core/vm: clarify comment (#27045)

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joohhnnn 2023-04-04 14:59:40 +08:00 committed by GitHub
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@ -63,7 +63,7 @@ func (bits *bitvec) codeSegment(pos uint64) bool {
// codeBitmap collects data locations in code.
func codeBitmap(code []byte) bitvec {
// The bitmap is 4 bytes longer than necessary, in case the code
// ends with a PUSH32, the algorithm will push zeroes onto the
// ends with a PUSH32, the algorithm will set bits on the
// bitvector outside the bounds of the actual code.
bits := make(bitvec, len(code)/8+1+4)
return codeBitmapInternal(code, bits)