{"id":808901,"url":"http://patchwork.ozlabs.org/api/1.0/patches/808901/?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":"<20170901180029.9527-36-hjl.tools@gmail.com>","date":"2017-09-01T18:00:06","name":"[35/58] Hide internal __tdestroy function [BZ #18822]","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"44dc2013e4f047bc155ba024f4b1816c49236a25","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/20170901180029.9527-36-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/808901/checks/","tags":{},"headers":{"Return-Path":"<libc-alpha-return-84089-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-84089-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=\"vtMnbHot\"; 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 3xkS0X65GSz9s3w\n\tfor <incoming@patchwork.ozlabs.org>;\n\tSat,  2 Sep 2017 04:08:28 +1000 (AEST)","(qmail 89707 invoked by alias); 1 Sep 2017 18:01:15 -0000","(qmail 89677 invoked by uid 89); 1 Sep 2017 18:01:15 -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=gAG5PhhkEvGkKji3bOh99UTIjkoYtPP\n\tpbqtooXwIYpWmejGY9tY6BVaBDYu+Ir0m5Vryxa6pUJ5r1oQLJ4guAq3MWJJdLzW\n\tgVc4MXH/K5r08t2EW/0NtMdw0Nt7yaHDCA5WDiVbTSvcvWTp4OTB6ElyRLMlEoi/\n\tby60pPXMSZyM=","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=6dBOWCGImrFOzG6ZAdM9rJGfoRw=; b=vtMnb\n\tHotnouAl2Ut/bvcf2nodRGT/CCDCjLr64ZFiRS7DpSHybQVF48rWukNRi6wY7+EX\n\tvwMHmZQB/UIwFlSrXIJE1DNNB38osBO2Djkb3V1d/w//21WJTkezt5pUKnaqn7Kg\n\t0IRv1WFn131mKYJaVOfHWORE9gHGLc7C4LcNwI=","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, SPF_SOFTFAIL autolearn=ham version=3.3.2\n\tspammy=Hx-languages-length:1069, 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 35/58] Hide internal __tdestroy function [BZ #18822]","Date":"Fri,  1 Sep 2017 11:00:06 -0700","Message-Id":"<20170901180029.9527-36-hjl.tools@gmail.com>","In-Reply-To":"<20170901180029.9527-1-hjl.tools@gmail.com>","References":"<20170901180029.9527-1-hjl.tools@gmail.com>"},"content":"Hide internal __tdestroy function to allow direct access within libc.so\nand libc.a without using GOT nor PLT.\n\n\t[BZ #18822]\n\t* include/search.h (__tdestroy): Add libc_hidden_proto.\n\t* misc/tsearch.c (__tdestroy): Add libc_hidden_def.\n---\n include/search.h | 1 +\n misc/tsearch.c   | 1 +\n 2 files changed, 2 insertions(+)","diff":"diff --git a/include/search.h b/include/search.h\nindex a941959dbe..e17693022d 100644\n--- a/include/search.h\n+++ b/include/search.h\n@@ -24,5 +24,6 @@ libc_hidden_proto (__tdelete)\n extern void __twalk (const void *__root, __action_fn_t action);\n libc_hidden_proto (__twalk)\n extern void __tdestroy (void *__root, __free_fn_t freefct);\n+libc_hidden_proto (__tdestroy)\n #endif\n #endif\ndiff --git a/misc/tsearch.c b/misc/tsearch.c\nindex aef9c7c1ee..cdc401a4e5 100644\n--- a/misc/tsearch.c\n+++ b/misc/tsearch.c\n@@ -745,4 +745,5 @@ __tdestroy (void *vroot, __free_fn_t freefct)\n   if (root != NULL)\n     tdestroy_recurse (root, freefct);\n }\n+libc_hidden_def (__tdestroy)\n weak_alias (__tdestroy, tdestroy)\n","prefixes":["35/58"]}