch provides struct user_pt_regs instead of struct pt_regs to userspace */ +#define __PT_REGS_CAST(x) ((const struct user_pt_regs *)(x)) #define __PT_PARM1_REG regs[4] #define __PT_PARM2_REG regs[5] #define __PT_PARM3_REG regs[6]