svr4.h
上传用户:jlfgdled
上传日期:2013-04-10
资源大小:33168k
文件大小:3k
- /* 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 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 {
- 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 */