jdk8-mips64-public/hotspot: src/cpu/zero/vm/frame

     1 /*

     2  * Copyright (c) 2003, 2013, 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  */

    26 #ifndef CPU_ZERO_VM_FRAME_ZERO_INLINE_HPP

    27 #define CPU_ZERO_VM_FRAME_ZERO_INLINE_HPP

    29 // Constructors

    31 inline frame::frame() {

    32   _zeroframe = NULL;

    33   _sp = NULL;

    34   _pc = NULL;

    35   _cb = NULL;

    36   _deopt_state = unknown;

    37 }

    39 inline address  frame::sender_pc()           const { ShouldNotCallThis(); return NULL; }

    41 inline frame::frame(ZeroFrame* zf, intptr_t* sp) {

    42   _zeroframe = zf;

    43   _sp = sp;

    44   switch (zeroframe()->type()) {

    45   case ZeroFrame::ENTRY_FRAME:

    46     _pc = StubRoutines::call_stub_return_pc();

    47     _cb = NULL;

    48     _deopt_state = not_deoptimized;

    49     break;

    51   case ZeroFrame::INTERPRETER_FRAME:

    52     _pc = NULL;

    53     _cb = NULL;

    54     _deopt_state = not_deoptimized;

    55     break;

    57   case ZeroFrame::SHARK_FRAME: {

    58     _pc = zero_sharkframe()->pc();

    59     _cb = CodeCache::find_blob_unsafe(pc());

    60     address original_pc = nmethod::get_deopt_original_pc(this);

    61     if (original_pc != NULL) {

    62       _pc = original_pc;

    63       _deopt_state = is_deoptimized;

    64     } else {

    65       _deopt_state = not_deoptimized;

    66     }

    67     break;

    68   }

    69   case ZeroFrame::FAKE_STUB_FRAME:

    70     _pc = NULL;

    71     _cb = NULL;

    72     _deopt_state = not_deoptimized;

    73     break;

    75   default:

    76     ShouldNotReachHere();

    77   }

    78 }

    80 // Accessors

    82 inline intptr_t* frame::sender_sp() const {

    83   return fp() + 1;

    84 }

    86 inline intptr_t* frame::real_fp() const {

    87   return fp();

    88 }

    90 inline intptr_t* frame::link() const {

    91   ShouldNotCallThis();

    92   return NULL;

    93 }

    95 #ifdef CC_INTERP

    96 inline interpreterState frame::get_interpreterState() const {

    97   return zero_interpreterframe()->interpreter_state();

    98 }

   100 inline intptr_t** frame::interpreter_frame_locals_addr() const {

   101   return &(get_interpreterState()->_locals);

   102 }

   104 inline intptr_t* frame::interpreter_frame_bcx_addr() const {

   105   return (intptr_t*) &(get_interpreterState()->_bcp);

   106 }

   108 inline ConstantPoolCache** frame::interpreter_frame_cache_addr() const {

   109   return &(get_interpreterState()->_constants);

   110 }

   112 inline Method** frame::interpreter_frame_method_addr() const {

   113   return &(get_interpreterState()->_method);

   114 }

   116 inline intptr_t* frame::interpreter_frame_mdx_addr() const {

   117   return (intptr_t*) &(get_interpreterState()->_mdx);

   118 }

   120 inline intptr_t* frame::interpreter_frame_tos_address() const {

   121   return get_interpreterState()->_stack + 1;

   122 }

   123 #endif // CC_INTERP

   125 inline int frame::interpreter_frame_monitor_size() {

   126   return BasicObjectLock::size();

   127 }

   129 inline intptr_t* frame::interpreter_frame_expression_stack() const {

   130   intptr_t* monitor_end = (intptr_t*) interpreter_frame_monitor_end();

   131   return monitor_end - 1;

   132 }

   134 inline jint frame::interpreter_frame_expression_stack_direction() {

   135   return -1;

   136 }

   138 // Return a unique id for this frame. The id must have a value where

   139 // we can distinguish identity and younger/older relationship. NULL

   140 // represents an invalid (incomparable) frame.

   141 inline intptr_t* frame::id() const {

   142   return fp();

   143 }

   145 inline JavaCallWrapper** frame::entry_frame_call_wrapper_addr() const {

   146   return zero_entryframe()->call_wrapper();

   147 }

   149 inline void frame::set_saved_oop_result(RegisterMap* map, oop obj) {

   150   ShouldNotCallThis();

   151 }

   153 inline oop frame::saved_oop_result(RegisterMap* map) const {

   154   ShouldNotCallThis();

   155   return NULL;

   156 }

   158 inline bool frame::is_older(intptr_t* id) const {

   159   ShouldNotCallThis();

   160   return false;

   161 }

   163 inline intptr_t* frame::entry_frame_argument_at(int offset) const {

   164   ShouldNotCallThis();

   165   return NULL;

   166 }

   168 inline intptr_t* frame::unextended_sp() const {

   169   if (zeroframe()->is_shark_frame())

   170     return zero_sharkframe()->unextended_sp();

   171   else

   172     return (intptr_t *) -1;

   173 }

   175 #endif // CPU_ZERO_VM_FRAME_ZERO_INLINE_HPP

src/cpu/zero/vm/frame_zero.inline.hpp@a9becfeecd1b