1 /*
   2  * Copyright (c) 2003, 2010, 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 // Constructors
  30 
  31 inline frame::frame() {
  32   _zeroframe = NULL;
  33   _sp = NULL;
  34   _pc = NULL;
  35   _cb = NULL;
  36   _deopt_state = unknown;
  37 }
  38 
  39 inline frame::frame(ZeroFrame* zf, intptr_t* sp) {
  40   _zeroframe = zf;
  41   _sp = sp;
  42   switch (zeroframe()->type()) {
  43   case ZeroFrame::ENTRY_FRAME:
  44     _pc = StubRoutines::call_stub_return_pc();
  45     _cb = NULL;
  46     break;
  47 
  48   case ZeroFrame::INTERPRETER_FRAME:
  49     _pc = NULL;
  50     _cb = NULL;
  51     break;
  52 
  53   case ZeroFrame::SHARK_FRAME:
  54     _pc = zero_sharkframe()->pc();
  55     _cb = CodeCache::find_blob_unsafe(pc());
  56     break;
  57 
  58   case ZeroFrame::FAKE_STUB_FRAME:
  59     _pc = NULL;
  60     _cb = NULL;
  61     break;
  62 
  63   default:
  64     ShouldNotReachHere();
  65   }
  66   _deopt_state = not_deoptimized;
  67 }
  68 
  69 // Accessors
  70 
  71 inline intptr_t* frame::sender_sp() const {
  72   return fp() + 1;
  73 }
  74 
  75 inline intptr_t* frame::link() const {
  76   ShouldNotCallThis();
  77 }
  78 
  79 #ifdef CC_INTERP
  80 inline interpreterState frame::get_interpreterState() const {
  81   return zero_interpreterframe()->interpreter_state();
  82 }
  83 
  84 inline intptr_t** frame::interpreter_frame_locals_addr() const {
  85   return &(get_interpreterState()->_locals);
  86 }
  87 
  88 inline intptr_t* frame::interpreter_frame_bcx_addr() const {
  89   return (intptr_t*) &(get_interpreterState()->_bcp);
  90 }
  91 
  92 inline constantPoolCacheOop* frame::interpreter_frame_cache_addr() const {
  93   return &(get_interpreterState()->_constants);
  94 }
  95 
  96 inline methodOop* frame::interpreter_frame_method_addr() const {
  97   return &(get_interpreterState()->_method);
  98 }
  99 
 100 inline intptr_t* frame::interpreter_frame_mdx_addr() const {
 101   return (intptr_t*) &(get_interpreterState()->_mdx);
 102 }
 103 
 104 inline intptr_t* frame::interpreter_frame_tos_address() const {
 105   return get_interpreterState()->_stack + 1;
 106 }
 107 #endif // CC_INTERP
 108 
 109 inline int frame::interpreter_frame_monitor_size() {
 110   return BasicObjectLock::size();
 111 }
 112 
 113 inline intptr_t* frame::interpreter_frame_expression_stack() const {
 114   intptr_t* monitor_end = (intptr_t*) interpreter_frame_monitor_end();
 115   return monitor_end - 1;
 116 }
 117 
 118 inline jint frame::interpreter_frame_expression_stack_direction() {
 119   return -1;
 120 }
 121 
 122 // Return a unique id for this frame. The id must have a value where
 123 // we can distinguish identity and younger/older relationship. NULL
 124 // represents an invalid (incomparable) frame.
 125 inline intptr_t* frame::id() const {
 126   return fp();
 127 }
 128 
 129 inline JavaCallWrapper* frame::entry_frame_call_wrapper() const {
 130   return zero_entryframe()->call_wrapper();
 131 }
 132 
 133 inline void frame::set_saved_oop_result(RegisterMap* map, oop obj) {
 134   ShouldNotCallThis();
 135 }
 136 
 137 inline oop frame::saved_oop_result(RegisterMap* map) const {
 138   ShouldNotCallThis();
 139 }
 140 
 141 inline bool frame::is_older(intptr_t* id) const {
 142   ShouldNotCallThis();
 143 }
 144 
 145 inline intptr_t* frame::entry_frame_argument_at(int offset) const {
 146   ShouldNotCallThis();
 147 }
 148 
 149 inline intptr_t* frame::unextended_sp() const {
 150   if (zeroframe()->is_shark_frame())
 151     return zero_sharkframe()->unextended_sp();
 152   else
 153     return (intptr_t *) -1;
 154 }
 155 
 156 #endif // CPU_ZERO_VM_FRAME_ZERO_INLINE_HPP