1 /* 2 * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved. 3 * Copyright (c) 2013 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 break; 49 50 case ZeroFrame::INTERPRETER_FRAME: 51 _pc = NULL; 52 _cb = NULL; 53 break; 54 55 case ZeroFrame::SHARK_FRAME: 56 _pc = zero_sharkframe()->pc(); 57 _cb = CodeCache::find_blob_unsafe(pc()); 58 break; 59 60 case ZeroFrame::FAKE_STUB_FRAME: 61 _pc = NULL; 62 _cb = NULL; 63 break; 64 65 default: 66 ShouldNotReachHere(); 67 } 68 _deopt_state = not_deoptimized; 69 } 70 71 // Accessors 72 73 inline intptr_t* frame::sender_sp() const { 74 return fp() + 1; 75 } 76 77 inline intptr_t* frame::real_fp() const { 78 return fp(); 79 } 80 81 inline intptr_t* frame::link() const { 82 ShouldNotCallThis(); 83 } 84 85 #ifdef CC_INTERP 86 inline interpreterState frame::get_interpreterState() const { 87 return zero_interpreterframe()->interpreter_state(); 88 } 89 90 inline intptr_t** frame::interpreter_frame_locals_addr() const { 91 return &(get_interpreterState()->_locals); 92 } 93 94 inline intptr_t* frame::interpreter_frame_bcx_addr() const { 95 return (intptr_t*) &(get_interpreterState()->_bcp); 96 } 97 98 inline constantPoolCacheOop* frame::interpreter_frame_cache_addr() const { 99 return &(get_interpreterState()->_constants); 100 } 101 102 inline methodOop* frame::interpreter_frame_method_addr() const { 103 return &(get_interpreterState()->_method); 104 } 105 106 inline intptr_t* frame::interpreter_frame_mdx_addr() const { 107 return (intptr_t*) &(get_interpreterState()->_mdx); 108 } 109 110 inline intptr_t* frame::interpreter_frame_tos_address() const { 111 return get_interpreterState()->_stack + 1; 112 } 113 #endif // CC_INTERP 114 115 inline int frame::interpreter_frame_monitor_size() { 116 return BasicObjectLock::size(); 117 } 118 119 inline intptr_t* frame::interpreter_frame_expression_stack() const { 120 intptr_t* monitor_end = (intptr_t*) interpreter_frame_monitor_end(); 121 return monitor_end - 1; 122 } 123 124 inline jint frame::interpreter_frame_expression_stack_direction() { 125 return -1; 126 } 127 128 // Return a unique id for this frame. The id must have a value where 129 // we can distinguish identity and younger/older relationship. NULL 130 // represents an invalid (incomparable) frame. 131 inline intptr_t* frame::id() const { 132 return fp(); 133 } 134 135 inline JavaCallWrapper** frame::entry_frame_call_wrapper_addr() const { 136 return zero_entryframe()->call_wrapper(); 137 } 138 139 inline void frame::set_saved_oop_result(RegisterMap* map, oop obj) { 140 ShouldNotCallThis(); 141 } 142 143 inline oop frame::saved_oop_result(RegisterMap* map) const { 144 ShouldNotCallThis(); 145 } 146 147 inline bool frame::is_older(intptr_t* id) const { 148 ShouldNotCallThis(); 149 } 150 151 inline intptr_t* frame::entry_frame_argument_at(int offset) const { 152 ShouldNotCallThis(); 153 } 154 155 inline intptr_t* frame::unextended_sp() const { 156 if (zeroframe()->is_shark_frame()) 157 return zero_sharkframe()->unextended_sp(); 158 else 159 return (intptr_t *) -1; 160 } 161 162 #endif // CPU_ZERO_VM_FRAME_ZERO_INLINE_HPP