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/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
* 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 */