57 lines
1.4 KiB
Python
57 lines
1.4 KiB
Python
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#!/usr/bin/env nix-shell
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#! nix-shell -i python3 -p python3
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#
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# Usage: deptr.py mapfile file.s
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# Replaces pointers with symbol names
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import os
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import re
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import sys
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substitutions = (
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('<', '$$0'),
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('>', '$$1'),
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('@', '$$2'),
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('\\', '\\\\'),
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(',', '$$4'),
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('-', '$$5')
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)
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def format(symbol):
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illegal_symbols = ('<', '>', '@', '\\', ',', '-')
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symbol.replace("\\", "\\\\")
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for c in illegal_symbols:
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if c in symbol:
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symbol = f'"{symbol}"'
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break
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return symbol
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if len(sys.argv) != 3:
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print('Usage: %s MAP_FILE ASM_FILE' % sys.argv[0])
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exit()
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labels = set()
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labelNames = {}
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with open(sys.argv[1], "r") as mapfile:
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for line in mapfile:
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match = re.match(' [0-9a-f]{8} [0-9a-f]{6} ([0-9a-f]{8}) [0-9a-f]{8} [ 0-9][0-9] ([^ 0-9.][^ ]*)', line)
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if match:
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addr = int(match.group(1), 16)
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name = format(match.group(2))
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labels.add(addr)
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labelNames[addr] = name
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with open(sys.argv[2], 'rt') as f:
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for line in f.readlines():
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line = line.rstrip('\n')
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# Section directive
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m = re.match(r'.*((lbl|func)_(80[0-5][0-9A-F]{5})).*', line)
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if m:
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label_address = int(m.group(3), 16)
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label = m.group(1)
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if label_address in labelNames:
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line = line.replace(label, labelNames[label_address])
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print(line)
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