Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/code/location.cpp
src/share/vm/code/location.cpp
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- f90c822e73f8
- child 6876
- 710a3c8b516e
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| 1 /* | |
| 2 * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved. | |
| 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
| 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
| 20 * or visit www.oracle.com if you need additional information or have any | |
| 21 * questions. | |
| 22 * | |
| 23 */ | |
| 24 | |
| 25 #include "precompiled.hpp" | |
| 26 #include "code/debugInfo.hpp" | |
| 27 #include "code/location.hpp" | |
| 28 | |
| 29 void Location::print_on(outputStream* st) const { | |
| 30 if(type() == invalid) { | |
| 31 // product of Location::invalid_loc() or Location::Location(). | |
| 32 switch (where()) { | |
| 33 case on_stack: st->print("empty"); break; | |
| 34 case in_register: st->print("invalid"); break; | |
| 35 } | |
| 36 return; | |
| 37 } | |
| 38 switch (where()) { | |
| 39 case on_stack: st->print("stack[%d]", stack_offset()); break; | |
| 40 case in_register: st->print("reg %s [%d]", reg()->name(), register_number()); break; | |
| 41 default: st->print("Wrong location where %d", where()); | |
| 42 } | |
| 43 switch (type()) { | |
| 44 case normal: break; | |
| 45 case oop: st->print(",oop"); break; | |
| 46 case narrowoop: st->print(",narrowoop"); break; | |
| 47 case int_in_long: st->print(",int"); break; | |
| 48 case lng: st->print(",long"); break; | |
| 49 case float_in_dbl: st->print(",float"); break; | |
| 50 case dbl: st->print(",double"); break; | |
| 51 case addr: st->print(",address"); break; | |
| 52 default: st->print("Wrong location type %d", type()); | |
| 53 } | |
| 54 } | |
| 55 | |
| 56 | |
| 57 Location::Location(DebugInfoReadStream* stream) { | |
| 58 _value = (juint) stream->read_int(); | |
| 59 } | |
| 60 | |
| 61 | |
| 62 void Location::write_on(DebugInfoWriteStream* stream) { | |
| 63 stream->write_int(_value); | |
| 64 } | |
| 65 | |
| 66 | |
| 67 // Valid argument to Location::new_stk_loc()? | |
| 68 bool Location::legal_offset_in_bytes(int offset_in_bytes) { | |
| 69 if ((offset_in_bytes % BytesPerInt) != 0) return false; | |
| 70 return (juint)(offset_in_bytes / BytesPerInt) < (OFFSET_MASK >> OFFSET_SHIFT); | |
| 71 } |
