Dmitry V. Levin
92e347b556
We do our best to keep copyright headers up to date, yet git history provides better information on this subject and is more accurate than copyright headers.
43 lines
814 B
C
43 lines
814 B
C
/*
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* Copyright (c) 2015-2018 The strace developers.
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* All rights reserved.
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*
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* SPDX-License-Identifier: LGPL-2.1-or-later
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*/
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static void
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arch_sigreturn(struct tcb *tcp)
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{
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kernel_ulong_t addr;
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if (!get_stack_pointer(tcp, &addr))
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return;
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/* Skip dummy stack frame. */
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addr += 64;
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#ifdef POWERPC64
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/* The only sigreturn on ppc64 is compat_sys_sigreturn. */
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typedef struct {
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unsigned int _unused[4];
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int signal;
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unsigned int handler;
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unsigned int oldmask;
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/* all the rest is irrelevant */
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} sigreturn_context;
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#else
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typedef struct sigcontext sigreturn_context;
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#endif
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sigreturn_context sc;
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if (!umove_or_printaddr(tcp, addr, &sc)) {
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const unsigned int mask[NSIG_BYTES / sizeof(int)] = {
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sc.oldmask,
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sc._unused[3]
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};
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tprintsigmask_addr("{mask=", mask);
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tprints("}");
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}
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}
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