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63 lines
2.3 KiB
Python
63 lines
2.3 KiB
Python
""" Renames functions in the config when they are renamed in the .s"""
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import re
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import os
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from collections import defaultdict
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config_path = 'pokeemerald_jp.cfg'
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asm_path = os.path.join('asm', 'rom.s')
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def update_config(asm_path, config_path): # Find and replace all renamed functions
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addresses = {} # Maps integer addresses to function names
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asm_exp = re.compile(r'(?!sub_)(\w+): @ (0x[\da-fA-F]+)') # Ignore unknown functions
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cfg_exp = re.compile(r'(thumb_func|arm_func) (0x[\da-fA-F]+)\r?\n')
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with open(asm_path, 'r') as f: # Gather functions
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count = 0
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print('Found 0 named functions.', end='', flush=True)
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for i, line in enumerate(f, 1):
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m = asm_exp.match(line)
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if m:
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addresses[int(m.group(2), 16)] = m.group(1)
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count += 1
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if count % 100 == 0:
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print(f'\rFound {count} named functions', end='')
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print(f'\rFound {count} named functions')
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with open(config_path, 'r') as f_in, open(config_path+'.new', 'w') as f_out:
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replaced = 0
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print('New:')
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for i, line in enumerate(f_in, 1): # Replace functions in config
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m = cfg_exp.fullmatch(line)
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if m:
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func, addr = m.group(1), int(m.group(2), 16)
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if addr in addresses:
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line = f'{func} {m.group(2)} {addresses[addr]}\n'
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print(line[:-1])
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replaced += 1
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f_out.write(line)
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os.replace(config_path+'.new', config_path)
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def check_dups(config_path): # Find duplicate names
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func_exp = re.compile(r'(thumb_func|arm_func) (0x[\da-fA-F]+)\s+(\w+)\r?\n')
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symbols = {} # Maps names to addresses
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dups = defaultdict(set)
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with open(config_path, 'r') as f:
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for line in f:
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m = func_exp.match(line)
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if m is None:
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continue
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addr, name = int(m.group(2), 16), m.group(3)
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if name in symbols:
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dups[name].add(addr)
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dups[name].add(symbols[name])
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symbols[name] = addr
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for name, addrs in dups.items():
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print(f'{name} at {{{", ".join("%08x" % x for x in addrs)}}}')
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if __name__ == '__main__':
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update_config(asm_path, config_path)
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print('Find duplicates:')
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check_dups(config_path)
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