{"id":2175305,"url":"http://patchwork.ozlabs.org/api/1.0/patches/2175305/?format=json","project":{"id":41,"url":"http://patchwork.ozlabs.org/api/1.0/projects/41/?format=json","name":"GNU C Library","link_name":"glibc","list_id":"libc-alpha.sourceware.org","list_email":"libc-alpha@sourceware.org","web_url":"","scm_url":"","webscm_url":""},"msgid":"<20251217175554.1157780-8-adhemerval.zanella@linaro.org>","date":"2025-12-17T17:51:53","name":"[7/8] stdlib: Avoid strlen plt with clang","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"7d57e1b2727890b3b052a9eca7e05c376c48aeff","submitter":{"id":66065,"url":"http://patchwork.ozlabs.org/api/1.0/people/66065/?format=json","name":"Adhemerval Zanella Netto","email":"adhemerval.zanella@linaro.org"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/glibc/patch/20251217175554.1157780-8-adhemerval.zanella@linaro.org/mbox/","series":[{"id":485739,"url":"http://patchwork.ozlabs.org/api/1.0/series/485739/?format=json","date":"2025-12-17T17:51:48","name":"Improve test when building with clang","version":1,"mbox":"http://patchwork.ozlabs.org/series/485739/mbox/"}],"check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2175305/checks/","tags":{},"headers":{"Return-Path":"","X-Original-To":["incoming@patchwork.ozlabs.org","libc-alpha@sourceware.org"],"Delivered-To":["patchwork-incoming@legolas.ozlabs.org","libc-alpha@sourceware.org"],"Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=linaro.org header.i=@linaro.org header.a=rsa-sha256\n header.s=google header.b=MbEmBNiQ;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=sourceware.org\n (client-ip=38.145.34.32; helo=vm01.sourceware.org;\n envelope-from=libc-alpha-bounces~incoming=patchwork.ozlabs.org@sourceware.org;\n receiver=patchwork.ozlabs.org)","sourceware.org;\n\tdkim=pass (2048-bit key,\n unprotected) header.d=linaro.org header.i=@linaro.org header.a=rsa-sha256\n header.s=google header.b=MbEmBNiQ","sourceware.org;\n dmarc=pass (p=none dis=none) header.from=linaro.org","sourceware.org; spf=pass smtp.mailfrom=linaro.org","server2.sourceware.org;\n arc=none smtp.remote-ip=209.85.214.177"],"Received":["from vm01.sourceware.org (vm01.sourceware.org [38.145.34.32])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange x25519 server-signature ECDSA (secp384r1) server-digest SHA384)\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4dWhVf0h5xz1xty\n\tfor ; Thu, 18 Dec 2025 05:03:21 +1100 (AEDT)","from vm01.sourceware.org (localhost [127.0.0.1])\n\tby sourceware.org (Postfix) with ESMTP id 0BB594BA2E2F\n\tfor ; Wed, 17 Dec 2025 18:03:19 +0000 (GMT)","from mail-pl1-f177.google.com (mail-pl1-f177.google.com\n [209.85.214.177])\n by sourceware.org (Postfix) with ESMTPS id 985304BA2E28\n for ; Wed, 17 Dec 2025 17:56:14 +0000 (GMT)","by mail-pl1-f177.google.com with SMTP id\n d9443c01a7336-2a110548cdeso41205835ad.0\n for ; Wed, 17 Dec 2025 09:56:14 -0800 (PST)","from ubuntu-vm.. 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J . Lu\" , Collin Funk ,\n Sam James ","Subject":"[PATCH 7/8] stdlib: Avoid strlen plt with clang","Date":"Wed, 17 Dec 2025 14:51:53 -0300","Message-ID":"<20251217175554.1157780-8-adhemerval.zanella@linaro.org>","X-Mailer":"git-send-email 2.43.0","In-Reply-To":"<20251217175554.1157780-1-adhemerval.zanella@linaro.org>","References":"<20251217175554.1157780-1-adhemerval.zanella@linaro.org>","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","X-BeenThere":"libc-alpha@sourceware.org","X-Mailman-Version":"2.1.30","Precedence":"list","List-Id":"Libc-alpha mailing list ","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Errors-To":"libc-alpha-bounces~incoming=patchwork.ozlabs.org@sourceware.org"},"content":"The clang-21 LoopIdiomRecognizePass replaces some loops in\n__xpg_basename with a strlen call.\n---\n sysdeps/generic/symbol-hacks.h | 1 +\n 1 file changed, 1 insertion(+)","diff":"diff --git a/sysdeps/generic/symbol-hacks.h b/sysdeps/generic/symbol-hacks.h\nindex 58398d33a5..0d728cce91 100644\n--- a/sysdeps/generic/symbol-hacks.h\n+++ b/sysdeps/generic/symbol-hacks.h\n@@ -20,6 +20,7 @@ asm (\"__strcpy_chk = __GI___strcpy_chk\");\n asm (\"strcpy = __GI_strcpy\");\n asm (\"strncpy = __GI_strncpy\");\n asm (\"strcat = __GI_strcat\");\n+asm (\"strlen = __GI_strlen\");\n \n /* Some targets do not use __stack_chk_fail_local. In libc.so,\n redirect __stack_chk_fail to a hidden reference\n","prefixes":["7/8"]}