1 /*
   2  * Copyright (c) 2003, 2016, Oracle and/or its affiliates. All rights reserved.
   3  * Copyright 2007, 2008, 2009, 2010 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 #ifndef CPU_ZERO_VM_FRAME_ZERO_INLINE_HPP
  27 #define CPU_ZERO_VM_FRAME_ZERO_INLINE_HPP
  28 
  29 #include "code/codeCache.hpp"
  30 
  31 // Constructors
  32 
  33 inline frame::frame() {
  34   _zeroframe = NULL;
  35   _sp = NULL;
  36   _pc = NULL;
  37   _cb = NULL;
  38   _deopt_state = unknown;
  39 }
  40 
  41 inline address  frame::sender_pc()           const { ShouldNotCallThis(); return NULL; }
  42 
  43 inline frame::frame(ZeroFrame* zf, intptr_t* sp) {
  44   _zeroframe = zf;
  45   _sp = sp;
  46   switch (zeroframe()->type()) {
  47   case ZeroFrame::ENTRY_FRAME:
  48     _pc = StubRoutines::call_stub_return_pc();
  49     _cb = NULL;
  50     _deopt_state = not_deoptimized;
  51     break;
  52 
  53   case ZeroFrame::INTERPRETER_FRAME:
  54     _pc = NULL;
  55     _cb = NULL;
  56     _deopt_state = not_deoptimized;
  57     break;
  58 
  59   case ZeroFrame::FAKE_STUB_FRAME:
  60     _pc = NULL;
  61     _cb = NULL;
  62     _deopt_state = not_deoptimized;
  63     break;
  64 
  65   default:
  66     ShouldNotReachHere();
  67   }
  68 }
  69 
  70 // Accessors
  71 
  72 inline intptr_t* frame::sender_sp() const {
  73   return fp() + 1;
  74 }
  75 
  76 inline intptr_t* frame::real_fp() const {
  77   return fp();
  78 }
  79 
  80 inline intptr_t* frame::link() const {
  81   ShouldNotCallThis();
  82   return NULL;
  83 }
  84 
  85 #ifdef CC_INTERP
  86 inline interpreterState frame::get_interpreterState() const {
  87   return zero_interpreterframe()->interpreter_state();
  88 }
  89 
  90 inline intptr_t** frame::interpreter_frame_locals_addr() const {
  91   return &(get_interpreterState()->_locals);
  92 }
  93 
  94 inline intptr_t* frame::interpreter_frame_bcp_addr() const {
  95   return (intptr_t*) &(get_interpreterState()->_bcp);
  96 }
  97 
  98 inline ConstantPoolCache** frame::interpreter_frame_cache_addr() const {
  99   return &(get_interpreterState()->_constants);
 100 }
 101 
 102 inline Method** frame::interpreter_frame_method_addr() const {
 103   return &(get_interpreterState()->_method);
 104 }
 105 
 106 inline oop* frame::interpreter_frame_mirror_addr() const {
 107   return &(get_interpreterState()->_mirror);
 108 }
 109 
 110 inline intptr_t* frame::interpreter_frame_mdp_addr() const {
 111   return (intptr_t*) &(get_interpreterState()->_mdx);
 112 }
 113 
 114 inline intptr_t* frame::interpreter_frame_tos_address() const {
 115   return get_interpreterState()->_stack + 1;
 116 }
 117 
 118 inline oop* frame::interpreter_frame_temp_oop_addr() const {
 119   interpreterState istate = get_interpreterState();
 120   return (oop *)&istate->_oop_temp;
 121 }
 122 #endif // CC_INTERP
 123 
 124 inline int frame::interpreter_frame_monitor_size() {
 125   return BasicObjectLock::size();
 126 }
 127 
 128 inline intptr_t* frame::interpreter_frame_expression_stack() const {
 129   intptr_t* monitor_end = (intptr_t*) interpreter_frame_monitor_end();
 130   return monitor_end - 1;
 131 }
 132 
 133 inline jint frame::interpreter_frame_expression_stack_direction() {
 134   return -1;
 135 }
 136 
 137 // Return a unique id for this frame. The id must have a value where
 138 // we can distinguish identity and younger/older relationship. NULL
 139 // represents an invalid (incomparable) frame.
 140 inline intptr_t* frame::id() const {
 141   return fp();
 142 }
 143 
 144 inline JavaCallWrapper** frame::entry_frame_call_wrapper_addr() const {
 145   return zero_entryframe()->call_wrapper();
 146 }
 147 
 148 inline void frame::set_saved_oop_result(RegisterMap* map, oop obj) {
 149   ShouldNotCallThis();
 150 }
 151 
 152 inline oop frame::saved_oop_result(RegisterMap* map) const {
 153   ShouldNotCallThis();
 154   return NULL;
 155 }
 156 
 157 inline bool frame::is_older(intptr_t* id) const {
 158   ShouldNotCallThis();
 159   return false;
 160 }
 161 
 162 inline intptr_t* frame::entry_frame_argument_at(int offset) const {
 163   ShouldNotCallThis();
 164   return NULL;
 165 }
 166 
 167 inline intptr_t* frame::unextended_sp() const {
 168   return (intptr_t *) -1;
 169 }
 170 
 171 #endif // CPU_ZERO_VM_FRAME_ZERO_INLINE_HPP