Changeset 83074 in vbox for trunk/src/VBox/Runtime

Timestamp:

Feb 14, 2020 12:35:34 PM (5 years ago)

Author:

vboxsync

Message:

IPRT/r0drv-darwin: Some debug code. bugref:9466

Location:

trunk/src/VBox/Runtime/r0drv/darwin

Files:

• initterm-r0drv-darwin.cpp (modified) (2 diffs)
• the-darwin-kernel.h (modified) (1 diff)

trunk/src/VBox/Runtime/r0drv/darwin/initterm-r0drv-darwin.cpp

@@ -48 +48 @@
 /** Pointer to the cpu_interrupt function, if found. */
 PFNR0DARWINCPUINTERRUPT     g_pfnR0DarwinCpuInterrupt = NULL;
+#ifdef DEBUG
+/** Pointer to the vm_fault_external function - used once for debugging @bugref{9466}. */
+PFNR0DARWINVMFAULTEXTERNAL  g_pfnR0DarwinVmFaultExternal = NULL;
+#endif
 
 
@@ -77 +81 @@
             RTR0DbgKrnlInfoQuerySymbol(hKrnlInfo, NULL, "cpu_interrupt", (void **)&g_pfnR0DarwinCpuInterrupt);
             printf("cpu_interrupt=%p\n", g_pfnR0DarwinCpuInterrupt);
+#ifdef DEBUG
+            RTR0DbgKrnlInfoQuerySymbol(hKrnlInfo, NULL, "vm_fault_external", (void **)&g_pfnR0DarwinVmFaultExternal);
+            printf("vm_fault_external=%p\n", g_pfnR0DarwinVmFaultExternal);
+#endif
             RTR0DbgKrnlInfoRelease(hKrnlInfo);
         }

trunk/src/VBox/Runtime/r0drv/darwin/the-darwin-kernel.h

@@ -206 +206 @@
 extern PFNR0DARWINASTPENDING       g_pfnR0DarwinAstPending;
 extern PFNR0DARWINCPUINTERRUPT     g_pfnR0DarwinCpuInterrupt;
+#ifdef DEBUG /* Used once for debugging memory issues (see #9466). */
+typedef kern_return_t (*PFNR0DARWINVMFAULTEXTERNAL)(vm_map_t, vm_map_offset_t, vm_prot_t, boolean_t, int, pmap_t, vm_map_offset_t);
+extern PFNR0DARWINVMFAULTEXTERNAL  g_pfnR0DarwinVmFaultExternal;
+#endif
 
 /* threadpreempt-r0drv-darwin.cpp */