From patchwork Mon Jul 26 03:58:00 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fangrui Song X-Patchwork-Id: 44469 Return-Path: X-Original-To: patchwork@sourceware.org Delivered-To: patchwork@sourceware.org Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id 2E846396E07E for ; Mon, 26 Jul 2021 03:59:40 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 2E846396E07E DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1627271980; bh=6ir1ITnMLazHZlcWUDo20zG7JCoLZdzz9poTAHaYI9o=; h=Date:In-Reply-To:References:Subject:To:List-Id:List-Unsubscribe: List-Archive:List-Post:List-Help:List-Subscribe:From:Reply-To:Cc: From; b=ebq4xSgc90bg+Xnjy6DY2q1zVAAnA/ouHJRSLCPdDww9dkbSasr2QKadkC6uKGtNc 5uDpPVCCghUMN7eJ9it/ZzvMESzrH9Te6X8YmOQCVSfT2NYp8iK9lhqHjkGpgaHCmx w7Cd2V0FC1SYIWB/GRlw5dpb4tkG6z60UH7Vhs24= X-Original-To: libc-alpha@sourceware.org Delivered-To: libc-alpha@sourceware.org Received: from mail-qv1-xf4a.google.com (mail-qv1-xf4a.google.com [IPv6:2607:f8b0:4864:20::f4a]) by sourceware.org (Postfix) with ESMTPS id AAEB13854809 for ; Mon, 26 Jul 2021 03:58:27 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org AAEB13854809 Received: by mail-qv1-xf4a.google.com with SMTP id t4-20020a0cef040000b02902e2f9404330so7194032qvr.9 for ; Sun, 25 Jul 2021 20:58:27 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:in-reply-to:message-id:mime-version :references:subject:from:to:cc; bh=6ir1ITnMLazHZlcWUDo20zG7JCoLZdzz9poTAHaYI9o=; b=rcq4eU/Wberp9Tlf35vvXeZk0+SZrVPkRxmHj+yRa5+uY9zHSlc8LB4KHDl7UsQUBC 03AWU88wPf6IkMGiRFMPRRf1ghYWEZe90hvOOKk/21ai3QkR1LL60oJfxqqwIhZYR0HU zcdKM9FcAf0Np3zD4blsXwCCuVffJNDaPd772vcHFQK82wz24HzPvDhLYUzyDUPhdEhn d+6FaIoGgWuqEZgVRHiHOhy5sVHJqp4TGcD2hEm1kHKzpOcxI3YZz72304EGz1qSEp9A HCBK20mNH54oHLA1w5MKoGuVnSBeb8WGVydKULImpisviKPpyFx3j679O+eiqPzbnMPz L7Yg== X-Gm-Message-State: AOAM530F+aN0gZ32RV66VvTExY5JyTAX1/WIEYnyO9W0CoTZ4u9Na86e Yj4XM+oNgTNtdzMUUDT3lEULJGV8xEDxHCOI5YICLOP8MmS1WFoFb+gYvHQ4yLvUle1GRoKKM4r ZIPyEj+7LzJN0r8NwQBJk9yALoh1iepGo4qMTiCN+uIuA9Ib4flBsZySQ0y/aEp+6Aj5B X-Google-Smtp-Source: ABdhPJzFjG7cL5VTk9hOtNJJEzmWMMst/jw/ICnPrQhTIj282nChUYFUvb1Y4iqYGA1kaOg+u9q3RZaiMsDp X-Received: from maskray1.svl.corp.google.com ([2620:15c:2ce:200:565c:23d5:ef81:9e9d]) (user=maskray job=sendgmr) by 2002:a05:6214:1909:: with SMTP id er9mr8312878qvb.26.1627271907153; Sun, 25 Jul 2021 20:58:27 -0700 (PDT) Date: Sun, 25 Jul 2021 20:58:00 -0700 In-Reply-To: <20210726035802.275992-1-maskray@google.com> Message-Id: <20210726035802.275992-2-maskray@google.com> Mime-Version: 1.0 References: <20210726035802.275992-1-maskray@google.com> Subject: [PATCH 1/3] elf: Replace .tls_common with .tbss definition To: libc-alpha@sourceware.org X-Spam-Status: No, score=-18.5 required=5.0 tests=BAYES_00, DKIMWL_WL_MED, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, GIT_PATCH_0, PDS_OTHER_BAD_TLD, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS, TXREP, USER_IN_DEF_DKIM_WL autolearn=ham autolearn_force=no version=3.4.4 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on server2.sourceware.org X-BeenThere: libc-alpha@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Libc-alpha mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-Patchwork-Original-From: Fangrui Song via Libc-alpha From: Fangrui Song Reply-To: Fangrui Song Cc: Fangrui Song Errors-To: libc-alpha-bounces+patchwork=sourceware.org@sourceware.org Sender: "Libc-alpha" .tls_common is obsoleted, not supported by clang -fintegrated-as or ld.lld. Just change it to .tbss for portability. --- elf/tls-macros.h | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/elf/tls-macros.h b/elf/tls-macros.h index e25e33b0f0..a637407417 100644 --- a/elf/tls-macros.h +++ b/elf/tls-macros.h @@ -1,7 +1,11 @@ /* Macros to support TLS testing in times of missing compiler support. */ #define COMMON_INT_DEF(x) \ - asm (".tls_common " #x ",4,4") + asm (".section .tbss\n\t" \ + ".globl " #x "\n\t" \ + ".balign 4\n\t" \ + #x ":\t.space 4\n\t" \ + ".previous") /* XXX Until we get compiler support we don't need declarations. */ #define COMMON_INT_DECL(x)