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 #endif
8
9 #ifndef __ASSEMBLY__
10
11 #define __SUNOS_MAXWIN 31
12
13 /* This is what SunOS does, so shall I. */
14 struct 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
39 typedef 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
50 typedef 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
67 typedef 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
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