// a call to PLT.
func isPLTCall(rt objabi.RelocType) bool {
	const pcrel = 1
	switch rt {
	// ARM64
	case objabi.ElfRelocOffset + objabi.RelocType(elf.R_AARCH64_CALL26),
		objabi.ElfRelocOffset + objabi.RelocType(elf.R_AARCH64_JUMP26),
		objabi.MachoRelocOffset + MACHO_ARM64_RELOC_BRANCH26*2 + pcrel:
		return true

	// ARM
	case objabi.ElfRelocOffset + objabi.RelocType(elf.R_ARM_CALL),

	R_X86_64_JMP_SLOT        R_X86_64 = 7  /* Set GOT entry to code address. */
	R_X86_64_RELATIVE        R_X86_64 = 8  /* Add load address of shared object. */
	R_X86_64_GOTPCREL        R_X86_64 = 9  /* Add 32 bit signed pcrel offset to GOT. */
	R_X86_64_32              R_X86_64 = 10 /* Add 32 bit zero extended symbol value */
	R_X86_64_32S             R_X86_64 = 11 /* Add 32 bit sign extended symbol value */