[deliverable/linux.git] / include / asm-sparc64 / svr4.h

/* 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 _SPARC64_SVR4_H
#define _SPARC64_SVR4_H

/* Signals as used by svr4 */
typedef struct {                /* signal set type */
	uint 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 {
	u32 rwin_lo[8];
	u32 rwin_in[8];
} svr4_rwindow_t;

typedef struct {
	int            count;
	u32            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 {
	u64   	 fpu_regs[32];
	u32	 fp_q;
	u32      fp_fsr;
	u_char   fp_nqel;
	u_char   fp_nqsize;
	u_char   inuse;		/* if fpu is in use */
} svr4_fregset_t;

typedef struct {
	u32    id;		/* if this holds "xrs" string => ptr is valid */
	u32    ptr;
} svr4_xrs_t;

/* Machine dependent context */
typedef struct {
	svr4_gregset_t   greg;	/* registers 0..19 (see top) */
	u32		 gwin;	/* may point to register windows */
	svr4_fregset_t   freg;	/* floating point registers */
	svr4_xrs_t       xrs;	/* mhm? */
	int              pad[19];
} svr4_mcontext_t;

/* flags for stack_t.flags */
enum svr4_stack_flags {
	SVR4_SS_ONSTACK,
	SVR4_SS_DISABLE,
};

/* signal stack execution place, unsupported */
typedef struct svr4_stack_t {
        u32  sp;
        int  size;
        int  flags;
} svr4_stack_t;

/* Context used by getcontext and setcontext */
typedef struct svr4_ucontext_t {
	u32		flags; /* context flags, indicate what is loaded */
	u32		link;
	svr4_sigset_t	sigmask;
	svr4_stack_t	stack;
	svr4_mcontext_t	mcontext;
	int		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 */
Commit	Line	Data
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 _SPARC64_SVR4_H
	9	#define _SPARC64_SVR4_H
	10
	11	/* Signals as used by svr4 */
	12	typedef struct { /* signal set type */
	13	uint 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	u32 rwin_lo[8];
	47	u32 rwin_in[8];
	48	} svr4_rwindow_t;
	49
	50	typedef struct {
	51	int count;
	52	u32 winptr [SVR4_MAXWIN]; /* pointer to the windows */
	53
	54	svr4_rwindow_t win[SVR4_MAXWIN]; /* the windows */
	55	} svr4_gwindows_t;
	56
	57	typedef int svr4_gregset_t[SVR4_NREGS];
	58
	59	typedef struct {
	60	u64 fpu_regs[32];
	61	u32 fp_q;
	62	u32 fp_fsr;
	63	u_char fp_nqel;
	64	u_char fp_nqsize;
65	u_char inuse; /* if fpu is in use */
66	} svr4_fregset_t;
67
68	typedef struct {
69	u32 id; /* if this holds "xrs" string => ptr is valid */
70	u32 ptr;
71	} svr4_xrs_t;
72
73	/* Machine dependent context */
74	typedef struct {
75	svr4_gregset_t greg; /* registers 0..19 (see top) */
76	u32 gwin; /* may point to register windows */
77	svr4_fregset_t freg; /* floating point registers */
78	svr4_xrs_t xrs; /* mhm? */
79	int pad[19];
80	} svr4_mcontext_t;
81
82	/* flags for stack_t.flags */
83	enum svr4_stack_flags {
84	SVR4_SS_ONSTACK,
85	SVR4_SS_DISABLE,
86	};
87
88	/* signal stack execution place, unsupported */
89	typedef struct svr4_stack_t {
90	u32 sp;
91	int size;
92	int flags;
93	} svr4_stack_t;
94
95	/* Context used by getcontext and setcontext */
96	typedef struct svr4_ucontext_t {
97	u32 flags; /* context flags, indicate what is loaded */
98	u32 link;
99	svr4_sigset_t sigmask;
100	svr4_stack_t stack;
101	svr4_mcontext_t mcontext;
102	int pad[23];
103	} svr4_ucontext_t;
104
105	/* windows hold the windows as they were at signal time,
106	* ucontext->mcontext holds a pointer to them.
107	* addresses for uc and si are passed as parameters to svr4 signal
108	* handler
109	*/
110
111	/* This is the signal frame that is passed to the signal handler */
112	typedef struct {
113	svr4_gwindows_t gw; /* windows */
114	svr4_ucontext_t uc; /* machine context */
115	svr4_siginfo_t si; /* siginfo */
116	} svr4_signal_frame_t;
117
118	#define SVR4_SF_ALIGNED (((sizeof (svr4_signal_frame_t) + 7) & (~7)))
119
120	#endif /* include control */