From owner-svn-src-stable@freebsd.org Tue Jun 9 00:27:55 2020 Return-Path: Delivered-To: svn-src-stable@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 8795333F4C9; Tue, 9 Jun 2020 00:27:55 +0000 (UTC) (envelope-from emaste@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 49grYl2hy4z40KN; Tue, 9 Jun 2020 00:27:55 +0000 (UTC) (envelope-from emaste@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 57FA3D280; Tue, 9 Jun 2020 00:27:55 +0000 (UTC) (envelope-from emaste@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id 0590RtsZ099964; Tue, 9 Jun 2020 00:27:55 GMT (envelope-from emaste@FreeBSD.org) Received: (from emaste@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id 0590RtLS099963; Tue, 9 Jun 2020 00:27:55 GMT (envelope-from emaste@FreeBSD.org) Message-Id: <202006090027.0590RtLS099963@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: emaste set sender to emaste@FreeBSD.org using -f From: Ed Maste Date: Tue, 9 Jun 2020 00:27:55 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-12@freebsd.org Subject: svn commit: r361948 - in stable: 11/contrib/llvm-project/lld/ELF 12/contrib/llvm-project/lld/ELF X-SVN-Group: stable-12 X-SVN-Commit-Author: emaste X-SVN-Commit-Paths: in stable: 11/contrib/llvm-project/lld/ELF 12/contrib/llvm-project/lld/ELF X-SVN-Commit-Revision: 361948 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-stable@freebsd.org X-Mailman-Version: 2.1.33 Precedence: list List-Id: SVN commit messages for all the -stable branches of the src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 09 Jun 2020 00:27:55 -0000 Author: emaste Date: Tue Jun 9 00:27:54 2020 New Revision: 361948 URL: https://svnweb.freebsd.org/changeset/base/361948 Log: MFC r361740: lld: Set DF_1_PIE for -pie DF_1_PIE originated from Solaris[1]. GNU ld[2] sets the flag on non-Solaris platforms. It can help distinguish PIE from ET_DYN. eu-classify from elfutils uses this to recognize PIE[3]. glibc uses this flag to reject dlopen'ing a PIE[4] [1] https://docs.oracle.com/cd/E36784_01/html/E36857/chapter6-42444.html [2] https://sourceware.org/git/?p=binutils-gdb.git;a=commit;h=5fe2850dd96483f176858fd75c098313d5b20bc2 [3] https://sourceware.org/git/?p=elfutils.git;a=commit;h=3f489b5c7c78df6d52f8982f79c36e9a220e8951 [4] https://sourceware.org/bugzilla/show_bug.cgi?id=24323 Sponsored by: The FreeBSD Foundation Modified: stable/12/contrib/llvm-project/lld/ELF/SyntheticSections.cpp Directory Properties: stable/12/ (props changed) Changes in other areas also in this revision: Modified: stable/11/contrib/llvm-project/lld/ELF/SyntheticSections.cpp Directory Properties: stable/11/ (props changed) stable/11/contrib/llvm-project/lld/ (props changed) Modified: stable/12/contrib/llvm-project/lld/ELF/SyntheticSections.cpp ============================================================================== --- stable/12/contrib/llvm-project/lld/ELF/SyntheticSections.cpp Tue Jun 9 00:26:30 2020 (r361947) +++ stable/12/contrib/llvm-project/lld/ELF/SyntheticSections.cpp Tue Jun 9 00:27:54 2020 (r361948) @@ -1315,6 +1315,8 @@ template void DynamicSection::final dtFlags1 |= DF_1_NODELETE; if (config->zNodlopen) dtFlags1 |= DF_1_NOOPEN; + if (config->pie) + dtFlags1 |= DF_1_PIE; if (config->zNow) { dtFlags |= DF_BIND_NOW; dtFlags1 |= DF_1_NOW;