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(localhost [IPv6:::1]) by gnu-cfl-3.localdomain (Postfix) with ESMTP id 08769740676; Tue, 9 Jan 2024 11:30:42 -0800 (PST) From: "H.J. Lu" To: libc-alpha@sourceware.org Cc: adhemerval.zanella@linaro.org, goldstein.w.n@gmail.com Subject: [PATCH 1/4] x86: Move x86-64 shadow stack startup codes Date: Tue, 9 Jan 2024 11:30:38 -0800 Message-ID: <20240109193041.3987157-2-hjl.tools@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240109193041.3987157-1-hjl.tools@gmail.com> References: <20240109193041.3987157-1-hjl.tools@gmail.com> MIME-Version: 1.0 X-Spam-Status: No, score=-3024.3 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, FREEMAIL_FROM, GIT_PATCH_0, KAM_SHORT, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS, TXREP, T_SCC_BODY_TEXT_LINE 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 Add sysdeps/i386/libc-start.h and move x86-64 shadow stack startup codes to sysdeps/x86_64/libc-start.h --- sysdeps/i386/libc-start.h | 25 +++++++++++++++++++++++++ sysdeps/{x86 => x86_64}/libc-start.h | 2 +- 2 files changed, 26 insertions(+), 1 deletion(-) create mode 100644 sysdeps/i386/libc-start.h rename sysdeps/{x86 => x86_64}/libc-start.h (98%) diff --git a/sysdeps/i386/libc-start.h b/sysdeps/i386/libc-start.h new file mode 100644 index 0000000000..c9b7d3614e --- /dev/null +++ b/sysdeps/i386/libc-start.h @@ -0,0 +1,25 @@ +/* i386 definitions for libc main startup. + Copyright (C) 2018-2024 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 SHARED +# define ARCH_SETUP_IREL() apply_irel () +# define ARCH_APPLY_IREL() +# ifndef ARCH_SETUP_TLS +# define ARCH_SETUP_TLS() __libc_setup_tls () +# endif +#endif /* !SHARED */ diff --git a/sysdeps/x86/libc-start.h b/sysdeps/x86_64/libc-start.h similarity index 98% rename from sysdeps/x86/libc-start.h rename to sysdeps/x86_64/libc-start.h index c3cc05888d..63fef17029 100644 --- a/sysdeps/x86/libc-start.h +++ b/sysdeps/x86_64/libc-start.h @@ -1,4 +1,4 @@ -/* X86 definitions for libc main startup. +/* x86-64 definitions for libc main startup. Copyright (C) 2018-2024 Free Software Foundation, Inc. This file is part of the GNU C Library.