1 /*
   2  * Copyright (c) 1997, 2018, 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 TARGET_ARCH_aarch32
  50 # include "jniTypes_aarch32.hpp"
  51 #endif
  52 #ifdef TARGET_ARCH_zero
  53 # include "entryFrame_zero.hpp"
  54 # include "fakeStubFrame_zero.hpp"
  55 # include "interpreterFrame_zero.hpp"
  56 # include "sharkFrame_zero.hpp"
  57 #endif
  58 
  59 // This file holds platform-independent bodies of inline functions for frames.
  60 
  61 // Note: The bcx usually contains the bcp; however during GC it contains the bci
  62 //       (changed by gc_prologue() and gc_epilogue()) to be Method* position
  63 //       independent. These accessors make sure the correct value is returned
  64 //       by testing the range of the bcx value. bcp's are guaranteed to be above
  65 //       max_method_code_size, since methods are always allocated in OldSpace and
  66 //       Eden is allocated before OldSpace.
  67 //
  68 //       The bcp is accessed sometimes during GC for ArgumentDescriptors; than
  69 //       the correct translation has to be performed (was bug).
  70 
  71 inline bool frame::is_bci(intptr_t bcx) {
  72 #ifdef _LP64
  73   return ((uintptr_t) bcx) <= ((uintptr_t) max_method_code_size) ;
  74 #else
  75   return 0 <= bcx && bcx <= max_method_code_size;
  76 #endif
  77 }
  78 
  79 inline bool frame::is_entry_frame() const {
  80   return StubRoutines::returns_to_call_stub(pc());
  81 }
  82 
  83 inline bool frame::is_stub_frame() const {
  84   return StubRoutines::is_stub_code(pc()) || (_cb != NULL && _cb->is_adapter_blob());
  85 }
  86 
  87 inline bool frame::is_first_frame() const {
  88   return is_entry_frame() && entry_frame_is_first();
  89 }
  90 
  91 #ifdef CC_INTERP
  92 inline oop* frame::interpreter_frame_temp_oop_addr() const {
  93   interpreterState istate = get_interpreterState();
  94   return (oop *)&istate->_oop_temp;
  95 }
  96 #endif // CC_INTERP
  97 
  98 // here are the platform-dependent bodies:
  99 
 100 #ifdef TARGET_ARCH_x86
 101 # include "frame_x86.inline.hpp"
 102 #endif
 103 #ifdef TARGET_ARCH_sparc
 104 # include "frame_sparc.inline.hpp"
 105 #endif
 106 #ifdef TARGET_ARCH_zero
 107 # include "frame_zero.inline.hpp"
 108 #endif
 109 #ifdef TARGET_ARCH_arm
 110 # include "frame_arm.inline.hpp"
 111 #endif
 112 #ifdef TARGET_ARCH_ppc
 113 # include "frame_ppc.inline.hpp"
 114 #endif
 115 #ifdef TARGET_ARCH_aarch32
 116 # include "frame_aarch32.inline.hpp"
 117 #endif
 118 
 119 
 120 #endif // SHARE_VM_RUNTIME_FRAME_INLINE_HPP