Mercurial > hg > truffle
comparison src/share/vm/code/scopeDesc.cpp @ 6725:da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
Summary: Remove PermGen, allocate meta-data in metaspace linked to class loaders, rewrite GC walking, rewrite and rename metadata to be C++ classes
Reviewed-by: jmasa, stefank, never, coleenp, kvn, brutisso, mgerdin, dholmes, jrose, twisti, roland
Contributed-by: jmasa <jon.masamitsu@oracle.com>, stefank <stefan.karlsson@oracle.com>, mgerdin <mikael.gerdin@oracle.com>, never <tom.rodriguez@oracle.com>
author | coleenp |
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date | Sat, 01 Sep 2012 13:25:18 -0400 |
parents | f95d63e2154a |
children | e522a00b91aa 78bbf4d43a14 |
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6724:36d1d483d5d6 | 6725:da91efe96a93 |
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1 /* | 1 /* |
2 * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved. | 2 * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved. |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 * | 4 * |
5 * This code is free software; you can redistribute it and/or modify it | 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 | 6 * under the terms of the GNU General Public License version 2 only, as |
7 * published by the Free Software Foundation. | 7 * published by the Free Software Foundation. |
63 void ScopeDesc::decode_body() { | 63 void ScopeDesc::decode_body() { |
64 if (decode_offset() == DebugInformationRecorder::serialized_null) { | 64 if (decode_offset() == DebugInformationRecorder::serialized_null) { |
65 // This is a sentinel record, which is only relevant to | 65 // This is a sentinel record, which is only relevant to |
66 // approximate queries. Decode a reasonable frame. | 66 // approximate queries. Decode a reasonable frame. |
67 _sender_decode_offset = DebugInformationRecorder::serialized_null; | 67 _sender_decode_offset = DebugInformationRecorder::serialized_null; |
68 _method = methodHandle(_code->method()); | 68 _method = _code->method(); |
69 _bci = InvocationEntryBci; | 69 _bci = InvocationEntryBci; |
70 _locals_decode_offset = DebugInformationRecorder::serialized_null; | 70 _locals_decode_offset = DebugInformationRecorder::serialized_null; |
71 _expressions_decode_offset = DebugInformationRecorder::serialized_null; | 71 _expressions_decode_offset = DebugInformationRecorder::serialized_null; |
72 _monitors_decode_offset = DebugInformationRecorder::serialized_null; | 72 _monitors_decode_offset = DebugInformationRecorder::serialized_null; |
73 } else { | 73 } else { |
74 // decode header | 74 // decode header |
75 DebugInfoReadStream* stream = stream_at(decode_offset()); | 75 DebugInfoReadStream* stream = stream_at(decode_offset()); |
76 | 76 |
77 _sender_decode_offset = stream->read_int(); | 77 _sender_decode_offset = stream->read_int(); |
78 _method = methodHandle((methodOop) stream->read_oop()); | 78 _method = stream->read_method(); |
79 _bci = stream->read_bci(); | 79 _bci = stream->read_bci(); |
80 | 80 |
81 // decode offsets for body and sender | 81 // decode offsets for body and sender |
82 _locals_decode_offset = stream->read_int(); | 82 _locals_decode_offset = stream->read_int(); |
83 _expressions_decode_offset = stream->read_int(); | 83 _expressions_decode_offset = stream->read_int(); |
155 | 155 |
156 #ifndef PRODUCT | 156 #ifndef PRODUCT |
157 | 157 |
158 void ScopeDesc::print_value_on(outputStream* st) const { | 158 void ScopeDesc::print_value_on(outputStream* st) const { |
159 tty->print(" "); | 159 tty->print(" "); |
160 method()()->print_short_name(st); | 160 method()->print_short_name(st); |
161 int lineno = method()->line_number_from_bci(bci()); | 161 int lineno = method()->line_number_from_bci(bci()); |
162 if (lineno != -1) { | 162 if (lineno != -1) { |
163 st->print_cr("@%d (line %d)", bci(), lineno); | 163 st->print_cr("@%d (line %d)", bci(), lineno); |
164 } else { | 164 } else { |
165 st->print_cr("@%d", bci()); | 165 st->print_cr("@%d", bci()); |