source: mainline/arch/sparc64/include/stack.h@ 74813216

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since 74813216 was ee69c49, checked in by Jakub Jermar <jakub@…>, 20 years ago

sparc64 work.
Add stack.h.

  • Property mode set to 100644
File size: 1.9 KB
RevLine 
[ee69c49]1/*
2 * Copyright (C) 2005 Jakub Jermar
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * - Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * - Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * - The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#ifndef __sparc64_STACK_H__
30#define __sparc64_STACK_H__
31
32#define STACK_ITEM_SIZE 8
33
34/** According to SPARC Compliance Definition, every stack frame is 16-byte aligned. */
35#define STACK_ALIGNMENT 16
36
37/**
38 * 16-extended-word save area for %i[0-7] and %l[0-7] registers.
39 */
40#define STACK_WINDOW_SAVE_AREA_SIZE (16*STACK_ITEM_SIZE)
41
42/**
43 * By convention, the actual top of the stack is %sp + STACK_BIAS.
44 */
45#define STACK_BIAS 2047
46
47#endif
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