Subversion Repositories openrisc_2011-10-31

/* Copyright (C) 1991, 92, 93, 94, 95, 96, 97, 2000 Free Software Foundation, Inc.

   This file has been modified from 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, write to the Free

   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA

   02111-1307 USA.  */

#include 

#define _ERRNO_H

#include 

#include 

#include 

.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

        pushl %eax

        PUSH_ERRNO_LOCATION_RETURN

        call BP_SYM (__errno)

        POP_ERRNO_LOCATION_RETURN

        popl %ecx

        movl %ecx, (%eax)

#else

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

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

        pushl %eax

        PUSH_ERRNO_LOCATION_RETURN

        call C_SYMBOL_NAME (BP_SYM (__errno)@PLT)

        POP_ERRNO_LOCATION_RETURN

        popl %ecx

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

        popl %ebx

        movl %ecx, (%eax)

#endif

        movl $-1, %eax

        ret

#undef  __syscall_error

END (__syscall_error)