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arm64: vdso32: put ELF related sections in the linker script

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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>
Link: https://lore.kernel.org/r/20220510095834.32394-4-joey.gouly@arm.com
Signed-off-by: Will Deacon <will@kernel.org>
This commit is contained in:
Joey Gouly
2022-05-10 10:58:33 +01:00
committed by Will Deacon
parent e0ab20b20a
commit eeec7223b6
1 changed files with 21 additions and 1 deletions
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22
arch/arm64/kernel/vdso32/vdso.lds.S
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@ -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)