Changeset 26159 in vbox

Timestamp:

Feb 2, 2010 6:12:40 PM (15 years ago)

Author:

vboxsync

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

57173

Message:

PDMDevHlpR3: Added LdrGetR[C0]InterfaceSymbols.

Location:

trunk

Files:

• include/VBox/pdmdev.h (modified) (1 diff)
• src/VBox/VMM/PDMDevHlp.cpp (modified) (3 diffs)

trunk/include/VBox/pdmdev.h

@@ -2987 +2987 @@
     DECLR3CALLBACKMEMBER(bool, pfnAssertOther,(PPDMDEVINS pDevIns, const char *pszFile, unsigned iLine, const char *pszFunction));
 
+    /**
+     * Resolves the symbol for a raw-mode context interface.
+     *
+     * @returns VBox status code.
+     * @param   pDevIns             The device instance.
+     * @param   pvInterface         The interface structure.
+     * @param   cbInterface         The size of the interface structure.
+     * @param   pszSymPrefix        What to prefix the symbols in the list with
+     *                              before resolving them.  This must start with
+     *                              'dev' and contain the driver name.
+     * @param   pszSymList          List of symbols corresponding to the interface.
+     *                              There is generally a there is generally a define
+     *                              holding this list associated with the interface
+     *                              definition (INTERFACE_SYM_LIST).  For more
+     *                              details see PDMR3LdrGetInterfaceSymbols.
+     * @thread  EMT
+     */
+    DECLR3CALLBACKMEMBER(int, pfnLdrGetRCInterfaceSymbols,(PPDMDEVINS pDevIns, void *pvInterface, size_t cbInterface,
+                                                           const char *pszSymPrefix, const char *pszSymList));
+
+    /**
+     * Resolves the symbol for a ring-0 context interface.
+     *
+     * @returns VBox status code.
+     * @param   pDevIns             The device instance.
+     * @param   pvInterface         The interface structure.
+     * @param   cbInterface         The size of the interface structure.
+     * @param   pszSymPrefix        What to prefix the symbols in the list with
+     *                              before resolving them.  This must start with
+     *                              'dev' and contain the driver name.
+     * @param   pszSymList          List of symbols corresponding to the interface.
+     *                              There is generally a there is generally a define
+     *                              holding this list associated with the interface
+     *                              definition (INTERFACE_SYM_LIST).  For more
+     *                              details see PDMR3LdrGetInterfaceSymbols.
+     * @thread  EMT
+     */
+    DECLR3CALLBACKMEMBER(int, pfnLdrGetR0InterfaceSymbols,(PPDMDEVINS pDevIns, void *pvInterface, size_t cbInterface,
+                                                           const char *pszSymPrefix, const char *pszSymList));
 
     /** Space reserved for future members.

