Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/cpu/x86/vm/templateInterpreter_x86_64.cpp
src/cpu/x86/vm/templateInterpreter_x86_64.cpp
- changeset 6723
- 0bf37f737702
- parent 6558
- 2100bf712e2a
- child 6876
- 710a3c8b516e
- child 8368
- 32b682649973
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| 6721:ad51f24671c2 | 6723:0bf37f737702 |
|---|---|
| 1693 const int method_stack = (method->max_locals() + method->max_stack()) * | 1693 const int method_stack = (method->max_locals() + method->max_stack()) * |
| 1694 Interpreter::stackElementWords; | 1694 Interpreter::stackElementWords; |
| 1695 return (overhead_size + method_stack + stub_code); | 1695 return (overhead_size + method_stack + stub_code); |
| 1696 } | 1696 } |
| 1697 | 1697 |
| 1698 int AbstractInterpreter::layout_activation(Method* method, | |
| 1699 int tempcount, | |
| 1700 int popframe_extra_args, | |
| 1701 int moncount, | |
| 1702 int caller_actual_parameters, | |
| 1703 int callee_param_count, | |
| 1704 int callee_locals, | |
| 1705 frame* caller, | |
| 1706 frame* interpreter_frame, | |
| 1707 bool is_top_frame, | |
| 1708 bool is_bottom_frame) { | |
| 1709 // Note: This calculation must exactly parallel the frame setup | |
| 1710 // in AbstractInterpreterGenerator::generate_method_entry. | |
| 1711 // If interpreter_frame!=NULL, set up the method, locals, and monitors. | |
| 1712 // The frame interpreter_frame, if not NULL, is guaranteed to be the | |
| 1713 // right size, as determined by a previous call to this method. | |
| 1714 // It is also guaranteed to be walkable even though it is in a skeletal state | |
| 1715 | |
| 1716 // fixed size of an interpreter frame: | |
| 1717 int max_locals = method->max_locals() * Interpreter::stackElementWords; | |
| 1718 int extra_locals = (method->max_locals() - method->size_of_parameters()) * | |
| 1719 Interpreter::stackElementWords; | |
| 1720 | |
| 1721 int overhead = frame::sender_sp_offset - | |
| 1722 frame::interpreter_frame_initial_sp_offset; | |
| 1723 // Our locals were accounted for by the caller (or last_frame_adjust | |
| 1724 // on the transistion) Since the callee parameters already account | |
| 1725 // for the callee's params we only need to account for the extra | |
| 1726 // locals. | |
| 1727 int size = overhead + | |
| 1728 (callee_locals - callee_param_count)*Interpreter::stackElementWords + | |
| 1729 moncount * frame::interpreter_frame_monitor_size() + | |
| 1730 tempcount* Interpreter::stackElementWords + popframe_extra_args; | |
| 1731 if (interpreter_frame != NULL) { | |
| 1732 #ifdef ASSERT | |
| 1733 if (!EnableInvokeDynamic) | |
| 1734 // @@@ FIXME: Should we correct interpreter_frame_sender_sp in the calling sequences? | |
| 1735 // Probably, since deoptimization doesn't work yet. | |
| 1736 assert(caller->unextended_sp() == interpreter_frame->interpreter_frame_sender_sp(), "Frame not properly walkable"); | |
| 1737 assert(caller->sp() == interpreter_frame->sender_sp(), "Frame not properly walkable(2)"); | |
| 1738 #endif | |
| 1739 | |
| 1740 interpreter_frame->interpreter_frame_set_method(method); | |
| 1741 // NOTE the difference in using sender_sp and | |
| 1742 // interpreter_frame_sender_sp interpreter_frame_sender_sp is | |
| 1743 // the original sp of the caller (the unextended_sp) and | |
| 1744 // sender_sp is fp+16 XXX | |
| 1745 intptr_t* locals = interpreter_frame->sender_sp() + max_locals - 1; | |
| 1746 | |
| 1747 #ifdef ASSERT | |
| 1748 if (caller->is_interpreted_frame()) { | |
| 1749 assert(locals < caller->fp() + frame::interpreter_frame_initial_sp_offset, "bad placement"); | |
| 1750 } | |
| 1751 #endif | |
| 1752 | |
| 1753 interpreter_frame->interpreter_frame_set_locals(locals); | |
| 1754 BasicObjectLock* montop = interpreter_frame->interpreter_frame_monitor_begin(); | |
| 1755 BasicObjectLock* monbot = montop - moncount; | |
| 1756 interpreter_frame->interpreter_frame_set_monitor_end(monbot); | |
| 1757 | |
| 1758 // Set last_sp | |
| 1759 intptr_t* esp = (intptr_t*) monbot - | |
| 1760 tempcount*Interpreter::stackElementWords - | |
| 1761 popframe_extra_args; | |
| 1762 interpreter_frame->interpreter_frame_set_last_sp(esp); | |
| 1763 | |
| 1764 // All frames but the initial (oldest) interpreter frame we fill in have | |
| 1765 // a value for sender_sp that allows walking the stack but isn't | |
| 1766 // truly correct. Correct the value here. | |
| 1767 if (extra_locals != 0 && | |
| 1768 interpreter_frame->sender_sp() == | |
| 1769 interpreter_frame->interpreter_frame_sender_sp()) { | |
| 1770 interpreter_frame->set_interpreter_frame_sender_sp(caller->sp() + | |
| 1771 extra_locals); | |
| 1772 } | |
| 1773 *interpreter_frame->interpreter_frame_cache_addr() = | |
| 1774 method->constants()->cache(); | |
| 1775 } | |
| 1776 return size; | |
| 1777 } | |
| 1778 | |
| 1779 //----------------------------------------------------------------------------- | 1698 //----------------------------------------------------------------------------- |
| 1780 // Exceptions | 1699 // Exceptions |
| 1781 | 1700 |
| 1782 void TemplateInterpreterGenerator::generate_throw_exception() { | 1701 void TemplateInterpreterGenerator::generate_throw_exception() { |
| 1783 // Entry point in previous activation (i.e., if the caller was | 1702 // Entry point in previous activation (i.e., if the caller was |
