{"id":808913,"url":"http://patchwork.ozlabs.org/api/1.0/patches/808913/?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":"<20170901180029.9527-48-hjl.tools@gmail.com>","date":"2017-09-01T18:00:18","name":"[47/58] Hide internal __setrlimit function [BZ #18822]","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"869f41615d28f102dc915439faf29ef532d86a00","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/20170901180029.9527-48-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/808913/checks/","tags":{},"headers":{"Return-Path":"","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-84100-incoming=patchwork.ozlabs.org@sourceware.org;\n\treceiver=)","ozlabs.org; dkim=pass (1024-bit key;\n\tsecure) header.d=sourceware.org header.i=@sourceware.org\n\theader.b=\"fK1oWZuU\"; 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 3xkS2K6Y1Bz9s7g\n\tfor ;\n\tSat, 2 Sep 2017 04:10:01 +1000 (AEST)","(qmail 91295 invoked by alias); 1 Sep 2017 18:01:25 -0000","(qmail 91260 invoked by uid 89); 1 Sep 2017 18:01:25 -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=QjZx7Vq2mf9SwaQQ/icA/4VT8P4kZ9+\n\tZQf0gr9TTarAxtzrBSu25DA0UpCn2Iott2W/bonouVfdRZq++8SNGi2m7dEJvcRC\n\t1vc0gmJUUUXgUFGTDTpUTMm8xvq2AVvqagXGHPLKFg2uFsIM6Z7ZXNGQPGs3yI7+\n\t8SAC+LJqWV0g=","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=7R6eIJdCEw177DDRGAxyWu6T3DU=; b=fK1oW\n\tZuUy9QO5Vp0Oskyl72w6LZt7tLiTGc6dijbOUC4NL/Brr74EgZe6HmGgod5/nIfw\n\tMFgROMkBl/89kg2/VVeR076Gn3G9LVLQL82ZPvbsW7pwWvLtev1Q/r3JB2mivp3A\n\tnQIiYtdnG39+KFOKZO3TK+s9HnzU1bCZ8QRm/w=","Mailing-List":"contact libc-alpha-help@sourceware.org; run by ezmlm","Precedence":"bulk","List-Id":"","List-Unsubscribe":"","List-Subscribe":"","List-Archive":"","List-Post":"","List-Help":",\n\t","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 spammy=","X-HELO":"mga02.intel.com","X-ExtLoop1":"1","From":"\"H.J. Lu\" ","To":"libc-alpha@sourceware.org","Subject":"[PATCH 47/58] Hide internal __setrlimit function [BZ #18822]","Date":"Fri, 1 Sep 2017 11:00:18 -0700","Message-Id":"<20170901180029.9527-48-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 __setrlimit function to allow direct access within libc.so\nand libc.a without using GOT nor PLT.\n\n\t[BZ #18822]\n\t* include/sys/resource.h (__setrlimit): Add libc_hidden_proto.\n\t* resource/setrlimit.c (__setrlimit): Add libc_hidden_def.\n\t* sysdeps/mach/hurd/setrlimit.c (__setrlimit): Likewise.\n\t* sysdeps/unix/sysv/linux/setrlimit.c (__setrlimit): Likewise.\n\t* sysdeps/unix/sysv/linux/setrlimit64.c (__GI___setrlimit): New.\n---\n include/sys/resource.h | 1 +\n resource/setrlimit.c | 1 +\n sysdeps/mach/hurd/setrlimit.c | 1 +\n sysdeps/unix/sysv/linux/setrlimit.c | 1 +\n sysdeps/unix/sysv/linux/setrlimit64.c | 3 +++\n 5 files changed, 7 insertions(+)","diff":"diff --git a/include/sys/resource.h b/include/sys/resource.h\nindex 688c46c4ae..c55d4e63bd 100644\n--- a/include/sys/resource.h\n+++ b/include/sys/resource.h\n@@ -23,5 +23,6 @@ extern int __getrusage (enum __rusage_who __who, struct rusage *__usage)\n \n extern int __setrlimit (enum __rlimit_resource __resource,\n \t\t\tconst struct rlimit *__rlimits);\n+libc_hidden_proto (__setrlimit);\n #endif\n #endif\ndiff --git a/resource/setrlimit.c b/resource/setrlimit.c\nindex 6e3a1fbc54..e02b6a826a 100644\n--- a/resource/setrlimit.c\n+++ b/resource/setrlimit.c\n@@ -29,6 +29,7 @@ __setrlimit (enum __rlimit_resource resource, const struct rlimit *rlimits)\n __set_errno (ENOSYS);\n return -1;\n }\n+libc_hidden_def (__setrlimit)\n weak_alias (__setrlimit, setrlimit)\n \n stub_warning (setrlimit)\ndiff --git a/sysdeps/mach/hurd/setrlimit.c b/sysdeps/mach/hurd/setrlimit.c\nindex 3ea9af2e7c..693422a537 100644\n--- a/sysdeps/mach/hurd/setrlimit.c\n+++ b/sysdeps/mach/hurd/setrlimit.c\n@@ -53,4 +53,5 @@ __setrlimit (enum __rlimit_resource resource, const struct rlimit *rlimits)\n return 0;\n }\n \n+libc_hidden_def (__setrlimit)\n weak_alias (__setrlimit, setrlimit)\ndiff --git a/sysdeps/unix/sysv/linux/setrlimit.c b/sysdeps/unix/sysv/linux/setrlimit.c\nindex 8773c78236..50a21636ef 100644\n--- a/sysdeps/unix/sysv/linux/setrlimit.c\n+++ b/sysdeps/unix/sysv/linux/setrlimit.c\n@@ -48,6 +48,7 @@ __setrlimit (enum __rlimit_resource resource, const struct rlimit *rlim)\n return INLINE_SYSCALL_CALL (prlimit64, 0, resource, &rlim64, NULL);\n }\n \n+libc_hidden_def (__setrlimit)\n # if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_2)\n strong_alias (__setrlimit, __setrlimit_1)\n compat_symbol (libc, __setrlimit, setrlimit, GLIBC_2_0);\ndiff --git a/sysdeps/unix/sysv/linux/setrlimit64.c b/sysdeps/unix/sysv/linux/setrlimit64.c\nindex db1960fc18..ff835c8733 100644\n--- a/sysdeps/unix/sysv/linux/setrlimit64.c\n+++ b/sysdeps/unix/sysv/linux/setrlimit64.c\n@@ -43,4 +43,7 @@ weak_alias (__setrlimit64, setrlimit64)\n #if __RLIM_T_MATCHES_RLIM64_T\n strong_alias (__setrlimit64, __setrlimit)\n weak_alias (__setrlimit64, setrlimit)\n+# ifdef SHARED\n+__hidden_ver1 (__setrlimit64, __GI___setrlimit, __setrlimit64);\n+# endif\n #endif\n","prefixes":["47/58"]}