Mercurial > hg > truffle
annotate src/share/vm/oops/oop.cpp @ 1681:126ea7725993
6953477: Increase portability and flexibility of building Hotspot
Summary: A collection of portability improvements including shared code support for PPC, ARM platforms, software floating point, cross compilation support and improvements in error crash detail.
Reviewed-by: phh, never, coleenp, dholmes
author | bobv |
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date | Tue, 03 Aug 2010 08:13:38 -0400 |
parents | c18cbe5936b8 |
children | f95d63e2154a |
rev | line source |
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0 | 1 /* |
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2 * Copyright (c) 1997, 2009, Oracle and/or its affiliates. All rights reserved. |
0 | 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 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
25 # include "incls/_precompiled.incl" | |
26 # include "incls/_oop.cpp.incl" | |
27 | |
28 bool always_do_update_barrier = false; | |
29 | |
30 BarrierSet* oopDesc::_bs = NULL; | |
31 | |
32 void oopDesc::print_on(outputStream* st) const { | |
33 if (this == NULL) { | |
34 st->print_cr("NULL"); | |
35 } else { | |
36 blueprint()->oop_print_on(oop(this), st); | |
37 } | |
38 } | |
39 | |
40 void oopDesc::print_address_on(outputStream* st) const { | |
41 if (PrintOopAddress) { | |
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42 st->print("{"INTPTR_FORMAT"}", this); |
0 | 43 } |
44 } | |
45 | |
46 void oopDesc::print() { print_on(tty); } | |
47 | |
48 void oopDesc::print_address() { print_address_on(tty); } | |
49 | |
50 char* oopDesc::print_string() { | |
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51 stringStream st; |
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52 print_on(&st); |
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53 return st.as_string(); |
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54 } |
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55 |
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56 void oopDesc::print_value() { |
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57 print_value_on(tty); |
0 | 58 } |
59 | |
60 char* oopDesc::print_value_string() { | |
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61 char buf[100]; |
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62 stringStream st(buf, sizeof(buf)); |
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63 print_value_on(&st); |
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64 return st.as_string(); |
0 | 65 } |
66 | |
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67 void oopDesc::print_value_on(outputStream* st) const { |
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68 oop obj = oop(this); |
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69 if (this == NULL) { |
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70 st->print("NULL"); |
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71 } else if (java_lang_String::is_instance(obj)) { |
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72 java_lang_String::print(obj, st); |
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73 if (PrintOopAddress) print_address_on(st); |
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74 #ifdef ASSERT |
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75 } else if (!Universe::heap()->is_in(obj) || !Universe::heap()->is_in(klass())) { |
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76 st->print("### BAD OOP %p ###", (address)obj); |
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77 #endif //ASSERT |
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78 } else { |
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79 blueprint()->oop_print_value_on(obj, st); |
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80 } |
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81 } |
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82 |
0 | 83 |
84 void oopDesc::verify_on(outputStream* st) { | |
85 if (this != NULL) { | |
86 blueprint()->oop_verify_on(this, st); | |
87 } | |
88 } | |
89 | |
90 | |
91 void oopDesc::verify() { | |
92 verify_on(tty); | |
93 } | |
94 | |
95 | |
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96 // XXX verify_old_oop doesn't do anything (should we remove?) |
0 | 97 void oopDesc::verify_old_oop(oop* p, bool allow_dirty) { |
98 blueprint()->oop_verify_old_oop(this, p, allow_dirty); | |
99 } | |
100 | |
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101 void oopDesc::verify_old_oop(narrowOop* p, bool allow_dirty) { |
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102 blueprint()->oop_verify_old_oop(this, p, allow_dirty); |
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103 } |
0 | 104 |
105 bool oopDesc::partially_loaded() { | |
106 return blueprint()->oop_partially_loaded(this); | |
107 } | |
108 | |
109 | |
110 void oopDesc::set_partially_loaded() { | |
111 blueprint()->oop_set_partially_loaded(this); | |
112 } | |
113 | |
114 | |
115 intptr_t oopDesc::slow_identity_hash() { | |
116 // slow case; we have to acquire the micro lock in order to locate the header | |
117 ResetNoHandleMark rnm; // Might be called from LEAF/QUICK ENTRY | |
118 HandleMark hm; | |
119 Handle object((oop)this); | |
120 assert(!is_shared_readonly(), "using identity hash on readonly object?"); | |
121 return ObjectSynchronizer::identity_hash_value_for(object); | |
122 } | |
123 | |
124 VerifyOopClosure VerifyOopClosure::verify_oop; | |
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125 |
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126 void VerifyOopClosure::do_oop(oop* p) { VerifyOopClosure::do_oop_work(p); } |
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127 void VerifyOopClosure::do_oop(narrowOop* p) { VerifyOopClosure::do_oop_work(p); } |