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/usr/src/linux-headers-5.15.0-181/arch/sparc/include/uapi/asm/

/usr/src/linux-headers-5.15.0-181/arch/sparc/include/uapi/asm

Name	Size	Mode	Actions
apc.h	1745	0644	edit dl rm
asi.h	15367	0644	edit dl rm
auxvec.h	348	0644	edit dl rm
bitsperlong.h	324	0644	edit dl rm
byteorder.h	191	0644	edit dl rm
display7seg.h	1945	0644	edit dl rm
envctrl.h	3494	0644	edit dl rm
errno.h	5539	0644	edit dl rm
fbio.h	7904	0644	edit dl rm
fcntl.h	1790	0644	edit dl rm
ioctl.h	2646	0644	edit dl rm
ioctls.h	6133	0644	edit dl rm
ipcbuf.h	808	0644	edit dl rm
Kbuild	89	0644	edit dl rm
mman.h	1008	0644	edit dl rm
msgbuf.h	1218	0644	edit dl rm
openpromio.h	2166	0644	edit dl rm
oradax.h	2013	0644	edit dl rm
param.h	253	0644	edit dl rm
perfctr.h	5695	0644	edit dl rm
poll.h	273	0644	edit dl rm
posix_types.h	1768	0644	edit dl rm
psr.h	2267	0644	edit dl rm
psrcompat.h	2070	0644	edit dl rm
pstate.h	6427	0644	edit dl rm
ptrace.h	8222	0644	edit dl rm
resource.h	770	0644	edit dl rm
sembuf.h	896	0644	edit dl rm
setup.h	310	0644	edit dl rm
shmbuf.h	1383	0644	edit dl rm
sigcontext.h	167	0644	edit dl rm
siginfo.h	390	0644	edit dl rm
signal.h	4703	0644	edit dl rm
socket.h	3872	0644	edit dl rm
stat.h	2005	0644	edit dl rm
swab.h	1034	0644	edit dl rm
termbits.h	6761	0644	edit dl rm
termios.h	1071	0644	edit dl rm
traps.h	5271	0644	edit dl rm
uctx.h	1420	0644	edit dl rm
unistd.h	904	0644	edit dl rm
utrap.h	1541	0644	edit dl rm
watchdog.h	1029	0644	edit dl rm

Edit: /usr/src/linux-headers-5.15.0-181/arch/sparc/include/uapi/asm/uctx.h (1420B)

/* 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 */

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