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camthesaxman
052c9e5c22
* decompile more of motload.s * decompile more of motload.s * decompile more of motload.s * dump some data * finish decompiling motload.s * some cleanup
85 lines
2.0 KiB
Python
Executable File
85 lines
2.0 KiB
Python
Executable File
#!/usr/bin/env python
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#
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# dumps arrays of structs
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import re
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import sys
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import struct
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startLabel = sys.argv[2]
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#startLabel = 'lbl_80117068' # starting label
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#endLabel = 'lbl_0000CA5C' # ending label
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#structFmt = '>fff'
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#cFmt = '{%3.8g, %3.8g, %3.8g},'
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structFmt = sys.argv[3]
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cFmt = sys.argv[4]
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dumping = False
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def print_struct(data):
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print(' ' + (cFmt % data))
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def read_label(line):
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m = re.match(r'glabel\s+(\w+)', line)
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if m:
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return m.groups()[0]
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m = re.match(r'(\w+):', line)
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if m:
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return m.groups()[0]
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return None
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def read_data(line):
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# .4byte
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m = re.match(r'\s*\.4byte\s+(\w+)', line)
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if m:
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try:
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value = int(m.groups()[0], 0)
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except ValueError:
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value = 0xDEADBEEF
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return bytearray(
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[(value >> 24) & 0xFF,
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(value >> 16) & 0xFF,
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(value >> 8) & 0xFF,
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(value >> 0) & 0xFF])
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m = re.match(r'\s*\.byte\s+(\w+),\s*(\w+),\s*(\w+),\s*(\w+)', line)
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if m:
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return bytearray(
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[int(m.groups()[0], 0),
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int(m.groups()[1], 0),
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int(m.groups()[2], 0),
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int(m.groups()[3], 0)])
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return bytearray()
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data = bytearray()
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structSize = struct.calcsize(structFmt)
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print('size = %i bytes' % structSize)
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def write_c():
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global startLabel
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global data
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global structSize
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global structFmt
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print('struct ? %s[] =\n{' % startLabel)
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while len(data) >= structSize:
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print_struct(struct.unpack(structFmt, data[0:structSize]))
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data = data[structSize:]
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print('};\n')
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with open(sys.argv[1], 'r') as f:
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for line in f.readlines():
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if dumping:
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#if read_label(line) == endLabel:
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label = read_label(line)
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if label:
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write_c()
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startLabel = label
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#break
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data += read_data(line)
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else:
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if read_label(line) == startLabel:
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dumping = True
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print('dumping')
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continue
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write_c()
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