2015-01-18 06:29:12 +00:00
|
|
|
/* Static library error handling code fragment for Nios II.
|
2018-01-01 00:32:25 +00:00
|
|
|
Copyright (C) 2015-2018 Free Software Foundation, Inc.
|
2015-01-18 06:29:12 +00:00
|
|
|
This file is part of the GNU C Library.
|
|
|
|
|
|
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
|
|
|
modify it under the terms of the GNU Lesser General Public License as
|
|
|
|
|
published by the Free Software Foundation; either version 2.1 of the
|
|
|
|
|
License, or (at your option) any later version.
|
|
|
|
|
|
|
|
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
|
|
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
|
|
|
Lesser General Public License for more details.
|
|
|
|
|
|
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
|
|
|
License along with the GNU C Library; if not, see
|
|
|
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
|
|
|
|
|
|
#include <sysdep.h>
|
|
|
|
|
|
|
|
|
|
/* The following code is only used in the static library. In the shared
|
|
|
|
|
library, the error handling code is at the end of each function. */
|
|
|
|
|
|
|
|
|
|
#ifndef PIC
|
|
|
|
|
|
|
|
|
|
/* In the static library, the syscall stubs jump here when they detect
|
|
|
|
|
an error. */
|
|
|
|
|
|
|
|
|
|
# undef CALL_MCOUNT
|
|
|
|
|
# define CALL_MCOUNT /* Don't insert the profiling call, it clobbers r2. */
|
|
|
|
|
|
|
|
|
|
# if IS_IN (libc)
|
|
|
|
|
# define SYSCALL_ERROR_ERRNO __libc_errno
|
|
|
|
|
# else
|
|
|
|
|
# define SYSCALL_ERROR_ERRNO errno
|
|
|
|
|
# endif
|
|
|
|
|
.text
|
|
|
|
|
ENTRY (__syscall_error)
|
|
|
|
|
nextpc r3
|
|
|
|
|
1:
|
|
|
|
|
movhi r8, %hiadj(_gp_got - 1b)
|
|
|
|
|
addi r8, r8, %lo(_gp_got - 1b)
|
|
|
|
|
add r3, r3, r8
|
|
|
|
|
ldw r3, %tls_ie(SYSCALL_ERROR_ERRNO)(r3)
|
|
|
|
|
add r3, r23, r3
|
|
|
|
|
stw r2, 0(r3)
|
|
|
|
|
movi r2, -1
|
|
|
|
|
ret
|
|
|
|
|
END (__syscall_error)
|
|
|
|
|
#endif
|
