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src/linux/aarch64/set_scno.c
29 строк
666 B
Dmitry V. Levin
Update copyright headers
16 фев 2021, 11:00
16 фев 2021, 11:00
8fa8a88
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/* * Copyright (c) 2016-2021 The strace developers. * All rights reserved. * * SPDX-License-Identifier: LGPL-2.1-or-later */ #ifndef NT_ARM_SYSTEM_CALL # define NT_ARM_SYSTEM_CALL 0x404 #endif /* * NT_ARM_SYSTEM_CALL regset is supported by linux kernel * starting with commit v3.19-rc1~59^2~16. */ static int arch_set_scno(struct tcb *tcp, kernel_ulong_t scno) { unsigned int n = (uint16_t) scno; const struct iovec io = { .iov_base = &n, .iov_len = sizeof(n) }; int rc = ptrace(PTRACE_SETREGSET, tcp->pid, NT_ARM_SYSTEM_CALL, &io); if (rc && errno != ESRCH) perror_func_msg("NT_ARM_SYSTEM_CALL pid:%d scno:%#x", tcp->pid, n); return rc; }