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author | Roland McGrath <roland@gnu.org> | 1991-06-26 20:51:19 +0000 |
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committer | Roland McGrath <roland@gnu.org> | 1991-06-26 20:51:19 +0000 |
commit | bb8b0f1730d52178978e40e636fd212f10a4c6ab (patch) | |
tree | 0cc88198bf4b91df9713db2652fc3a329d77c01d /sysdeps/unix/bsd/hp | |
parent | 53730463160efe4b5fe26465420aad17c4d5941d (diff) | |
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Initial revision
Diffstat (limited to 'sysdeps/unix/bsd/hp')
-rw-r--r-- | sysdeps/unix/bsd/hp/m68k/brk.S | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/sysdeps/unix/bsd/hp/m68k/brk.S b/sysdeps/unix/bsd/hp/m68k/brk.S new file mode 100644 index 0000000000..023b0b5b09 --- /dev/null +++ b/sysdeps/unix/bsd/hp/m68k/brk.S @@ -0,0 +1,47 @@ +/* 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 |