Mercurial > hg > truffle
annotate src/share/vm/runtime/stackValueCollection.cpp @ 6972:bd7a7ce2e264
6830717: replay of compilations would help with debugging
Summary: When java process crashed in compiler thread, repeat the compilation process will help finding root cause. This is done with using SA dump application class data and replay data from core dump, then use debug version of jvm to recompile the problematic java method.
Reviewed-by: kvn, twisti, sspitsyn
Contributed-by: yumin.qi@oracle.com
author | minqi |
---|---|
date | Mon, 12 Nov 2012 14:03:53 -0800 |
parents | 1d1603768966 |
children | 78bbf4d43a14 |
rev | line source |
---|---|
0 | 1 /* |
2426
1d1603768966
7010070: Update all 2010 Oracle-changed OpenJDK files to have the proper copyright dates - second pass
trims
parents:
2192
diff
changeset
|
2 * Copyright (c) 2001, 2011, 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 * | |
1552
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
0
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
0
diff
changeset
|
20 * or visit www.oracle.com if you need additional information or have any |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
0
diff
changeset
|
21 * questions. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #include "precompiled.hpp" |
26 #include "runtime/stackValueCollection.hpp" | |
27 #ifdef TARGET_ARCH_x86 | |
28 # include "jniTypes_x86.hpp" | |
29 #endif | |
30 #ifdef TARGET_ARCH_sparc | |
31 # include "jniTypes_sparc.hpp" | |
32 #endif | |
33 #ifdef TARGET_ARCH_zero | |
34 # include "jniTypes_zero.hpp" | |
35 #endif | |
2192
b92c45f2bc75
7016023: Enable building ARM and PPC from src/closed repository
bobv
parents:
1972
diff
changeset
|
36 #ifdef TARGET_ARCH_arm |
b92c45f2bc75
7016023: Enable building ARM and PPC from src/closed repository
bobv
parents:
1972
diff
changeset
|
37 # include "jniTypes_arm.hpp" |
b92c45f2bc75
7016023: Enable building ARM and PPC from src/closed repository
bobv
parents:
1972
diff
changeset
|
38 #endif |
b92c45f2bc75
7016023: Enable building ARM and PPC from src/closed repository
bobv
parents:
1972
diff
changeset
|
39 #ifdef TARGET_ARCH_ppc |
b92c45f2bc75
7016023: Enable building ARM and PPC from src/closed repository
bobv
parents:
1972
diff
changeset
|
40 # include "jniTypes_ppc.hpp" |
b92c45f2bc75
7016023: Enable building ARM and PPC from src/closed repository
bobv
parents:
1972
diff
changeset
|
41 #endif |
0 | 42 |
43 jint StackValueCollection::int_at(int slot) const { | |
44 intptr_t val = at(slot)->get_int(); | |
45 jint ival = *((jint*) (&val)); | |
46 return ival; | |
47 } | |
48 | |
49 jlong StackValueCollection::long_at(int slot) const { | |
50 #ifdef _LP64 | |
51 return at(slot+1)->get_int(); | |
52 #else | |
53 union { | |
54 jlong jl; | |
55 jint array[2]; | |
56 } value; | |
57 // Interpreter stack is reversed in memory: | |
58 // low memory location is in higher java local slot. | |
59 value.array[0] = at(slot+1)->get_int(); | |
60 value.array[1] = at(slot )->get_int(); | |
61 return value.jl; | |
62 #endif | |
63 } | |
64 | |
65 Handle StackValueCollection::obj_at(int slot) const { | |
66 return at(slot)->get_obj(); | |
67 } | |
68 | |
69 jfloat StackValueCollection::float_at(int slot) const { | |
70 intptr_t res = at(slot)->get_int(); | |
71 return *((jfloat*) (&res)); | |
72 } | |
73 | |
74 jdouble StackValueCollection::double_at(int slot) const { | |
75 #ifdef _LP64 | |
76 intptr_t res = at(slot+1)->get_int(); | |
77 return *((jdouble*) (&res)); | |
78 #else | |
79 union { | |
80 jdouble jd; | |
81 jint array[2]; | |
82 } value; | |
83 // Interpreter stack is reversed in memory: | |
84 // low memory location is in higher java local slot. | |
85 value.array[0] = at(slot+1)->get_int(); | |
86 value.array[1] = at(slot )->get_int(); | |
87 return value.jd; | |
88 #endif | |
89 } | |
90 | |
91 void StackValueCollection::set_int_at(int slot, jint value) { | |
92 intptr_t val; | |
93 *((jint*) (&val)) = value; | |
94 at(slot)->set_int(val); | |
95 } | |
96 | |
97 void StackValueCollection::set_long_at(int slot, jlong value) { | |
98 #ifdef _LP64 | |
99 at(slot+1)->set_int(value); | |
100 #else | |
101 union { | |
102 jlong jl; | |
103 jint array[2]; | |
104 } x; | |
105 // Interpreter stack is reversed in memory: | |
106 // low memory location is in higher java local slot. | |
107 x.jl = value; | |
108 at(slot+1)->set_int(x.array[0]); | |
109 at(slot+0)->set_int(x.array[1]); | |
110 #endif | |
111 } | |
112 | |
113 void StackValueCollection::set_obj_at(int slot, Handle value) { | |
114 at(slot)->set_obj(value); | |
115 } | |
116 | |
117 void StackValueCollection::set_float_at(int slot, jfloat value) { | |
118 #ifdef _LP64 | |
119 union { | |
120 intptr_t jd; | |
121 jint array[2]; | |
122 } val; | |
123 // Interpreter stores 32 bit floats in first half of 64 bit word. | |
124 val.array[0] = *(jint*)(&value); | |
125 val.array[1] = 0; | |
126 at(slot)->set_int(val.jd); | |
127 #else | |
128 at(slot)->set_int(*(jint*)(&value)); | |
129 #endif | |
130 } | |
131 | |
132 void StackValueCollection::set_double_at(int slot, jdouble value) { | |
133 #ifdef _LP64 | |
134 at(slot+1)->set_int(*(intptr_t*)(&value)); | |
135 #else | |
136 union { | |
137 jdouble jd; | |
138 jint array[2]; | |
139 } x; | |
140 // Interpreter stack is reversed in memory: | |
141 // low memory location is in higher java local slot. | |
142 x.jd = value; | |
143 at(slot+1)->set_int(x.array[0]); | |
144 at(slot+0)->set_int(x.array[1]); | |
145 #endif | |
146 } | |
147 | |
148 #ifndef PRODUCT | |
149 void StackValueCollection::print() { | |
150 for(int index = 0; index < size(); index++) { | |
151 tty->print("\t %2d ", index); | |
152 at(index)->print_on(tty); | |
153 if( at(index )->type() == T_INT && | |
154 index+1 < size() && | |
155 at(index+1)->type() == T_INT ) { | |
156 tty->print(" " INT64_FORMAT " (long)", long_at(index)); | |
157 tty->cr(); | |
158 tty->print("\t %.15e (double)", double_at(index)); | |
159 tty->print(" " PTR64_FORMAT " (longhex)", long_at(index)); | |
160 } | |
161 tty->cr(); | |
162 } | |
163 } | |
164 #endif |