/* * Copyright (c) 2015-2021 The strace developers. * All rights reserved. * * SPDX-License-Identifier: LGPL-2.1-or-later */ #ifndef SIGNAL_FRAMESIZE # define SIGNAL_FRAMESIZE 96 #endif #ifndef PTR_TYPE # define PTR_TYPE unsigned long #endif static void arch_sigreturn(struct tcb *tcp) { kernel_ulong_t addr; if (!get_stack_pointer(tcp, &addr)) return; addr += SIGNAL_FRAMESIZE; PTR_TYPE mask[NSIG_BYTES / sizeof(PTR_TYPE)]; if (!umove_or_printaddr(tcp, addr, &mask)) { tprintsigmask_addr(mask); } }