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-/* Copyright (C) 1991,1992,1993,1994,1995,1996,1997,2000,2002,2004,2005
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- Free Software Foundation, Inc.
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- This file is part of the GNU C Library.
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-
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- The GNU C Library is free software; you can redistribute it and/or
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- modify it under the terms of the GNU Lesser General Public
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- License as published by the Free Software Foundation; either
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- version 2.1 of the License, or (at your option) any later version.
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-
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- The GNU C Library is distributed in the hope that it will be useful,
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- but WITHOUT ANY WARRANTY; without even the implied warranty of
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- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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- Lesser General Public License for more details.
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-
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- You should have received a copy of the GNU Lesser General Public
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- License along with the GNU C Library; if not, write to the Free
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- Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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- 02111-1307 USA. */
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-
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-#include <sysdep.h>
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-#define _ERRNO_H
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-#include <bits/errno.h>
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-#include <bp-asm.h>
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-#include <bp-sym.h>
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-
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-#ifdef IS_IN_rtld
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-# include <dl-sysdep.h> /* Defines RTLD_PRIVATE_ERRNO. */
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-#endif
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-
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-.globl C_SYMBOL_NAME(errno)
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-.globl syscall_error
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-
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-#undef syscall_error
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-#ifdef NO_UNDERSCORES
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-__syscall_error:
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-#else
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-syscall_error:
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-#endif
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-#if defined (EWOULDBLOCK_sys) && EWOULDBLOCK_sys != EAGAIN
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- /* We translate the system's EWOULDBLOCK error into EAGAIN.
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- The GNU C library always defines EWOULDBLOCK==EAGAIN.
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- EWOULDBLOCK_sys is the original number. */
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- cmpl $EWOULDBLOCK_sys, %eax /* Is it the old EWOULDBLOCK? */
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- jne notb /* Branch if not. */
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- movl $EAGAIN, %eax /* Yes; translate it to EAGAIN. */
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-notb:
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-#endif
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-#ifndef PIC
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-# if USE___THREAD
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-# ifndef NO_TLS_DIRECT_SEG_REFS
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- movl %eax, %gs:C_SYMBOL_NAME(errno@NTPOFF)
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-# else
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- movl %gs:0, %ecx
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- movl %eax, C_SYMBOL_NAME(errno@NTPOFF)(%ecx)
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-# endif
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-# elif !defined _LIBC_REENTRANT
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- movl %eax, C_SYMBOL_NAME(errno)
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-# else
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- pushl %eax
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- PUSH_ERRNO_LOCATION_RETURN
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- call BP_SYM (PAL(__errno_location))
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- POP_ERRNO_LOCATION_RETURN
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- popl %ecx
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- movl %ecx, (%eax)
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-# endif
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-#else
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- /* The caller has pushed %ebx and then set it up to
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- point to the GOT before calling us through the PLT. */
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-# if USE___THREAD
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- movl C_SYMBOL_NAME(errno@GOTNTPOFF)(%ebx), %ecx
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-
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- /* Pop %ebx value saved before jumping here. */
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- popl %ebx
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-# ifndef NO_TLS_DIRECT_SEG_REFS
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- addl %gs:0, %ecx
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- movl %eax, (%ecx)
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-# else
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- movl %eax, %gs:0(%ecx)
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-# endif
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-# elif RTLD_PRIVATE_ERRNO
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- movl %eax, C_SYMBOL_NAME(rtld_errno@GOTOFF)(%ebx)
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-
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- /* Pop %ebx value saved before jumping here. */
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- popl %ebx
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-# elif !defined _LIBC_REENTRANT
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- movl C_SYMBOL_NAME(errno@GOT)(%ebx), %ecx
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-
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- /* Pop %ebx value saved before jumping here. */
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- popl %ebx
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- movl %eax, (%ecx)
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-# else
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- pushl %eax
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- PUSH_ERRNO_LOCATION_RETURN
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- call C_SYMBOL_NAME (BP_SYM (PAL(__errno_location))@PLT)
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- POP_ERRNO_LOCATION_RETURN
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- popl %ecx
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- /* Pop %ebx value saved before jumping here. */
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- popl %ebx
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- movl %ecx, (%eax)
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-# endif
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-#endif
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- movl $-1, %eax
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- ret
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-
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-#undef __syscall_error
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-END (__syscall_error)
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