From: Joey Gouly <joey.gouly@arm.com>
To: <linux-arm-kernel@lists.infradead.org>
Cc: <nd@arm.com>, <catalin.marinas@arm.com>, <joey.gouly@arm.com>,
<keescook@chromium.org>, <masahiroy@kernel.org>,
<vincenzo.frascino@arm.com>, <will@kernel.org>
Subject: [PATCH v5 3/4] arm64: vdso32: put ELF related sections in the linker script
Date: Tue, 10 May 2022 10:58:33 +0100 [thread overview]
Message-ID: <20220510095834.32394-4-joey.gouly@arm.com> (raw)
In-Reply-To: <20220510095834.32394-1-joey.gouly@arm.com>
Use macros from vmlinux.lds.h to explicitly name sections that are included
in the compat VDSO32 output.
Signed-off-by: Joey Gouly <joey.gouly@arm.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: Masahiro Yamada <masahiroy@kernel.org>
Cc: Vincenzo Frascino <vincenzo.frascino@arm.com>
Cc: Kees Cook <keescook@chromium.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Vincenzo Frascino <vincenzo.frascino@arm.com>
---
arch/arm64/kernel/vdso32/vdso.lds.S | 22 +++++++++++++++++++++-
1 file changed, 21 insertions(+), 1 deletion(-)
diff --git a/arch/arm64/kernel/vdso32/vdso.lds.S b/arch/arm64/kernel/vdso32/vdso.lds.S
index 3348ce5ea306..120cf422036f 100644
--- a/arch/arm64/kernel/vdso32/vdso.lds.S
+++ b/arch/arm64/kernel/vdso32/vdso.lds.S
@@ -11,6 +11,7 @@
#include <linux/const.h>
#include <asm/page.h>
#include <asm/vdso.h>
+#include <asm-generic/vmlinux.lds.h>
OUTPUT_FORMAT("elf32-littlearm", "elf32-bigarm", "elf32-littlearm")
OUTPUT_ARCH(arm)
@@ -37,10 +38,29 @@ SECTIONS
.rodata : { *(.rodata*) } :text
- .text : { *(.text*) } :text =0xe7f001f2
+ .text : {
+ *(.text*)
+ *(.glue_7)
+ *(.glue_7t)
+ *(.vfp11_veneer)
+ *(.v4_bx)
+ } :text =0xe7f001f2
+
+ .rel.dyn : { *(.rel.text) }
.got : { *(.got) }
+ .rel.got : { *(.rel.got) }
+ .got.plt : { *(.got.plt) }
.rel.plt : { *(.rel.plt) }
+ .plt : {
+ *(.plt)
+ *(.rel.iplt)
+ *(.iplt)
+ *(.igot.plt)
+ }
+
+ ELF_DETAILS
+ .ARM.attributes 0 : { *(.ARM.attributes) }
/DISCARD/ : {
*(.note.GNU-stack)
--
2.17.1
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next prev parent reply other threads:[~2022-05-10 10:03 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-05-10 9:58 [PATCH v5 0/4] Enable orphan-handling=warn for VDSO Joey Gouly
2022-05-10 9:58 ` [PATCH v5 1/4] arm64: vdso: put ELF related sections in the linker script Joey Gouly
2022-05-10 10:39 ` Vincenzo Frascino
2022-05-10 9:58 ` [PATCH v5 2/4] arm64: vdso: enable orphan handling for VDSO Joey Gouly
2022-05-10 9:58 ` Joey Gouly [this message]
2022-05-10 9:58 ` [PATCH v5 4/4] arm64: vdso32: " Joey Gouly
2022-06-23 17:53 ` [PATCH v5 0/4] Enable orphan-handling=warn " Will Deacon
2022-06-23 18:05 ` Joey Gouly
2022-06-23 19:34 ` Will Deacon
2022-06-23 19:31 ` Will Deacon
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