From patchwork Thu May 25 20:06:05 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tulio Magno Quites Machado Filho X-Patchwork-Id: 20582 X-Patchwork-Delegate: fweimer@redhat.com Received: (qmail 23845 invoked by alias); 25 May 2017 20:06:25 -0000 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: , Sender: libc-alpha-owner@sourceware.org Delivered-To: mailing list libc-alpha@sourceware.org Received: (qmail 23835 invoked by uid 89); 25 May 2017 20:06:25 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-24.8 required=5.0 tests=AWL, BAYES_00, GIT_PATCH_0, GIT_PATCH_1, GIT_PATCH_2, GIT_PATCH_3, KAM_LAZY_DOMAIN_SECURITY, RCVD_IN_DNSWL_LOW autolearn=ham version=3.3.2 spammy= X-HELO: mx0a-001b2d01.pphosted.com From: "Tulio Magno Quites Machado Filho" To: libc-alpha@sourceware.org Cc: pc@us.ibm.com, joseph@codesourcery.com Subject: [PATCHv2] Add a way to bypass the PLT when calling getauxval Date: Thu, 25 May 2017 17:06:05 -0300 In-Reply-To: References: X-TM-AS-MML: disable x-cbid: 17052520-0028-0000-0000-000001B86906 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 17052520-0029-0000-0000-000014B8D33D Message-Id: <1495742765-1722-1-git-send-email-tuliom@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:, , definitions=2017-05-25_15:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 suspectscore=1 malwarescore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1703280000 definitions=main-1705250365 2017-05-25 Tulio Magno Quites Machado Filho * include/sys/auxv.h (__getauxval): Add a prototype and its libc_hidden_proto. * misc/getauxval.c (__getauxval): Use libc_hidden_def. --- include/sys/auxv.h | 7 +++++++ misc/getauxval.c | 1 + 2 files changed, 8 insertions(+) diff --git a/include/sys/auxv.h b/include/sys/auxv.h index dede2c3..d46008e 100644 --- a/include/sys/auxv.h +++ b/include/sys/auxv.h @@ -1 +1,8 @@ #include + +#ifndef _ISOMAC + +extern __typeof(getauxval) __getauxval; +libc_hidden_proto (__getauxval) + +#endif /* !_ISOMAC */ diff --git a/misc/getauxval.c b/misc/getauxval.c index c83fbce..14f4298 100644 --- a/misc/getauxval.c +++ b/misc/getauxval.c @@ -43,3 +43,4 @@ __getauxval (unsigned long int type) } weak_alias (__getauxval, getauxval) +libc_hidden_def (__getauxval)