1 /* 2 * Copyright 2003-2007 Sun Microsystems, Inc. All Rights Reserved. 3 * Copyright 2007, 2008, 2009 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, 21 * CA 95054 USA or visit www.sun.com if you need additional information or 22 * have any questions. 23 * 24 */ 25 26 // Constructors 27 28 inline frame::frame() { 29 _sp = NULL; 30 _fp = NULL; 31 _pc = NULL; 32 _cb = NULL; 33 _deopt_state = unknown; 34 } 35 36 inline frame::frame(intptr_t* sp, intptr_t* fp) { 37 _sp = sp; 38 _fp = fp; 39 switch (zeroframe()->type()) { 40 case ZeroFrame::ENTRY_FRAME: 41 _pc = StubRoutines::call_stub_return_pc(); 42 _cb = NULL; 43 break; 44 45 case ZeroFrame::INTERPRETER_FRAME: 46 _pc = NULL; 47 _cb = NULL; 48 break; 49 50 case ZeroFrame::SHARK_FRAME: 51 _pc = zero_sharkframe()->pc(); 52 _cb = CodeCache::find_blob_unsafe(pc()); 53 break; 54 55 case ZeroFrame::FAKE_STUB_FRAME: 56 _pc = NULL; 57 _cb = NULL; 58 break; 59 60 default: 61 ShouldNotReachHere(); 62 } 63 _deopt_state = not_deoptimized; 64 } 65 66 // Accessors 67 68 inline intptr_t* frame::sender_sp() const { 69 return (intptr_t *) zeroframe()->next(); 70 } 71 72 inline intptr_t* frame::link() const { 73 ShouldNotCallThis(); 74 } 75 76 #ifdef CC_INTERP 77 inline interpreterState frame::get_interpreterState() const { 78 return zero_interpreterframe()->interpreter_state(); 79 } 80 81 inline intptr_t** frame::interpreter_frame_locals_addr() const { 82 return &(get_interpreterState()->_locals); 83 } 84 85 inline intptr_t* frame::interpreter_frame_bcx_addr() const { 86 return (intptr_t*) &(get_interpreterState()->_bcp); 87 } 88 89 inline constantPoolCacheOop* frame::interpreter_frame_cache_addr() const { 90 return &(get_interpreterState()->_constants); 91 } 92 93 inline methodOop* frame::interpreter_frame_method_addr() const { 94 return &(get_interpreterState()->_method); 95 } 96 97 inline intptr_t* frame::interpreter_frame_mdx_addr() const { 98 return (intptr_t*) &(get_interpreterState()->_mdx); 99 } 100 101 inline intptr_t* frame::interpreter_frame_tos_address() const { 102 return get_interpreterState()->_stack + 1; 103 } 104 #endif // CC_INTERP 105 106 inline int frame::interpreter_frame_monitor_size() { 107 return BasicObjectLock::size(); 108 } 109 110 inline intptr_t* frame::interpreter_frame_expression_stack() const { 111 intptr_t* monitor_end = (intptr_t*) interpreter_frame_monitor_end(); 112 return monitor_end - 1; 113 } 114 115 inline jint frame::interpreter_frame_expression_stack_direction() { 116 return -1; 117 } 118 119 // Return a unique id for this frame. The id must have a value where 120 // we can distinguish identity and younger/older relationship. NULL 121 // represents an invalid (incomparable) frame. 122 inline intptr_t* frame::id() const { 123 return sp(); 124 } 125 126 inline JavaCallWrapper* frame::entry_frame_call_wrapper() const { 127 return zero_entryframe()->call_wrapper(); 128 } 129 130 inline void frame::set_saved_oop_result(RegisterMap* map, oop obj) { 131 ShouldNotCallThis(); 132 } 133 134 inline oop frame::saved_oop_result(RegisterMap* map) const { 135 ShouldNotCallThis(); 136 } 137 138 inline bool frame::is_older(intptr_t* id) const { 139 ShouldNotCallThis(); 140 } 141 142 inline intptr_t* frame::entry_frame_argument_at(int offset) const { 143 ShouldNotCallThis(); 144 } 145 146 inline intptr_t* frame::unextended_sp() const { 147 if (zeroframe()->is_shark_frame()) 148 return zero_sharkframe()->unextended_sp(); 149 else 150 return (intptr_t *) -1; 151 }