1 /* Static library error handling code fragment for Nios II.
2 Copyright (C) 2015-2016 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public License as
7 published by the Free Software Foundation; either version 2.1 of the
8 License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <http://www.gnu.org/licenses/>. */
21 /* The following code is only used in the static library. In the shared
22 library, the error handling code is at the end of each function. */
26 /* In the static library, the syscall stubs jump here when they detect
30 # define CALL_MCOUNT /* Don't insert the profiling call, it clobbers r2. */
33 # define SYSCALL_ERROR_ERRNO __libc_errno
35 # define SYSCALL_ERROR_ERRNO errno
38 ENTRY (__syscall_error)
41 movhi r8, %hiadj(_gp_got - 1b)
42 addi r8, r8, %lo(_gp_got - 1b)
44 ldw r3, %tls_ie(SYSCALL_ERROR_ERRNO)(r3)