From: Alexander Sverdlin <alexander.sverdlin@nokia.com> To: unlisted-recipients:; (no To-header on input) Cc: Alexander Sverdlin <alexander.sverdlin@nokia.com>, Robert Schiele <rschiele@gmail.com>, Ralf Baechle <ralf@linux-mips.org>, James Hogan <james.hogan@imgtec.com>, "Maciej W. Rozycki" <macro@imgtec.com>, <linux-mips@linux-mips.org> Subject: [PATCH] mips: vdso: Explicitly use -fno-asynchronous-unwind-tables Date: Thu, 26 Jan 2017 15:34:08 +0100 [thread overview] Message-ID: <20170126143408.2456-1-alexander.sverdlin@nokia.com> (raw) From: Robert Schiele <rschiele@gmail.com> 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: James Hogan <james.hogan@imgtec.com> Cc: "Maciej W. Rozycki" <macro@imgtec.com> Cc: Alexander Sverdlin <alexander.sverdlin@nokia.com> Cc: linux-mips@linux-mips.org --- arch/mips/vdso/Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/mips/vdso/Makefile b/arch/mips/vdso/Makefile index c3dc12a8b7d9..0512f56685c2 100644 --- a/arch/mips/vdso/Makefile +++ b/arch/mips/vdso/Makefile @@ -10,7 +10,7 @@ ccflags-vdso := \ 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 \ + -DDISABLE_BRANCH_PROFILING -fno-asynchronous-unwind-tables \ $(call cc-option, -fno-stack-protector) aflags-vdso := $(ccflags-vdso) \ -D__ASSEMBLY__ -Wa,-gdwarf-2 -- 2.11.0
WARNING: multiple messages have this Message-ID (diff)
From: Alexander Sverdlin <alexander.sverdlin@nokia.com> Cc: Alexander Sverdlin <alexander.sverdlin@nokia.com>, Robert Schiele <rschiele@gmail.com>, Ralf Baechle <ralf@linux-mips.org>, James Hogan <james.hogan@imgtec.com>, "Maciej W. Rozycki" <macro@imgtec.com>, linux-mips@linux-mips.org Subject: [PATCH] mips: vdso: Explicitly use -fno-asynchronous-unwind-tables Date: Thu, 26 Jan 2017 15:34:08 +0100 [thread overview] Message-ID: <20170126143408.2456-1-alexander.sverdlin@nokia.com> (raw) Message-ID: <20170126143408.mgBirYaVK5Ek35mkyZNF2wdlAR82MbiyfHjvW1i5jls@z> (raw) From: Robert Schiele <rschiele@gmail.com> 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: James Hogan <james.hogan@imgtec.com> Cc: "Maciej W. Rozycki" <macro@imgtec.com> Cc: Alexander Sverdlin <alexander.sverdlin@nokia.com> Cc: linux-mips@linux-mips.org --- arch/mips/vdso/Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/mips/vdso/Makefile b/arch/mips/vdso/Makefile index c3dc12a8b7d9..0512f56685c2 100644 --- a/arch/mips/vdso/Makefile +++ b/arch/mips/vdso/Makefile @@ -10,7 +10,7 @@ ccflags-vdso := \ 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 \ + -DDISABLE_BRANCH_PROFILING -fno-asynchronous-unwind-tables \ $(call cc-option, -fno-stack-protector) aflags-vdso := $(ccflags-vdso) \ -D__ASSEMBLY__ -Wa,-gdwarf-2 -- 2.11.0
next reply other threads:[~2017-01-26 14:34 UTC|newest] Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top 2017-01-26 14:34 Alexander Sverdlin [this message] 2017-01-26 14:34 ` [PATCH] mips: vdso: Explicitly use -fno-asynchronous-unwind-tables Alexander Sverdlin 2017-01-26 14:49 ` Maciej W. Rozycki 2017-01-26 14:49 ` Maciej W. Rozycki 2017-01-26 15:00 ` [PATCH v2] " Alexander Sverdlin 2017-01-26 15:00 ` Alexander Sverdlin 2017-02-17 13:38 ` James Hogan 2017-02-17 13:38 ` James Hogan
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