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/* Copyright (C) 1991, 1992, 1993, 1995 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., 675 Mass Ave,
Cambridge, MA 02139, USA. */
#include <sysdep.h>
.data
.globl C_SYMBOL_NAME(__curbrk)
C_LABEL(__curbrk)
#ifdef PIC
.long 0
#else
# ifdef HAVE_GNU_LD
.long C_SYMBOL_NAME(_end)
# else
.long C_SYMBOL_NAME(end)
# endif
#endif
.text
SYSCALL_ERROR_HANDLER
ENTRY (__brk)
movl %ebx, %edx
movl $SYS_ify(brk), %eax
movl 4(%esp), %ebx
int $0x80
movl %edx, %ebx
cmpl 4(%esp), %eax
jne JUMPTARGET(syscall_error)
#ifdef PIC
/* Standard PIC nonsense to store into `__curbrk' through the GOT. */
call here
here: popl %ecx
addl $_GLOBAL_OFFSET_TABLE_+[.-here], %ecx
movl C_SYMBOL_NAME(__curbrk@GOT)(%ecx), %ecx
movl %eax, (%ecx)
#else
movl %eax, C_SYMBOL_NAME(__curbrk)
#endif
xorl %eax, %eax
ret
weak_alias (__brk, brk)
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