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src/linux/tile/get_error.c
25 строк
648 B
Dmitry V. Levin
Update copyright headers
16 фев 2021, 11:00
16 фев 2021, 11:00
8fa8a88
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/* * Copyright (c) 2015-2021 The strace developers. * All rights reserved. * * SPDX-License-Identifier: LGPL-2.1-or-later */ #include "negated_errno.h" static void arch_get_error(struct tcb *tcp, const bool check_errno) { /* * The standard tile calling convention returns the value * (or negative errno) in r0, and zero (or positive errno) in r1. * Until at least kernel 3.8, however, the r1 value is not * reflected in ptregs at this point, so we use r0 here. */ if (check_errno && is_negated_errno(tile_regs.regs[0])) { tcp->u_rval = -1; tcp->u_error = -tile_regs.regs[0]; } else { tcp->u_rval = tile_regs.regs[0]; } }