mirror of
https://github.com/zeldaret/ss
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robojumper
53 lines
1.5 KiB
Python
53 lines
1.5 KiB
Python
# Thanks KooShnoo! https://discord.com/channels/727908905392275526/1024871155804426310/1329716224971767891
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"""
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objdiff allows one to map symbols from the target binary to the source binary.
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this script will take those symbols you have mapped, and write them to `symbols.txt`.
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use case: say you have changed the signature/name of a function.
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now, your source file says `foo_Ful`, but symbols.txt says `bar__Fl`.
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objdiff allows you to map the `foo_Ful` in the target object to `bar__Fl` in the source object.
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this script allows you to replace `foo_Ful` with `bar__Fl` in `symbols.txt`.
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"""
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import json
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with open("./objdiff.json") as f:
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objdiff_config = json.load(f)
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# lol python has types. it's typython. typescript all over again
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units: list = objdiff_config["units"]
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symbol_mappings_list = list(
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filter(None, [unit.get("symbol_mappings") for unit in units])
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)
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symbol_mappings = {}
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for unit in units:
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symbol_mapping = unit.get("symbol_mappings")
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if symbol_mapping is None:
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continue
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symbol_mappings.update(symbol_mapping)
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del unit['symbol_mappings']
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with open("./config/SOUE01/symbols.txt") as f:
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symbols = f.readlines()
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for i, line in enumerate(symbols):
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tokens = line.split()
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old_symbol = tokens[0]
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new_symbol = symbol_mappings.get(old_symbol)
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if new_symbol is None:
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continue
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tokens[0] = new_symbol
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symbols[i] = " ".join(tokens) + "\n"
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with open("./config/SOUE01/symbols.txt", "w") as f:
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f.writelines(symbols)
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with open("./objdiff.json", "w") as f:
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json.dump(objdiff_config, f)
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