private boolean gotThunkCallFixupExists(Program program) {
		for (String fixupName : program.getCompilerSpec().getPcodeInjectLibrary().getCallFixupNames()) {
			if (GOT_THUNK_NAME.equals(fixupName)) {
				return true;
			}
		}
		return false;
	}
Determine if program's cspec has defined the get_pc_thunk_lr call-fixup
@param program
@return true if get_pc_thunk_lr call-fixup is defined
Ghidra/Processors/PowerPC/src/main/java/ghidra/app/util/bin/format/elf/extend/PowerPC_ElfExtension.java