1 /*
   2  * Copyright (c) 2017, 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_VM_CODE_COMPILEDMETHOD_INLINE_HPP
  26 #define SHARE_VM_CODE_COMPILEDMETHOD_INLINE_HPP
  27 
  28 #include "code/compiledMethod.hpp"
  29 #include "code/nativeInst.hpp"
  30 #include "runtime/frame.hpp"
  31 
  32 // When using JVMCI the address might be off by the size of a call instruction.
  33 inline bool CompiledMethod::is_deopt_entry(address pc) {
  34   return pc == deopt_handler_begin()
  35 #if INCLUDE_JVMCI
  36     || (is_compiled_by_jvmci() && pc == (deopt_handler_begin() + NativeCall::instruction_size))
  37 #endif
  38     ;
  39 }
  40 
  41 inline address CompiledMethod::get_deopt_original_pc(const frame* fr) {
  42   if (fr->cb() == NULL)  return NULL;
  43 
  44   CompiledMethod* cm = fr->cb()->as_compiled_method_or_null();
  45   if (cm != NULL && cm->is_deopt_pc(fr->pc()))
  46     return cm->get_original_pc(fr);
  47 
  48   return NULL;
  49 }
  50 #endif //SHARE_VM_CODE_COMPILEDMETHOD_INLINE_HPP