120 lines
2.9 KiB
C
120 lines
2.9 KiB
C
/* Solaris/SPARC constants and definitions --
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* (C) 1996 Miguel de Icaza
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*
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* This file is not meant to be included by user level applications
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* but the solaris syscall emulator
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*/
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#ifndef _SPARC_SVR4_H
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#define _SPARC_SVR4_H
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/* Signals as used by svr4 */
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typedef struct { /* signal set type */
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ulong sigbits[4];
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} svr4_sigset_t;
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/* Values for siginfo.code */
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#define SVR4_SINOINFO 32767
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/* Siginfo, sucker expects bunch of information on those parameters */
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typedef union {
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char total_size [128];
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struct {
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int signo;
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int code;
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int error;
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union {
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} data;
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} siginfo;
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} svr4_siginfo_t;
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/* Context definition */
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/* Location of the user stored registers into a greg_t */
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enum {
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SVR4_PSR, SVR4_PC, SVR4_NPC, SVR4_Y,
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SVR4_G1, SVR4_G2, SVR4_G3, SVR4_G4,
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SVR4_G5, SVR4_G6, SVR4_G7, SVR4_O0,
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SVR4_O1, SVR4_O2, SVR4_O3, SVR4_O4,
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SVR4_O5, SVR4_O6, SVR4_O7
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};
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/* sizeof (regs) / sizeof (greg_t), defined in the ABI */
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#define SVR4_NREGS 19
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#define SVR4_MAXWIN 31
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typedef struct {
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uint rwin_lo[8];
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uint rwin_in[8];
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} svr4_rwindow_t;
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typedef struct {
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int count;
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int __user *winptr [SVR4_MAXWIN]; /* pointer to the windows */
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svr4_rwindow_t win[SVR4_MAXWIN]; /* the windows */
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} svr4_gwindows_t;
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typedef int svr4_gregset_t[SVR4_NREGS];
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typedef struct {
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double fpu_regs[32];
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void *fp_q;
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unsigned fp_fsr;
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u_char fp_nqel;
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u_char fp_nqsize;
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u_char inuse; /* if fpu is in use */
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} svr4_fregset_t;
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typedef struct {
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uint id; /* if this holds "xrs" string => ptr is valid */
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caddr_t ptr;
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} svr4_xrs_t;
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/* Machine dependent context */
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typedef struct {
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svr4_gregset_t greg; /* registers 0..19 (see top) */
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svr4_gwindows_t __user *gwin; /* may point to register windows */
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svr4_fregset_t freg; /* floating point registers */
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svr4_xrs_t xrs; /* mhm? */
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long pad[19];
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} svr4_mcontext_t;
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/* flags for stack_t.flags */
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enum svr4_stack_flags {
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SVR4_SS_ONSTACK,
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SVR4_SS_DISABLE,
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};
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/* signal stack exection place, unsupported */
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typedef struct svr4_stack_t {
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char __user *sp;
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int size;
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int flags;
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} svr4_stack_t;
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/* Context used by getcontext and setcontext */
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typedef struct svr4_ucontext_t {
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u_long flags; /* context flags, indicate what is loaded */
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struct svr4_ucontext *link;
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svr4_sigset_t sigmask;
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svr4_stack_t stack;
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svr4_mcontext_t mcontext;
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long pad[23];
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} svr4_ucontext_t;
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/* windows hold the windows as they were at signal time,
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* ucontext->mcontext holds a pointer to them.
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* addresses for uc and si are passed as parameters to svr4 signal
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* handler
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*/
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/* This is the signal frame that is passed to the signal handler */
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typedef struct {
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svr4_gwindows_t gw; /* windows */
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svr4_ucontext_t uc; /* machine context */
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svr4_siginfo_t si; /* siginfo */
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} svr4_signal_frame_t;
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#define SVR4_SF_ALIGNED (((sizeof (svr4_signal_frame_t) + 7) & (~7)))
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#endif /* include control */
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