Revision: 12443
Author: [email protected]
Date: Wed Sep 5 05:30:49 2012
Log: Push stacktrace and die if the receiver is of unknown type.
Review URL: https://chromiumcodereview.appspot.com/10917086
http://code.google.com/p/v8/source/detail?r=12443
Modified:
/branches/bleeding_edge/src/isolate.cc
/branches/bleeding_edge/src/isolate.h
/branches/bleeding_edge/src/objects.cc
=======================================
--- /branches/bleeding_edge/src/isolate.cc Tue Aug 28 07:43:28 2012
+++ /branches/bleeding_edge/src/isolate.cc Wed Sep 5 05:30:49 2012
@@ -533,6 +533,24 @@
return factory()->empty_symbol();
}
}
+
+
+void Isolate::PushStackTraceAndDie(unsigned int magic,
+ Object* object,
+ Map* map,
+ unsigned int magic2) {
+ const int kMaxStackTraceSize = 8192;
+ Handle<String> trace = StackTraceString();
+ char buffer[kMaxStackTraceSize];
+ int length = Min(kMaxStackTraceSize - 1, trace->length());
+ String::WriteToFlat(*trace, buffer, 0, length);
+ buffer[length] = '\0';
+ OS::PrintError("Stacktrace (%x-%x) %p %p: %s\n",
+ magic, magic2,
+ static_cast<void*>(object), static_cast<void*>(map),
+ buffer);
+ OS::Abort();
+}
void Isolate::CaptureAndSetCurrentStackTraceFor(Handle<JSObject>
error_object) {
=======================================
--- /branches/bleeding_edge/src/isolate.h Tue Aug 28 04:25:08 2012
+++ /branches/bleeding_edge/src/isolate.h Wed Sep 5 05:30:49 2012
@@ -707,6 +707,10 @@
void PrintStack(StringStream* accumulator);
void PrintStack();
Handle<String> StackTraceString();
+ NO_INLINE(void PushStackTraceAndDie(unsigned int magic,
+ Object* object,
+ Map* map,
+ unsigned int magic2));
Handle<JSArray> CaptureCurrentStackTrace(
int frame_limit,
StackTrace::StackTraceOptions options);
=======================================
--- /branches/bleeding_edge/src/objects.cc Mon Sep 3 06:27:17 2012
+++ /branches/bleeding_edge/src/objects.cc Wed Sep 5 05:30:49 2012
@@ -141,6 +141,9 @@
holder = native_context->string_function()->instance_prototype();
} else if (IsBoolean()) {
holder = native_context->boolean_function()->instance_prototype();
+ } else {
+ Isolate::Current()->PushStackTraceAndDie(
+ 0xDEAD0000, this, JSReceiver::cast(this)->map(), 0xDEAD0001);
}
}
ASSERT(holder != NULL); // Cannot handle null or undefined.
--
v8-dev mailing list
[email protected]
http://groups.google.com/group/v8-dev
