mirror of
https://github.com/reactos/syzkaller.git
synced 2024-11-24 03:49:45 +00:00
28 lines
661 B
Go
28 lines
661 B
Go
// Copyright 2015 syzkaller project authors. All rights reserved.
|
|
// Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.
|
|
|
|
package prog
|
|
|
|
import (
|
|
"math/rand"
|
|
)
|
|
|
|
// Generate generates a random program of length ~ncalls.
|
|
// calls is a set of allowed syscalls, if nil all syscalls are used.
|
|
func Generate(rs rand.Source, ncalls int, ct *ChoiceTable) *Prog {
|
|
p := new(Prog)
|
|
r := newRand(rs)
|
|
s := newState(ct)
|
|
for len(p.Calls) < ncalls {
|
|
calls := r.generateCall(s, p)
|
|
for _, c := range calls {
|
|
s.analyze(c)
|
|
p.Calls = append(p.Calls, c)
|
|
}
|
|
}
|
|
if err := p.validate(); err != nil {
|
|
panic(err)
|
|
}
|
|
return p
|
|
}
|