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 */ 12typedef 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 */ 19typedef 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 */ 33enum { 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 45typedef struct { 46 uint rwin_lo[8]; 47 uint rwin_in[8]; 48} svr4_rwindow_t; 49 50typedef 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 56typedef int svr4_gregset_t[SVR4_NREGS]; 57 58typedef 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 67typedef 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 */ 73typedef 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 */ 82enum svr4_stack_flags { 83 SVR4_SS_ONSTACK, 84 SVR4_SS_DISABLE, 85}; 86 87/* signal stack exection place, unsupported */ 88typedef 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 */ 95typedef 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 */ 111typedef 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