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annotate src/share/vm/runtime/frame.inline.hpp @ 13212:eb03a7335eb0

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Use fixed instead of virtual register for target in far foreign call, since the register allocator does not support virtual registers to be used at call sites.
author Christian Wimmer <christian.wimmer@oracle.com>
date Mon, 02 Dec 2013 14:20:32 -0800
parents f2110083203d
children 78112be27ba0
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1 /*
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2 * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 *
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23 */
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24
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25 #ifndef SHARE_VM_RUNTIME_FRAME_INLINE_HPP
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26 #define SHARE_VM_RUNTIME_FRAME_INLINE_HPP
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27
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28 #include "interpreter/bytecodeInterpreter.hpp"
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29 #include "interpreter/bytecodeInterpreter.inline.hpp"
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30 #include "interpreter/interpreter.hpp"
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31 #include "oops/method.hpp"
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32 #include "runtime/frame.hpp"
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33 #include "runtime/signature.hpp"
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34 #ifdef TARGET_ARCH_x86
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35 # include "jniTypes_x86.hpp"
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36 #endif
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37 #ifdef TARGET_ARCH_sparc
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38 # include "jniTypes_sparc.hpp"
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39 #endif
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40 #ifdef TARGET_ARCH_zero
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41 # include "jniTypes_zero.hpp"
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42 #endif
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43 #ifdef TARGET_ARCH_arm
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44 # include "jniTypes_arm.hpp"
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45 #endif
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46 #ifdef TARGET_ARCH_ppc
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47 # include "jniTypes_ppc.hpp"
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48 #endif
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49 #ifdef ZERO
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50 #ifdef TARGET_ARCH_zero
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51 # include "entryFrame_zero.hpp"
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52 # include "fakeStubFrame_zero.hpp"
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53 # include "interpreterFrame_zero.hpp"
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54 # include "sharkFrame_zero.hpp"
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55 #endif
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56 #endif
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57
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58 // This file holds platform-independent bodies of inline functions for frames.
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59
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60 // Note: The bcx usually contains the bcp; however during GC it contains the bci
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61 // (changed by gc_prologue() and gc_epilogue()) to be Method* position
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62 // independent. These accessors make sure the correct value is returned
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63 // by testing the range of the bcx value. bcp's are guaranteed to be above
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64 // max_method_code_size, since methods are always allocated in OldSpace and
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65 // Eden is allocated before OldSpace.
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66 //
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67 // The bcp is accessed sometimes during GC for ArgumentDescriptors; than
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68 // the correct translation has to be performed (was bug).
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69
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70 inline bool frame::is_bci(intptr_t bcx) {
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71 #ifdef _LP64
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72 return ((uintptr_t) bcx) <= ((uintptr_t) max_method_code_size) ;
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73 #else
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74 return 0 <= bcx && bcx <= max_method_code_size;
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75 #endif
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76 }
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77
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78 inline bool frame::is_entry_frame() const {
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79 return StubRoutines::returns_to_call_stub(pc());
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80 }
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81
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82 inline bool frame::is_stub_frame() const {
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83 return StubRoutines::is_stub_code(pc()) || (_cb != NULL && _cb->is_adapter_blob());
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84 }
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85
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86 inline bool frame::is_first_frame() const {
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87 return is_entry_frame() && entry_frame_is_first();
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88 }
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89
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90 // here are the platform-dependent bodies:
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91
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92 #ifdef TARGET_ARCH_x86
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93 # include "frame_x86.inline.hpp"
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94 #endif
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95 #ifdef TARGET_ARCH_sparc
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96 # include "frame_sparc.inline.hpp"
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97 #endif
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98 #ifdef TARGET_ARCH_zero
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99 # include "frame_zero.inline.hpp"
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100 #endif
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101 #ifdef TARGET_ARCH_arm
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102 # include "frame_arm.inline.hpp"
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103 #endif
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104 #ifdef TARGET_ARCH_ppc
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105 # include "frame_ppc.inline.hpp"
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106 #endif
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107
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108
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109 #endif // SHARE_VM_RUNTIME_FRAME_INLINE_HPP