1 /*
   2  * Copyright (c) 2003, 2012, Oracle and/or its affiliates. All rights reserved.
   3  * Copyright 2008 Red Hat, Inc.
   4  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   5  *
   6  * This code is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU General Public License version 2 only, as
   8  * published by the Free Software Foundation.
   9  *
  10  * This code is distributed in the hope that it will be useful, but WITHOUT
  11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  13  * version 2 for more details (a copy is included in the LICENSE file that
  14  * accompanied this code).
  15  *
  16  * You should have received a copy of the GNU General Public License version
  17  * 2 along with this work; if not, write to the Free Software Foundation,
  18  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  19  *
  20  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  21  * or visit www.oracle.com if you need additional information or have any
  22  * questions.
  23  *
  24  */
  25 
  26 #include "precompiled.hpp"
  27 #include "asm/assembler.hpp"
  28 #include "interpreter/bytecodeInterpreter.hpp"
  29 #include "interpreter/bytecodeInterpreter.inline.hpp"
  30 #include "interpreter/interpreter.hpp"
  31 #include "interpreter/interpreterRuntime.hpp"
  32 #include "oops/methodData.hpp"
  33 #include "oops/method.hpp"
  34 #include "oops/oop.inline.hpp"
  35 #include "runtime/deoptimization.hpp"
  36 #include "runtime/frame.inline.hpp"
  37 #include "runtime/sharedRuntime.hpp"
  38 #include "runtime/stubRoutines.hpp"
  39 #include "runtime/synchronizer.hpp"
  40 #include "runtime/vframeArray.hpp"
  41 #include "utilities/debug.hpp"
  42 
  43 #ifdef CC_INTERP
  44 
  45 const char *BytecodeInterpreter::name_of_field_at_address(address addr) {
  46 #define DO(member) {if (addr == (address) &(member)) return XSTR(member);}
  47   DO(_thread);
  48   DO(_bcp);
  49   DO(_locals);
  50   DO(_constants);
  51   DO(_method);
  52   DO(_mdx);
  53   DO(_stack);
  54   DO(_msg);
  55   DO(_result);
  56   DO(_prev_link);
  57   DO(_oop_temp);
  58   DO(_stack_base);
  59   DO(_stack_limit);
  60   DO(_monitor_base);
  61   DO(_self_link);
  62 #undef DO
  63   if (addr > (address) &_result && addr < (address) (&_result + 1))
  64     return "_result)";
  65   return NULL;
  66 }
  67 
  68 void BytecodeInterpreter::layout_interpreterState(interpreterState istate,
  69                                                   frame*    caller,
  70                                                   frame*    current,
  71                                                   Method* method,
  72                                                   intptr_t* locals,
  73                                                   intptr_t* stack,
  74                                                   intptr_t* stack_base,
  75                                                   intptr_t* monitor_base,
  76                                                   intptr_t* frame_bottom,
  77                                                   bool      is_top_frame) {
  78   istate->set_locals(locals);
  79   istate->set_method(method);
  80   istate->set_self_link(istate);
  81   istate->set_prev_link(NULL);
  82   // thread will be set by a hacky repurposing of frame::patch_pc()
  83   // bcp will be set by vframeArrayElement::unpack_on_stack()
  84   istate->set_constants(method->constants()->cache());
  85   istate->set_msg(BytecodeInterpreter::method_resume);
  86   istate->set_bcp_advance(0);
  87   istate->set_oop_temp(NULL);
  88   istate->set_mdx(NULL);
  89   if (caller->is_interpreted_frame()) {
  90     interpreterState prev = caller->get_interpreterState();
  91     prev->set_callee(method);
  92     if (*prev->bcp() == Bytecodes::_invokeinterface)
  93       prev->set_bcp_advance(5);
  94     else
  95       prev->set_bcp_advance(3);
  96   }
  97   istate->set_callee(NULL);
  98   istate->set_monitor_base((BasicObjectLock *) monitor_base);
  99   istate->set_stack_base(stack_base);
 100   istate->set_stack(stack);
 101   istate->set_stack_limit(stack_base - method->max_stack() - 1);
 102 }
 103 
 104 #endif // CC_INTERP