Changeset 15997 in vbox for trunk

Timestamp:

Jan 16, 2009 4:13:23 PM (16 years ago)

Author:

vboxsync

Message:

DBGFR3MemScan: Fixed crash on 32-bit hosts.

File:

• trunk/src/VBox/VMM/DBGFMem.cpp (modified) (3 diffs)

trunk/src/VBox/VMM/DBGFMem.cpp

@@ -40 +40 @@
  * @param   pVM         The VM handle.
  * @param   pAddress    Where to store the mixed address.
- * @param   cbRange     The number of bytes to scan.
+ * @param   pcbRange    The number of bytes to scan. Passed as a pointer because 
+ *                      it may be 64-bit.
  * @param   pabNeedle   What to search for - exact search.
  * @param   cbNeedle    Size of the search byte string.
  * @param   pHitAddress Where to put the address of the first hit.
  */
-static DECLCALLBACK(int) dbgfR3MemScan(PVM pVM, PCDBGFADDRESS pAddress, RTGCUINTPTR cbRange, const uint8_t *pabNeedle, size_t cbNeedle,
+static DECLCALLBACK(int) dbgfR3MemScan(PVM pVM, PCDBGFADDRESS pAddress, PCRTGCUINTPTR pcbRange, const uint8_t *pabNeedle, size_t cbNeedle,
                                        PDBGFADDRESS pHitAddress)
 {
@@ -51 +52 @@
      * Validate the input we use, PGM does the rest.
      */
+    RTGCUINTPTR cbRange = *pcbRange;
     if (!DBGFR3AddrIsValid(pVM, pAddress))
         return VERR_INVALID_POINTER;
@@ -114 +116 @@
     PVMREQ pReq;
     int rc = VMR3ReqCall(pVM, VMREQDEST_ANY, &pReq, RT_INDEFINITE_WAIT, (PFNRT)dbgfR3MemScan, 6,
-                         pVM, pAddress, cbRange, pabNeedle, cbNeedle, pHitAddress);
+                         pVM, pAddress, &cbRange, pabNeedle, cbNeedle, pHitAddress);
     if (RT_SUCCESS(rc))
         rc = pReq->iStatus;