Minor fixes and debug helpers to track externs.

src/xenia/cpu/xex_module.cc

@@ -134,8 +134,16 @@ int XexModule::SetupLibraryImports(const xe_xex2_import_library_t* library) {
       uint32_t* slot = (uint32_t*)(membase + info->value_address);
       if (kernel_export->type == KernelExport::Function) {
         // Not exactly sure what this should be...
-        // TODO(benvanik): find out what import variables are.
-        XELOGW("kernel import variable not defined");
+        if (info->thunk_address) {
+          // slot = XESWAP32BE(info->thunk_address);
+          // Setting this breaks other emu code that relies on it not being
+          // modified. Not sure what to do.
+        } else {
+          // TODO(benvanik): find out what import variables are.
+          XELOGW("kernel import variable not defined %.8X %s",
+                 info->value_address, kernel_export->name);
+          //*slot = XESWAP32BE(0xF00DF00D);
+        }
       } else {
         if (kernel_export->is_implemented) {
           // Implemented - replace with pointer.
@@ -176,11 +184,14 @@ int XexModule::SetupLibraryImports(const xe_xex2_import_library_t* library) {
       }
 
       DefineFunction(fn_info);
-      Function* fn = new ExternFunction(
-        info->thunk_address,
+      auto fn = new ExternFunction(
+          info->thunk_address,
           handler,
           handler_data,
           NULL);
+      if (kernel_export) {
+        fn->set_name(kernel_export->name);
+      }
       fn_info->set_function(fn);
       fn_info->set_status(SymbolInfo::STATUS_DEFINED);
     }

src/xenia/kernel/xboxkrnl/xboxkrnl_misc.cc

@@ -27,6 +27,7 @@ namespace xboxkrnl {
 
 void xeKeBugCheckEx(uint32_t code, uint32_t param1, uint32_t param2, uint32_t param3, uint32_t param4) {
   XELOGD("*** STOP: 0x%.8X (0x%.8X, 0x%.8X, 0x%.8X, 0x%.8X)", code, param1, param2, param3, param4);
+  fflush(stdout);
   DebugBreak();
   XEASSERTALWAYS();
 }

src/xenia/kernel/xex2.cc

@@ -931,6 +931,8 @@ int xe_xex2_get_import_infos(xe_xex2_ref xex,
       info_count * sizeof(xe_xex2_import_info_t));
   XEEXPECTNOTNULL(infos);
 
+  XEASSERTNOTZERO(info_count);
+
   // Construct infos.
   for (size_t n = 0, i = 0; n < library->record_count; n++) {
     const uint32_t record = library->records[n];