mirror of
https://github.com/zeldaret/ss
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robojumper
127 lines
4.0 KiB
Python
127 lines
4.0 KiB
Python
#Export symbols from an organically grown Ghidra repository to a decomp-toolkit symbols.txt file
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#@author robojumper
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#@category GameCube/Wii
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#@keybinding
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#@menupath
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#@toolbar
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import os
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import re
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AF = currentProgram.getAddressFactory()
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mem = currentProgram.getMemory()
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listing = currentProgram.getListing()
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sym_re = re.compile("(?:lbl|fn|FUN|DAT)_[0-9A-Fa-f_]+ = \.([a-z0-9]+):0x([0-9A-Fa-f]{8})(.*)\n")
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default_sym_re = re.compile(".*_[0-9A-Za-z]+$")
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used_symbols = set()
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def transformer_for_file(file_name):
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def transformer(section, address):
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if file_name == "MAIN":
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# in the main dol, each symbol is loaded at a fixed address
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addr_obj = AF.getAddress("0x%08X" % address)
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else:
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# REL sections can't be reliably identified
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if section != "text":
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return None
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# in rels, every section is relocated indivdually, so treat
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# this as an offset
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block_name = file_name + "_." + section + "0"
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print(block_name)
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block = mem.getBlock(block_name)
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addr_obj = block.getStart().add(address)
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symbol = getSymbolAt(addr_obj)
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if symbol: #and symbol.getAddress().equals(addr_obj):
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name = symbol.getName(True)
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if default_sym_re.match(name):
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return None
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# in our Ghidra the RVL symbols are helpfully namespaced...
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bad_prefixes = [
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"ai::",
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"arc::",
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"axfx::",
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"dvd::",
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"exi::",
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"gx::",
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"kpad::",
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"mem::",
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"mtx::",
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"nand::",
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"os::",
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"sc::",
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"si::",
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"tpl::",
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"vi::",
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"wenc::",
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"wpad::",
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"wud::",
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]
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lowercase_name = name.lower()
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for prefix in bad_prefixes:
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if lowercase_name.startswith(prefix):
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name = name[len(prefix):]
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break
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name = name.replace("::", "__")
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name = name.replace(":", "__")
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name = name.replace("?", "Maybe")
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name = name.replace("[", "_")
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name = name.replace("]", "_")
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name = name.replace("~", "_")
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if name in used_symbols:
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i = 2
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while name + str(i) in used_symbols:
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i += 1
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name = name + str(i)
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return name
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return transformer
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def transform_symbols_file(file, transformer):
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new_file = ""
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for line in file:
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match = sym_re.match(line)
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if match:
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# whole match section address metadata
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# print(match.group(0), match.group(1), match.group(2), match.group(3))
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section = match.group(1)
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addr_str = match.group(2)
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metadata = match.group(3)
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new_name = transformer(section, int(addr_str, 16))
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if new_name:
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used_symbols.add(new_name)
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new_file += new_name + " = ." + section + ":0x" + match.group(2) + metadata + "\n"
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continue
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used_symbols.add(line.split("=")[0][:-1])
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new_file += line
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return new_file
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path = str(askDirectory("Program config directory (e.g. config/SOUE01)", "Export"))
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new_contents = None
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main_symbols = os.path.join(path, "symbols.txt")
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with open(main_symbols, "rt") as file:
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new_contents = transform_symbols_file(file, transformer_for_file("MAIN"))
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with open(main_symbols, 'w') as f:
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f.write(new_contents)
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rels_dir = os.path.join(path, "rels")
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for rel_name in os.listdir(rels_dir):
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if rel_name.endswith("NP"):
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rel_symbols = os.path.join(rels_dir, rel_name, "symbols.txt")
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with open(rel_symbols, "rt") as file:
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new_contents = transform_symbols_file(file, transformer_for_file(rel_name))
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with open(rel_symbols, 'w') as f:
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f.write(new_contents)
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