frame_zero.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// A frame represents a physical stack frame on the Zero stack. 27 28 public: 29 enum { 30 pc_return_offset = 0 31 }; 32 33 // Constructor 34 public: 35 frame(ZeroFrame* zeroframe, intptr_t* sp); 36 37 private: 38 ZeroFrame* _zeroframe; 39 40 public: 41 const ZeroFrame *zeroframe() const { 42 return _zeroframe; 43 } 44 45 intptr_t* fp() const { 46 return (intptr_t *) zeroframe(); 47 } 48 49#ifdef CC_INTERP 50 inline interpreterState get_interpreterState() const; 51#endif // CC_INTERP 52 53 public: 54 const EntryFrame *zero_entryframe() const { 55 return zeroframe()->as_entry_frame(); 56 } 57 const InterpreterFrame *zero_interpreterframe() const { 58 return zeroframe()->as_interpreter_frame(); 59 } 60 const SharkFrame *zero_sharkframe() const { 61 return zeroframe()->as_shark_frame(); 62 } 63 64 public: 65 bool is_fake_stub_frame() const; 66 67 public: 68 frame sender_for_nonentry_frame(RegisterMap* map) const; 69 70 public: 71 void zero_print_on_error(int index, 72 outputStream* st, 73 char* buf, 74 int buflen) const; 75