jdk

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/*
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 * Copyright (c) 2003, 2023, Oracle and/or its affiliates. All rights reserved.
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 * Copyright 2008 Red Hat, Inc.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 *
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 */
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#include "precompiled.hpp"
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#include "asm/assembler.hpp"
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#include "interpreter/interpreter.hpp"
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#include "interpreter/interpreterRuntime.hpp"
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#include "interpreter/zero/bytecodeInterpreter.inline.hpp"
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#include "oops/klass.inline.hpp"
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#include "oops/methodData.hpp"
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#include "oops/method.hpp"
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#include "oops/oop.inline.hpp"
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#include "runtime/deoptimization.hpp"
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#include "runtime/frame.inline.hpp"
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#include "runtime/sharedRuntime.hpp"
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#include "runtime/stubRoutines.hpp"
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#include "runtime/synchronizer.hpp"
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#include "runtime/vframeArray.hpp"
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#include "utilities/debug.hpp"
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const char *BytecodeInterpreter::name_of_field_at_address(address addr) {
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#define DO(member) {if (addr == (address) &(member)) return XSTR(member);}
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  DO(_thread);
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  DO(_bcp);
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  DO(_locals);
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  DO(_constants);
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  DO(_method);
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  DO(_mirror);
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  DO(_stack);
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  DO(_msg);
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  DO(_result);
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  DO(_prev_link);
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  DO(_oop_temp);
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  DO(_stack_base);
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  DO(_stack_limit);
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  DO(_monitor_base);
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  DO(_self_link);
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#undef DO
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  if (addr > (address) &_result && addr < (address) (&_result + 1))
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    return "_result)";
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  return nullptr;
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}
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void BytecodeInterpreter::layout_interpreterState(interpreterState istate,
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                                                  frame*    caller,
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                                                  frame*    current,
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                                                  Method* method,
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                                                  intptr_t* locals,
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                                                  intptr_t* stack,
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                                                  intptr_t* stack_base,
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                                                  intptr_t* monitor_base,
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                                                  intptr_t* frame_bottom,
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                                                  bool      is_top_frame) {
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  istate->set_locals(locals);
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  istate->set_method(method);
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  istate->set_mirror(method->method_holder()->java_mirror());
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  istate->set_self_link(istate);
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  istate->set_prev_link(nullptr);
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  // thread will be set by a hacky repurposing of frame::patch_pc()
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  // bcp will be set by vframeArrayElement::unpack_on_stack()
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  istate->set_constants(method->constants()->cache());
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  istate->set_msg(BytecodeInterpreter::method_resume);
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  istate->set_bcp_advance(0);
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  istate->set_oop_temp(nullptr);
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  if (caller->is_interpreted_frame()) {
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    interpreterState prev = caller->get_interpreterState();
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    prev->set_callee(method);
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    if (*prev->bcp() == Bytecodes::_invokeinterface)
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      prev->set_bcp_advance(5);
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    else
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      prev->set_bcp_advance(3);
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  }
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  istate->set_callee(nullptr);
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  istate->set_monitor_base((BasicObjectLock *) monitor_base);
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  istate->set_stack_base(stack_base);
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  istate->set_stack(stack);
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  istate->set_stack_limit(stack_base - method->max_stack() - 1);
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}
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