1 /*
   2  * Copyright (c) 1997, 2013, 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_RUNTIME_FRAME_INLINE_HPP
  26 #define SHARE_VM_RUNTIME_FRAME_INLINE_HPP
  27 
  28 #include "interpreter/bytecodeInterpreter.hpp"
  29 #include "interpreter/bytecodeInterpreter.inline.hpp"
  30 #include "interpreter/interpreter.hpp"
  31 #include "oops/method.hpp"
  32 #include "runtime/frame.hpp"
  33 #include "runtime/signature.hpp"
  34 #ifdef TARGET_ARCH_x86
  35 # include "jniTypes_x86.hpp"
  36 #endif
  37 #ifdef TARGET_ARCH_sparc
  38 # include "jniTypes_sparc.hpp"
  39 #endif
  40 #ifdef TARGET_ARCH_zero
  41 # include "jniTypes_zero.hpp"
  42 #endif
  43 #ifdef TARGET_ARCH_arm
  44 # include "jniTypes_arm.hpp"
  45 #endif
  46 #ifdef TARGET_ARCH_ppc
  47 # include "jniTypes_ppc.hpp"
  48 #endif
  49 #ifdef ZERO
  50 #ifdef TARGET_ARCH_zero
  51 # include "entryFrame_zero.hpp"
  52 # include "fakeStubFrame_zero.hpp"
  53 # include "interpreterFrame_zero.hpp"
  54 # include "sharkFrame_zero.hpp"
  55 #endif
  56 #endif
  57 
  58 // This file holds platform-independent bodies of inline functions for frames.
  59 
  60 // Note: The bcx usually contains the bcp; however during GC it contains the bci
  61 //       (changed by gc_prologue() and gc_epilogue()) to be Method* position
  62 //       independent. These accessors make sure the correct value is returned
  63 //       by testing the range of the bcx value. bcp's are guaranteed to be above
  64 //       max_method_code_size, since methods are always allocated in OldSpace and
  65 //       Eden is allocated before OldSpace.
  66 //
  67 //       The bcp is accessed sometimes during GC for ArgumentDescriptors; than
  68 //       the correct translation has to be performed (was bug).
  69 
  70 inline bool frame::is_bci(intptr_t bcx) {
  71 #ifdef _LP64
  72   return ((uintptr_t) bcx) <= ((uintptr_t) max_method_code_size) ;
  73 #else
  74   return 0 <= bcx && bcx <= max_method_code_size;
  75 #endif
  76 }
  77 
  78 inline bool frame::is_entry_frame() const {
  79   return StubRoutines::returns_to_call_stub(pc());
  80 }
  81 
  82 inline bool frame::is_stub_frame() const {
  83   return StubRoutines::is_stub_code(pc()) || (_cb != NULL && _cb->is_adapter_blob());
  84 }
  85 
  86 inline bool frame::is_first_frame() const {
  87   return is_entry_frame() && entry_frame_is_first();
  88 }
  89 
  90 // here are the platform-dependent bodies:
  91 
  92 #ifdef TARGET_ARCH_x86
  93 # include "frame_x86.inline.hpp"
  94 #endif
  95 #ifdef TARGET_ARCH_sparc
  96 # include "frame_sparc.inline.hpp"
  97 #endif
  98 #ifdef TARGET_ARCH_zero
  99 # include "frame_zero.inline.hpp"
 100 #endif
 101 #ifdef TARGET_ARCH_arm
 102 # include "frame_arm.inline.hpp"
 103 #endif
 104 #ifdef TARGET_ARCH_ppc
 105 # include "frame_ppc.inline.hpp"
 106 #endif
 107 
 108 
 109 #endif // SHARE_VM_RUNTIME_FRAME_INLINE_HPP