1 /* 2 * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved. 3 * Copyright 2007, 2008, 2009, 2010 Red Hat, Inc. 4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 5 * 6 * This code is free software; you can redistribute it and/or modify it 7 * under the terms of the GNU General Public License version 2 only, as 8 * published by the Free Software Foundation. 9 * 10 * This code is distributed in the hope that it will be useful, but WITHOUT 11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 13 * version 2 for more details (a copy is included in the LICENSE file that 14 * accompanied this code). 15 * 16 * You should have received a copy of the GNU General Public License version 17 * 2 along with this work; if not, write to the Free Software Foundation, 18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 19 * 20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 21 * or visit www.oracle.com if you need additional information or have any 22 * questions. 23 * 24 */ 25 26 #ifndef CPU_ZERO_VM_FRAME_ZERO_INLINE_HPP 27 #define CPU_ZERO_VM_FRAME_ZERO_INLINE_HPP 28 29 // Constructors 30 31 inline frame::frame() { 32 _zeroframe = NULL; 33 _sp = NULL; 34 _pc = NULL; 35 _cb = NULL; 36 _deopt_state = unknown; 37 } 38 39 inline frame::frame(ZeroFrame* zf, intptr_t* sp) { 40 _zeroframe = zf; 41 _sp = sp; 42 switch (zeroframe()->type()) { 43 case ZeroFrame::ENTRY_FRAME: 44 _pc = StubRoutines::call_stub_return_pc(); 45 _cb = NULL; 46 break; 47 48 case ZeroFrame::INTERPRETER_FRAME: 49 _pc = NULL; 50 _cb = NULL; 51 break; 52 53 case ZeroFrame::SHARK_FRAME: 54 _pc = zero_sharkframe()->pc(); 55 _cb = CodeCache::find_blob_unsafe(pc()); 56 break; 57 58 case ZeroFrame::FAKE_STUB_FRAME: 59 _pc = NULL; 60 _cb = NULL; 61 break; 62 63 default: 64 ShouldNotReachHere(); 65 } 66 _deopt_state = not_deoptimized; 67 } 68 69 // Accessors 70 71 inline intptr_t* frame::sender_sp() const { 72 return fp() + 1; 73 } 74 75 inline intptr_t* frame::link() const { 76 ShouldNotCallThis(); 77 } 78 79 #ifdef CC_INTERP 80 inline interpreterState frame::get_interpreterState() const { 81 return zero_interpreterframe()->interpreter_state(); 82 } 83 84 inline intptr_t** frame::interpreter_frame_locals_addr() const { 85 return &(get_interpreterState()->_locals); 86 } 87 88 inline intptr_t* frame::interpreter_frame_bcx_addr() const { 89 return (intptr_t*) &(get_interpreterState()->_bcp); 90 } 91 92 inline constantPoolCacheOop* frame::interpreter_frame_cache_addr() const { 93 return &(get_interpreterState()->_constants); 94 } 95 96 inline methodOop* frame::interpreter_frame_method_addr() const { 97 return &(get_interpreterState()->_method); 98 } 99 100 inline intptr_t* frame::interpreter_frame_mdx_addr() const { 101 return (intptr_t*) &(get_interpreterState()->_mdx); 102 } 103 104 inline intptr_t* frame::interpreter_frame_tos_address() const { 105 return get_interpreterState()->_stack + 1; 106 } 107 #endif // CC_INTERP 108 109 inline int frame::interpreter_frame_monitor_size() { 110 return BasicObjectLock::size(); 111 } 112 113 inline intptr_t* frame::interpreter_frame_expression_stack() const { 114 intptr_t* monitor_end = (intptr_t*) interpreter_frame_monitor_end(); 115 return monitor_end - 1; 116 } 117 118 inline jint frame::interpreter_frame_expression_stack_direction() { 119 return -1; 120 } 121 122 // Return a unique id for this frame. The id must have a value where 123 // we can distinguish identity and younger/older relationship. NULL 124 // represents an invalid (incomparable) frame. 125 inline intptr_t* frame::id() const { 126 return fp(); 127 } 128 129 inline JavaCallWrapper* frame::entry_frame_call_wrapper() const { 130 return zero_entryframe()->call_wrapper(); 131 } 132 133 inline void frame::set_saved_oop_result(RegisterMap* map, oop obj) { 134 ShouldNotCallThis(); 135 } 136 137 inline oop frame::saved_oop_result(RegisterMap* map) const { 138 ShouldNotCallThis(); 139 } 140 141 inline bool frame::is_older(intptr_t* id) const { 142 ShouldNotCallThis(); 143 } 144 145 inline intptr_t* frame::entry_frame_argument_at(int offset) const { 146 ShouldNotCallThis(); 147 } 148 149 inline intptr_t* frame::unextended_sp() const { 150 if (zeroframe()->is_shark_frame()) 151 return zero_sharkframe()->unextended_sp(); 152 else 153 return (intptr_t *) -1; 154 } 155 156 #endif // CPU_ZERO_VM_FRAME_ZERO_INLINE_HPP