from ghidra.program.util import DefinedDataIterator
from ghidra.app.util import XReferenceUtil

def getAddress(offset):
    return currentProgram.getAddressFactory().getDefaultAddressSpace().getAddress(offset)



string_and_funcdata=[]
functionManager = currentProgram.getFunctionManager()
for string in DefinedDataIterator.definedStrings(currentProgram):
  for ref in XReferenceUtil.getXRefList(string):
    #print(string, ref)
    #string_and_funcdata.extend([string,ref])
    addr=getAddress(hex(int('0x'+str(ref),16)))
    #print(addr)
    #print(functionManager.getFunctionContaining(addr))
    name_of_function=functionManager.getFunctionContaining(addr)
    temp_list=[]
    temp_list.extend([str(string),str(ref),str(name_of_function)])
    #print(temp_list)
    string_and_funcdata.append(temp_list)
#print (string_and_funcdata[0:100])
func_data={}

for li in string_and_funcdata:
   if li[2] in func_data.keys():    
       temp_list=[]
       temp_list.extend([li[0],li[1]])  
       func_data[li[2]].append(temp_list)
 
   if  li[2]!='None' and not(li[2] in func_data.keys()) :
       func_data[li[2]]=[]
       temp_list=[]
       temp_list.append([li[0],li[1]])
       func_data[li[2]].extend(temp_list)
   
print(func_data)