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1/* $Id: sigcontext.h,v 1.14 1999/09/06 08:22:05 jj Exp $ */
2#ifndef __SPARC_SIGCONTEXT_H
3#define __SPARC_SIGCONTEXT_H
4
5#ifdef __KERNEL__
6#include <asm/ptrace.h>
7
8#ifndef __ASSEMBLY__
9
10#define __SUNOS_MAXWIN 31
11
12/* This is what SunOS does, so shall I. */
13struct sigcontext {
14 int sigc_onstack; /* state to restore */
15 int sigc_mask; /* sigmask to restore */
16 int sigc_sp; /* stack pointer */
17 int sigc_pc; /* program counter */
18 int sigc_npc; /* next program counter */
19 int sigc_psr; /* for condition codes etc */
20 int sigc_g1; /* User uses these two registers */
21 int sigc_o0; /* within the trampoline code. */
22
23 /* Now comes information regarding the users window set
24 * at the time of the signal.
25 */
26 int sigc_oswins; /* outstanding windows */
27
28 /* stack ptrs for each regwin buf */
29 char *sigc_spbuf[__SUNOS_MAXWIN];
30
31 /* Windows to restore after signal */
32 struct {
33 unsigned long locals[8];
34 unsigned long ins[8];
35 } sigc_wbuf[__SUNOS_MAXWIN];
36};
37
38typedef struct {
39 struct {
40 unsigned long psr;
41 unsigned long pc;
42 unsigned long npc;
43 unsigned long y;
44 unsigned long u_regs[16]; /* globals and ins */
45 } si_regs;
46 int si_mask;
47} __siginfo_t;
48
49typedef struct {
50 unsigned long si_float_regs [32];
51 unsigned long si_fsr;
52 unsigned long si_fpqdepth;
53 struct {
54 unsigned long *insn_addr;
55 unsigned long insn;
56 } si_fpqueue [16];
57} __siginfo_fpu_t;
58
59#endif /* !(__ASSEMBLY__) */
60
61#endif /* (__KERNEL__) */
62
63#endif /* !(__SPARC_SIGCONTEXT_H) */