From patchwork Fri Aug 2 19:02:20 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michael Jeanson X-Patchwork-Id: 1968477 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=efficios.com header.i=@efficios.com header.a=rsa-sha256 header.s=smtpout1 header.b=KrfPI9hF; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=sourceware.org (client-ip=8.43.85.97; helo=server2.sourceware.org; envelope-from=libc-alpha-bounces~incoming=patchwork.ozlabs.org@sourceware.org; receiver=patchwork.ozlabs.org) Received: from server2.sourceware.org (server2.sourceware.org [8.43.85.97]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (secp384r1) server-digest SHA384) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4WbFct4yHxz1yYq for ; Sat, 3 Aug 2024 05:04:30 +1000 (AEST) Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id E622F385DDF9 for ; Fri, 2 Aug 2024 19:04:28 +0000 (GMT) X-Original-To: libc-alpha@sourceware.org Delivered-To: libc-alpha@sourceware.org Received: from smtpout.efficios.com (smtpout.efficios.com [IPv6:2607:5300:203:b2ee::31e5]) by sourceware.org (Postfix) with ESMTPS id E36AB385C6C7 for ; Fri, 2 Aug 2024 19:02:54 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org E36AB385C6C7 Authentication-Results: sourceware.org; dmarc=pass (p=none dis=none) header.from=efficios.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=efficios.com ARC-Filter: OpenARC Filter v1.0.0 sourceware.org E36AB385C6C7 Authentication-Results: server2.sourceware.org; arc=none smtp.remote-ip=2607:5300:203:b2ee::31e5 ARC-Seal: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1722625377; cv=none; b=iHdggzg66xlGPSTpSZWIweh22F2NjA/3hzHYawlGEQjN+NAOLHso/woBOh+SGhVE1ExxaqzQJhadngMOYdnxUYe56gGSjUE3BlqOc1lyXb8UQ1xekmeJqEDndTabz4QEep/d5eEbEDvf483ehMydBDGZoU3cvgfzCpyPikwyTps= ARC-Message-Signature: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1722625377; c=relaxed/simple; bh=4cEI3WnY/55P6iPHOeHIt0taPHUI+xEqdm/n6l6641U=; h=DKIM-Signature:From:To:Subject:Date:Message-Id:MIME-Version; b=DQKiatAnAltOw+GXu1kSMx/GBUYr1PeRkyGXdu6nx3pK9VghsojQ+uiuoA0vHpcJXQXowQbTbsQgT3z0ozesB95b4F9wGO55ZNAJmTc38bYCXSdROOpujAZHkwqqDskBK4xFNVfijOa8BSnC4tmbOSAYhJSDXoIUwc07qtDkIXw= ARC-Authentication-Results: i=1; server2.sourceware.org DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=efficios.com; s=smtpout1; t=1722625374; bh=4cEI3WnY/55P6iPHOeHIt0taPHUI+xEqdm/n6l6641U=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=KrfPI9hFrryqRTN/CjQBYT6lWQze69d4eS0eoevCpZh1toH2jdHN/cs8Gx6pCEFmG 3JhBIe8Ka3kPWOBxFR3J92l99knMyW0Q+UsybDu/lC72KFVICIegzih5XG9VYQeApF pFPMnbvy/adbLSmJTkzFSuap7AyMQcrFHaFBr/cqSUnSkjiot5DRjdFzETgD2eXfID R39Vf0hI7sDmPSKxiZDI39Lf+6zW6Q1oWwdFtWTlGvwNIThF6X+navhHFSFpbwqXPK Vp3lRDxa8SoQ574UM5EfDRnf/uRsVocIF9lqZlOjEfMRicUQxMuSLzjE0y4K6IP5bs YDMIGSO81aggQ== Received: from mj-deb12-aarch64-glibc.internal.efficios.com (192-222-143-198.qc.cable.ebox.net [192.222.143.198]) by smtpout.efficios.com (Postfix) with ESMTPSA id 4WbFb23xS2z1Fr1; Fri, 2 Aug 2024 15:02:54 -0400 (EDT) From: Michael Jeanson To: libc-alpha@sourceware.org Cc: Michael Jeanson , Florian Weimer , Carlos O'Donell , DJ Delorie , Mathieu Desnoyers Subject: [PATCH RFC v11 07/17] nptl: Add for m68k Date: Fri, 2 Aug 2024 15:02:20 -0400 Message-Id: <20240801-rseq-abi-v11-split-v11-7-b7bbc0138bfd@efficios.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240801-rseq-abi-v11-split-v11-0-b7bbc0138bfd@efficios.com> References: <20240801-rseq-abi-v11-split-v11-0-b7bbc0138bfd@efficios.com> MIME-Version: 1.0 X-Spam-Status: No, score=-11.9 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, GIT_PATCH_0, KAM_SHORT, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org X-BeenThere: libc-alpha@sourceware.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Libc-alpha mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: libc-alpha-bounces~incoming=patchwork.ozlabs.org@sourceware.org This will be required by the rseq extensible ABI implementation on all Linux architectures exposing the __rseq_size and __rseq_offset symbols to set the 'cpu_id' field so applications can test if rseq is registered. Signed-off-by: Michael Jeanson --- sysdeps/m68k/nptl/thread_pointer.h | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) diff --git a/sysdeps/m68k/nptl/thread_pointer.h b/sysdeps/m68k/nptl/thread_pointer.h new file mode 100644 index 0000000000..50f4df38da --- /dev/null +++ b/sysdeps/m68k/nptl/thread_pointer.h @@ -0,0 +1,30 @@ +/* __thread_pointer definition. m68k version. + Copyright (C) 2021-2024 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library. If not, see + . */ + +#ifndef _SYS_THREAD_POINTER_H +#define _SYS_THREAD_POINTER_H + +extern void * __m68k_read_tp (void); + +static inline void * +__thread_pointer (void) +{ + return __m68k_read_tp(); +} + +#endif /* _SYS_THREAD_POINTER_H */