/* Copyright (C) 1991-2018 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 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>

#define _ERRNO_H

#include <bits/errno.h>

#if IS_IN (rtld)

# include <dl-sysdep.h>		/* Defines RTLD_PRIVATE_ERRNO.  */

#endif

.globl C_SYMBOL_NAME(errno)

.globl syscall_error

__syscall_error:

#if defined (EWOULDBLOCK_sys) && EWOULDBLOCK_sys != EAGAIN

	/* We translate the system's EWOULDBLOCK error into EAGAIN.

	   The GNU C library always defines EWOULDBLOCK==EAGAIN.

	   EWOULDBLOCK_sys is the original number.  */

	cmpl $EWOULDBLOCK_sys, %eax /* Is it the old EWOULDBLOCK?  */

	jne notb		/* Branch if not.  */

	movl $EAGAIN, %eax	/* Yes; translate it to EAGAIN.  */

notb:

#endif

#ifndef	PIC

# ifndef NO_TLS_DIRECT_SEG_REFS

	movl %eax, %gs:C_SYMBOL_NAME(errno@NTPOFF)

# else

	movl %gs:0, %ecx

	movl %eax, C_SYMBOL_NAME(errno@NTPOFF)(%ecx)

# endif

#else

	/* The caller has pushed %ebx and then set it up to

	   point to the GOT before calling us through the PLT.  */

	movl C_SYMBOL_NAME(errno@GOTNTPOFF)(%ebx), %ecx

	/* Pop %ebx value saved before jumping here.  */

	popl %ebx

# ifndef NO_TLS_DIRECT_SEG_REFS

	addl %gs:0, %ecx

	movl %eax, (%ecx)

# else

	movl %eax, %gs:0(%ecx)

# endif

#endif

	movl $-1, %eax

	ret

#undef	__syscall_error

END (__syscall_error)