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windows: add memory-related VirtualX calls and associated constants

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Fixes golang/go#20086

Change-Id: Ifdc2561fe6cc125fa45a57bad9750f3f3f055e66
Reviewed-on: https://go-review.googlesource.com/47335
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Alex Brainman <alex.brainman@gmail.com>
This commit is contained in:
Awn
2017-07-02 07:53:53 +00:00
committed by Alex Brainman
parent 4ed4d404df
commit d18155cb60
4 changed files with 65 additions and 2 deletions
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windows/zsyscall_windows.go
+40
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@@ -139,6 +139,9 @@ var (
procFlushViewOfFile = modkernel32.NewProc("FlushViewOfFile")
procVirtualLock = modkernel32.NewProc("VirtualLock")
procVirtualUnlock = modkernel32.NewProc("VirtualUnlock")
procVirtualAlloc = modkernel32.NewProc("VirtualAlloc")
procVirtualFree = modkernel32.NewProc("VirtualFree")
procVirtualProtect = modkernel32.NewProc("VirtualProtect")
procTransmitFile = modmswsock.NewProc("TransmitFile")
procReadDirectoryChangesW = modkernel32.NewProc("ReadDirectoryChangesW")
procCertOpenSystemStoreW = modcrypt32.NewProc("CertOpenSystemStoreW")
@@ -1384,6 +1387,43 @@ func VirtualUnlock(addr uintptr, length uintptr) (err error) {
return
}
func VirtualAlloc(address uintptr, size uintptr, alloctype uint32, protect uint32) (value uintptr, err error) {
r0, _, e1 := syscall.Syscall6(procVirtualAlloc.Addr(), 4, uintptr(address), uintptr(size), uintptr(alloctype), uintptr(protect), 0, 0)
value = uintptr(r0)
if value == 0 {
if e1 != 0 {
err = errnoErr(e1)
} else {
err = syscall.EINVAL
}
}
return
}
func VirtualFree(address uintptr, size uintptr, freetype uint32) (err error) {
r1, _, e1 := syscall.Syscall(procVirtualFree.Addr(), 3, uintptr(address), uintptr(size), uintptr(freetype))
if r1 == 0 {
if e1 != 0 {
err = errnoErr(e1)
} else {
err = syscall.EINVAL
}
}
return
}
func VirtualProtect(address uintptr, size uintptr, newprotect uint32, oldprotect *uint32) (err error) {
r1, _, e1 := syscall.Syscall6(procVirtualProtect.Addr(), 4, uintptr(address), uintptr(size), uintptr(newprotect), uintptr(unsafe.Pointer(oldprotect)), 0, 0)
if r1 == 0 {
if e1 != 0 {
err = errnoErr(e1)
} else {
err = syscall.EINVAL
}
}
return
}
func TransmitFile(s Handle, handle Handle, bytesToWrite uint32, bytsPerSend uint32, overlapped *Overlapped, transmitFileBuf *TransmitFileBuffers, flags uint32) (err error) {
r1, _, e1 := syscall.Syscall9(procTransmitFile.Addr(), 7, uintptr(s), uintptr(handle), uintptr(bytesToWrite), uintptr(bytsPerSend), uintptr(unsafe.Pointer(overlapped)), uintptr(unsafe.Pointer(transmitFileBuf)), uintptr(flags), 0, 0)
if r1 == 0 {