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1da177e4 LT |
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 __user *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 __user *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 __user *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 */ |