[Lldb-commits] [lldb] c85d47f - [lldb] Add more logging to __lldb_apple_objc_v2_get_dynamic_class_info

[Jonas Devlieghere via lldb-commits]

Author: Jonas Devlieghere
Date: 2021-03-02T16:24:59-08:00
New Revision: c85d47f7b821a5e9030dffa6613f6257c5f39446

URL: https://github.com/llvm/llvm-project/commit/c85d47f7b821a5e9030dffa6613f6257c5f39446
DIFF: https://github.com/llvm/llvm-project/commit/c85d47f7b821a5e9030dffa6613f6257c5f39446.diff

LOG: [lldb] Add more logging to __lldb_apple_objc_v2_get_dynamic_class_info

Added: 
    

Modified: 
    lldb/source/Plugins/LanguageRuntime/ObjC/AppleObjCRuntime/AppleObjCRuntimeV2.cpp

Removed: 
    


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diff  --git a/lldb/source/Plugins/LanguageRuntime/ObjC/AppleObjCRuntime/AppleObjCRuntimeV2.cpp b/lldb/source/Plugins/LanguageRuntime/ObjC/AppleObjCRuntime/AppleObjCRuntimeV2.cpp
index e3b15f0ae8a8..90ef5e1c7403 100644
--- a/lldb/source/Plugins/LanguageRuntime/ObjC/AppleObjCRuntime/AppleObjCRuntimeV2.cpp
+++ b/lldb/source/Plugins/LanguageRuntime/ObjC/AppleObjCRuntime/AppleObjCRuntimeV2.cpp
@@ -121,14 +121,20 @@ __lldb_apple_objc_v2_get_dynamic_class_info (void *gdb_objc_realized_classes_ptr
     if (grc)
     {
         const unsigned num_classes = grc->num_classes;
+        DEBUG_PRINTF ("num_classes = %u\n", grc->num_classes);
         if (class_infos_ptr)
         {
+            const unsigned num_buckets_minus_one = grc->num_buckets_minus_one;
+            DEBUG_PRINTF ("num_buckets_minus_one = %u\n", num_buckets_minus_one);
+
             const size_t max_class_infos = class_infos_byte_size/sizeof(ClassInfo);
+            DEBUG_PRINTF ("max_class_infos = %u\n", max_class_infos);
+
             ClassInfo *class_infos = (ClassInfo *)class_infos_ptr;
             BucketInfo *buckets = (BucketInfo *)grc->buckets;
-            
+
             uint32_t idx = 0;
-            for (unsigned i=0; i<=grc->num_buckets_minus_one; ++i)
+            for (unsigned i=0; i<=num_buckets_minus_one; ++i)
             {
                 if (buckets[i].name_ptr != NX_MAPNOTAKEY)
                 {
@@ -140,6 +146,7 @@ __lldb_apple_objc_v2_get_dynamic_class_info (void *gdb_objc_realized_classes_ptr
                             h = ((h << 5) + h) + c;
                         class_infos[idx].hash = h;
                         class_infos[idx].isa = buckets[i].isa;
+                        DEBUG_PRINTF ("[%u] isa = %8p %s\n", idx, class_infos[idx].isa, buckets[i].name_ptr);
                     }
                     ++idx;
                 }