diff options
Diffstat (limited to 'lib/libc/arch/arm/gen/alloca.S')
| -rw-r--r-- | lib/libc/arch/arm/gen/alloca.S | 45 |
1 files changed, 0 insertions, 45 deletions
diff --git a/lib/libc/arch/arm/gen/alloca.S b/lib/libc/arch/arm/gen/alloca.S deleted file mode 100644 index 93bbeed50e5..00000000000 --- a/lib/libc/arch/arm/gen/alloca.S +++ /dev/null @@ -1,45 +0,0 @@ -/* $OpenBSD: alloca.S,v 1.2 2004/02/01 05:40:52 drahn Exp $ */ -/* $NetBSD: alloca.S,v 1.3 2003/04/05 23:08:51 bjh21 Exp $ */ - -/* - * Copyright (c) 1995 Mark Brinicombe - * All rights reserved. - * - * 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 Mark Brinicombe - * 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 AUTHOR 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 AUTHOR 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. - */ - -/* like alloc, but automatic automatic free in return */ - -#include <machine/asm.h> - -ENTRY(alloca) - add r0, r0, #0x00000007 /* round up to next 8 byte alignment */ - bic r0, r0, #0x00000007 - sub sp, sp, r0 /* Adjust the stack pointer */ - mov r0, sp /* r0 = base of new space */ - mov r15, r14 /* return */ |