align  string
		hasNop bool
	}{
		{[]byte(x0pgm), "align=0x0", false},     // No alignment or nop adjustments needed
		{[]byte(x16pgm), "align=0x20", false},   // Increased alignment needed
		{[]byte(x32pgm), "align=0x40", false},   // Worst case alignment needed
		{[]byte(x64pgm), "align=0x0", true},     // 0 aligned is default (16B) alignment
		{[]byte(x64pgmA64), "align=0x40", true}, // extra alignment + nop

	zb0001Len := uint32(7)
	var zb0001Mask uint8 /* 7 bits */
	_ = zb0001Mask
	if z.Index == nil {
		zb0001Len--
		zb0001Mask |= 0x20
	}
	if z.Checksums == nil {
		zb0001Len--
		zb0001Mask |= 0x40
	}
	// variable map header, size zb0001Len
	err = en.Append(0x80 | uint8(zb0001Len))
	if err != nil {
		return
	}
	if zb0001Len == 0 {
		return
	}
	// write "ETag"

	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x9c, 0x94, 0x41, 0x6f, 0xd3, 0x30,
	0x14, 0xc7, 0x9b, 0xb5, 0x95, 0x56, 0x97, 0x8d, 0x2a, 0xea, 0x21, 0xea, 0x21, 0x99, 0x7a, 0x40,
	0x13, 0x12, 0x36, 0x9d, 0x10, 0x42, 0x9c, 0x20, 0x02, 0x89, 0x89, 0x4c, 0x48, 0xd9, 0x4e, 0x68,
	0x07, 0xdc, 0xe4, 0x91, 0x9a, 0x2e, 0x71, 0x88, 0xdd, 0xa2, 0xdd, 0xf8, 0x08, 0x5c, 0xf9, 0x22,

	0x8e, 0x59, 0xa3, 0x05, 0x7d, 0x8d, 0x66, 0xb5, 0xb5, 0xb0, 0x6e, 0x6f, 0x1f, 0x18, 0x85, 0x9d,
	0x03, 0xa3, 0xb0, 0x7b, 0x60, 0x14, 0x3e, 0x0e, 0x0c, 0xb0, 0x3d, 0x30, 0xc0, 0xce, 0xc0, 0x00,
	0xbb, 0x03, 0x03, 0xfc, 0x1e, 0x18, 0xe0, 0xeb, 0x1f, 0xa3, 0xf0, 0x7a, 0x71, 0xcc, 0x1f, 0xff,
	0xbf, 0x00, 0x00, 0x00, 0xff, 0xff, 0x7c, 0x67, 0x22, 0x03, 0x12, 0x06, 0x00, 0x00,
}

	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x9c, 0x94, 0x4f, 0x6f, 0xd3, 0x30,
	0x18, 0xc6, 0x9b, 0xb5, 0x95, 0x56, 0x97, 0x8d, 0x2a, 0xea, 0x21, 0xea, 0x21, 0x19, 0x95, 0x90,
	0x26, 0x24, 0x1c, 0x3a, 0x21, 0x84, 0x38, 0x8d, 0x08, 0x01, 0x93, 0x3a, 0x21, 0x65, 0x3b, 0xa1,
	0x1d, 0x70, 0x93, 0x97, 0xd4, 0x74, 0x89, 0x83, 0xed, 0x16, 0xed, 0xc6, 0x47, 0xe0, 0xca, 0xc7,

	ComputerNameMax                       = 8

	MOVEFILE_REPLACE_EXISTING      = 0x1
	MOVEFILE_COPY_ALLOWED          = 0x2
	MOVEFILE_DELAY_UNTIL_REBOOT    = 0x4
	MOVEFILE_WRITE_THROUGH         = 0x8
	MOVEFILE_CREATE_HARDLINK       = 0x10
	MOVEFILE_FAIL_IF_NOT_TRACKABLE = 0x20
)

func Rename(oldpath, newpath string) error {
	from, err := syscall.UTF16PtrFromString(oldpath)
	if err != nil {
		return err

#define BLK_ROUNDS R6
#define BLK_IDX    R7

DATA ·rcon+0x00(SB)/8, $0x0f0e0d0c0b0a0908 // Permute for vector doubleword endian swap
DATA ·rcon+0x08(SB)/8, $0x0706050403020100
DATA ·rcon+0x10(SB)/8, $0x0100000001000000 // RCON
DATA ·rcon+0x18(SB)/8, $0x0100000001000000 // RCON
DATA ·rcon+0x20(SB)/8, $0x1b0000001b000000
DATA ·rcon+0x28(SB)/8, $0x1b0000001b000000
DATA ·rcon+0x30(SB)/8, $0x0d0e0f0c0d0e0f0c // MASK

0x2d, 0x31, 0x30, 0x2d, 0x32, 0x37, 0x54, 0x31, 0x35, 0x3a, 0x34, 0x30, 0x3a, 0x35, 0x33, 0x2e, 0x31, 0x39, 0x35, 0x38, 0x31, 0x33, 0x32, 0x39, 0x31, 0x2b, 0x30, 0x38, 0x3a, 0x30, 0x30, 0xd9, 0x22, 0x78, 0x2d, 0x6d, 0x69, 0x6e, 0x69, 0x6f, 0x2d, 0x69, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x61, 0x6c, 0x2d, 0x72, 0x65, 0x70, 0x6c, 0x69, 0x63, 0x61, 0x2d, 0x74, 0x69, 0x6d, 0x65, 0x73, 0x74, 0x61, 0x6d, 0x70, 0xc4, 0x23, 0x32, 0x30, 0x32, 0x32, 0x2d, 0x31, 0x30, 0x2d, 0x32, 0x37, 0x54, 0x31, 0x35, 0x3a, 0x34,...

	LC_SOURCE_VERSION           = 0x2A
	LC_DYLIB_CODE_SIGN_DRS      = 0x2B
	LC_ENCRYPTION_INFO_64       = 0x2C
	LC_LINKER_OPTION            = 0x2D
	LC_LINKER_OPTIMIZATION_HINT = 0x2E
	LC_VERSION_MIN_TVOS         = 0x2F
	LC_VERSION_MIN_WATCHOS      = 0x30
	LC_VERSION_NOTE             = 0x31
	LC_BUILD_VERSION            = 0x32
	LC_DYLD_EXPORTS_TRIE        = 0x80000033
	LC_DYLD_CHAINED_FIXUPS      = 0x80000034
)

const (

	0x38, 0x21, 0x8f, 0x9d, 0x17, 0x27, 0x0e, 0xcd, 0x72, 0xe8, 0xcd, 0xf3, 0xcc, 0xf3, 0xff, 0x3d,
	0xf3, 0xbc, 0xcc, 0x24, 0xe8, 0xc3, 0x8b, 0x63, 0x49, 0xb8, 0xb0, 0x58, 0xc8, 0xad, 0x50, 0x78,
	0xdc, 0x19, 0x5b, 0xa3, 0x23, 0x6b, 0x00, 0x01, 0x44, 0x4c, 0x81, 0x4b, 0xc2, 0x48, 0x28, 0x81,
	0xf7, 0x33, 0x2f, 0xc2, 0x42, 0x4e, 0x32, 0x2f, 0x32, 0x3a, 0x6a, 0xdd, 0x1e, 0x70, 0x35, 0x8c,