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// Copyright 2017 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 windows
import (
"github.com/google/syzkaller/prog"
)
func InitTarget(target *prog.Target) {
arch := &arch{
target: target,
virtualAllocSyscall: target.SyscallMap["VirtualAlloc"],
MEM_COMMIT: target.GetConst("MEM_COMMIT"),
MEM_RESERVE: target.GetConst("MEM_RESERVE"),
PAGE_EXECUTE_READWRITE: target.GetConst("PAGE_EXECUTE_READWRITE"),
}
target.MakeDataMmap = arch.makeMmap
}
type arch struct {
target *prog.Target
virtualAllocSyscall *prog.Syscall
MEM_COMMIT uint64
MEM_RESERVE uint64
PAGE_EXECUTE_READWRITE uint64
}
func (arch *arch) makeMmap() []*prog.Call {
meta := arch.virtualAllocSyscall
size := arch.target.NumPages * arch.target.PageSize
return []*prog.Call{
{
Meta: meta,
Args: []prog.Arg{
prog.MakeVmaPointerArg(meta.Args[0].Type, prog.DirIn, 0, size),
prog.MakeConstArg(meta.Args[1].Type, prog.DirIn, size),
prog.MakeConstArg(meta.Args[2].Type, prog.DirIn, arch.MEM_COMMIT|arch.MEM_RESERVE),
prog.MakeConstArg(meta.Args[3].Type, prog.DirIn, arch.PAGE_EXECUTE_READWRITE),
},
Ret: prog.MakeReturnArg(meta.Ret),
},
}
}
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