1 /* 2 * Copyright (c) 2003, 2012, 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 address frame::sender_pc() const { ShouldNotCallThis(); } 40 41 inline frame::frame(ZeroFrame* zf, intptr_t* sp) { 42 _zeroframe = zf; 43 _sp = sp; 44 switch (zeroframe()->type()) { 45 case ZeroFrame::ENTRY_FRAME: 46 _pc = StubRoutines::call_stub_return_pc(); 47 _cb = NULL; 48 _deopt_state = not_deoptimized; 49 break; 50 51 case ZeroFrame::INTERPRETER_FRAME: 52 _pc = NULL; 53 _cb = NULL; 54 _deopt_state = not_deoptimized; 55 break; 56 57 case ZeroFrame::SHARK_FRAME: { 58 _pc = zero_sharkframe()->pc(); 59 _cb = CodeCache::find_blob_unsafe(pc()); 60 address original_pc = nmethod::get_deopt_original_pc(this); 61 if (original_pc != NULL) { 62 _pc = original_pc; 63 _deopt_state = is_deoptimized; 64 } else { 65 _deopt_state = not_deoptimized; 66 } 67 break; 68 } 69 case ZeroFrame::FAKE_STUB_FRAME: 70 _pc = NULL; 71 _cb = NULL; 72 _deopt_state = not_deoptimized; 73 break; 74 75 default: 76 ShouldNotReachHere(); 77 } 78 } 79 80 // Accessors 81 82 inline intptr_t* frame::sender_sp() const { 83 return fp() + 1; 84 } 85 86 inline intptr_t* frame::real_fp() const { 87 return fp(); 88 } 89 90 inline intptr_t* frame::link() const { 91 ShouldNotCallThis(); 92 } 93 94 #ifdef CC_INTERP 95 inline interpreterState frame::get_interpreterState() const { 96 return zero_interpreterframe()->interpreter_state(); 97 } 98 99 inline intptr_t** frame::interpreter_frame_locals_addr() const { 100 return &(get_interpreterState()->_locals); 101 } 102 103 inline intptr_t* frame::interpreter_frame_bcx_addr() const { 104 return (intptr_t*) &(get_interpreterState()->_bcp); 105 } 106 107 inline ConstantPoolCache** frame::interpreter_frame_cache_addr() const { 108 return &(get_interpreterState()->_constants); 109 } 110 111 inline Method** frame::interpreter_frame_method_addr() const { 112 return &(get_interpreterState()->_method); 113 } 114 115 inline intptr_t* frame::interpreter_frame_mdx_addr() const { 116 return (intptr_t*) &(get_interpreterState()->_mdx); 117 } 118 119 inline intptr_t* frame::interpreter_frame_tos_address() const { 120 return get_interpreterState()->_stack + 1; 121 } 122 #endif // CC_INTERP 123 124 inline int frame::interpreter_frame_monitor_size() { 125 return BasicObjectLock::size(); 126 } 127 128 inline intptr_t* frame::interpreter_frame_expression_stack() const { 129 intptr_t* monitor_end = (intptr_t*) interpreter_frame_monitor_end(); 130 return monitor_end - 1; 131 } 132 133 inline jint frame::interpreter_frame_expression_stack_direction() { 134 return -1; 135 } 136 137 // Return a unique id for this frame. The id must have a value where 138 // we can distinguish identity and younger/older relationship. NULL 139 // represents an invalid (incomparable) frame. 140 inline intptr_t* frame::id() const { 141 return fp(); 142 } 143 144 inline JavaCallWrapper** frame::entry_frame_call_wrapper_addr() const { 145 return zero_entryframe()->call_wrapper(); 146 } 147 148 inline void frame::set_saved_oop_result(RegisterMap* map, oop obj) { 149 ShouldNotCallThis(); 150 } 151 152 inline oop frame::saved_oop_result(RegisterMap* map) const { 153 ShouldNotCallThis(); 154 } 155 156 inline bool frame::is_older(intptr_t* id) const { 157 ShouldNotCallThis(); 158 } 159 160 inline intptr_t* frame::entry_frame_argument_at(int offset) const { 161 ShouldNotCallThis(); 162 } 163 164 inline intptr_t* frame::unextended_sp() const { 165 if (zeroframe()->is_shark_frame()) 166 return zero_sharkframe()->unextended_sp(); 167 else 168 return (intptr_t *) -1; 169 } 170 171 #endif // CPU_ZERO_VM_FRAME_ZERO_INLINE_HPP