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/* Copyright (C) 2001 Free Software Foundation, Inc.
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 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., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <sysdep.h>
/* Make space for the errno variable. */
.globl C_SYMBOL_NAME(errno)
.type C_SYMBOL_NAME(errno),@object
.lcomm C_SYMBOL_NAME(errno),4
weak_alias (errno, _errno)
/* The syscall stubs jump here when they detect an error, bot for PIC and
non-PIC. */
.syntax no_register_prefix
ENTRY (__syscall_error)
neg.d r10,r10
#ifdef _LIBC_REENTRANT
push r10
push srp
/* Note that __syscall_error is only visible within this library,
and no-one passes it on as a pointer, so can assume that R0 (GOT
pointer) is correctly set up. */
PLTCALL (__errno_location)
pop srp
pop r11
move.d r11,[r10]
#else /* not _LIBC_REENTRANT */
# ifdef __PIC__
move.d [r0+C_SYMBOL_NAME(errno:GOT)],r9
move.d r10,[r9]
# else
move.d r10,[C_SYMBOL_NAME(errno)]
# endif
#endif /* _LIBC_REENTRANT */
#ifdef __PIC__
/* PIC callers are supposed to have R0 on stack, ready for us to restore.
Callers are only allowed from within this DSO, so the GOT in r0 is the
one we want to use.
(Don't use "ret" - it's a macro). */
moveq -1,r10
Ret
pop r0
#else
Ret
moveq -1,r10
#endif
END (__syscall_error)
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