1 /* Solaris/SPARC constants and definitions --
2 * (C) 1996 Miguel de Icaza
3 *
4 * This file is not meant to be included by user level applications
5 * but the solaris syscall emulator
6 */
7
8 #ifndef _SPARC_SVR4_H
9 #define _SPARC_SVR4_H
10
11 /* Signals as used by svr4 */
12 typedef struct { /* signal set type */
13 ulong sigbits[4];
14 } svr4_sigset_t;
15
16 /* Values for siginfo.code */
17 #define SVR4_SINOINFO 32767
18 /* Siginfo, sucker expects bunch of information on those parameters */
19 typedef union {
20 char total_size [128];
21 struct {
22 int signo;
23 int code;
24 int error;
25 union {
26 } data;
27 } siginfo;
28 } svr4_siginfo_t;
29
30 /* Context definition */
31
32 /* Location of the user stored registers into a greg_t */
33 enum {
34 SVR4_PSR, SVR4_PC, SVR4_NPC, SVR4_Y,
35 SVR4_G1, SVR4_G2, SVR4_G3, SVR4_G4,
36 SVR4_G5, SVR4_G6, SVR4_G7, SVR4_O0,
37 SVR4_O1, SVR4_O2, SVR4_O3, SVR4_O4,
38 SVR4_O5, SVR4_O6, SVR4_O7
39 };
40
41 /* sizeof (regs) / sizeof (greg_t), defined in the ABI */
42 #define SVR4_NREGS 19
43 #define SVR4_MAXWIN 31
44
45 typedef struct {
46 uint rwin_lo[8];
47 uint rwin_in[8];
48 } svr4_rwindow_t;
49
50 typedef struct {
51 int count;
52 int *winptr [SVR4_MAXWIN]; /* pointer to the windows */
53 svr4_rwindow_t win[SVR4_MAXWIN]; /* the windows */
54 } svr4_gwindows_t;
55
56 typedef int svr4_gregset_t[SVR4_NREGS];
57
58 typedef struct {
59 double fpu_regs[32];
60 void *fp_q;
61 unsigned fp_fsr;
62 u_char fp_nqel;
63 u_char fp_nqsize;
64 u_char inuse; /* if fpu is in use */
65 } svr4_fregset_t;
66
67 typedef struct {
68 uint id; /* if this holds "xrs" string => ptr is valid */
69 caddr_t ptr;
70 } svr4_xrs_t;
71
72 /* Machine dependent context */
73 typedef struct {
74 svr4_gregset_t greg; /* registers 0..19 (see top) */
75 svr4_gwindows_t *gwin; /* may point to register windows */
76 svr4_fregset_t freg; /* floating point registers */
77 svr4_xrs_t xrs; /* mhm? */
78 long pad[19];
79 } svr4_mcontext_t;
80
81 /* flags for stack_t.flags */
82 enum svr4_stack_flags {
83 SVR4_SS_ONSTACK,
84 SVR4_SS_DISABLE,
85 };
86
87 /* signal stack exection place, unsupported */
88 typedef struct svr4_stack_t {
89 char *sp;
90 int size;
91 int flags;
92 } svr4_stack_t;
93
94 /* Context used by getcontext and setcontext */
95 typedef struct svr4_ucontext_t {
96 u_long flags; /* context flags, indicate what is loaded */
97 struct svr4_ucontext *link;
98 svr4_sigset_t sigmask;
99 svr4_stack_t stack;
100 svr4_mcontext_t mcontext;
101 long pad[23];
102 } svr4_ucontext_t;
103
104 /* windows hold the windows as they were at signal time,
105 * ucontext->mcontext holds a pointer to them.
106 * addresses for uc and si are passed as parameters to svr4 signal
107 * handler
108 */
109
110 /* This is the signal frame that is passed to the signal handler */
111 typedef struct {
112 svr4_gwindows_t gw; /* windows */
113 svr4_ucontext_t uc; /* machine context */
114 svr4_siginfo_t si; /* siginfo */
115 } svr4_signal_frame_t;
116
117 #define SVR4_SF_ALIGNED (((sizeof (svr4_signal_frame_t) + 7) & (~7)))
118
119 #endif /* include control */
120
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