From patchwork Fri Nov 3 15:59:11 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yuan Tan X-Patchwork-Id: 13444629 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 82FEDC41535 for ; Fri, 3 Nov 2023 15:59:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1344730AbjKCP7f (ORCPT ); Fri, 3 Nov 2023 11:59:35 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37474 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1344505AbjKCP7e (ORCPT ); Fri, 3 Nov 2023 11:59:34 -0400 Received: from bg4.exmail.qq.com (bg4.exmail.qq.com [43.154.54.12]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 39327D5F; Fri, 3 Nov 2023 08:59:29 -0700 (PDT) X-QQ-mid: bizesmtp64t1699027156tvs9nek9 Received: from main2-ubuntu.tail147f4.ts.net ( [202.201.15.117]) by bizesmtp.qq.com (ESMTP) with id ; Fri, 03 Nov 2023 23:59:13 +0800 (CST) X-QQ-SSF: 01200000000000B06000000A0000000 X-QQ-FEAT: znfcQSa1hKbGuZsoOVNlc1WvbvEkFGnTx1nx7spI6Tuzd0sHLnkw7AiMgni3t ZggaII50uNhW4y9QfvuvOyeS4F6auFyNTJw8NQCg+vLjRI5V2SC6LCN9adAn0v67sJ3OSX/ ApylcxyFajCfrERC+YlFJVy8SGFJrBzCX2pVZ4xg8IbilwZDlWfF607cx65tZkc/N5v0pBo 5KJ44BzBG+chXyP6BguFE6wzB2WGXdJq47gbtwJbgnW6dVctfCnU818SNsx7tWsczxLqyqh u4yC+u7f5c5hMGNKdyDBqUc2ZmUsHeTUO2gp5wzAo1jI1qkf08kTw9ItQQe6yQ05zfvbyXV s7UC4ZqDN0fbnt0BzlvuczseCniFWDH+IfzMMqsezOL6Jc3njt6dIop1FXbag== X-QQ-GoodBg: 0 X-BIZMAIL-ID: 3788500215190827511 From: Yuan Tan To: falcon@tinylab.org, arnd@arndb.de, linux-kernel@vger.kernel.org, linux-mips@vger.kernel.org, linux-riscv@lists.infradead.org, luc.vanoostenryck@gmail.com, linux-sparse@vger.kernel.org Cc: linux@weissschuh.net, palmer@rivosinc.com, paul.walmsley@sifive.com, paulburton@kernel.org, paulmck@kernel.org, tim.bird@sony.com, tsbogend@alpha.franken.de, w@1wt.eu, tanyuan@tinylab.org, i@maskray.me Subject: [PATCH v1 04/14] compiler: add unique LABEL_NAME() Date: Fri, 3 Nov 2023 23:59:11 +0800 Message-Id: X-Mailer: git-send-email 2.34.1 In-Reply-To: References: MIME-Version: 1.0 X-QQ-SENDSIZE: 520 Feedback-ID: bizesmtp:tinylab.org:qybglogicsvrgz:qybglogicsvrgz5a-1 Precedence: bulk List-ID: X-Mailing-List: linux-mips@vger.kernel.org From: Zhangjin Wu unique LABEL is required by SHF_LINK_ORDER support. Signed-off-by: Zhangjin Wu --- include/linux/compiler.h | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/include/linux/compiler.h b/include/linux/compiler.h index 5a9cc3209b12..b178f5d51ad6 100644 --- a/include/linux/compiler.h +++ b/include/linux/compiler.h @@ -246,6 +246,12 @@ static inline void *offset_to_ptr(const int *off) #endif #endif +/* Unique Label NAME. */ +/* Label is file scope, __LINE__ is enough, and not change in the same macro call */ +#ifndef __LABEL_NAME +# define __LABEL_NAME(prefix) __stringify(__PASTE(__PASTE(prefix, _), __LINE__)) +#endif + /* &a[0] degrades to a pointer: a different type from an array */ #define __must_be_array(a) BUILD_BUG_ON_ZERO(__same_type((a), &(a)[0]))