Changeset 41169 in vbox for trunk/src/VBox/Runtime/r0drv/nt

Timestamp:

May 4, 2012 2:24:42 PM (13 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

77789

Message:

IPRT,SUPDrv: RTR0MemKernelCopyFrom/To for safe kernel memory access in debug & tracing code..

File:

• trunk/src/VBox/Runtime/r0drv/nt/memuserkernel-r0drv-nt.cpp (modified) (1 diff)

trunk/src/VBox/Runtime/r0drv/nt/memuserkernel-r0drv-nt.cpp

@@ -92 +92 @@
 }
 
+
+RTR0DECL(int) RTR0MemKernelCopyFrom(void *pvDst, void const *pvSrc, size_t cb)
+{
+    __try
+    {
+        memcpy(pvDst, pvSrc, cb);
+    }
+    __except(EXCEPTION_EXECUTE_HANDLER)
+    {
+        return VERR_ACCESS_DENIED;
+    }
+    return VINF_SUCCESS;
+}
+
+
+RTR0DECL(int) RTR0MemKernelCopyTo(void *pvDst, void const *pvSrc, size_t cb)
+{
+    __try
+    {
+        memcpy(pvDst, pvSrc, cb);
+    }
+    __except(EXCEPTION_EXECUTE_HANDLER)
+    {
+        return VERR_ACCESS_DENIED;
+    }
+    return VINF_SUCCESS;
+}
+