From patchwork Mon Jun 15 20:14:41 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vineet Gupta X-Patchwork-Id: 1309725 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=sourceware.org (client-ip=2620:52:3:1:0:246e:9693:128c; helo=sourceware.org; envelope-from=libc-alpha-bounces@sourceware.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=sourceware.org Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; secure) header.d=sourceware.org header.i=@sourceware.org header.a=rsa-sha256 header.s=default header.b=H25QXV8k; dkim-atps=neutral Received: from sourceware.org (server2.sourceware.org [IPv6:2620:52:3:1:0:246e:9693:128c]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 49m2dl0jvLz9sRW for ; Tue, 16 Jun 2020 06:15:55 +1000 (AEST) Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id A57F7388C000; Mon, 15 Jun 2020 20:15:01 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org A57F7388C000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1592252101; bh=7Spy/Sjm43qPw9Esbe5XShvI/3gdtxePWPEvYjbOrbg=; h=To:Subject:Date:In-Reply-To:References:List-Id:List-Unsubscribe: List-Archive:List-Post:List-Help:List-Subscribe:From:Reply-To:Cc: From; b=H25QXV8kz4xj6MIm+YWFxffi8VacOVFgTdjjU3+ui5clYF+bxdpxhVBASzZsbiKMx xpoZVLqqVD128uMPX1UbShIcJ0XgMR+N50Vp1JPEqEUY/mP7lJallVWpT1HnJEl4su FM2279mt93EckHLCpSCKgt9wELljwiCF0ctSdWJE= X-Original-To: libc-alpha@sourceware.org Delivered-To: libc-alpha@sourceware.org Received: from smtprelay-out1.synopsys.com (smtprelay-out1.synopsys.com [149.117.87.133]) by sourceware.org (Postfix) with ESMTPS id 041CC388B00E for ; Mon, 15 Jun 2020 20:14:50 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org 041CC388B00E Received: from mailhost.synopsys.com (sv2-mailhost1.synopsys.com [10.205.2.133]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) by smtprelay-out1.synopsys.com (Postfix) with ESMTPS id 2DD33C0BB7; Mon, 15 Jun 2020 20:14:49 +0000 (UTC) Received: from vineetg-Latitude-7400.internal.synopsys.com (unknown [10.13.183.89]) by mailhost.synopsys.com (Postfix) with ESMTP id D04BEA00A1; Mon, 15 Jun 2020 20:14:48 +0000 (UTC) X-SNPS-Relay: synopsys.com To: libc-alpha@sourceware.org Subject: [PATCH v7 13/13] Documentation for ARC port Date: Mon, 15 Jun 2020 13:14:41 -0700 Message-Id: <20200615201441.31820-14-vgupta@synopsys.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200615201441.31820-1-vgupta@synopsys.com> References: <20200615201441.31820-1-vgupta@synopsys.com> MIME-Version: 1.0 X-Spam-Status: No, score=-14.3 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, GIT_PATCH_0, RCVD_IN_MSPIKE_H4, RCVD_IN_MSPIKE_WL, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) 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: Vineet Gupta via Libc-alpha From: Vineet Gupta Reply-To: Vineet Gupta Cc: Vineet Gupta , linux-snps-arc@lists.infradead.org Errors-To: libc-alpha-bounces@sourceware.org Sender: "Libc-alpha" --- NEWS | 11 +++++++++++ README | 1 + manual/install.texi | 4 ++++ 3 files changed, 16 insertions(+) Reviewed-by: Adhemerval Zanella diff --git a/NEWS b/NEWS index a660fc59a89e..db65fea8b6ec 100644 --- a/NEWS +++ b/NEWS @@ -15,6 +15,17 @@ Major new features: * New locale added: ckb_IQ (Kurdish/Sorani spoken in Iraq) +* Support for Synopsys ARC HS cores (ARCv2 ISA) running Linux has been + added. This port requires at least binutils-2.32, gcc-8.3 and Linux-5.1. + Three ABIs are supported: + + - arc-linux-gnu + - arc-linux-gnuhf + - arceb-linux-gnu + + The arc* ABI is little-endian while arceb is big-endian. All ABIs use + 64-bit time (y2038 safe) and 64-bit file offsets (LFS default). + * The GNU C Library now loads audit modules listed in the DT_AUDIT and DT_DEPAUDIT dynamic section entries of the main executable. diff --git a/README b/README index 31c5da0405bd..903f07e4840a 100644 --- a/README +++ b/README @@ -24,6 +24,7 @@ The GNU C Library supports these configurations for using Linux kernels: aarch64*-*-linux-gnu alpha*-*-linux-gnu + arc*-*-linux-gnu arm-*-linux-gnueabi csky-*-linux-gnuabiv2 hppa-*-linux-gnu diff --git a/manual/install.texi b/manual/install.texi index c1e49a94fed3..74cb90a91331 100644 --- a/manual/install.texi +++ b/manual/install.texi @@ -522,6 +522,8 @@ Library with support for IEEE long double. @c powerpc64le performs an autoconf test to verify the compiler compiles with @c commands like "$CC -c foo.c -mabi=ibmlongdouble -mlong-double-128". +For ARC architecture builds, GCC 8.3 or higher is needed. + For multi-arch support it is recommended to use a GCC which has been built with support for GNU indirect functions. This ensures that correct debugging information is generated for functions selected by IFUNC resolvers. This @@ -547,6 +549,8 @@ For PowerPC 64-bits little-endian (powerpc64le), @command{objcopy} is required to support @option{--update-section}. This option requires binutils 2.26 or newer. +ARC architecture needs @code{binutils} 2.32 or higher for TLS related fixes. + @item GNU @code{texinfo} 4.7 or later