File: /usr/src/linux/include/asm-sparc/sigcontext.h

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