{"id":808876,"url":"http://patchwork.ozlabs.org/api/1.0/patches/808876/?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":"<20170901180029.9527-59-hjl.tools@gmail.com>","date":"2017-09-01T18:00:29","name":"[58/58] Hide internal fadvise64/fallocate64 functions [BZ #18822]","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"854c6cf79f896d707a5b0478192a285dc4a5acfb","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/20170901180029.9527-59-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/808876/checks/","tags":{},"headers":{"Return-Path":"<libc-alpha-return-84069-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-84069-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=\"GdW0uYKh\"; 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 3xkRwq2ylhz9s3w\n\tfor <incoming@patchwork.ozlabs.org>;\n\tSat,  2 Sep 2017 04:05:15 +1000 (AEST)","(qmail 86464 invoked by alias); 1 Sep 2017 18:00:56 -0000","(qmail 86404 invoked by uid 89); 1 Sep 2017 18:00:56 -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=qJfPqhyuwPLqGQNn5W/S/K0F+T8BvRo\n\tLSPArF2S96tg3BSyU/zrFqiotSU+PyGo3iU5ZhAHsQ6QyrcdpcvLbnqJqLRpmFZy\n\tTrcTixddKMY80qwGX3IMyW8UC82qJCa3uQ1zAX27Nnq4pAuvNWaktTO1NXRLsxmV\n\t/hlAOehTPh5Q=","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=a4hzsM+LDaz/yvx5id0j5gdIrkc=; b=GdW0u\n\tYKhIUTHl0EekwfDQwUXHNiOqqDIHdYwbaTxo12vv3bRZp3MdlyF4SbBmnsJBVdFs\n\tPGmBnIe+6SRE1qifNQK/R6WIFlOGlKxM1XGnoAdTI0OTHYiwP5F904lj3UB8cOSD\n\tPLM7/kxJgqRYfkJPSToclmhOTeHSFdqHoIJmMk=","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":"mga06.intel.com","X-ExtLoop1":"1","From":"\"H.J. Lu\" <hjl.tools@gmail.com>","To":"libc-alpha@sourceware.org","Subject":"[PATCH 58/58] Hide internal fadvise64/fallocate64 functions [BZ\n\t#18822]","Date":"Fri,  1 Sep 2017 11:00:29 -0700","Message-Id":"<20170901180029.9527-59-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 fadvise64/fallocate64 functions to allow direct access\nwithin libc.so and libc.a without using GOT nor PLT.\n\n\t[BZ #18822]\n\t* sysdeps/unix/sysv/linux/posix_fadvise64.c\n\t(__posix_fadvise64_l64): Add Add libc_hidden_proto and\n\tlibc_hidden_def.\n\t* sysdeps/unix/sysv/linux/posix_fallocate64.c\n\t(__posix_fallocate64_l64): Likewise.\n---\n sysdeps/unix/sysv/linux/posix_fadvise64.c   | 2 ++\n sysdeps/unix/sysv/linux/posix_fallocate64.c | 2 ++\n 2 files changed, 4 insertions(+)","diff":"diff --git a/sysdeps/unix/sysv/linux/posix_fadvise64.c b/sysdeps/unix/sysv/linux/posix_fadvise64.c\nindex aaee60add7..6dee86c833 100644\n--- a/sysdeps/unix/sysv/linux/posix_fadvise64.c\n+++ b/sysdeps/unix/sysv/linux/posix_fadvise64.c\n@@ -20,6 +20,7 @@\n #include <shlib-compat.h>\n \n int __posix_fadvise64_l64 (int fd, off64_t offset, off64_t len, int advise);\n+libc_hidden_proto (__posix_fadvise64_l64)\n \n /* Both arm and powerpc implements fadvise64_64 with last 'advise' argument\n    just after 'fd' to avoid the requirement of implementing 7-arg syscalls.\n@@ -83,3 +84,4 @@ weak_alias (__posix_fadvise64_l64, posix_fadvise64);\n weak_alias (__posix_fadvise64_l64, posix_fadvise64);\n strong_alias (__posix_fadvise64_l64, posix_fadvise);\n #endif\n+libc_hidden_def (__posix_fadvise64_l64)\ndiff --git a/sysdeps/unix/sysv/linux/posix_fallocate64.c b/sysdeps/unix/sysv/linux/posix_fallocate64.c\nindex eb05f7c5d0..76cf27a616 100644\n--- a/sysdeps/unix/sysv/linux/posix_fallocate64.c\n+++ b/sysdeps/unix/sysv/linux/posix_fallocate64.c\n@@ -19,6 +19,7 @@\n #include <sysdep.h>\n \n extern int __posix_fallocate64_l64 (int fd, __off64_t offset, __off64_t len);\n+libc_hidden_proto (__posix_fallocate64_l64)\n #define __posix_fallocate64_l64 static internal_fallocate64\n #include <sysdeps/posix/posix_fallocate64.c>\n #undef __posix_fallocate64_l64\n@@ -42,3 +43,4 @@ __posix_fallocate64_l64 (int fd, __off64_t offset, __off64_t len)\n     return INTERNAL_SYSCALL_ERRNO (res, err);\n   return internal_fallocate64 (fd, offset, len);\n }\n+libc_hidden_def (__posix_fallocate64_l64)\n","prefixes":["58/58"]}