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[198.145.64.163]) by smtp.gmail.com with ESMTPSA id u5sm3268710pfm.149.2020.08.21.12.44.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 21 Aug 2020 12:44:25 -0700 (PDT) From: Kees Cook To: Ingo Molnar 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 v6 15/29] arm/build: Refactor linker script headers Date: Fri, 21 Aug 2020 12:42:56 -0700 Message-Id: <20200821194310.3089815-16-keescook@chromium.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200821194310.3089815-1-keescook@chromium.org> References: <20200821194310.3089815-1-keescook@chromium.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org In preparation for adding --orphan-handling=warn, refactor the linker script header includes, and extract common macros. Signed-off-by: Kees Cook --- arch/arm/{kernel => include/asm}/vmlinux.lds.h | 13 ++++++++----- arch/arm/kernel/vmlinux-xip.lds.S | 4 +--- arch/arm/kernel/vmlinux.lds.S | 4 +--- 3 files changed, 10 insertions(+), 11 deletions(-) rename arch/arm/{kernel => include/asm}/vmlinux.lds.h (96%) diff --git a/arch/arm/kernel/vmlinux.lds.h b/arch/arm/include/asm/vmlinux.lds.h similarity index 96% rename from arch/arm/kernel/vmlinux.lds.h rename to arch/arm/include/asm/vmlinux.lds.h index 381a8e105fa5..a08f4301b718 100644 --- a/arch/arm/kernel/vmlinux.lds.h +++ b/arch/arm/include/asm/vmlinux.lds.h @@ -1,4 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0 */ +#include #ifdef CONFIG_HOTPLUG_CPU #define ARM_CPU_DISCARD(x) @@ -49,8 +50,12 @@ EXIT_CALL \ ARM_MMU_DISCARD(*(.text.fixup)) \ ARM_MMU_DISCARD(*(__ex_table)) \ - *(.discard) \ - *(.discard.*) + COMMON_DISCARDS + +#define ARM_STUBS_TEXT \ + *(.gnu.warning) \ + *(.glue_7) \ + *(.glue_7t) #define ARM_TEXT \ IDMAP_TEXT \ @@ -64,9 +69,7 @@ CPUIDLE_TEXT \ LOCK_TEXT \ KPROBES_TEXT \ - *(.gnu.warning) \ - *(.glue_7) \ - *(.glue_7t) \ + ARM_STUBS_TEXT \ . = ALIGN(4); \ *(.got) /* Global offset table */ \ ARM_CPU_KEEP(PROC_INFO) diff --git a/arch/arm/kernel/vmlinux-xip.lds.S b/arch/arm/kernel/vmlinux-xip.lds.S index 3d4e88f08196..904c31fa20ed 100644 --- a/arch/arm/kernel/vmlinux-xip.lds.S +++ b/arch/arm/kernel/vmlinux-xip.lds.S @@ -9,15 +9,13 @@ #include -#include +#include #include #include #include #include #include -#include "vmlinux.lds.h" - OUTPUT_ARCH(arm) ENTRY(stext) diff --git a/arch/arm/kernel/vmlinux.lds.S b/arch/arm/kernel/vmlinux.lds.S index 5592f14b7e35..bb950c896a67 100644 --- a/arch/arm/kernel/vmlinux.lds.S +++ b/arch/arm/kernel/vmlinux.lds.S @@ -9,15 +9,13 @@ #else #include -#include +#include #include #include #include #include #include -#include "vmlinux.lds.h" - OUTPUT_ARCH(arm) ENTRY(stext) -- 2.25.1