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=-13.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,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 9B0EDC433E0 for ; Fri, 31 Jul 2020 23:18:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7375F206DA for ; Fri, 31 Jul 2020 23:18:27 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b="CBwwwhRe" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727983AbgGaXS1 (ORCPT ); Fri, 31 Jul 2020 19:18:27 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47320 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727837AbgGaXST (ORCPT ); Fri, 31 Jul 2020 19:18:19 -0400 Received: from mail-pl1-x643.google.com (mail-pl1-x643.google.com [IPv6:2607:f8b0:4864:20::643]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B987DC06174A for ; Fri, 31 Jul 2020 16:18:17 -0700 (PDT) Received: by mail-pl1-x643.google.com with SMTP id bh1so5009571plb.12 for ; Fri, 31 Jul 2020 16:18:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=ASfOQ/kuJ12Krf5ZSehq5O7QSVOARTcDMayUR4wNtMg=; b=CBwwwhReWppNNFxkvHvxRIhoW1Pgu8rHz+Qem7CAjWQdaO5/GhluYGmbCsExNeTCUF GWVGhVmhGtziej1K0jwGNK4TJgftLk6BkDTi/Z0ZxQWg/3ennjOq71gQNscUJvF+p4mD yI8Dj9rogIG8+VxEZn7maN5u3Fg4sY5VJnsxM= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=ASfOQ/kuJ12Krf5ZSehq5O7QSVOARTcDMayUR4wNtMg=; b=pXj5WI/XgDHpUNwfkL137elHw2ItDUjsHR+luV92iGb+Ew7JwDx2RVHOtGa2IV4U5I IH9rRWU1kvlMmQzMlF+3hPJjTQE4nl9/TG+pDHPMVDIdk9dRsNgvH/hrJ2ckEgwWPOL/ S8q0oYl0vSw7aCiM0jNYsy/u3MXMG5sOZX+O+V6IHy3Yr48X+6WBQ91aDgMz4BQLnI/R zLZrbmXsabJMqMwheI3XpOoSQ/viBUQJt7/o0+4L+YTUz3Lybx9ekGZOVHYo1kx1UgsQ y6qZ9OoK3DdiYT2gZ498BsJ9Ei6CytxGFe0aA84zpzKg9viyvWpdWBTZ48b1ZN1OKG81 Vz4Q== X-Gm-Message-State: AOAM531UGr4kQZ6GBU8PfaxqKC2RSsqlu4MXQC+y8vKWkP0RtMz/GPG5 qzaYdjADifyGoWO7Kjua8y5HGQ== X-Google-Smtp-Source: ABdhPJznKgXN1lBTUHP4lNeyH9aApE9G8kuG5iWIGXTxrA6qwoEEfymIgb4tSDTdVf2K5qllv9bpTQ== X-Received: by 2002:a17:90b:196:: with SMTP id t22mr6432467pjs.13.1596237497321; Fri, 31 Jul 2020 16:18:17 -0700 (PDT) Received: from www.outflux.net (smtp.outflux.net. [198.145.64.163]) by smtp.gmail.com with ESMTPSA id l16sm10621043pff.167.2020.07.31.16.18.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 31 Jul 2020 16:18:14 -0700 (PDT) From: Kees Cook To: Thomas Gleixner , Will Deacon Cc: Kees Cook , Catalin Marinas , Mark Rutland , Ard Biesheuvel , Peter Collingbourne , James Morse , Borislav Petkov , Ingo Molnar , Russell King , Masahiro Yamada , Arvind Sankar , Nick Desaulniers , Nathan Chancellor , Arnd Bergmann , x86@kernel.org, clang-built-linux@googlegroups.com, linux-arch@vger.kernel.org, linux-efi@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v5 26/36] arm/boot: Handle all sections explicitly Date: Fri, 31 Jul 2020 16:08:10 -0700 Message-Id: <20200731230820.1742553-27-keescook@chromium.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200731230820.1742553-1-keescook@chromium.org> References: <20200731230820.1742553-1-keescook@chromium.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-efi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-efi@vger.kernel.org In preparation for warning on orphan sections, use common macros for debug sections, discards, and text stubs. Add discards for unwanted .note, and .rel sections. Signed-off-by: Kees Cook --- arch/arm/boot/compressed/vmlinux.lds.S | 20 ++++++++++---------- 1 file changed, 10 insertions(+), 10 deletions(-) diff --git a/arch/arm/boot/compressed/vmlinux.lds.S b/arch/arm/boot/compressed/vmlinux.lds.S index 09ac33f52814..b914be3a207b 100644 --- a/arch/arm/boot/compressed/vmlinux.lds.S +++ b/arch/arm/boot/compressed/vmlinux.lds.S @@ -2,6 +2,7 @@ /* * Copyright (C) 2000 Russell King */ +#include #ifdef CONFIG_CPU_ENDIAN_BE8 #define ZIMAGE_MAGIC(x) ( (((x) >> 24) & 0x000000ff) | \ @@ -17,8 +18,11 @@ ENTRY(_start) SECTIONS { /DISCARD/ : { + COMMON_DISCARDS *(.ARM.exidx*) *(.ARM.extab*) + *(.note.*) + *(.rel.*) /* * Discard any r/w data - this produces a link error if we have any, * which is required for PIC decompression. Local data generates @@ -36,9 +40,7 @@ SECTIONS *(.start) *(.text) *(.text.*) - *(.gnu.warning) - *(.glue_7t) - *(.glue_7) + ARM_STUBS_TEXT } .table : ALIGN(4) { _table_start = .; @@ -128,12 +130,10 @@ SECTIONS PROVIDE(__pecoff_data_size = ALIGN(512) - ADDR(.data)); PROVIDE(__pecoff_end = ALIGN(512)); - .stab 0 : { *(.stab) } - .stabstr 0 : { *(.stabstr) } - .stab.excl 0 : { *(.stab.excl) } - .stab.exclstr 0 : { *(.stab.exclstr) } - .stab.index 0 : { *(.stab.index) } - .stab.indexstr 0 : { *(.stab.indexstr) } - .comment 0 : { *(.comment) } + STABS_DEBUG + DWARF_DEBUG + ARM_DETAILS + + ARM_ASSERTS } ASSERT(_edata_real == _edata, "error: zImage file size is incorrect"); -- 2.25.1