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/* Copyright (C) 1993, 1996 Free Software Foundation, Inc.
Contributed by Brendan Kehoe (brendan@zen.org).
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
Cambridge, MA 02139, USA. */
#include <sysdep.h>
#include <features.h>
.section .bss
.globl errno
.align 2
errno: .space 4
#ifdef __ELF__
.type errno, @object
.size errno, 4
#endif
.globl __errno
__errno = errno
.text
.align 2
#ifdef _LIBC_REENTRANT
.globl __syscall_error
.ent __syscall_error
__syscall_error:
ldgp gp, 0(t12)
lda sp, -16(sp)
.frame sp, 16, ra, 0
stq ra, 0(sp)
stq v0, 8(sp)
.mask 0x4000001, -16
.prologue 1
/* Store into the "real" variable. */
stl v0, errno
/* Find our per-thread errno address */
jsr ra, __errno_location
/* Store the error value. */
ldl t0, 8(sp)
stl t0, 0(v0)
/* And kick back a -1. */
ldi v0, -1
ldq ra, 0(sp)
lda sp, 16(sp)
ret
.end __syscall_error
/* A default non-threaded version of __errno_location that just returns
the address of errno. */
.weak __errno_location
.ent __errno_location
__errno_location:
.frame sp, 0, ra
ldgp gp, 0(t12)
.mask 0, 0
.prologue 1
lda v0, errno
ret
.end __errno_location
#else
ENTRY(__syscall_error)
ldgp gp, 0(t12)
.prologue 1
stl v0, errno
lda v0, -1
ret
END(__syscall_error)
#endif /* _LIBC_REENTRANT */
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