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https://github.com/reactos/syzkaller.git
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52a33fd516
Now each prog function accepts the desired target explicitly. No global, implicit state involved. This is much cleaner and allows cross-OS/arch testing, etc.
32 lines
730 B
Go
32 lines
730 B
Go
// Copyright 2015 syzkaller project authors. All rights reserved.
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// Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.
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package prog
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import (
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"math/rand"
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)
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// Generate generates a random program of length ~ncalls.
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// calls is a set of allowed syscalls, if nil all syscalls are used.
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func (target *Target) Generate(rs rand.Source, ncalls int, ct *ChoiceTable) *Prog {
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p := &Prog{
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Target: target,
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}
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r := newRand(target, rs)
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s := newState(target, ct)
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for len(p.Calls) < ncalls {
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calls := r.generateCall(s, p)
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for _, c := range calls {
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s.analyze(c)
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p.Calls = append(p.Calls, c)
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}
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}
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if debug {
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if err := p.validate(); err != nil {
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panic(err)
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}
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}
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return p
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}
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