37 lines
1.3 KiB
Python
37 lines
1.3 KiB
Python
"""计算 Generator struct 关键字段偏移，验证 this_adjust=536 是否正确。"""
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import re
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f = r'D:\Users\TermiNexus\Desktop\TransPyC\TransPyV\output\e1ea7eaf63a9c3d1.ll'
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elems = []
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with open(f, encoding='utf-8', errors='replace') as fh:
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for ln in fh:
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if 'e1ea7eaf63a9c3d1.Generator" = type' in ln:
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body = ln.split('= type {')[1].rstrip().rstrip('}')
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elems = [x.strip() for x in body.split(',')]
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break
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off = 0
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offs = []
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for t in elems:
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align = 4 if t == 'i32' else 8
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sz = 4 if t == 'i32' else 8
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if off % align:
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off += align - (off % align)
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offs.append(off)
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off += sz
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print('struct 元素数:', len(elems))
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for idx in (89, 90, 105, 108):
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print(f'struct[{idx}]={elems[idx]} 偏移={offs[idx]}')
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# ClassGenBase 独立 struct 前 26 元素字节偏移（ExceptionNames 块内偏移）
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CGB = ['i8*','i8*','i32','i64*','i64*','i64*','i64*','i32','i64*','i64*','i64*','i64*','i64*','i32',
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'i64*','i64*','i32','i32*','i8*','i8*','i32','i32','i8*','i8*','i64*','i32']
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c = 0
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for t in CGB:
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a = 4 if t == 'i32' else 8
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s = 4 if t == 'i32' else 8
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if c % a: c += a - (c % a)
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c += s
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print('ClassGenBase ExceptionNames 块内偏移:', c)
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print('this_adjust(536) + 块内偏移 =', 536 + c, ' vs struct[90] ExceptionNames 偏移', offs[90] if len(offs) > 90 else 'N/A')
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