Commit cfd75c2d authored Jan 26, 2017 by Robert Schiele Committed by James Hogan Feb 17, 2017

MIPS: VDSO: Explicitly use -fno-asynchronous-unwind-tables



Not every toolchain has -fno-asynchronous-unwind-tables per default on
MIPS. This patch specifies the necessary option explicitly for VDSO
library build.

This prevents the following build failure:
GENVDSO arch/mips/vdso/vdso-image.c
arch/mips/vdso/genvdso: 'arch/mips/vdso/vdso.so.dbg' contains relocation sections
.../arch/mips/vdso/Makefile:84: recipe for target 'arch/mips/vdso/vdso-image.c' failed

Signed-off-by: Robert Schiele <rschiele@gmail.com>
Signed-off-by: Alexander Sverdlin <alexander.sverdlin@nokia.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: "Maciej W. Rozycki" <macro@imgtec.com>
Cc: Alexander Sverdlin <alexander.sverdlin@nokia.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/15127/


Signed-off-by: James Hogan <james.hogan@imgtec.com>

parent bdfdaf1a

arch/mips/vdso/Makefile

+1 −0

Original line number	Diff line number	Diff line
		@@ -11,6 +11,7 @@ cflags-vdso := $(ccflags-vdso) \
		$(filter -W%,$(filter-out -Wa$(comma)%,$(KBUILD_CFLAGS))) \
		-O2 -g -fPIC -fno-strict-aliasing -fno-common -fno-builtin -G 0 \
		-DDISABLE_BRANCH_PROFILING \
		$(call cc-option, -fno-asynchronous-unwind-tables) \
		$(call cc-option, -fno-stack-protector)
		aflags-vdso := $(ccflags-vdso) \
		-D__ASSEMBLY__ -Wa,-gdwarf-2

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