48 lines
1.0 KiB
Python
48 lines
1.0 KiB
Python
import sys
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syscalls = {
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'open_file': None,
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'read_sectors': None,
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'draw_rect': None,
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}
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if len(sys.argv) != 3:
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print(f'Usage: {sys.argv[0]} outfile infile', file=sys.stderr)
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sys.exit(1)
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outfile = sys.argv[1]
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infile = sys.argv[2]
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with open(infile, 'r') as f:
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header = f.read()
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header = f'; This is from {infile}\n' + header
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mapfile = []
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while True:
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try:
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line = input()
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except EOFError:
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break
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mapfile.append(line)
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section = None
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for line in mapfile:
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line = line.split()
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if len(line) == 4 and all(c == '-' for c in line[0]) and line[1] == 'Section' and all(c == '-' for c in line[3]):
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section = line[2]
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if section == '.text' and len(line) == 3:
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address, _, name = line
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if name in syscalls:
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syscalls[name] = int(address, 16)
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header += f'\n;This was automatically generated\n'
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for syscall, address in syscalls.items():
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if address is None:
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print(f'{sys.argv[0]}: Error: syscall {syscall} not found', file=sys.stderr)
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sys.exit(1)
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header += f'SYS_{syscall.upper()} equ 0x{address:x}\n'
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with open(outfile, 'w') as f:
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f.write(header)
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