1 /*
   2  * Copyright (c) 1997, 2019, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #ifndef SHARE_RUNTIME_FRAME_INLINE_HPP
  26 #define SHARE_RUNTIME_FRAME_INLINE_HPP
  27 
  28 #include "code/compiledMethod.inline.hpp"
  29 #include "interpreter/bytecodeInterpreter.hpp"
  30 #include "interpreter/bytecodeInterpreter.inline.hpp"
  31 #include "interpreter/interpreter.hpp"
  32 #include "oops/method.hpp"
  33 #include "runtime/frame.hpp"
  34 #include "runtime/signature.hpp"
  35 #include "utilities/macros.hpp"
  36 #ifdef ZERO
  37 # include "entryFrame_zero.hpp"
  38 # include "fakeStubFrame_zero.hpp"
  39 # include "interpreterFrame_zero.hpp"
  40 #endif
  41 
  42 #include CPU_HEADER_INLINE(frame)
  43 
  44 inline bool frame::is_entry_frame() const {
  45   return StubRoutines::returns_to_call_stub(pc());
  46 }
  47 
  48 inline bool frame::is_stub_frame() const {
  49   return StubRoutines::is_stub_code(pc()) || (_cb != NULL && _cb->is_adapter_blob());
  50 }
  51 
  52 inline bool frame::is_first_frame() const {
  53   return is_entry_frame() && entry_frame_is_first();
  54 }
  55 
  56 inline oop* frame::oopmapreg_to_location(VMReg reg, const RegisterMap* reg_map) const {
  57   if(reg->is_reg()) {
  58     // If it is passed in a register, it got spilled in the stub frame.
  59     return (oop *)reg_map->location(reg);
  60   } else {
  61     int sp_offset_in_bytes = reg->reg2stack() * VMRegImpl::stack_slot_size;
  62     return (oop*)(((address)unextended_sp()) + sp_offset_in_bytes);
  63   }
  64 }
  65 
  66 inline bool StackFrameStream::is_done() {
  67   return (_is_done) ? true : (_is_done = _fr.is_first_frame(), false);
  68 }
  69 
  70 #endif // SHARE_RUNTIME_FRAME_INLINE_HPP