func (cc *CoreConvert) makeRegInfo(regs []byte) {
	var phdr elf.Prog32

	phdr.Type = uint32(elf.PT_NOTE)
	phdr.Off = 0
	phdr.Vaddr = 0
	phdr.Paddr = 0
	phdr.Filesz = 0
	phdr.Memsz = 0
	phdr.Flags = 0
	phdr.Align = 4

	data := cc.makeRegData(regs)
	phdr.Filesz = uint32(len(data))

	cc.phdrs = append(cc.phdrs, &phdr)
	cc.data = append(cc.data, data)
}
func (cc *CoreConvert) makeProgHdr(off uint32, mem []byte) {
	var phdr elf.Prog32

	memSz := uint32(len(mem))

	phdr.Type = uint32(elf.PT_LOAD)
	phdr.Off = 0 /* offset of data in file */
	phdr.Vaddr = off
	phdr.Paddr = 0
	phdr.Filesz = memSz
	phdr.Memsz = memSz
	phdr.Flags = uint32(elf.PF_R)
	phdr.Align = 4

	cc.phdrs = append(cc.phdrs, &phdr)
	if memSz%4 != 0 {
		pad := make([]byte, 4-memSz%4)
		mem = append(mem, pad...)
	}
	cc.data = append(cc.data, mem)
}