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Initial revision

This commit is contained in:
Roland McGrath 1991-06-26 20:51:19 +00:00
parent 5373046316
commit bb8b0f1730
2 changed files with 94 additions and 0 deletions
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47
sysdeps/unix/bsd/hp/m68k/brk.S Normal file
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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 __GNU_STAB__
#define __end _end
#endif
.data
.globl ___curbrk
___curbrk:
.long __end
.text
ENTRY (__brk)
movel __end, d0
cmpl sp@(4), d0
ble 0f
movel d0, sp@(4)
0: movel POUND(SYS_brk), d0
trap POUND(0)
bcs 1f
movel sp@(4), ___curbrk
clrl d0
rts
1:
jmp syscall_error

47
sysdeps/unix/bsd/sun/m68k/brk.S Normal file
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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 __GNU_STAB__
#define __end _end
#endif
.data
.globl ___curbrk
___curbrk:
.long __end
.text
ENTRY (__brk)
movel __end, d0
cmpl sp@(4), d0
ble 0f
movel d0, sp@(4)
0: pea @POUND(SYS_brk)
trap POUND(0)
bcs 1f
movel sp@(4), ___curbrk
clrl d0
rts
1:
jmp syscall_error