trunk/src/VBox/VMM/PDMDevHlp.cpp

@@ -1781 +1781 @@
     AssertBreakpoint();
     return false;
+}
+
+
+/** @interface_method_impl{PDMDEVHLP,pfnLdrGetRCInterfaceSymbols} */
+static DECLCALLBACK(int) pdmR3DevHlp_LdrGetRCInterfaceSymbols(PPDMDEVINS pDevIns, void *pvInterface, size_t cbInterface,
+                                                              const char *pszSymPrefix, const char *pszSymList)
+{
+    PDMDEV_ASSERT_DEVINS(pDevIns);
+    VM_ASSERT_EMT(pDevIns->Internal.s.pVMR3);
+    LogFlow(("pdmR3DevHlp_PDMLdrGetRCInterfaceSymbols: caller='%s'/%d: pvInterface=%p cbInterface=%zu pszSymPrefix=%p:{%s} pszSymList=%p:{%s}\n",
+             pDevIns->pDevReg->szDeviceName, pDevIns->iInstance, pvInterface, cbInterface, pszSymPrefix, pszSymPrefix, pszSymList, pszSymList));
+
+    int rc;
+    if (   strncmp(pszSymPrefix, "dev", 3) == 0
+        && RTStrIStr(pszSymPrefix + 3, pDevIns->pDevReg->szDeviceName) != NULL)
+    {
+        if (pDevIns->pDevReg->fFlags & PDM_DEVREG_FLAGS_RC)
+            rc = PDMR3LdrGetInterfaceSymbols(pDevIns->Internal.s.pVMR3, pvInterface, cbInterface,
+                                             pDevIns->pDevReg->szDeviceName, pszSymPrefix, pszSymList,
+                                             false /*fRing0OrRC*/);
+        else
+        {
+            AssertMsgFailed(("Not a raw-mode enabled driver\n"));
+            rc = VERR_PERMISSION_DENIED;
+        }
+    }
+    else
+    {
+        AssertMsgFailed(("Invalid prefix '%s' for '%s'; must start with 'dev' and contain the driver name!\n",
+                         pszSymPrefix, pDevIns->pDevReg->szDeviceName));
+        rc = VERR_INVALID_NAME;
+    }
+
+    LogFlow(("pdmR3DevHlp_PDMLdrGetRCInterfaceSymbols: caller='%s'/%d: returns %Rrc\n", pDevIns->pDevReg->szDeviceName,
+             pDevIns->iInstance, rc));
+    return rc;
+}
+
+
+/** @interface_method_impl{PDMDEVHLP,pfnLdrGetR0InterfaceSymbols} */
+static DECLCALLBACK(int) pdmR3DevHlp_LdrGetR0InterfaceSymbols(PPDMDEVINS pDevIns, void *pvInterface, size_t cbInterface,
+                                                              const char *pszSymPrefix, const char *pszSymList)
+{
+    PDMDEV_ASSERT_DEVINS(pDevIns);
+    VM_ASSERT_EMT(pDevIns->Internal.s.pVMR3);
+    LogFlow(("pdmR3DevHlp_PDMLdrGetR0InterfaceSymbols: caller='%s'/%d: pvInterface=%p cbInterface=%zu pszSymPrefix=%p:{%s} pszSymList=%p:{%s}\n",
+             pDevIns->pDevReg->szDeviceName, pDevIns->iInstance, pvInterface, cbInterface, pszSymPrefix, pszSymPrefix, pszSymList, pszSymList));
+
+    int rc;
+    if (   strncmp(pszSymPrefix, "dev", 3) == 0
+        && RTStrIStr(pszSymPrefix + 3, pDevIns->pDevReg->szDeviceName) != NULL)
+    {
+        if (pDevIns->pDevReg->fFlags & PDM_DEVREG_FLAGS_R0)
+            rc = PDMR3LdrGetInterfaceSymbols(pDevIns->Internal.s.pVMR3, pvInterface, cbInterface,
+                                             pDevIns->pDevReg->szDeviceName, pszSymPrefix, pszSymList,
+                                             true /*fRing0OrRC*/);
+        else
+        {
+            AssertMsgFailed(("Not a ring-0 enabled driver\n"));
+            rc = VERR_PERMISSION_DENIED;
+        }
+    }
+    else
+    {
+        AssertMsgFailed(("Invalid prefix '%s' for '%s'; must start with 'dev' and contain the driver name!\n",
+                         pszSymPrefix, pDevIns->pDevReg->szDeviceName));
+        rc = VERR_INVALID_NAME;
+    }
+
+    LogFlow(("pdmR3DevHlp_PDMLdrGetR0InterfaceSymbols: caller='%s'/%d: returns %Rrc\n", pDevIns->pDevReg->szDeviceName,
+             pDevIns->iInstance, rc));
+    return rc;
 }
 
@@ -2858 +2930 @@
     pdmR3DevHlp_AssertEMT,
     pdmR3DevHlp_AssertOther,
+    pdmR3DevHlp_LdrGetRCInterfaceSymbols,
+    pdmR3DevHlp_LdrGetR0InterfaceSymbols,
     0,
     0,
@@ -3051 +3125 @@
     pdmR3DevHlp_AssertEMT,
     pdmR3DevHlp_AssertOther,
+    pdmR3DevHlp_LdrGetRCInterfaceSymbols,
+    pdmR3DevHlp_LdrGetR0InterfaceSymbols,
     0,
     0,