1991-06-10 23:59:04 +00:00
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/* Copyright (C) 1991 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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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 Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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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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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If
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not, write to the Free Software Foundation, Inc., 675 Mass Ave,
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Cambridge, MA 02139, USA. */
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#include <sysdep.h>
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#ifndef SYS_brk
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#define SYS_brk 17
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#endif
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1992-03-11 02:34:24 +00:00
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#ifndef HAVE_GNU_LD
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#define __end _end
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#endif
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1991-06-10 23:59:04 +00:00
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.data
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.globl ___curbrk
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___curbrk:
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1992-03-11 02:34:24 +00:00
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.long __end
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1991-06-10 23:59:04 +00:00
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.text
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1992-03-11 02:34:24 +00:00
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ENTRY (__brk)
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cmpl 4(ap), __end
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bgeq 0f
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movl __env, 4(ap)
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0: chmk $SYS_brk
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bcs 1f
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movl 4(ap), ___curbrk
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1991-06-10 23:59:04 +00:00
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clrl r0
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ret
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1992-03-11 02:34:24 +00:00
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1:
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jmp syscall_error
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