# HG changeset patch
# User coleenp
# Date 1303841083 14400
# Node ID 01147d8aac1d970dbd9b50643acf3aaa781be4bf
# Parent  cdd13dce903e5f3e681a65f19162c90ed6a35404
7009923: JSR 292: VM crash in JavaThread::last_frame
Summary: Handle stack overflow before the first frame is called, by printing out the called method and not walking the stack.
Reviewed-by: dholmes, phh, dsamersoff

diff -r cdd13dce903e -r 01147d8aac1d src/share/vm/classfile/javaClasses.cpp
--- a/src/share/vm/classfile/javaClasses.cpp	Sat Apr 23 00:33:38 2011 -0400
+++ b/src/share/vm/classfile/javaClasses.cpp	Tue Apr 26 14:04:43 2011 -0400
@@ -1357,7 +1357,7 @@
 };
 
 
-void java_lang_Throwable::fill_in_stack_trace(Handle throwable, TRAPS) {
+void java_lang_Throwable::fill_in_stack_trace(Handle throwable, methodHandle method, TRAPS) {
   if (!StackTraceInThrowable) return;
   ResourceMark rm(THREAD);
 
@@ -1374,6 +1374,16 @@
   JavaThread* thread = (JavaThread*)THREAD;
   BacktraceBuilder bt(CHECK);
 
+  // If there is no Java frame just return the method that was being called
+  // with bci 0
+  if (!thread->has_last_Java_frame()) {
+    if (max_depth >= 1 && method() != NULL) {
+      bt.push(method(), 0, CHECK);
+      set_backtrace(throwable(), bt.backtrace());
+    }
+    return;
+  }
+
   // Instead of using vframe directly, this version of fill_in_stack_trace
   // basically handles everything by hand. This significantly improved the
   // speed of this method call up to 28.5% on Solaris sparc. 27.1% on Windows.
@@ -1477,7 +1487,7 @@
   set_backtrace(throwable(), bt.backtrace());
 }
 
-void java_lang_Throwable::fill_in_stack_trace(Handle throwable) {
+void java_lang_Throwable::fill_in_stack_trace(Handle throwable, methodHandle method) {
   // No-op if stack trace is disabled
   if (!StackTraceInThrowable) {
     return;
@@ -1491,7 +1501,7 @@
   PRESERVE_EXCEPTION_MARK;
 
   JavaThread* thread = JavaThread::active();
-  fill_in_stack_trace(throwable, thread);
+  fill_in_stack_trace(throwable, method, thread);
   // ignore exceptions thrown during stack trace filling
   CLEAR_PENDING_EXCEPTION;
 }
diff -r cdd13dce903e -r 01147d8aac1d src/share/vm/classfile/javaClasses.hpp
--- a/src/share/vm/classfile/javaClasses.hpp	Sat Apr 23 00:33:38 2011 -0400
+++ b/src/share/vm/classfile/javaClasses.hpp	Tue Apr 26 14:04:43 2011 -0400
@@ -440,8 +440,8 @@
   static void fill_in_stack_trace_of_preallocated_backtrace(Handle throwable);
 
   // Fill in current stack trace, can cause GC
-  static void fill_in_stack_trace(Handle throwable, TRAPS);
-  static void fill_in_stack_trace(Handle throwable);
+  static void fill_in_stack_trace(Handle throwable, methodHandle method, TRAPS);
+  static void fill_in_stack_trace(Handle throwable, methodHandle method = methodHandle());
   // Programmatic access to stack trace
   static oop  get_stack_trace_element(oop throwable, int index, TRAPS);
   static int  get_stack_trace_depth(oop throwable, TRAPS);
diff -r cdd13dce903e -r 01147d8aac1d src/share/vm/runtime/javaCalls.cpp
--- a/src/share/vm/runtime/javaCalls.cpp	Sat Apr 23 00:33:38 2011 -0400
+++ b/src/share/vm/runtime/javaCalls.cpp	Tue Apr 26 14:04:43 2011 -0400
@@ -389,7 +389,7 @@
   // to Java
   if (!os::stack_shadow_pages_available(THREAD, method)) {
     // Throw stack overflow exception with preinitialized exception.
-    Exceptions::throw_stack_overflow_exception(THREAD, __FILE__, __LINE__);
+    Exceptions::throw_stack_overflow_exception(THREAD, __FILE__, __LINE__, method);
     return;
   } else {
     // Touch pages checked if the OS needs them to be touched to be mapped.
diff -r cdd13dce903e -r 01147d8aac1d src/share/vm/utilities/exceptions.cpp
--- a/src/share/vm/utilities/exceptions.cpp	Sat Apr 23 00:33:38 2011 -0400
+++ b/src/share/vm/utilities/exceptions.cpp	Tue Apr 26 14:04:43 2011 -0400
@@ -207,7 +207,7 @@
 }
 
 
-void Exceptions::throw_stack_overflow_exception(Thread* THREAD, const char* file, int line) {
+void Exceptions::throw_stack_overflow_exception(Thread* THREAD, const char* file, int line, methodHandle method) {
   Handle exception;
   if (!THREAD->has_pending_exception()) {
     klassOop k = SystemDictionary::StackOverflowError_klass();
@@ -215,13 +215,13 @@
     exception = Handle(THREAD, e);  // fill_in_stack trace does gc
     assert(instanceKlass::cast(k)->is_initialized(), "need to increase min_stack_allowed calculation");
     if (StackTraceInThrowable) {
-      java_lang_Throwable::fill_in_stack_trace(exception);
+      java_lang_Throwable::fill_in_stack_trace(exception, method());
     }
   } else {
     // if prior exception, throw that one instead
     exception = Handle(THREAD, THREAD->pending_exception());
   }
-  _throw_oop(THREAD, file, line, exception());
+  _throw(THREAD, file, line, exception);
 }
 
 void Exceptions::fthrow(Thread* thread, const char* file, int line, Symbol* h_name, const char* format, ...) {
diff -r cdd13dce903e -r 01147d8aac1d src/share/vm/utilities/exceptions.hpp
--- a/src/share/vm/utilities/exceptions.hpp	Sat Apr 23 00:33:38 2011 -0400
+++ b/src/share/vm/utilities/exceptions.hpp	Tue Apr 26 14:04:43 2011 -0400
@@ -144,7 +144,7 @@
                              const char* message,
                              ExceptionMsgToUtf8Mode to_utf8_safe = safe_to_utf8);
 
-  static void throw_stack_overflow_exception(Thread* thread, const char* file, int line);
+  static void throw_stack_overflow_exception(Thread* thread, const char* file, int line, methodHandle method);
 
   // for AbortVMOnException flag
   NOT_PRODUCT(static void debug_check_abort(Handle exception, const char* message = NULL);)