diff options
Diffstat (limited to 'lib/libc/arch/mvme88k/sys/brk.S')
| -rw-r--r-- | lib/libc/arch/mvme88k/sys/brk.S | 71 |
1 files changed, 0 insertions, 71 deletions
diff --git a/lib/libc/arch/mvme88k/sys/brk.S b/lib/libc/arch/mvme88k/sys/brk.S deleted file mode 100644 index 306f2902a31..00000000000 --- a/lib/libc/arch/mvme88k/sys/brk.S +++ /dev/null @@ -1,71 +0,0 @@ -/*- - * Copyright (c) 1990 The Regents of the University of California. - * All rights reserved. - * - * This code is derived from software contributed to Berkeley by - * the Systems Programming Group of the University of Utah Computer - * Science Department. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#if defined(LIBC_SCCS) && !defined(lint) - .data - /*.asciz "from: @(#)brk.s 5.1 (Berkeley) 5/12/90"*/ - .asciz "$Id: brk.S,v 1.2 1997/04/23 21:28:16 rahnds Exp $" - .text -#endif /* LIBC_SCCS and not lint */ - -#include "SYS.h" - - .globl _end - .globl minbrk - .globl curbrk - - .data - .align 2 -minbrk: .long 0 - .text - -ENTRY(brk) - or.u r5,r0,hi16(minbrk) - ld r5,r5,lo16(minbrk) - cmp r3,r5,r2 - bb1 le,r3,1f /* r2 should be > minbrk; can't go below end */ - or r2,r5,0 /* otherwise, set r2 to minbrk */ -1: - or r4,r2,0 - or r13,r0,SYS_break - tb0 0,r0,128 - br cerror - or.u r5,r0,hi16(curbrk) - st r4,r5,lo16(curbrk) - or r2,r0,0 /* clear r2/r3 to indicate success */ - jmp.n r1 - or r3,r0,0 |