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