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Sun, 13 Jul 2025 15:22:01 -0700 (PDT) Received: from [172.20.0.130] ([187.217.227.247]) by smtp.gmail.com with ESMTPSA id 006d021491bc7-613d9d836a4sm1072154eaf.14.2025.07.13.15.21.59 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 13 Jul 2025 15:22:00 -0700 (PDT) Message-ID: Date: Sun, 13 Jul 2025 16:21:58 -0600 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] tools/nolibc: add support for Alpha To: =?UTF-8?Q?Thomas_Wei=C3=9Fschuh?= , Willy Tarreau , Shuah Khan , Matt Turner Cc: linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-alpha@vger.kernel.org, Arnd Bergmann , John Paul Adrian Glaubitz References: <20250713-nolibc-alpha-v1-1-10216333d308@weissschuh.net> Content-Language: en-US From: Richard Henderson In-Reply-To: <20250713-nolibc-alpha-v1-1-10216333d308@weissschuh.net> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit On 7/13/25 14:08, Thomas Weißschuh wrote: > +++ b/tools/testing/selftests/nolibc/nolibc-test.c > @@ -709,6 +709,10 @@ int run_startup(int min, int max) > /* checking NULL for argv/argv0, environ and _auxv is not enough, let's compare with sbrk(0) or &end */ > extern char end; > char *brk = sbrk(0) != (void *)-1 ? sbrk(0) : &end; > +#if defined(__alpha__) > + /* the ordering above does not work on an alpha kernel */ > + brk = NULL; > +#endif The syscall api is different for brk on alpha. A change to sys_brk or brk in include/nolibc/sys.h is required. r~