[v6,17/29] arm/build: Add missing sections

Message ID	20200821194310.3089815-18-keescook@chromium.org
State	Accepted
Commit	512dd2eebe5585893412e0c8bec8dbfe2dead6c8
Headers	show Return-Path: <SRS0=vbuA=B7=vger.kernel.org=linux-efi-owner@kernel.org> From: Kees Cook <keescook@chromium.org> To: Ingo Molnar <mingo@kernel.org> Cc: Kees Cook <keescook@chromium.org>, Nick Desaulniers <ndesaulniers@google.com>, Catalin Marinas <catalin.marinas@arm.com>, Mark Rutland <mark.rutland@arm.com>, Ard Biesheuvel <ardb@kernel.org>, Peter Collingbourne <pcc@google.com>, James Morse <james.morse@arm.com>, Borislav Petkov <bp@suse.de>, Ingo Molnar <mingo@redhat.com>, Russell King <linux@armlinux.org.uk>, Masahiro Yamada <masahiroy@kernel.org>, Arvind Sankar <nivedita@alum.mit.edu>, Nathan Chancellor <natechancellor@gmail.com>, Arnd Bergmann <arnd@arndb.de>, 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 17/29] arm/build: Add missing sections Date: Fri, 21 Aug 2020 12:42:58 -0700 Message-Id: <20200821194310.3089815-18-keescook@chromium.org> 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-efi-owner@vger.kernel.org Precedence: bulk
Series	Warn on orphan section placement \| expand [v6,00/29] Warn on orphan section placement [v6,01/29] vmlinux.lds.h: Create COMMON_DISCARDS [v6,03/29] vmlinux.lds.h: Avoid KASAN and KCSAN's unwanted sections [v6,08/29] arm64/mm: Remove needless section quotes [v6,09/29] arm64/kernel: Remove needless Call Frame Information annotations [v6,12/29] arm64/build: Add missing DWARF sections [v6,14/29] arm64/build: Warn on orphan section placement [v6,15/29] arm/build: Refactor linker script headers [v6,16/29] arm/build: Explicitly keep .ARM.attributes sections [v6,17/29] arm/build: Add missing sections [v6,21/29] arm/boot: Warn on orphan section placement [v6,22/29] x86/asm: Avoid generating unused kprobe sections [v6,24/29] x86/build: Assert for unwanted sections [v6,28/29] x86/boot/compressed: Add missing debugging sections to output [v6,29/29] x86/boot/compressed: Warn on orphan section placement

Message ID

20200821194310.3089815-18-keescook@chromium.org

State

Accepted

Commit

512dd2eebe5585893412e0c8bec8dbfe2dead6c8

Headers

From: Kees Cook <keescook@chromium.org>
To: Ingo Molnar <mingo@kernel.org>
Cc: Kees Cook <keescook@chromium.org>,
	Nick Desaulniers <ndesaulniers@google.com>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Mark Rutland <mark.rutland@arm.com>, Ard Biesheuvel <ardb@kernel.org>,
	Peter Collingbourne <pcc@google.com>, James Morse <james.morse@arm.com>,
	Borislav Petkov <bp@suse.de>, Ingo Molnar <mingo@redhat.com>,
	Russell King <linux@armlinux.org.uk>,
	Masahiro Yamada <masahiroy@kernel.org>,
	Arvind Sankar <nivedita@alum.mit.edu>,
	Nathan Chancellor <natechancellor@gmail.com>,
	Arnd Bergmann <arnd@arndb.de>, 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 17/29] arm/build: Add missing sections
Date: Fri, 21 Aug 2020 12:42:58 -0700
Message-Id: <20200821194310.3089815-18-keescook@chromium.org>
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-efi-owner@vger.kernel.org
Precedence: bulk

Series

Warn on orphan section placement | expand

Commit Message

Kees Cook Aug. 21, 2020, 7:42 p.m. UTC

Add missing text stub sections .vfp11_veneer and .v4_bx, as well as
missing DWARF sections, when present in the build.

Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
---
 arch/arm/include/asm/vmlinux.lds.h | 4 +++-
 arch/arm/kernel/vmlinux-xip.lds.S  | 1 +
 arch/arm/kernel/vmlinux.lds.S      | 1 +
 3 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/arch/arm/include/asm/vmlinux.lds.h b/arch/arm/include/asm/vmlinux.lds.h
index c4af5182ab48..6624dd97475c 100644
--- a/arch/arm/include/asm/vmlinux.lds.h
+++ b/arch/arm/include/asm/vmlinux.lds.h
@@ -59,7 +59,9 @@ 
 #define ARM_STUBS_TEXT							\
 		*(.gnu.warning)						\
 		*(.glue_7)						\
-		*(.glue_7t)
+		*(.glue_7t)						\
+		*(.vfp11_veneer)                                        \
+		*(.v4_bx)
 
 #define ARM_TEXT							\
 		IDMAP_TEXT						\
diff --git a/arch/arm/kernel/vmlinux-xip.lds.S b/arch/arm/kernel/vmlinux-xip.lds.S
index 57fcbf55f913..11ffa79751da 100644
--- a/arch/arm/kernel/vmlinux-xip.lds.S
+++ b/arch/arm/kernel/vmlinux-xip.lds.S
@@ -150,6 +150,7 @@  SECTIONS
 	_end = .;
 
 	STABS_DEBUG
+	DWARF_DEBUG
 	ARM_DETAILS
 }
 
diff --git a/arch/arm/kernel/vmlinux.lds.S b/arch/arm/kernel/vmlinux.lds.S
index 1d3d3b599635..dc672fe35de3 100644
--- a/arch/arm/kernel/vmlinux.lds.S
+++ b/arch/arm/kernel/vmlinux.lds.S
@@ -149,6 +149,7 @@  SECTIONS
 	_end = .;
 
 	STABS_DEBUG
+	DWARF_DEBUG
 	ARM_DETAILS
 }

[v6,17/29] arm/build: Add missing sections

Commit Message

Patch