[OE-core] [BUG REPORT] failed to build valgrind on qemuarm

[Rongqing Li]

On 2016年01月20日 04:20, Andre McCurdy wrote:
> On Mon, Jan 18, 2016 at 11:27 PM, Rongqing Li <rongqing.li at windriver.com> wrote:
>>
>> 2: on qemuarma9
>>
>
> The problem seems to be that the machine doesn't support NEON and
> Valgrind 3.11 includes a new test case which uses embedded NEON
> instructions.
>
> We do already disable a few tests which don't build for all ARM
> machines (see "remove-arm-variant-specific.patch"), so maybe the
> "sh-mem-random" test should be disabled as well. I'll take a look.
>
> What DEFAULTTUNE does the qemuarma9 machine use?
>

DEFAULTTUNE="armv7at"

thanks

-Roy

>>
>> | arm-wrs-linux-gnueabi-gcc -march=armv7-a -mfloat-abi=softfp  -marm
>> -mthumb-interwork
>> --sysroot=/work/wr/buildarea/arm/bitbake_build/tmp/sysroots/qemuarma9
>> -DHAVE_CONFIG_H -I.
>> -I/work/wr/buildarea/arm/bitbake_build/tmp/work/armv7a-vfp-wrs-linux-gnueabi/valgrind/3.11.0-r0/valgrind-3.11.0/memcheck/tests
>> -I../..
>> -I/work/wr/buildarea/arm/bitbake_build/tmp/work/armv7a-vfp-wrs-linux-gnueabi/valgrind/3.11.0-r0/valgrind-3.11.0
>> -I/work/wr/buildarea/arm/bitbake_build/tmp/work/armv7a-vfp-wrs-linux-gnueabi/valgrind/3.11.0-r0/valgrind-3.11.0/include
>> -I/work/wr/buildarea/arm/bitbake_build/tmp/work/armv7a-vfp-wrs-linux-gnueabi/valgrind/3.11.0-r0/valgrind-3.11.0/coregrind
>> -I../../include
>> -I/work/wr/buildarea/arm/bitbake_build/tmp/work/armv7a-vfp-wrs-linux-gnueabi/valgrind/3.11.0-r0/valgrind-3.11.0/VEX/pub
>> -I../../VEX/pub -DVGA_arm=1 -DVGO_linux=1 -DVGP_arm_linux=1
>> -DVGPV_arm_linux_vanilla=1   -Winline -Wall -Wshadow -Wno-long-long -g
>> -fno-stack-protector    -O2 -pipe -g  -fno-omit-frame-pointer
>> -fvisibility=default -O0 -c -o sh-mem-random.o
>> /work/wr/buildarea/arm/bitbake_build/tmp/work/armv7a-vfp-wrs-linux-gnueabi/valgrind/3.11.0-r0/valgrind-3.11.0/memcheck/tests/sh-mem-random.c
>> | {standard input}: Assembler messages:
>> | {standard input}:1107: Error: selected processor does not support ARM mode
>> `vld1.64 {d7},[r3]'
>> | {standard input}:1107: Error: selected processor does not support ARM mode
>> `vst1.64 {d7},[r2]'
>> | Makefile:2467: recipe for target 'sh-mem-random.o' failed
>>
>>
>> and the codes are below:
>>
>> 194 #elif defined(__linux__) && defined(__arm__) && !defined(__aarch64__)
>> 195             /* On arm32, many compilers generate a 64-bit float move
>> 196                using two 32 bit integer registers, which completely
>> 197                defeats this test.  Hence force a 64-bit NEON load and
>> 198                store.  I guess this will break the build on non-NEON
>> 199                capable targets. */
>> 200             __asm__ __volatile__ (
>> 201                "vld1.64 {d7},[%0] ; vst1.64 {d7},[%1] "
>> 202                : : "r"(arr+src), "r"(arr+dst) : "d7","memory"
>> 203             );
>> 204 #else
>>
>>
>> -Roy
>> --
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>> Openembedded-core at lists.openembedded.org
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>

-- 
Best Reagrds,
Roy | RongQing Li