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