1/* $Id: sigcontext.h,v 1.1.1.1 2008/10/15 03:27:26 james26_jang Exp $ */
2#ifndef __SPARC_SIGCONTEXT_H
3#define __SPARC_SIGCONTEXT_H
4
5#ifdef __KERNEL__
6#include <asm/ptrace.h>
7#endif
8
9#ifndef __ASSEMBLY__
10
11#define __SUNOS_MAXWIN   31
12
13/* This is what SunOS does, so shall I. */
14struct sigcontext {
15	int sigc_onstack;      /* state to restore */
16	int sigc_mask;         /* sigmask to restore */
17	int sigc_sp;           /* stack pointer */
18	int sigc_pc;           /* program counter */
19	int sigc_npc;          /* next program counter */
20	int sigc_psr;          /* for condition codes etc */
21	int sigc_g1;           /* User uses these two registers */
22	int sigc_o0;           /* within the trampoline code. */
23
24	/* Now comes information regarding the users window set
25	 * at the time of the signal.
26	 */
27	int sigc_oswins;       /* outstanding windows */
28
29	/* stack ptrs for each regwin buf */
30	char *sigc_spbuf[__SUNOS_MAXWIN];
31
32	/* Windows to restore after signal */
33	struct {
34		unsigned long	locals[8];
35		unsigned long	ins[8];
36	} sigc_wbuf[__SUNOS_MAXWIN];
37};
38
39typedef struct {
40	struct {
41		unsigned long psr;
42		unsigned long pc;
43		unsigned long npc;
44		unsigned long y;
45		unsigned long u_regs[16]; /* globals and ins */
46	}		si_regs;
47	int		si_mask;
48} __siginfo_t;
49
50typedef struct {
51	unsigned   long si_float_regs [32];
52	unsigned   long si_fsr;
53	unsigned   long si_fpqdepth;
54	struct {
55		unsigned long *insn_addr;
56		unsigned long insn;
57	} si_fpqueue [16];
58} __siginfo_fpu_t;
59
60#ifdef __KERNEL__
61
62/* This magic should be in g_upper[0] for all upper parts
63   to be valid.
64   This is generated by sparc64 only, but for 32bit processes,
65   so we define it here as well.  */
66#define SIGINFO_EXTRA_V8PLUS_MAGIC      0x130e269
67typedef struct {
68	unsigned   int g_upper[8];
69	unsigned   int o_upper[8];
70} siginfo_extra_v8plus_t;
71
72#endif
73
74#endif /* !(__ASSEMBLY__) */
75
76#endif /* !(__SPARC_SIGCONTEXT_H) */
77