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compiler: fail if some functions are missing

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Signed-off-by: Evgeniy Stratonikov <evgeniy@nspcc.ru>
This commit is contained in:
Evgeniy Stratonikov 2021-10-25 10:51:50 +03:00
parent 8a0429036b
commit a885f84cad
1 changed files with 3 additions and 0 deletions
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3
pkg/compiler/codegen.go
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@ -2168,6 +2168,9 @@ func (c *codegen) replaceLabelWithOffset(ip int, arg []byte) (int, error) {
if int(index) > len(c.l) {
return 0, fmt.Errorf("unexpected label number: %d (max %d)", index, len(c.l))
}
if c.l[index] < 0 {
return 0, fmt.Errorf("invalid label target: %d at %d", c.l[index], ip)
}
offset := c.l[index] - ip
if offset > math.MaxInt32 || offset < math.MinInt32 {
return 0, fmt.Errorf("label offset is too big at the instruction %d: %d (max %d, min %d)",