frame_zero.inline.hpp revision 1472:c18cbe5936b8
1/* 2 * Copyright (c) 2003, 2007, 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// Constructors 27 28inline frame::frame() { 29 _zeroframe = NULL; 30 _sp = NULL; 31 _pc = NULL; 32 _cb = NULL; 33 _deopt_state = unknown; 34} 35 36inline frame::frame(ZeroFrame* zf, intptr_t* sp) { 37 _zeroframe = zf; 38 _sp = sp; 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 68inline intptr_t* frame::sender_sp() const { 69 return fp() + 1; 70} 71 72inline intptr_t* frame::link() const { 73 ShouldNotCallThis(); 74} 75 76#ifdef CC_INTERP 77inline interpreterState frame::get_interpreterState() const { 78 return zero_interpreterframe()->interpreter_state(); 79} 80 81inline intptr_t** frame::interpreter_frame_locals_addr() const { 82 return &(get_interpreterState()->_locals); 83} 84 85inline intptr_t* frame::interpreter_frame_bcx_addr() const { 86 return (intptr_t*) &(get_interpreterState()->_bcp); 87} 88 89inline constantPoolCacheOop* frame::interpreter_frame_cache_addr() const { 90 return &(get_interpreterState()->_constants); 91} 92 93inline methodOop* frame::interpreter_frame_method_addr() const { 94 return &(get_interpreterState()->_method); 95} 96 97inline intptr_t* frame::interpreter_frame_mdx_addr() const { 98 return (intptr_t*) &(get_interpreterState()->_mdx); 99} 100 101inline intptr_t* frame::interpreter_frame_tos_address() const { 102 return get_interpreterState()->_stack + 1; 103} 104#endif // CC_INTERP 105 106inline int frame::interpreter_frame_monitor_size() { 107 return BasicObjectLock::size(); 108} 109 110inline 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 115inline 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. 122inline intptr_t* frame::id() const { 123 return fp(); 124} 125 126inline JavaCallWrapper* frame::entry_frame_call_wrapper() const { 127 return zero_entryframe()->call_wrapper(); 128} 129 130inline void frame::set_saved_oop_result(RegisterMap* map, oop obj) { 131 ShouldNotCallThis(); 132} 133 134inline oop frame::saved_oop_result(RegisterMap* map) const { 135 ShouldNotCallThis(); 136} 137 138inline bool frame::is_older(intptr_t* id) const { 139 ShouldNotCallThis(); 140} 141 142inline intptr_t* frame::entry_frame_argument_at(int offset) const { 143 ShouldNotCallThis(); 144} 145 146inline 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} 152