1.1 --- a/src/share/vm/c1/c1_IR.cpp Mon Jun 09 15:42:31 2014 -0700
1.2 +++ b/src/share/vm/c1/c1_IR.cpp Tue Apr 01 09:36:49 2014 +0200
1.3 @@ -226,8 +226,38 @@
1.4 _oop_map->set_oop(name);
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 CodeEmitInfo::interpreter_frame_size() const {
1.11 + ValueStack* state = _stack;
1.12 + int size = 0;
1.13 + int callee_parameters = 0;
1.14 + int callee_locals = 0;
1.15 + int extra_args = state->scope()->method()->max_stack() - state->stack_size();
1.16
1.17 + while (state != NULL) {
1.18 + int locks = state->locks_size();
1.19 + int temps = state->stack_size();
1.20 + bool is_top_frame = (state == _stack);
1.21 + ciMethod* method = state->scope()->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 + state = state->caller_state();
1.36 + }
1.37 + return size + Deoptimization::last_frame_adjust(0, callee_locals) * BytesPerWord;
1.38 +}
1.39
1.40 // Implementation of IR
1.41
