From owner-svn-src-all@freebsd.org Tue Jan 24 22:46:44 2017 Return-Path: Delivered-To: svn-src-all@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 99812CC026B; Tue, 24 Jan 2017 22:46:44 +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 mx1.freebsd.org (Postfix) with ESMTPS id 691F7C86; Tue, 24 Jan 2017 22:46:44 +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 v0OMkhoI063220; Tue, 24 Jan 2017 22:46:43 GMT (envelope-from emaste@FreeBSD.org) Received: (from emaste@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id v0OMkhRs063219; Tue, 24 Jan 2017 22:46:43 GMT (envelope-from emaste@FreeBSD.org) Message-Id: <201701242246.v0OMkhRs063219@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: emaste set sender to emaste@FreeBSD.org using -f From: Ed Maste Date: Tue, 24 Jan 2017 22:46:43 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r312725 - head/sys/kern X-SVN-Group: head MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 24 Jan 2017 22:46:44 -0000 Author: emaste Date: Tue Jan 24 22:46:43 2017 New Revision: 312725 URL: https://svnweb.freebsd.org/changeset/base/312725 Log: imgact_elf: refactor et_dyn_addr calculation This simplifies the logic somewhat. It is extracted from the change in review in D5603. Differential Revision: https://reviews.freebsd.org/D9321 Modified: head/sys/kern/imgact_elf.c Modified: head/sys/kern/imgact_elf.c ============================================================================== --- head/sys/kern/imgact_elf.c Tue Jan 24 22:00:16 2017 (r312724) +++ head/sys/kern/imgact_elf.c Tue Jan 24 22:46:43 2017 (r312725) @@ -859,6 +859,7 @@ __CONCAT(exec_, __elfN(imgact))(struct i error = ENOEXEC; goto ret; } + et_dyn_addr = 0; if (hdr->e_type == ET_DYN) { if ((brand_info->flags & BI_CAN_EXEC_DYN) == 0) { uprintf("Cannot execute shared object\n"); @@ -871,10 +872,7 @@ __CONCAT(exec_, __elfN(imgact))(struct i */ if (baddr == 0) et_dyn_addr = ET_DYN_LOAD_ADDR; - else - et_dyn_addr = 0; - } else - et_dyn_addr = 0; + } sv = brand_info->sysvec; if (interp != NULL && brand_info->interp_newpath != NULL) newinterp = brand_info->interp_newpath; @@ -1058,7 +1056,7 @@ __CONCAT(exec_, __elfN(imgact))(struct i imgp->reloc_base = addr; imgp->proc->p_osrel = osrel; - ret: +ret: free(interp_buf, M_TEMP); return (error); }