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Linux kernel mirror (for testing)
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linux
1#ifndef __SPARC_SIGCONTEXT_H
2#define __SPARC_SIGCONTEXT_H
3
4#ifdef __KERNEL__
5#include <asm/ptrace.h>
6
7#ifndef __ASSEMBLY__
8
9#define __SUNOS_MAXWIN 31
10
11/* This is what SunOS does, so shall I unless we use new 32bit signals or rt signals. */
12struct sigcontext32 {
13 int sigc_onstack; /* state to restore */
14 int sigc_mask; /* sigmask to restore */
15 int sigc_sp; /* stack pointer */
16 int sigc_pc; /* program counter */
17 int sigc_npc; /* next program counter */
18 int sigc_psr; /* for condition codes etc */
19 int sigc_g1; /* User uses these two registers */
20 int sigc_o0; /* within the trampoline code. */
21
22 /* Now comes information regarding the users window set
23 * at the time of the signal.
24 */
25 int sigc_oswins; /* outstanding windows */
26
27 /* stack ptrs for each regwin buf */
28 unsigned sigc_spbuf[__SUNOS_MAXWIN];
29
30 /* Windows to restore after signal */
31 struct reg_window32 sigc_wbuf[__SUNOS_MAXWIN];
32};
33
34
35/* This is what we use for 32bit new non-rt signals. */
36
37typedef struct {
38 struct {
39 unsigned int psr;
40 unsigned int pc;
41 unsigned int npc;
42 unsigned int y;
43 unsigned int u_regs[16]; /* globals and ins */
44 } si_regs;
45 int si_mask;
46} __siginfo32_t;
47
48#ifdef CONFIG_SPARC64
49typedef struct {
50 unsigned int si_float_regs [64];
51 unsigned long si_fsr;
52 unsigned long si_gsr;
53 unsigned long si_fprs;
54} __siginfo_fpu_t;
55
56/* This is what SunOS doesn't, so we have to write this alone
57 and do it properly. */
58struct sigcontext {
59 /* The size of this array has to match SI_MAX_SIZE from siginfo.h */
60 char sigc_info[128];
61 struct {
62 unsigned long u_regs[16]; /* globals and ins */
63 unsigned long tstate;
64 unsigned long tpc;
65 unsigned long tnpc;
66 unsigned int y;
67 unsigned int fprs;
68 } sigc_regs;
69 __siginfo_fpu_t * sigc_fpu_save;
70 struct {
71 void * ss_sp;
72 int ss_flags;
73 unsigned long ss_size;
74 } sigc_stack;
75 unsigned long sigc_mask;
76};
77
78#else
79
80typedef struct {
81 unsigned long si_float_regs [32];
82 unsigned long si_fsr;
83 unsigned long si_fpqdepth;
84 struct {
85 unsigned long *insn_addr;
86 unsigned long insn;
87 } si_fpqueue [16];
88} __siginfo_fpu_t;
89#endif /* (CONFIG_SPARC64) */
90
91
92#endif /* !(__ASSEMBLY__) */
93
94#endif /* (__KERNEL__) */
95
96#endif /* !(__SPARC_SIGCONTEXT_H) */