linux-kernel - Re: [PATCH 00/12] tools/nolibc: improve LLVM/clang support

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Message-ID: <abc8b199-694c-42b8-a2cf-7d34f45f51de@linuxfoundation.org>
Date: Mon, 29 Jul 2024 13:27:09 -0600
From: Shuah Khan <skhan@...uxfoundation.org>
To: Thomas Weißschuh <linux@...ssschuh.net>,
 Willy Tarreau <w@....eu>, Shuah Khan <shuah@...nel.org>
Cc: linux-kernel@...r.kernel.org, linux-kselftest@...r.kernel.org,
 Shuah Khan <skhan@...uxfoundation.org>
Subject: Re: [PATCH 00/12] tools/nolibc: improve LLVM/clang support

On 7/29/24 13:26, Shuah Khan wrote:
> On 7/28/24 04:09, Thomas Weißschuh wrote:
>> The current support for LLVM and clang in nolibc and its testsuite is
>> very limited.
>>
>> * Various architectures plain do not compile
>> * The user *has* to specify "-Os" otherwise the program crashes
>> * Cross-compilation of the tests does not work
>> * Using clang is not wired up in run-tests.sh
>>
>> This series extends this support.
>>
>> Signed-off-by: Thomas Weißschuh <linux@...ssschuh.net>
>> ---
>> Thomas Weißschuh (12):
>>        tools/nolibc: use clang-compatible asm syntax in arch-arm.h
>>        tools/nolibc: limit powerpc stack-protector workaround to GCC
>>        tools/nolibc: move entrypoint specifics to compiler.h
>>        tools/nolibc: use attribute((naked)) if available
>>        selftests/nolibc: report failure if no testcase passed
>>        selftests/nolibc: avoid passing NULL to printf("%s")
>>        selftests/nolibc: determine $(srctree) first
>>        selftests/nolibc: setup objtree without Makefile.include
>>        selftests/nolibc: add support for LLVM= parameter
>>        selftests/nolibc: add cc-option compatible with clang cross builds
>>        selftests/nolibc: run-tests.sh: avoid overwriting CFLAGS_EXTRA
>>        selftests/nolibc: run-tests.sh: allow building through LLVM
>>
> 
> Reviewed-by: Shuah Khan <skhan@...uxfoundation.org>

For the selftest changes.

thanks,
-- Shuah