From owner-svn-src-all@freebsd.org Fri Mar 6 15:58:53 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 99C4D26B291; Fri, 6 Mar 2020 15:58:53 +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) 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 48Ysjn2FtPz3yk5; Fri, 6 Mar 2020 15:58:53 +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 0D3172287E; Fri, 6 Mar 2020 15:58:53 +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 026FwqKJ064420; Fri, 6 Mar 2020 15:58:52 GMT (envelope-from emaste@FreeBSD.org) Received: (from emaste@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id 026FwqlB064419; Fri, 6 Mar 2020 15:58:52 GMT (envelope-from emaste@FreeBSD.org) Message-Id: <202003061558.026FwqlB064419@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: emaste set sender to emaste@FreeBSD.org using -f From: Ed Maste Date: Fri, 6 Mar 2020 15:58:52 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r358708 - head/contrib/elftoolchain/readelf X-SVN-Group: head X-SVN-Commit-Author: emaste X-SVN-Commit-Paths: head/contrib/elftoolchain/readelf X-SVN-Commit-Revision: 358708 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: Fri, 06 Mar 2020 15:58:53 -0000 Author: emaste Date: Fri Mar 6 15:58:52 2020 New Revision: 358708 URL: https://svnweb.freebsd.org/changeset/base/358708 Log: readelf: decode and print Xen ELF note strings Sponsored by: The FreeBSD Foundation Modified: head/contrib/elftoolchain/readelf/readelf.c Modified: head/contrib/elftoolchain/readelf/readelf.c ============================================================================== --- head/contrib/elftoolchain/readelf/readelf.c Fri Mar 6 15:57:21 2020 (r358707) +++ head/contrib/elftoolchain/readelf/readelf.c Fri Mar 6 15:58:52 2020 (r358708) @@ -3677,6 +3677,33 @@ static struct flag_desc note_feature_ctl_flags[] = { }; static void +dump_note_string(const char *description, const char *s, size_t len) +{ + size_t i; + int printable = 1; + + if (len == 0 || s[--len] != '\0') { + printable = 0; + } else { + for (i = 0; i < len; i++) { + if (!isprint(s[i])) { + printable = 0; + break; + } + } + } + + if (printable) { + printf(" %s: %s\n", description, s); + } else { + printf(" description data:"); + for (i = 0; i < len; i++) + printf(" %02x", (unsigned char)s[i]); + printf("\n"); + } +} + +static void dump_notes_data(struct readelf *re, const char *name, uint32_t type, const char *buf, size_t sz) { @@ -3714,6 +3741,30 @@ dump_notes_data(struct readelf *re, const char *name, switch (type) { case NT_GNU_PROPERTY_TYPE_0: dump_gnu_property_type_0(re, buf, sz); + return; + } + } else if (strcmp(name, "Xen") == 0) { + switch (type) { + case 5: + dump_note_string("Xen version", buf, sz); + return; + case 6: + dump_note_string("Guest OS", buf, sz); + return; + case 7: + dump_note_string("Guest version", buf, sz); + return; + case 8: + dump_note_string("Loader", buf, sz); + return; + case 9: + dump_note_string("PAE mode", buf, sz); + return; + case 10: + dump_note_string("Features", buf, sz); + return; + case 11: + dump_note_string("BSD symtab", buf, sz); return; } }