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.
30 lines
678 B
C
30 lines
678 B
C
/*
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* Copyright (c) 2016-2018 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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#ifndef NT_ARM_SYSTEM_CALL
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# define NT_ARM_SYSTEM_CALL 0x404
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#endif
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/*
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* NT_ARM_SYSTEM_CALL regset is supported by linux kernel
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* starting with commit v3.19-rc1~59^2~16.
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*/
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static int
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arch_set_scno(struct tcb *tcp, kernel_ulong_t scno)
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{
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unsigned int n = (uint16_t) scno;
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const struct iovec io = {
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.iov_base = &n,
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.iov_len = sizeof(n)
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};
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int rc = ptrace(PTRACE_SETREGSET, tcp->pid, NT_ARM_SYSTEM_CALL, &io);
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if (rc && errno != ESRCH)
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perror_msg("arch_set_scno: NT_ARM_SYSTEM_CALL pid:%d scno:%#x",
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tcp->pid, n);
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return rc;
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}
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