{"id":808889,"url":"http://patchwork.ozlabs.org/api/1.0/patches/808889/?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":"<20170901180029.9527-23-hjl.tools@gmail.com>","date":"2017-09-01T17:59:53","name":"[22/58] Mark internal rpc functions with attribute_hidden [BZ #18822]","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"f555284450c5e39d4ec7183ea3e79676c1f226ef","submitter":{"id":4387,"url":"http://patchwork.ozlabs.org/api/1.0/people/4387/?format=json","name":"H.J. Lu","email":"hjl.tools@gmail.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/glibc/patch/20170901180029.9527-23-hjl.tools@gmail.com/mbox/","series":[{"id":1088,"url":"http://patchwork.ozlabs.org/api/1.0/series/1088/?format=json","date":"2017-09-01T18:00:21","name":"Hide internal functions in libc.so","version":1,"mbox":"http://patchwork.ozlabs.org/series/1088/mbox/"}],"check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/808889/checks/","tags":{},"headers":{"Return-Path":"<libc-alpha-return-84080-incoming=patchwork.ozlabs.org@sourceware.org>","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":["patchwork-incoming@bilbo.ozlabs.org","mailing list libc-alpha@sourceware.org"],"Authentication-Results":["ozlabs.org;\n\tspf=pass (mailfrom) smtp.mailfrom=sourceware.org\n\t(client-ip=209.132.180.131; helo=sourceware.org;\n\tenvelope-from=libc-alpha-return-84080-incoming=patchwork.ozlabs.org@sourceware.org;\n\treceiver=<UNKNOWN>)","ozlabs.org; dkim=pass (1024-bit key;\n\tsecure) header.d=sourceware.org header.i=@sourceware.org\n\theader.b=\"GqpWxzhH\"; dkim-atps=neutral","sourceware.org; auth=none"],"Received":["from sourceware.org (server1.sourceware.org [209.132.180.131])\n\t(using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256\n\tbits)) (No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 3xkRys2TVjz9s3w\n\tfor <incoming@patchwork.ozlabs.org>;\n\tSat,  2 Sep 2017 04:07:01 +1000 (AEST)","(qmail 88053 invoked by alias); 1 Sep 2017 18:01:05 -0000","(qmail 87961 invoked by uid 89); 1 Sep 2017 18:01:05 -0000"],"DomainKey-Signature":"a=rsa-sha1; c=nofws; d=sourceware.org; h=list-id\n\t:list-unsubscribe:list-subscribe:list-archive:list-post\n\t:list-help:sender:from:to:subject:date:message-id:in-reply-to\n\t:references; q=dns; s=default; b=vDHWaOqN2ycSJf+/lHswt2D5vL48S3Q\n\tNwD3o02RAJxQLmM8yvs4rWlsOuL1//1GPDorMbVN6QIqQontsYYvWXnMzUDeTtq7\n\tF8UlJHFn2mQwHbcuaPqLPEHtAlnsHRNYqFqpMtd5ZXfOINHeUw0oyf7UCRCF0S7F\n\tS/4Fs++BuLbw=","DKIM-Signature":"v=1; a=rsa-sha1; c=relaxed; d=sourceware.org; h=list-id\n\t:list-unsubscribe:list-subscribe:list-archive:list-post\n\t:list-help:sender:from:to:subject:date:message-id:in-reply-to\n\t:references; s=default; bh=aIjllYKmgHy2mAk9eAkUKCPEdhY=; b=GqpWx\n\tzhHNFFdE6PsEMxgeTIJHzLxY6z4raU0XJwzXp9i3i5Flpelon2LxmFFauwpe4fW/\n\tFo1pThuuD+07BrUshBfef77wfyD4gdQ/d7a918Tn5md4CyHvgk+147aEf327nSvw\n\tVAPWHr4QwintGFSm/j1IO7vhv87VSKw0YO68gk=","Mailing-List":"contact libc-alpha-help@sourceware.org; run by ezmlm","Precedence":"bulk","List-Id":"<libc-alpha.sourceware.org>","List-Unsubscribe":"<mailto:libc-alpha-unsubscribe-incoming=patchwork.ozlabs.org@sourceware.org>","List-Subscribe":"<mailto:libc-alpha-subscribe@sourceware.org>","List-Archive":"<http://sourceware.org/ml/libc-alpha/>","List-Post":"<mailto:libc-alpha@sourceware.org>","List-Help":"<mailto:libc-alpha-help@sourceware.org>,\n\t<http://sourceware.org/ml/#faqs>","Sender":"libc-alpha-owner@sourceware.org","X-Virus-Found":"No","X-Spam-SWARE-Status":"No, score=-26.2 required=5.0 tests=BAYES_00,\n\tFREEMAIL_FROM, GIT_PATCH_0, GIT_PATCH_1, GIT_PATCH_2,\n\tGIT_PATCH_3,\n\tSPF_SOFTFAIL autolearn=ham version=3.3.2 spammy=H*m:gmail","X-HELO":"mga02.intel.com","X-ExtLoop1":"1","From":"\"H.J. Lu\" <hjl.tools@gmail.com>","To":"libc-alpha@sourceware.org","Subject":"[PATCH 22/58] Mark internal rpc functions with attribute_hidden [BZ\n\t#18822]","Date":"Fri,  1 Sep 2017 10:59:53 -0700","Message-Id":"<20170901180029.9527-23-hjl.tools@gmail.com>","In-Reply-To":"<20170901180029.9527-1-hjl.tools@gmail.com>","References":"<20170901180029.9527-1-hjl.tools@gmail.com>"},"content":"Mark internal rpc functions with attribute_hidden to allow direct\naccess within libc.so and libc.a without using GOT nor PLT.\n\n\t[BZ #18822]\n\t* include/rpc/rpc.h (__rpc_thread_variables): Add\n\tattribute_hidden.\n\t(__rpc_thread_svc_cleanup): Likewise.\n\t(__rpc_thread_clnt_cleanup): Likewise.\n\t(__rpc_thread_key_cleanup): Likewise.\n---\n include/rpc/rpc.h | 8 ++++----\n 1 file changed, 4 insertions(+), 4 deletions(-)","diff":"diff --git a/include/rpc/rpc.h b/include/rpc/rpc.h\nindex 60c78968de..1fb925e85c 100644\n--- a/include/rpc/rpc.h\n+++ b/include/rpc/rpc.h\n@@ -41,10 +41,10 @@ struct rpc_thread_variables {\n };\n \n extern struct rpc_thread_variables *__rpc_thread_variables(void)\n-     __attribute__ ((const));\n-extern void __rpc_thread_svc_cleanup (void);\n-extern void __rpc_thread_clnt_cleanup (void);\n-extern void __rpc_thread_key_cleanup (void);\n+     __attribute__ ((const)) attribute_hidden;\n+extern void __rpc_thread_svc_cleanup (void) attribute_hidden;\n+extern void __rpc_thread_clnt_cleanup (void) attribute_hidden;\n+extern void __rpc_thread_key_cleanup (void) attribute_hidden;\n \n extern void __rpc_thread_destroy (void);\n \n","prefixes":["22/58"]}