From owner-svn-src-all@freebsd.org Wed Apr 15 20:26:41 2020 Return-Path: Delivered-To: svn-src-all@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 B54DD2C1539; Wed, 15 Apr 2020 20:26:41 +0000 (UTC) (envelope-from brooks@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) server-signature RSA-PSS (4096 bits) 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 492YmK4QMHz4Mtn; Wed, 15 Apr 2020 20:26:41 +0000 (UTC) (envelope-from brooks@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 92C6224C0A; Wed, 15 Apr 2020 20:26:41 +0000 (UTC) (envelope-from brooks@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id 03FKQf8f095734; Wed, 15 Apr 2020 20:26:41 GMT (envelope-from brooks@FreeBSD.org) Received: (from brooks@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id 03FKQf3B095733; Wed, 15 Apr 2020 20:26:41 GMT (envelope-from brooks@FreeBSD.org) Message-Id: <202004152026.03FKQf3B095733@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: brooks set sender to brooks@FreeBSD.org using -f From: Brooks Davis Date: Wed, 15 Apr 2020 20:26:41 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r359990 - head/lib/libc/gen X-SVN-Group: head X-SVN-Commit-Author: brooks X-SVN-Commit-Paths: head/lib/libc/gen X-SVN-Commit-Revision: 359990 X-SVN-Commit-Repository: base 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: 2.1.29 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: Wed, 15 Apr 2020 20:26:41 -0000 Author: brooks Date: Wed Apr 15 20:26:41 2020 New Revision: 359990 URL: https://svnweb.freebsd.org/changeset/base/359990 Log: Support AT_PS_STRINGS in _elf_aux_info(). This will be used by setproctitle(). Reviewed by: kib Obtained from: CheriBSD Sponsored by: DARPA Differential Revision: https://reviews.freebsd.org/D24407 Modified: head/lib/libc/gen/auxv.c Modified: head/lib/libc/gen/auxv.c ============================================================================== --- head/lib/libc/gen/auxv.c Wed Apr 15 20:25:38 2020 (r359989) +++ head/lib/libc/gen/auxv.c Wed Apr 15 20:26:41 2020 (r359990) @@ -70,7 +70,7 @@ static pthread_once_t aux_once = PTHREAD_ONCE_INIT; static int pagesize, osreldate, canary_len, ncpus, pagesizes_len, bsdflags; static int hwcap_present, hwcap2_present; static char *canary, *pagesizes, *execpath; -static void *timekeep; +static void *ps_strings, *timekeep; static u_long hwcap, hwcap2; #ifdef __powerpc__ @@ -135,6 +135,10 @@ init_aux(void) case AT_TIMEKEEP: timekeep = aux->a_un.a_ptr; break; + + case AT_PS_STRINGS: + ps_strings = aux->a_un.a_ptr; + break; #ifdef __powerpc__ /* * Since AT_STACKPROT is always set, and the common @@ -334,6 +338,16 @@ _elf_aux_info(int aux, void *buf, int buflen) if (buflen == sizeof(int)) { *(int *)buf = bsdflags; res = 0; + } else + res = EINVAL; + break; + case AT_PS_STRINGS: + if (buflen == sizeof(void *)) { + if (ps_strings != NULL) { + *(void **)buf = ps_strings; + res = 0; + } else + res = ENOENT; } else res = EINVAL; break;