From bb8b0f1730d52178978e40e636fd212f10a4c6ab Mon Sep 17 00:00:00 2001 From: Roland McGrath Date: Wed, 26 Jun 1991 20:51:19 +0000 Subject: [PATCH] Initial revision --- sysdeps/unix/bsd/hp/m68k/brk.S | 47 +++++++++++++++++++++++++++++++++ sysdeps/unix/bsd/sun/m68k/brk.S | 47 +++++++++++++++++++++++++++++++++ 2 files changed, 94 insertions(+) create mode 100644 sysdeps/unix/bsd/hp/m68k/brk.S create mode 100644 sysdeps/unix/bsd/sun/m68k/brk.S 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 + +#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 diff --git a/sysdeps/unix/bsd/sun/m68k/brk.S b/sysdeps/unix/bsd/sun/m68k/brk.S new file mode 100644 index 0000000000..6e0c2f27ee --- /dev/null +++ b/sysdeps/unix/bsd/sun/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 + +#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