/* $Id: uctx.h,v 1.1 1997/06/18 16:51:58 davem Exp $ | |
* uctx.h: Sparc64 {set,get}context() register state layouts. | |
* | |
* Copyright (C) 1997 David S. Miller (davem@caip.rutgers.edu) | |
*/ | |
#ifndef __SPARC64_UCTX_H | |
#define __SPARC64_UCTX_H | |
#define MC_TSTATE 0 | |
#define MC_PC 1 | |
#define MC_NPC 2 | |
#define MC_Y 3 | |
#define MC_G1 4 | |
#define MC_G2 5 | |
#define MC_G3 6 | |
#define MC_G4 7 | |
#define MC_G5 8 | |
#define MC_G6 9 | |
#define MC_G7 10 | |
#define MC_O0 11 | |
#define MC_O1 12 | |
#define MC_O2 13 | |
#define MC_O3 14 | |
#define MC_O4 15 | |
#define MC_O5 16 | |
#define MC_O6 17 | |
#define MC_O7 18 | |
#define MC_NGREG 19 | |
typedef unsigned long mc_greg_t; | |
typedef mc_greg_t mc_gregset_t[MC_NGREG]; | |
#define MC_MAXFPQ 16 | |
struct mc_fq { | |
unsigned long *mcfq_addr; | |
unsigned int mcfq_insn; | |
}; | |
struct mc_fpu { | |
union { | |
unsigned int sregs[32]; | |
unsigned long dregs[32]; | |
long double qregs[16]; | |
} mcfpu_fregs; | |
unsigned long mcfpu_fsr; | |
unsigned long mcfpu_fprs; | |
unsigned long mcfpu_gsr; | |
struct mc_fq *mcfpu_fq; | |
unsigned char mcfpu_qcnt; | |
unsigned char mcfpu_qentsz; | |
unsigned char mcfpu_enab; | |
}; | |
typedef struct mc_fpu mc_fpu_t; | |
typedef struct { | |
mc_gregset_t mc_gregs; | |
mc_greg_t mc_fp; | |
mc_greg_t mc_i7; | |
mc_fpu_t mc_fpregs; | |
} mcontext_t; | |
struct ucontext { | |
struct ucontext *uc_link; | |
unsigned long uc_flags; | |
sigset_t uc_sigmask; | |
mcontext_t uc_mcontext; | |
}; | |
typedef struct ucontext ucontext_t; | |
#endif /* __SPARC64_UCTX_H */ |