| // 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{ |
| 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.MakeMmap = arch.makeMmap |
| } |
| |
| type arch struct { |
| virtualAllocSyscall *prog.Syscall |
| |
| MEM_COMMIT uint64 |
| MEM_RESERVE uint64 |
| PAGE_EXECUTE_READWRITE uint64 |
| } |
| |
| func (arch *arch) makeMmap(addr, size uint64) *prog.Call { |
| meta := arch.virtualAllocSyscall |
| return &prog.Call{ |
| Meta: meta, |
| Args: []prog.Arg{ |
| prog.MakeVmaPointerArg(meta.Args[0], addr, size), |
| prog.MakeConstArg(meta.Args[1], size), |
| prog.MakeConstArg(meta.Args[2], arch.MEM_COMMIT|arch.MEM_RESERVE), |
| prog.MakeConstArg(meta.Args[3], arch.PAGE_EXECUTE_READWRITE), |
| }, |
| Ret: prog.MakeReturnArg(meta.Ret), |
| } |
| } |