common: Write a message when downloading symbols.

Downloading symbols can take quite a while, specially on first runs, so
output something to make it clear logging is not over.

Issue #26.

Author: jrfonseca

src/common/debugger.cpp

@@ -215,8 +215,7 @@ refreshSymbolsAndDumpStack(HANDLE hProcess, HANDLE hThread)
     assert(hProcess);
     assert(hThread);
 
-    // XXX: Deferred symbols don't get loaded without this
-    SymRefreshModuleList(hProcess);
+    loadSymbols(hProcess);
 
     dumpStack(hProcess, hThread, NULL);
 }
@@ -383,12 +382,11 @@ BOOL DebugMainLoop(const DebugOptions *pOptions)
                 }
             }
 
-            // XXX: Deferred symbols don't get loaded without this
-            SymRefreshModuleList(pProcessInfo->hProcess);
-
             dumpException(pProcessInfo->hProcess,
                           &DebugEvent.u.Exception.ExceptionRecord);
 
+            loadSymbols(hProcess);
+
             // Find the thread in the thread list
             THREAD_INFO_LIST::const_iterator it;
             for (it = pProcessInfo->Threads.begin(); it != pProcessInfo->Threads.end(); ++it) {

src/common/log.c

@@ -155,6 +155,18 @@ dumpContext(
 }
 
 
+void
+loadSymbols(HANDLE hProcess)
+{
+    lprintf("Loading symbols...");
+
+    // XXX: Deferred symbols don't get loaded without this
+    SymRefreshModuleList(hProcess);
+
+    lprintf(" done.\n\n");
+}
+
+
 void
 dumpStack(HANDLE hProcess, HANDLE hThread,
           const CONTEXT *pTargetContext)

src/common/log.h

@@ -35,6 +35,9 @@ lprintf(const char * format, ...);
 EXTERN_C void
 dumpException(HANDLE hProcess, PEXCEPTION_RECORD pExceptionRecord);
 
+EXTERN_C void
+loadSymbols(HANDLE hProcess);
+
 EXTERN_C void
 dumpStack(HANDLE hProcess, HANDLE hThread,
           const CONTEXT *pContext);

src/exchndl/exchndl.c

@@ -84,10 +84,12 @@ void GenerateExceptionReport(PEXCEPTION_POINTERS pExceptionInfo)
 
     SetSymOptions(FALSE);
 
-    if (InitializeSym(hProcess, TRUE)) {
+    if (InitializeSym(hProcess, FALSE)) {
 
         dumpException(hProcess, pExceptionRecord);
 
+        loadSymbols(hProcess);
+
         PCONTEXT pContext = pExceptionInfo->ContextRecord;
 
         // XXX: In 64-bits WINE we can get context record that don't match the