From owner-svn-src-user@FreeBSD.ORG Sun Feb 15 07:47:19 2015 Return-Path: Delivered-To: svn-src-user@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 2ECD72E2; Sun, 15 Feb 2015 07:47:19 +0000 (UTC) Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:1900:2254:2068::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 00A53774; Sun, 15 Feb 2015 07:47:19 +0000 (UTC) Received: from svn.freebsd.org ([127.0.1.70]) by svn.freebsd.org (8.14.9/8.14.9) with ESMTP id t1F7lIrw078945; Sun, 15 Feb 2015 07:47:18 GMT (envelope-from dchagin@FreeBSD.org) Received: (from dchagin@localhost) by svn.freebsd.org (8.14.9/8.14.9/Submit) id t1F7lIqJ078944; Sun, 15 Feb 2015 07:47:18 GMT (envelope-from dchagin@FreeBSD.org) Message-Id: <201502150747.t1F7lIqJ078944@svn.freebsd.org> X-Authentication-Warning: svn.freebsd.org: dchagin set sender to dchagin@FreeBSD.org using -f From: Dmitry Chagin Date: Sun, 15 Feb 2015 07:47:18 +0000 (UTC) To: src-committers@freebsd.org, svn-src-user@freebsd.org Subject: svn commit: r278792 - user/dchagin/lemul/sys/compat/linprocfs X-SVN-Group: user MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-user@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: "SVN commit messages for the experimental " user" src tree" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 15 Feb 2015 07:47:19 -0000 Author: dchagin Date: Sun Feb 15 07:47:18 2015 New Revision: 278792 URL: https://svnweb.freebsd.org/changeset/base/278792 Log: Add vdso and stack names to the /proc/self/maps. Modified: user/dchagin/lemul/sys/compat/linprocfs/linprocfs.c Modified: user/dchagin/lemul/sys/compat/linprocfs/linprocfs.c ============================================================================== --- user/dchagin/lemul/sys/compat/linprocfs/linprocfs.c Sun Feb 15 01:34:00 2015 (r278791) +++ user/dchagin/lemul/sys/compat/linprocfs/linprocfs.c Sun Feb 15 07:47:18 2015 (r278792) @@ -989,6 +989,8 @@ linprocfs_doprocenviron(PFS_FILL_ARGS) static char l32_map_str[] = "%08lx-%08lx %s%s%s%s %08lx %02x:%02x %lu%s%s\n"; static char l64_map_str[] = "%016lx-%016lx %s%s%s%s %08lx %02x:%02x %lu%s%s\n"; +static char vdso_str[] = " [vdso]"; +static char stack_str[] = " [stack]"; /* * Filler function for proc/pid/maps @@ -1025,6 +1027,11 @@ linprocfs_doprocmaps(PFS_FILL_ARGS) vm = vmspace_acquire_ref(p); if (vm == NULL) return (ESRCH); + + if (SV_CURPROC_FLAG(SV_LP64)) + l_map_str = l64_map_str; + else + l_map_str = l32_map_str; map = &vm->vm_map; vm_map_lock_read(map); for (entry = map->header.next; entry != &map->header; @@ -1067,6 +1074,11 @@ linprocfs_doprocmaps(PFS_FILL_ARGS) VOP_GETATTR(vp, &vat, td->td_ucred); ino = vat.va_fileid; vput(vp); + } else { + if (e_start == p->p_sysent->sv_shared_page_base) + name = vdso_str; + if (e_end == p->p_sysent->sv_usrstack) + name = stack_str; } } else { flags = 0; @@ -1078,10 +1090,6 @@ linprocfs_doprocmaps(PFS_FILL_ARGS) * format: * start, end, access, offset, major, minor, inode, name. */ - if (SV_CURPROC_FLAG(SV_LP64)) - l_map_str = l64_map_str; - else - l_map_str = l32_map_str; error = sbuf_printf(sb, l_map_str, (u_long)e_start, (u_long)e_end, (e_prot & VM_PROT_READ)?"r":"-",