windows: add memory-related VirtualX calls and associated constants
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>
diff --git a/windows/zsyscall_windows.go b/windows/zsyscall_windows.go
index b9ee827..d588e1d 100644
--- a/windows/zsyscall_windows.go
+++ b/windows/zsyscall_windows.go
@@ -139,6 +139,9 @@
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 @@
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 {
