Commit 4274929c authored Jun 28, 2022 by Joey Gouly Committed by Will Deacon Jun 28, 2022

arm64: vdso*: place got/plt sections in .rodata



The vDSO will not contain absolute relocations, so place these
sections in .rodata.

Signed-off-by: Joey Gouly <joey.gouly@arm.com>
Link: https://lore.kernel.org/linux-arm-kernel/00abb0c5-6360-0004-353f-e7a88b3bd22c@arm.com/
Cc: Will Deacon <will@kernel.org>
Cc: Vincenzo Frascino <vincenzo.frascino@arm.com>
Link: https://lore.kernel.org/r/20220628151307.35561-3-joey.gouly@arm.com


Signed-off-by: Will Deacon <will@kernel.org>

parent 5c4fb608

arch/arm64/kernel/vdso/vdso.lds.S

+5 −7

Original line number	Diff line number	Diff line
		@@ -52,17 +52,15 @@ SECTIONS

		.rela.dyn : ALIGN(8) { (.rela .rela) }

		.plt : {
		.rodata : {
		(.rodata)
		*(.got)
		*(.got.plt)
		*(.plt)
		(.plt.)
		*(.iplt)
		*(.igot .igot.plt)
		}

		.got : { *(.got) }
		.got.plt : { *(.got.plt) }

		.rodata : { (.rodata) } :text
		} :text

		_end = .;
		PROVIDE(end = .);

arch/arm64/kernel/vdso32/vdso.lds.S

+10 −13

Original line number	Diff line number	Diff line
		@@ -36,7 +36,15 @@ SECTIONS

		.dynamic : { *(.dynamic) } :text :dynamic

		.rodata : { (.rodata) } :text
		.rodata : {
		(.rodata)
		*(.got)
		*(.got.plt)
		*(.plt)
		*(.rel.iplt)
		*(.iplt)
		*(.igot.plt)
		} :text

		.text : {
		(.text)
		@@ -46,18 +54,7 @@ SECTIONS
		*(.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)
		}
		.rel.dyn : { (.rel) }

		ELF_DETAILS
		.ARM.exidx : { (.ARM.exidx) }