From b86dc66e753df9005aec9bbb39a4c00fa233015c Mon Sep 17 00:00:00 2001
From: Enrico Granata <egranata@apple.com>
Date: Thu, 5 May 2016 01:15:57 +0000
Subject: [PATCH] Make the functions that fetch data from the ObjC runtime
 choose whether or not to log depending on whether the types log is enabled

This can prove helpful in debugging issues with that retrieval even if LLDB wasn't compiled with the magic macros defined

llvm-svn: 268587
---
 .../AppleObjCRuntime/AppleObjCRuntimeV2.cpp   | 28 +++++++++----------
 1 file changed, 13 insertions(+), 15 deletions(-)

diff --git a/lldb/source/Plugins/LanguageRuntime/ObjC/AppleObjCRuntime/AppleObjCRuntimeV2.cpp b/lldb/source/Plugins/LanguageRuntime/ObjC/AppleObjCRuntime/AppleObjCRuntimeV2.cpp
index ec533926b6bb..091c157142cc 100644
--- a/lldb/source/Plugins/LanguageRuntime/ObjC/AppleObjCRuntime/AppleObjCRuntimeV2.cpp
+++ b/lldb/source/Plugins/LanguageRuntime/ObjC/AppleObjCRuntime/AppleObjCRuntimeV2.cpp
@@ -80,12 +80,7 @@ extern "C"
     char *strncpy (char * s1, const char * s2, size_t n);
     int printf(const char * format, ...);
 }
-//#define ENABLE_DEBUG_PRINTF // COMMENT THIS LINE OUT PRIOR TO CHECKIN
-#ifdef ENABLE_DEBUG_PRINTF
-#define DEBUG_PRINTF(fmt, ...) printf(fmt, ## __VA_ARGS__)
-#else
-#define DEBUG_PRINTF(fmt, ...)
-#endif
+#define DEBUG_PRINTF(fmt, ...) if (should_log) printf(fmt, ## __VA_ARGS__)
 
 typedef struct _NXMapTable {
     void *prototype;
@@ -111,7 +106,8 @@ struct ClassInfo
 uint32_t
 __lldb_apple_objc_v2_get_dynamic_class_info (void *gdb_objc_realized_classes_ptr,
                                              void *class_infos_ptr,
-                                             uint32_t class_infos_byte_size)
+                                             uint32_t class_infos_byte_size,
+                                             uint32_t should_log)
 {
     DEBUG_PRINTF ("gdb_objc_realized_classes_ptr = %p\n", gdb_objc_realized_classes_ptr);
     DEBUG_PRINTF ("class_infos_ptr = %p\n", class_infos_ptr);
@@ -169,12 +165,7 @@ extern "C"
     int printf(const char * format, ...);
 }
 
-// #define ENABLE_DEBUG_PRINTF // COMMENT THIS LINE OUT PRIOR TO CHECKIN
-#ifdef ENABLE_DEBUG_PRINTF
-#define DEBUG_PRINTF(fmt, ...) printf(fmt, ## __VA_ARGS__)
-#else
-#define DEBUG_PRINTF(fmt, ...)
-#endif
+#define DEBUG_PRINTF(fmt, ...) if (should_log) printf(fmt, ## __VA_ARGS__)
 
 
 struct objc_classheader_t {
@@ -223,7 +214,8 @@ struct ClassInfo
 uint32_t
 __lldb_apple_objc_v2_get_shared_cache_class_info (void *objc_opt_ro_ptr,
                                                   void *class_infos_ptr,
-                                                  uint32_t class_infos_byte_size)
+                                                  uint32_t class_infos_byte_size,
+                                                  uint32_t should_log)
 {
     uint32_t idx = 0;
     DEBUG_PRINTF ("objc_opt_ro_ptr = %p\n", objc_opt_ro_ptr);
@@ -1451,6 +1443,7 @@ AppleObjCRuntimeV2::UpdateISAToDescriptorMapDynamic(RemoteNXMapTable &hash_table
         value.SetValueType (Value::eValueTypeScalar);
         value.SetCompilerType (clang_uint32_t_type);
         arguments.PushValue (value);
+        arguments.PushValue (value);
         
         get_class_info_function = m_get_class_info_code->MakeFunctionCaller(clang_uint32_t_type,
                                                                             arguments,
@@ -1492,12 +1485,14 @@ AppleObjCRuntimeV2::UpdateISAToDescriptorMapDynamic(RemoteNXMapTable &hash_table
         return false;
     
     Mutex::Locker locker(m_get_class_info_args_mutex);
-    
+
     // Fill in our function argument values
     arguments.GetValueAtIndex(0)->GetScalar() = hash_table.GetTableLoadAddress();
     arguments.GetValueAtIndex(1)->GetScalar() = class_infos_addr;
     arguments.GetValueAtIndex(2)->GetScalar() = class_infos_byte_size;
+    arguments.GetValueAtIndex(3)->GetScalar() = (GetLogIfAllCategoriesSet(LIBLLDB_LOG_TYPES) == nullptr ? 0 : 1);
 
+    
     bool success = false;
 
     diagnostics.Clear();
@@ -1711,6 +1706,7 @@ AppleObjCRuntimeV2::UpdateISAToDescriptorMapSharedCache()
         //value.SetContext (Value::eContextTypeClangType, clang_uint32_t_type);
         value.SetCompilerType (clang_uint32_t_type);
         arguments.PushValue (value);
+        arguments.PushValue (value);
         
         get_shared_cache_class_info_function = m_get_shared_cache_class_info_code->MakeFunctionCaller(clang_uint32_t_type,
                                                                                                       arguments,
@@ -1746,6 +1742,8 @@ AppleObjCRuntimeV2::UpdateISAToDescriptorMapSharedCache()
     arguments.GetValueAtIndex(0)->GetScalar() = objc_opt_ptr;
     arguments.GetValueAtIndex(1)->GetScalar() = class_infos_addr;
     arguments.GetValueAtIndex(2)->GetScalar() = class_infos_byte_size;
+    arguments.GetValueAtIndex(3)->GetScalar() = (GetLogIfAllCategoriesSet(LIBLLDB_LOG_TYPES) == nullptr ? 0 : 1);
+    
 
     bool success = false;
     bool any_found = false;