/* Copyright (C) 2001, 2002 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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <sysdep.h>
/* The Linux version is in fact x86-64/ELF and the start.? file for this
system (sysdeps/x86_64/elf/start.S) is also used by The Hurd. This file
must not contain the definition of the `errno' variable, we have to
define it somewhere else.
...and this place is here. */
.bss
.globl errno
.type errno,@object
.size errno,4
errno:
.space 4
weak_alias (errno, _errno)
/* The following code is only used in the shared library when we
compile the reentrant version. Otherwise each system call defines
each own version. */
#ifndef PIC
/* The syscall stubs jump here when they detect an error.
The code for Linux is almost identical to the canonical Unix
code, except that the error number in %rax is negated. */
#undef CALL_MCOUNT
#define CALL_MCOUNT /* Don't insert the profiling call, it clobbers %rax. */
.text
ENTRY (__syscall_error)
negq %rax
#define __syscall_error __syscall_error_1
#include <sysdeps/unix/x86_64/sysdep.S>
#endif /* !PIC */
