1 /* 2 * Copyright (c) 2015 Dmitry V. Levin <ldv (at) altlinux.org> 3 * Copyright (c) 2014-2018 The strace developers. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #include "defs.h" 30 #include "xlat/personality_flags.h" 31 #include "xlat/personality_types.h" 32 33 34 SYS_FUNC(personality) 35 { 36 unsigned int pers; 37 38 if (entering(tcp)) { 39 pers = tcp->u_arg[0]; 40 if (0xffffffff == pers) { 41 tprints("0xffffffff"); 42 } else { 43 printxval(personality_types, pers & PER_MASK, "PER_???"); 44 pers &= ~PER_MASK; 45 if (pers) { 46 tprints("|"); 47 printflags(personality_flags, pers, NULL); 48 } 49 } 50 return 0; 51 } 52 53 if (syserror(tcp)) 54 return 0; 55 56 pers = tcp->u_rval; 57 static char outstr[1024]; 58 char *p = outstr + sprintxval(outstr, sizeof(outstr), personality_types, 59 pers & PER_MASK, "PER_???"); 60 pers &= ~PER_MASK; 61 if (pers) 62 strcpy(p, sprintflags("|", personality_flags, pers)); 63 tcp->auxstr = outstr; 64 return RVAL_HEX | RVAL_STR; 65 } 66
