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 X-Spam-Level: X-Spam-Status: No, score=-8.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id BBF3BC31E51 for ; Tue, 18 Jun 2019 13:10:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8D6892084D for ; Tue, 18 Jun 2019 13:10:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729123AbfFRNK5 (ORCPT ); Tue, 18 Jun 2019 09:10:57 -0400 Received: from foss.arm.com ([217.140.110.172]:40276 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725988AbfFRNK4 (ORCPT ); Tue, 18 Jun 2019 09:10:56 -0400 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 0DF6E2B; Tue, 18 Jun 2019 06:10:56 -0700 (PDT) Received: from fuggles.cambridge.arm.com (usa-sjc-imap-foss1.foss.arm.com [10.121.207.14]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 08E253F718; Tue, 18 Jun 2019 06:10:54 -0700 (PDT) From: Will Deacon To: linux-kernel@vger.kernel.org Cc: dave.martin@arm.com, arnd@arndb.de, Will Deacon , Richard Henderson , Masahiro Yamada , Ard Biesheuvel Subject: [PATCH] genksyms: Teach parser about 128-bit built-in types Date: Tue, 18 Jun 2019 14:10:48 +0100 Message-Id: <20190618131048.543-1-will.deacon@arm.com> X-Mailer: git-send-email 2.11.0 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org __uint128_t crops up in a few files that export symbols to modules, so teach genksyms about it and the other GCC built-in 128-bit integer types so that we don't end up skipping the CRC generation for some symbols due to the parser failing to spot them: | WARNING: EXPORT symbol "kernel_neon_begin" [vmlinux] version | generation failed, symbol will not be versioned. | ld: arch/arm64/kernel/fpsimd.o: relocation R_AARCH64_ABS32 against | `__crc_kernel_neon_begin' can not be used when making a shared | object | ld: arch/arm64/kernel/fpsimd.o:(.data+0x0): dangerous relocation: | unsupported relocation Cc: Richard Henderson Cc: Masahiro Yamada Cc: Ard Biesheuvel Reported-by: Arnd Bergmann Signed-off-by: Will Deacon --- Without this patch, we're seeing arm64 build breakage in linux-next under some configurations. scripts/genksyms/keywords.c | 4 ++++ scripts/genksyms/parse.y | 2 ++ 2 files changed, 6 insertions(+) diff --git a/scripts/genksyms/keywords.c b/scripts/genksyms/keywords.c index 9f40bcd17d07..f6956aa41366 100644 --- a/scripts/genksyms/keywords.c +++ b/scripts/genksyms/keywords.c @@ -24,6 +24,10 @@ static struct resword { { "__volatile__", VOLATILE_KEYW }, { "__builtin_va_list", VA_LIST_KEYW }, + { "__int128", BUILTIN_INT_KEYW }, + { "__int128_t", BUILTIN_INT_KEYW }, + { "__uint128_t", BUILTIN_INT_KEYW }, + // According to rth, c99 defines "_Bool", __restrict", __restrict__", "restrict". KAO { "_Bool", BOOL_KEYW }, { "_restrict", RESTRICT_KEYW }, diff --git a/scripts/genksyms/parse.y b/scripts/genksyms/parse.y index 00a6d7e54971..1ebcf52cd0f9 100644 --- a/scripts/genksyms/parse.y +++ b/scripts/genksyms/parse.y @@ -76,6 +76,7 @@ static void record_compound(struct string_list **keyw, %token ATTRIBUTE_KEYW %token AUTO_KEYW %token BOOL_KEYW +%token BUILTIN_INT_KEYW %token CHAR_KEYW %token CONST_KEYW %token DOUBLE_KEYW @@ -263,6 +264,7 @@ simple_type_specifier: | VOID_KEYW | BOOL_KEYW | VA_LIST_KEYW + | BUILTIN_INT_KEYW | TYPE { (*$1)->tag = SYM_TYPEDEF; $$ = $1; } ; -- 2.11.0