golden hour

/usr/include/asm

File/Folder	Size	Actions
a.out.h	693 B
auxvec.h	483 B
bitsperlong.h	229 B
boot.h	260 B
bootparam.h	4.39 KB
byteorder.h	137 B
debugreg.h	3.15 KB
e820.h	2.63 KB
errno.h	31 B
fcntl.h	31 B
hw_breakpoint.h	6 B
hyperv.h	13.32 KB
ioctl.h	31 B
ioctls.h	32 B
ipcbuf.h	32 B
ist.h	790 B
kvm.h	6.76 KB
kvm_para.h	2.77 KB
kvm_perf.h	325 B
ldt.h	963 B
mce.h	1.18 KB
mman.h	1.01 KB
msgbuf.h	32 B
msr-index.h	28.24 KB
msr.h	283 B
mtrr.h	4.06 KB
param.h	31 B
perf_regs.h	654 B
poll.h	30 B
posix_types.h	161 B
posix_types_32.h	702 B
posix_types_64.h	546 B
posix_types_x32.h	518 B
prctl.h	345 B
processor-flags.h	6.1 KB
ptrace-abi.h	1.76 KB
ptrace.h	1.17 KB
resource.h	34 B
sembuf.h	699 B
setup.h	6 B
shmbuf.h	32 B
sigcontext.h	5.11 KB
sigcontext32.h	1.64 KB
siginfo.h	431 B
signal.h	2.77 KB
socket.h	32 B
sockios.h	33 B
stat.h	2.89 KB
statfs.h	353 B
svm.h	5.09 KB
swab.h	661 B
termbits.h	34 B
termios.h	33 B
types.h	113 B
ucontext.h	339 B
unistd.h	296 B
unistd_32.h	9.4 KB
unistd_64.h	8.62 KB
unistd_x32.h	14.98 KB
vm86.h	2.98 KB
vmx.h	6.53 KB
vsyscall.h	375 B

Edit: sigcontext32.h

#ifndef _ASM_X86_SIGCONTEXT32_H
#define _ASM_X86_SIGCONTEXT32_H

#include <linux/types.h>

/* signal context for 32bit programs. */

#define X86_FXSR_MAGIC		0x0000

struct _fpreg {
	unsigned short significand[4];
	unsigned short exponent;
};

struct _fpxreg {
	unsigned short significand[4];
	unsigned short exponent;
	unsigned short padding[3];
};

struct _xmmreg {
	__u32	element[4];
};

/* FSAVE frame with extensions */
struct _fpstate_ia32 {
	/* Regular FPU environment */
	__u32 	cw;
	__u32	sw;
	__u32	tag;	/* not compatible to 64bit twd */
	__u32	ipoff;
	__u32	cssel;
	__u32	dataoff;
	__u32	datasel;
	struct _fpreg	_st[8];
	unsigned short	status;
	unsigned short	magic;		/* 0xffff = regular FPU data only */

/* FXSR FPU environment */
	__u32	_fxsr_env[6];
	__u32	mxcsr;
	__u32	reserved;
	struct _fpxreg	_fxsr_st[8];
	struct _xmmreg	_xmm[8];	/* It's actually 16 */
	__u32	padding[44];
	union {
		__u32 padding2[12];
		struct _fpx_sw_bytes sw_reserved;
	};
};

struct sigcontext_ia32 {
       unsigned short gs, __gsh;
       unsigned short fs, __fsh;
       unsigned short es, __esh;
       unsigned short ds, __dsh;
       unsigned int di;
       unsigned int si;
       unsigned int bp;
       unsigned int sp;
       unsigned int bx;
       unsigned int dx;
       unsigned int cx;
       unsigned int ax;
       unsigned int trapno;
       unsigned int err;
       unsigned int ip;
       unsigned short cs, __csh;
       unsigned int flags;
       unsigned int sp_at_signal;
       unsigned short ss, __ssh;
       unsigned int fpstate;		/* really (struct _fpstate_ia32 *) */
       unsigned int oldmask;
       unsigned int cr2;
};

#endif /* _ASM_X86_SIGCONTEXT32_H */