UEFI driver gdb symbol loading script

uefi-symbols.py

# This quick and dirty script will print a chunk that you can copy into gdb for loading of UEFI driver symbols
# requires objdump to be in your env path
# Expects a debug.log file which it will parse for all loaded drivers

import glob, os
import sys
import subprocess

DEBUG_FILE = "debug.log"
UEFI_PATH = "/home/droogie/src/edk2/Build/OvmfX64/DEBUG_GCC5/X64/"

def obtainOffset(filename, section):
    command = "objdump -h " + filename + " | grep " + section + " | tr -s ' ' | cut -d ' ' -f 7"
    try:
        offset = subprocess.check_output(command, shell=True)

    except:
        print "Error: Do you have objdump?\n"
        sys.exit(1)
    return offset

def printSymbolLine(filename, entry):
    os.chdir(UEFI_PATH)
    for file in glob.glob(filename):
        data = int(entry, 16) + int(obtainOffset(filename, "data").strip(), 16)
        text = int(entry, 16) + int(obtainOffset(filename, "text").strip(), 16)
        print("add-symbol-file %s%s 0x%x -s .data 0x%x" % (UEFI_PATH, filename.replace('efi', 'debug'), text, data))

print "set confirm off\n"
with open(DEBUG_FILE) as f:
    for line in f:
        if "Loading driver at" in line:
            printSymbolLine(line.split(' ')[5].strip(), line.split(' ')[3].strip())