From owner-svn-src-stable-11@freebsd.org Wed Mar 29 10:59:48 2017 Return-Path: Delivered-To: svn-src-stable-11@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 6A2D0D2278D; Wed, 29 Mar 2017 10:59:48 +0000 (UTC) (envelope-from kib@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 mx1.freebsd.org (Postfix) with ESMTPS id 1F7D4678CA; Wed, 29 Mar 2017 10:59:48 +0000 (UTC) (envelope-from kib@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id v2TAxl2U024432; Wed, 29 Mar 2017 10:59:47 GMT (envelope-from kib@FreeBSD.org) Received: (from kib@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id v2TAxlEH024430; Wed, 29 Mar 2017 10:59:47 GMT (envelope-from kib@FreeBSD.org) Message-Id: <201703291059.v2TAxlEH024430@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: kib set sender to kib@FreeBSD.org using -f From: Konstantin Belousov Date: Wed, 29 Mar 2017 10:59:47 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-11@freebsd.org Subject: svn commit: r316134 - in stable/11/libexec/rtld-elf: . mips X-SVN-Group: stable-11 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-stable-11@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: SVN commit messages for only the 11-stable src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 29 Mar 2017 10:59:48 -0000 Author: kib Date: Wed Mar 29 10:59:46 2017 New Revision: 316134 URL: https://svnweb.freebsd.org/changeset/base/316134 Log: MFC r309068 (by jhb): Fix _mips_rtld_bind() to handle ELF filters. Modified: stable/11/libexec/rtld-elf/mips/reloc.c stable/11/libexec/rtld-elf/rtld.c Directory Properties: stable/11/ (props changed) Modified: stable/11/libexec/rtld-elf/mips/reloc.c ============================================================================== --- stable/11/libexec/rtld-elf/mips/reloc.c Wed Mar 29 10:24:48 2017 (r316133) +++ stable/11/libexec/rtld-elf/mips/reloc.c Wed Mar 29 10:59:46 2017 (r316134) @@ -240,10 +240,17 @@ _mips_rtld_bind(Obj_Entry *obj, Elf_Size Elf_Addr *got = obj->pltgot; const Elf_Sym *def; const Obj_Entry *defobj; + Elf_Addr *where; Elf_Addr target; + RtldLockState lockstate; + rlock_acquire(rtld_bind_lock, &lockstate); + if (sigsetjmp(lockstate.env, 0) != 0) + lock_upgrade(rtld_bind_lock, &lockstate); + + where = &got[obj->local_gotno + reloff - obj->gotsym]; def = find_symdef(reloff, obj, &defobj, SYMLOOK_IN_PLT, NULL, - NULL); + &lockstate); if (def == NULL) rtld_die(); @@ -251,9 +258,9 @@ _mips_rtld_bind(Obj_Entry *obj, Elf_Size dbg("bind now/fixup at %s sym # %jd in %s --> was=%p new=%p", obj->path, (intmax_t)reloff, defobj->strtab + def->st_name, - (void *)got[obj->local_gotno + reloff - obj->gotsym], - (void *)target); - got[obj->local_gotno + reloff - obj->gotsym] = target; + (void *)*where, (void *)target); + *where = target; + lock_release(rtld_bind_lock, &lockstate); return (Elf_Addr)target; } Modified: stable/11/libexec/rtld-elf/rtld.c ============================================================================== --- stable/11/libexec/rtld-elf/rtld.c Wed Mar 29 10:24:48 2017 (r316133) +++ stable/11/libexec/rtld-elf/rtld.c Wed Mar 29 10:59:46 2017 (r316134) @@ -702,6 +702,10 @@ rtld_resolve_ifunc(const Obj_Entry *obj, return ((void *)target); } +/* + * NB: MIPS uses a private version of this function (_mips_rtld_bind). + * Changes to this function should be applied there as well. + */ Elf_Addr _rtld_bind(Obj_Entry *obj, Elf_Size reloff) {