From: Dave.Martin@arm.com (Dave Martin)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 8/9] ARM: add test for as supporting '.inst'
Date: Mon, 11 Nov 2013 18:16:46 +0000 [thread overview]
Message-ID: <20131111181646.GD3166@localhost.localdomain> (raw)
In-Reply-To: <1383935832-20865-9-git-send-email-ben.dooks@codethink.co.uk>
On Fri, Nov 08, 2013 at 06:37:11PM +0000, Ben Dooks wrote:
> Add a test for the assembler supporting .inst and then defining
> ARM_HAVE_INST for any position where this is needed.
>
> Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
> ---
> arch/arm/Makefile | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/arch/arm/Makefile b/arch/arm/Makefile
> index 0069697..d556a52 100644
> --- a/arch/arm/Makefile
> +++ b/arch/arm/Makefile
> @@ -36,6 +36,8 @@ MMUEXT := -nommu
> KBUILD_CFLAGS += $(call cc-option,-mno-unaligned-access)
> endif
>
> +KBUILD_CFLAGS += $(call as-instr,.inst 0x0,-DARM_HAVE_INST)
> +
It looks like all the .inst directive variants were added to gas at the
same time, so we know if .inst is there, .inst.n and .inst.w are there
too.
The above does seem to DTRT with gas-2.19 as well as modern versions
(though making GCC invoke a non-default assembler is painful...)
Acked-by: Dave Martin <Dave.Martin@arm.com>
Cheers
---Dave
next prev parent reply other threads:[~2013-11-11 18:16 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-11-08 18:37 [RFC] kprobes/kprobes-test fixes, .inst updates Ben Dooks
2013-11-08 18:37 ` [PATCH 1/9] ARM: fix missed big-endian fix in traps.c Ben Dooks
2013-11-08 18:37 ` [PATCH 2/9] ARM: kprobes: fix instruction fetch order with <asm/opcodes.h> Ben Dooks
2013-11-29 13:01 ` Taras Kondratiuk
2013-11-29 17:55 ` Ben Dooks
2013-11-08 18:37 ` [PATCH 3/9] ARM: kprobes-test: use <asm/opcodes.h> for instruction accesses Ben Dooks
2013-11-08 18:37 ` [PATCH 4/9] ARM: kprobes-test: Use <asm/opcodes.h> for ARM instruction building Ben Dooks
2013-11-29 11:55 ` Taras Kondratiuk
2013-11-08 18:37 ` [PATCH 5/9] ARM: kprobes-test: Use <asm/opcodes.h> for thumb instruction nuilding Ben Dooks
2013-11-08 18:37 ` [PATCH 6/9] ARM: kprobes-test: Workaround GAS .align bug Ben Dooks
2013-11-08 18:37 ` [PATCH 7/9] ARM: kprobes-test: fix next_instruction() Ben Dooks
2013-11-08 18:37 ` [PATCH 8/9] ARM: add test for as supporting '.inst' Ben Dooks
2013-11-11 18:16 ` Dave Martin [this message]
2013-11-08 18:37 ` [PATCH 9/9] ARM: asm/opcodes.h: use ARM_HAVE_INST to use .inst to build instructions Ben Dooks
2013-11-11 16:18 ` Dave Martin
2013-11-11 18:40 ` Dave Martin
2013-11-29 17:57 ` Taras Kondratiuk
2013-11-29 18:00 ` [RFC] kprobes/kprobes-test fixes, .inst updates Taras Kondratiuk
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