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prog: extend a TODO about big-endian hints

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Dmitry Vyukov 2018-02-27 12:06:28 +01:00
parent 64482eb948
commit 6ceee05ad9
1 changed files with 4 additions and 0 deletions
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4
prog/hints.go
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@ -113,6 +113,10 @@ func checkConstArg(arg *ConstArg, compMap CompMap, exec func()) {
func checkDataArg(arg *DataArg, compMap CompMap, exec func()) {
// TODO(dvyukov): we need big-endian match for ANYBLOBs.
// TODO(dvyukov): any probably not just for ANYBLOBs. Consider that
// kernel code does not convert the data (i.e. not ntohs(pkt->proto) == ETH_P_BATMAN),
// but instead converts the constant (i.e. pkt->proto == htons(ETH_P_BATMAN)).
// In such case we will see dynamic operand that does not match what we have in the program.
bytes := make([]byte, 8)
data := arg.Data()
size := len(data)