Annotation of sys/arch/powerpc/include/frame.h, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: frame.h,v 1.7 2006/01/06 18:53:05 millert Exp $ */
2:
3: /*
4: * Copyright (C) 1995, 1996 Wolfgang Solfrank.
5: * Copyright (C) 1995, 1996 TooLs GmbH.
6: * All rights reserved.
7: *
8: * Redistribution and use in source and binary forms, with or without
9: * modification, are permitted provided that the following conditions
10: * are met:
11: * 1. Redistributions of source code must retain the above copyright
12: * notice, this list of conditions and the following disclaimer.
13: * 2. Redistributions in binary form must reproduce the above copyright
14: * notice, this list of conditions and the following disclaimer in the
15: * documentation and/or other materials provided with the distribution.
16: * 3. All advertising materials mentioning features or use of this software
17: * must display the following acknowledgement:
18: * This product includes software developed by TooLs GmbH.
19: * 4. The name of TooLs GmbH may not be used to endorse or promote products
20: * derived from this software without specific prior written permission.
21: *
22: * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
23: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
24: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
25: * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
26: * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
27: * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
28: * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
29: * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
30: * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
31: * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32: */
33: #ifndef _POWERPC_FRAME_H_
34: #define _POWERPC_FRAME_H_
35:
36: /*
37: * This is to ensure alignment of the stackpointer
38: */
39: #define FRAMELEN roundup(sizeof(struct trapframe) + 8, 16)
40: #define trapframe(p) ((struct trapframe *)((void *)(p)->p_addr + USPACE - FRAMELEN + 8))
41:
42: struct switchframe {
43: register_t sp;
44: int fill;
45: int user_sr;
46: int cr;
47: register_t fixreg2;
48: register_t fixreg[19]; /* R13-R31 */
49: };
50:
51: struct clockframe {
52: register_t srr1;
53: register_t srr0;
54: int pri;
55: int depth;
56: };
57:
58: /*
59: * Call frame for PowerPC used during fork.
60: */
61: struct callframe {
62: register_t sp;
63: register_t lr;
64: register_t r30;
65: register_t r31;
66: };
67:
68: struct sigframe {
69: int sf_signum;
70: siginfo_t *sf_sip;
71: struct sigcontext sf_sc;
72: siginfo_t sf_si;
73: };
74:
75: struct fpsig {
76: double f[14]; /* f0 - f13 are volatile */
77: double fpscr;
78: };
79: #endif /* _POWERPC_FRAME_H_ */
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