1.1 --- a/src/share/vm/opto/callnode.cpp Mon Jun 09 15:42:31 2014 -0700
1.2 +++ b/src/share/vm/opto/callnode.cpp Tue Apr 01 09:36:49 2014 +0200
1.3 @@ -607,6 +607,39 @@
1.4 }
1.5 }
1.6
1.7 +// Mirror the stack size calculation in the deopt code
1.8 +// How much stack space would we need at this point in the program in
1.9 +// case of deoptimization?
1.10 +int JVMState::interpreter_frame_size() const {
1.11 + const JVMState* jvms = this;
1.12 + int size = 0;
1.13 + int callee_parameters = 0;
1.14 + int callee_locals = 0;
1.15 + int extra_args = method()->max_stack() - stk_size();
1.16 +
1.17 + while (jvms != NULL) {
1.18 + int locks = jvms->nof_monitors();
1.19 + int temps = jvms->stk_size();
1.20 + bool is_top_frame = (jvms == this);
1.21 + ciMethod* method = jvms->method();
1.22 +
1.23 + int frame_size = BytesPerWord * Interpreter::size_activation(method->max_stack(),
1.24 + temps + callee_parameters,
1.25 + extra_args,
1.26 + locks,
1.27 + callee_parameters,
1.28 + callee_locals,
1.29 + is_top_frame);
1.30 + size += frame_size;
1.31 +
1.32 + callee_parameters = method->size_of_parameters();
1.33 + callee_locals = method->max_locals();
1.34 + extra_args = 0;
1.35 + jvms = jvms->caller();
1.36 + }
1.37 + return size + Deoptimization::last_frame_adjust(0, callee_locals) * BytesPerWord;
1.38 +}
1.39 +
1.40 //=============================================================================
1.41 uint CallNode::cmp( const Node &n ) const
1.42 { return _tf == ((CallNode&)n)._tf && _jvms == ((CallNode&)n)._jvms; }
