Changeset 91672 in vbox for trunk/src/VBox/Runtime/r0drv/nt/dbgkrnlinfo-r0drv-nt.cpp

Timestamp:

Oct 11, 2021 8:23:43 PM (3 years ago)

Author:

vboxsync

Message:

IPRT/dbgkrnlinfo-r0drv-nt.cpp: Now that we've got pseudo symbols, a module is 'okay' even if it doesn't have an export table. bugref:10118

File:

• trunk/src/VBox/Runtime/r0drv/nt/dbgkrnlinfo-r0drv-nt.cpp (modified) (2 diffs)

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

@@ -340 +340 @@
 
     /*
-     * Find the export directory.
+     * Find the export directory.  It's okay if none is present too.
      */
     IMAGE_DATA_DIRECTORY ExpDir = pNtHdrs->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_EXPORT];
@@ -347 +347 @@
         || ExpDir.VirtualAddress >= pModInfo->cbImage
         || ExpDir.VirtualAddress + ExpDir.Size > pModInfo->cbImage)
+    {
+        if (ExpDir.Size == 0 && ExpDir.VirtualAddress == 0)
+        {
+            pModInfo->offExportDir      = 0;
+            pModInfo->cbExportDir       = 0;
+            pModInfo->cNamedExports     = 0;
+            pModInfo->cExports          = 0;
+            pModInfo->paoffExports      = NULL;
+            pModInfo->paoffNamedExports = NULL;
+            pModInfo->pau16NameOrdinals = NULL;
+            return true;
+        }
         MODERR_RETURN("%s: Missing or invalid export directory: %#lx LB %#x\n", pModInfo->szName, ExpDir.VirtualAddress, ExpDir.Size);
+    }
     pModInfo->offExportDir = ExpDir.VirtualAddress;
     pModInfo->cbExportDir  = ExpDir.Size;