From patchwork Fri Sep 1 18:00:05 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "H.J. Lu" X-Patchwork-Id: 808898 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=sourceware.org (client-ip=209.132.180.131; helo=sourceware.org; envelope-from=libc-alpha-return-84086-incoming=patchwork.ozlabs.org@sourceware.org; receiver=) Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; secure) header.d=sourceware.org header.i=@sourceware.org header.b="yLuVFYmk"; dkim-atps=neutral Received: from sourceware.org (server1.sourceware.org [209.132.180.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3xkRzx3pv0z9s3w for ; Sat, 2 Sep 2017 04:07:57 +1000 (AEST) DomainKey-Signature: a=rsa-sha1; c=nofws; d=sourceware.org; h=list-id :list-unsubscribe:list-subscribe:list-archive:list-post :list-help:sender:from:to:subject:date:message-id:in-reply-to :references; q=dns; s=default; b=WlLeS6Xrzv6y+yk1fLfu/uESeLw3oi+ CT6TZ+/akzVHuatzTr7UTqeiL3v1J8y1nUC6Scvkcb5/+LZs7EeJ4Xblv0oogby6 3H2SMAzLUq6KiJst5acsjuOTHfo4VEpkOtE5mcEHNRvCKHez88yjC6aW3BdM+nTc ZK5PUlU3oNIY= DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=sourceware.org; h=list-id :list-unsubscribe:list-subscribe:list-archive:list-post :list-help:sender:from:to:subject:date:message-id:in-reply-to :references; s=default; bh=jf8RqlWb4m+A+dmPZQJCvVg4jU4=; b=yLuVF YmkwQ5Ek4v6prdFTooWRtaSPXg/AW1n2cN5xGlig6F+bOG9cHUT5bLnLQXl682ar k2bYuBUlto3o3+jLyl7SXDOFAaoD6v6KgQBH3ZkDeHB+WfOsQKAZWOEKytcSi7NN wty0pBoNhG6ne5CleHGGiQ5qZZ+XeBx3gsgMTc= Received: (qmail 88901 invoked by alias); 1 Sep 2017 18:01:10 -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 88859 invoked by uid 89); 1 Sep 2017 18:01:10 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-26.2 required=5.0 tests=BAYES_00, FREEMAIL_FROM, GIT_PATCH_0, GIT_PATCH_1, GIT_PATCH_2, GIT_PATCH_3, SPF_SOFTFAIL autolearn=ham version=3.3.2 spammy=H*m:gmail X-HELO: mga02.intel.com X-ExtLoop1: 1 From: "H.J. Lu" To: libc-alpha@sourceware.org Subject: [PATCH 34/58] Hide internal __assert_fail_base function [BZ #18822] Date: Fri, 1 Sep 2017 11:00:05 -0700 Message-Id: <20170901180029.9527-35-hjl.tools@gmail.com> In-Reply-To: <20170901180029.9527-1-hjl.tools@gmail.com> References: <20170901180029.9527-1-hjl.tools@gmail.com> Hide internal __assert_fail_base function to allow direct access within libc.so and libc.a without using GOT nor PLT. [BZ #18822] * include/assert.h (__assert_fail_base): Add attribute_hidden. --- include/assert.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/assert.h b/include/assert.h index c452667956..c0f7e1a91c 100644 --- a/include/assert.h +++ b/include/assert.h @@ -18,7 +18,7 @@ extern void __assert_perror_fail (int __errnum, const char *__file, extern void __assert_fail_base (const char *fmt, const char *assertion, const char *file, unsigned int line, const char *function) - __THROW __attribute__ ((__noreturn__)); + __THROW __attribute__ ((__noreturn__)) attribute_hidden; # if IS_IN (libc) || IS_IN (rtld) hidden_proto (__assert_fail)