1 /* 2 * Copyright (c) 1997, 2010, 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/methodOop.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 ZERO 44 #ifdef TARGET_ARCH_zero 45 # include "entryFrame_zero.hpp" 46 # include "fakeStubFrame_zero.hpp" 47 # include "interpreterFrame_zero.hpp" 48 # include "sharkFrame_zero.hpp" 49 #endif 50 #endif 51 52 // This file holds platform-independent bodies of inline functions for frames. 53 54 // Note: The bcx usually contains the bcp; however during GC it contains the bci 55 // (changed by gc_prologue() and gc_epilogue()) to be methodOop position 56 // independent. These accessors make sure the correct value is returned 57 // by testing the range of the bcx value. bcp's are guaranteed to be above 58 // max_method_code_size, since methods are always allocated in OldSpace and 59 // Eden is allocated before OldSpace. 60 // 61 // The bcp is accessed sometimes during GC for ArgumentDescriptors; than 62 // the correct translation has to be performed (was bug). 63 64 inline bool frame::is_bci(intptr_t bcx) { 65 #ifdef _LP64 66 return ((uintptr_t) bcx) <= ((uintptr_t) max_method_code_size) ; 67 #else 68 return 0 <= bcx && bcx <= max_method_code_size; 69 #endif 70 } 71 72 inline bool frame::is_entry_frame() const { 73 return StubRoutines::returns_to_call_stub(pc()); 74 } 75 76 inline bool frame::is_first_frame() const { 77 return is_entry_frame() && entry_frame_is_first(); 78 } 79 80 // here are the platform-dependent bodies: 81 82 #ifdef TARGET_ARCH_x86 83 # include "frame_x86.inline.hpp" 84 #endif 85 #ifdef TARGET_ARCH_sparc 86 # include "frame_sparc.inline.hpp" 87 #endif 88 #ifdef TARGET_ARCH_zero 89 # include "frame_zero.inline.hpp" 90 #endif 91 92 93 #endif // SHARE_VM_RUNTIME_FRAME_INLINE_HPP