BPX_O_WRONLY   = 0x01
	BPX_O_ACCMODE  = 0x03
	BPX_O_GETFL    = 0x0f

	//mode
	// byte1 (file type)
	BPX_FT_DIR      = 1
	BPX_FT_CHARSPEC = 2
	BPX_FT_REGFILE  = 3
	BPX_FT_FIFO     = 4
	BPX_FT_SYMLINK  = 5
	BPX_FT_SOCKET   = 6
	//byte3
	BPX_S_ISUID  = 0x08
	BPX_S_ISGID  = 0x04
	BPX_S_ISVTX  = 0x02
	BPX_S_IRWXU1 = 0x01
	BPX_S_IRUSR  = 0x01
	//byte4
	BPX_S_IRWXU2 = 0xc0
	BPX_S_IWUSR  = 0x80

const openatTrap uintptr = syscall.SYS_OPENAT
const fstatatTrap uintptr = syscall.SYS_FSTATAT

const (
	AT_EACCESS          = 0x1
	AT_FDCWD            = -0x64
	AT_REMOVEDIR        = 0x08
	AT_SYMLINK_NOFOLLOW = 0x02

	UTIME_OMIT = -0x1

	0xf0, 0xdd, 0x6f, 0x01, 0x1f, 0xec, 0xaf, 0xfa, 0x49, 0x6f, 0x0a, 0x8f, 0x60, 0x6b, 0xe5, 0x8f,
	0x56, 0x1b, 0xd4, 0xb8, 0xda, 0xa0, 0xc6, 0xf5, 0x06, 0x35, 0xbe, 0xe6, 0x08, 0xac, 0x72, 0x04,
	0xae, 0x72, 0x04, 0xae, 0x73, 0x04, 0x7e, 0xe4, 0x08, 0x7c, 0xfb, 0x89, 0x1a, 0x1f, 0xd1, 0xdd,
	0xaf, 0xf4, 0x4f, 0x00, 0x00, 0x00, 0xff, 0xff, 0x8e, 0xfe, 0x45, 0x7e, 0xc6, 0x03, 0x00, 0x00,
}

	0x55, 0x08, 0xa9, 0x71, 0xb1, 0x65, 0xe6, 0x95, 0x84, 0x25, 0xe6, 0x48, 0x30, 0x29, 0x30, 0x6a,
	0xb0, 0x3a, 0xf1, 0x41, 0xd5, 0xb2, 0x79, 0x82, 0x45, 0x83, 0xa0, 0xb2, 0x20, 0x75, 0xc5, 0x25,
	0x45, 0x20, 0x75, 0xcc, 0x0a, 0x8c, 0x1a, 0x9c, 0x08, 0x75, 0xc1, 0x60, 0xd1, 0x20, 0xa8, 0xac,
	0x15, 0xc7, 0x8c, 0x05, 0xf2, 0x0c, 0x0d, 0x77, 0x14, 0x18, 0x9c, 0x3c, 0x4f, 0x3c, 0x94, 0x63,

	0x00, 0x04, 0x13, 0x39, 0x01, 0xdd, 0x57, 0x98,
	0x21, 0x18, 0x81, 0x08, 0x00, 0x01, 0x40, 0x82,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	0x01, 0x40, 0x00, 0x44, 0x00, 0x00, 0x80, 0xea,
	0xa9, 0x39, 0x00, 0x02, 0x00, 0x00, 0x00, 0x04,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00,
	// Entry 1C0 - 1FF
	0x00, 0x03, 0x28, 0x05, 0x00, 0x00, 0x00, 0x00,

	0x67, 0x74, 0x68, 0x22, 0x9d, 0x01, 0x0a, 0x0b, 0x53, 0x74, 0x72, 0x69, 0x6e, 0x67, 0x4d, 0x61,
	0x74, 0x63, 0x68, 0x12, 0x16, 0x0a, 0x05, 0x65, 0x78, 0x61, 0x63, 0x74, 0x18, 0x01, 0x20, 0x01,
	0x28, 0x09, 0x48, 0x00, 0x52, 0x05, 0x65, 0x78, 0x61, 0x63, 0x74, 0x12, 0x18, 0x0a, 0x06, 0x70,
	0x72, 0x65, 0x66, 0x69, 0x78, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x48, 0x00, 0x52, 0x06, 0x70,

	crypto.SHA384:    {0x30, 0x41, 0x30, 0x0d, 0x06, 0x09, 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x02, 0x05, 0x00, 0x04, 0x30},
	crypto.SHA512:    {0x30, 0x51, 0x30, 0x0d, 0x06, 0x09, 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x03, 0x05, 0x00, 0x04, 0x40},
	crypto.MD5SHA1:   {}, // A special TLS case which doesn't use an ASN1 prefix.

	0x42, 0xD7, 0xA2, 0x42, 0xD7, 0xA8, 0x42, 0xD7,
	0xAA, 0x42, 0xD8, 0xA1, 0x42, 0xD8, 0xA7, 0x42,
	// Bytes 240 - 27f
	0xD8, 0xA8, 0x42, 0xD8, 0xA9, 0x42, 0xD8, 0xAA,
	0x42, 0xD8, 0xAB, 0x42, 0xD8, 0xAC, 0x42, 0xD8,
	0xAD, 0x42, 0xD8, 0xAE, 0x42, 0xD8, 0xAF, 0x42,
	0xD8, 0xB0, 0x42, 0xD8, 0xB1, 0x42, 0xD8, 0xB2,
	0x42, 0xD8, 0xB3, 0x42, 0xD8, 0xB4, 0x42, 0xD8,
	0xB5, 0x42, 0xD8, 0xB6, 0x42, 0xD8, 0xB7, 0x42,

	0xcd, 0x3b, 0xce, 0x1f, 0xea, 0x95, 0x5e, 0xe8, 0xaf, 0x42, 0xaf, 0xe3, 0xce, 0x26, 0x90, 0x64,
	0xe0, 0x0d, 0x16, 0x3c, 0x3b, 0xf7, 0xa6, 0x31, 0x11, 0x0b, 0x4e, 0x78, 0x0c, 0xd9, 0xd0, 0x4b,
	0x4f, 0x43, 0x05, 0x08, 0x2f, 0x02, 0xc9, 0xae, 0x62, 0x79, 0xd7, 0xb1, 0xb2, 0x3c, 0x96, 0x3c,
	0x82, 0x05, 0xc2, 0xa7, 0xcb, 0x08, 0x22, 0x38, 0x81, 0x88, 0xcd, 0xf3, 0xdc, 0x3f, 0x57, 0xd0,

	0x42, 0xD7, 0xA8, 0x42, 0xD7, 0xAA, 0x42, 0xD8,
	0xA1, 0x42, 0xD8, 0xA7, 0x42, 0xD8, 0xA8, 0x42,
	// Bytes 240 - 27f
	0xD8, 0xA9, 0x42, 0xD8, 0xAA, 0x42, 0xD8, 0xAB,
	0x42, 0xD8, 0xAC, 0x42, 0xD8, 0xAD, 0x42, 0xD8,
	0xAE, 0x42, 0xD8, 0xAF, 0x42, 0xD8, 0xB0, 0x42,
	0xD8, 0xB1, 0x42, 0xD8, 0xB2, 0x42, 0xD8, 0xB3,
	0x42, 0xD8, 0xB4, 0x42, 0xD8, 0xB5, 0x42, 0xD8,
	0xB6, 0x42, 0xD8, 0xB7, 0x42, 0xD8, 0xB8, 0x42,