X-Git-Url: https://git.cworth.org/git?a=blobdiff_plain;f=retrace%2Fretrace_swizzle.cpp;h=2045f6bb7c83eafe5e71cca35141ce19080e7a1a;hb=HEAD;hp=a7e777d45cba26e8da0abe4a6bf92900a1db5162;hpb=4647f208f5a2b87391281e0f1202f66c23943bd9;p=apitrace

diff --git a/retrace/retrace_swizzle.cpp b/retrace/retrace_swizzle.cpp
index a7e777d..2045f6b 100644
--- a/retrace/retrace_swizzle.cpp
+++ b/retrace/retrace_swizzle.cpp
@@ -255,8 +255,20 @@ toPointer(trace::Value &value, bool bind) {
 static std::map<unsigned long long, void *> _obj_map;
 
 void
-addObj(trace::Value &value, void *obj) {
+addObj(trace::Call &call, trace::Value &value, void *obj) {
     unsigned long long address = value.toUIntPtr();
+
+    if (!address) {
+        if (obj) {
+            warning(call) << "unexpected non-null object\n";
+        }
+        return;
+    }
+
+    if (!obj) {
+        warning(call) << "got null for object 0x" << std::hex << address << std::dec << "\n";
+    }
+
     _obj_map[address] = obj;
     
     if (retrace::verbosity >= 2) {
@@ -271,9 +283,18 @@ delObj(trace::Value &value) {
 }
 
 void *
-toObjPointer(trace::Value &value) {
+toObjPointer(trace::Call &call, trace::Value &value) {
     unsigned long long address = value.toUIntPtr();
-    void *obj = address ? _obj_map[address] : NULL;
+
+    void *obj;
+    if (address) {
+        obj = _obj_map[address];
+        if (!obj) {
+            warning(call) << "unknown object 0x" << std::hex << address << std::dec << "\n";
+        }
+    } else {
+        obj = NULL;
+    }
 
     if (retrace::verbosity >= 2) {
         std::cout << std::hex << "obj 0x" << address << " <- 0x" << size_t(obj) << std::dec << "\n";