1 /* 2 * Copyright (c) 2017 Dmitry V. Levin <ldv (at) altlinux.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. The name of the author may not be used to endorse or promote products 14 * derived from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 #include "defs.h" 29 30 #include DEF_MPERS_TYPE(struct_rt_sigframe) 31 32 #include "rt_sigframe.h" 33 34 #include MPERS_DEFS 35 36 #ifndef OFFSETOF_SIGMASK_IN_RT_SIGFRAME 37 # define OFFSETOF_SIGMASK_IN_RT_SIGFRAME \ 38 offsetof(struct_rt_sigframe, uc.uc_sigmask) 39 #endif 40 41 SYS_FUNC(rt_sigreturn) 42 { 43 const kernel_ulong_t sf_addr = get_rt_sigframe_addr(tcp); 44 45 if (sf_addr) { 46 const kernel_ulong_t sm_addr = 47 sf_addr + OFFSETOF_SIGMASK_IN_RT_SIGFRAME; 48 tprints("{mask="); 49 print_sigset_addr(tcp, sm_addr); 50 tprints("}"); 51 } 52 53 return RVAL_DECODED; 54 } 55
