#!/usr/bin/env python3

# SPDX-License-Identifier: GPL-2.0

# Script for converting GNU LD map file
# into symbols for KolibriOS debuger (mtdbg),

# Copyright (C) 2025 KolibriOS team
# Author: Maxim Logaev <maxlogaev@proton.me>

import sys
import re

if len(sys.argv) < 2:
    print("Usage: python3 map2dbg.py <input.map> <output.dbg>")
    sys.exit(1)

map_file = open(sys.argv[1], 'r')
dbg_file = open(sys.argv[2], 'w')

# Find .text section
line = map_file.readline()

while (line):
    if line.startswith(".text"):
        break
    line = map_file.readline()

# Extract symbols from .text section
line = map_file.readline()

while (line):

    # .text section is ended
    if not line.startswith(" "):
        break

    match = re.search(r'^\s+0x([0-9a-fA-F]+)\s+(\S+)\s*$', line)
    if match:
        addr = match.group(1)
        name = match.group(2)
        dbg_file.write(f"0x{addr} {name}\n")

    line = map_file.readline()

map_file.close()
dbg_file.close()