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- /* Copyright (C) 1991 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>
-
- #ifndef SYS_brk
- #define SYS_brk 17
- #endif
-
- #ifndef HAVE_GNU_LD
- #define __end _end
- #endif
-
- .data
- .globl ___curbrk
- ___curbrk:
- .long __end
-
- .text
- ENTRY (__brk)
- cmpl 4(ap), __end
- bgeq 0f
- movl __env, 4(ap)
- 0: chmk $SYS_brk
- bcs 1f
- movl 4(ap), ___curbrk
- clrl r0
- ret
- 1:
- jmp syscall_error
-