1 /* $Id: sigcontext.h,v 1.12 1999/09/06 08:22:09 jj Exp $ */
2 #ifndef __SPARC64_SIGCONTEXT_H
3 #define __SPARC64_SIGCONTEXT_H
4
5 #ifdef __KERNEL__
6 #include <asm/ptrace.h>
7 #endif
8
9 #ifndef __ASSEMBLY__
10
11 #ifdef __KERNEL__
12
13 #define __SUNOS_MAXWIN 31
14
15 /* This is what SunOS does, so shall I unless we use new 32bit signals or rt signals. */
16 struct sigcontext32 {
17 int sigc_onstack; /* state to restore */
18 int sigc_mask; /* sigmask to restore */
19 int sigc_sp; /* stack pointer */
20 int sigc_pc; /* program counter */
21 int sigc_npc; /* next program counter */
22 int sigc_psr; /* for condition codes etc */
23 int sigc_g1; /* User uses these two registers */
24 int sigc_o0; /* within the trampoline code. */
25
26 /* Now comes information regarding the users window set
27 * at the time of the signal.
28 */
29 int sigc_oswins; /* outstanding windows */
30
31 /* stack ptrs for each regwin buf */
32 unsigned sigc_spbuf[__SUNOS_MAXWIN];
33
34 /* Windows to restore after signal */
35 struct reg_window32 sigc_wbuf[__SUNOS_MAXWIN];
36 };
37
38 #endif
39
40 #ifdef __KERNEL__
41
42 /* This is what we use for 32bit new non-rt signals. */
43
44 typedef struct {
45 struct {
46 unsigned int psr;
47 unsigned int pc;
48 unsigned int npc;
49 unsigned int y;
50 unsigned int u_regs[16]; /* globals and ins */
51 } si_regs;
52 int si_mask;
53 } __siginfo32_t;
54
55 #endif
56
57 typedef struct {
58 unsigned int si_float_regs [64];
59 unsigned long si_fsr;
60 unsigned long si_gsr;
61 unsigned long si_fprs;
62 } __siginfo_fpu_t;
63
64 /* This is what SunOS doesn't, so we have to write this alone
65 and do it properly. */
66 struct sigcontext {
67 /* The size of this array has to match SI_MAX_SIZE from siginfo.h */
68 char sigc_info[128];
69 struct {
70 unsigned long u_regs[16]; /* globals and ins */
71 unsigned long tstate;
72 unsigned long tpc;
73 unsigned long tnpc;
74 unsigned int y;
75 unsigned int fprs;
76 } sigc_regs;
77 __siginfo_fpu_t * sigc_fpu_save;
78 struct {
79 void * ss_sp;
80 int ss_flags;
81 unsigned long ss_size;
82 } sigc_stack;
83 unsigned long sigc_mask;
84 };
85
86 #ifdef __KERNEL__
87
88 /* This magic should be in g_upper[0] for all upper parts
89 to be valid. */
90 #define SIGINFO_EXTRA_V8PLUS_MAGIC 0x130e269
91 typedef struct {
92 unsigned int g_upper[8];
93 unsigned int o_upper[8];
94 } siginfo_extra_v8plus_t;
95
96 #endif
97
98 #endif /* !(__ASSEMBLY__) */
99
100 #endif /* !(__SPARC64_SIGCONTEXT_H) */
101
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