Mercurial > hg > truffle
annotate src/share/vm/ci/ciMethodData.hpp @ 12943:996d1f2f056f
8026930: In ManagementAgent.start it should be possible to set the jdp.name parameter (hotspot part)
Summary: Pass one more property from Agent to JdpController
Reviewed-by: jbachorik, sla
author | dsamersoff |
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date | Sat, 19 Oct 2013 21:29:57 +0400 |
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0 | 1 /* |
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2 * Copyright (c) 2001, 2012, 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 | |
1972 | 25 #ifndef SHARE_VM_CI_CIMETHODDATA_HPP |
26 #define SHARE_VM_CI_CIMETHODDATA_HPP | |
27 | |
28 #include "ci/ciClassList.hpp" | |
29 #include "ci/ciKlass.hpp" | |
30 #include "ci/ciObject.hpp" | |
31 #include "ci/ciUtilities.hpp" | |
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32 #include "oops/methodData.hpp" |
1972 | 33 #include "oops/oop.inline.hpp" |
34 | |
0 | 35 class ciBitData; |
36 class ciCounterData; | |
37 class ciJumpData; | |
38 class ciReceiverTypeData; | |
39 class ciRetData; | |
40 class ciBranchData; | |
41 class ciArrayData; | |
42 class ciMultiBranchData; | |
45
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43 class ciArgInfoData; |
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44 class ciCallTypeData; |
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45 class ciVirtualCallTypeData; |
0 | 46 |
47 typedef ProfileData ciProfileData; | |
48 | |
49 class ciBitData : public BitData { | |
50 public: | |
51 ciBitData(DataLayout* layout) : BitData(layout) {}; | |
52 }; | |
53 | |
54 class ciCounterData : public CounterData { | |
55 public: | |
56 ciCounterData(DataLayout* layout) : CounterData(layout) {}; | |
57 }; | |
58 | |
59 class ciJumpData : public JumpData { | |
60 public: | |
61 ciJumpData(DataLayout* layout) : JumpData(layout) {}; | |
62 }; | |
63 | |
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64 class ciTypeEntries { |
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65 protected: |
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66 static intptr_t translate_klass(intptr_t k) { |
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67 Klass* v = TypeEntries::valid_klass(k); |
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68 if (v != NULL) { |
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69 ciKlass* klass = CURRENT_ENV->get_klass(v); |
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70 return with_status(klass, k); |
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71 } |
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72 return with_status(NULL, k); |
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73 } |
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74 |
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75 public: |
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76 static ciKlass* valid_ciklass(intptr_t k) { |
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77 if (!TypeEntries::is_type_none(k) && |
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78 !TypeEntries::is_type_unknown(k)) { |
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79 return (ciKlass*)TypeEntries::klass_part(k); |
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80 } else { |
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81 return NULL; |
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82 } |
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83 } |
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84 |
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85 static intptr_t with_status(ciKlass* k, intptr_t in) { |
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86 return TypeEntries::with_status((intptr_t)k, in); |
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87 } |
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88 |
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89 #ifndef PRODUCT |
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90 static void print_ciklass(outputStream* st, intptr_t k); |
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91 #endif |
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92 }; |
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93 |
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94 class ciTypeStackSlotEntries : public TypeStackSlotEntries, ciTypeEntries { |
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95 public: |
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96 void translate_type_data_from(const TypeStackSlotEntries* args); |
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97 |
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98 ciKlass* valid_type(int i) const { |
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99 return valid_ciklass(type(i)); |
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100 } |
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101 |
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102 #ifndef PRODUCT |
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103 void print_data_on(outputStream* st) const; |
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104 #endif |
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105 }; |
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106 |
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107 class ciReturnTypeEntry : public ReturnTypeEntry, ciTypeEntries { |
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108 public: |
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109 void translate_type_data_from(const ReturnTypeEntry* ret); |
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110 |
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111 ciKlass* valid_type() const { |
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112 return valid_ciklass(type()); |
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113 } |
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114 |
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115 #ifndef PRODUCT |
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116 void print_data_on(outputStream* st) const; |
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117 #endif |
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118 }; |
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119 |
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120 class ciCallTypeData : public CallTypeData { |
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121 public: |
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122 ciCallTypeData(DataLayout* layout) : CallTypeData(layout) {} |
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123 |
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124 ciTypeStackSlotEntries* args() const { return (ciTypeStackSlotEntries*)CallTypeData::args(); } |
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125 ciReturnTypeEntry* ret() const { return (ciReturnTypeEntry*)CallTypeData::ret(); } |
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126 |
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127 void translate_type_data_from(const ProfileData* data) { |
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128 if (has_arguments()) { |
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129 args()->translate_type_data_from(data->as_CallTypeData()->args()); |
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130 } |
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131 if (has_return()) { |
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132 ret()->translate_type_data_from(data->as_CallTypeData()->ret()); |
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133 } |
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134 } |
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135 |
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136 intptr_t argument_type(int i) const { |
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137 assert(has_arguments(), "no arg type profiling data"); |
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138 return args()->type(i); |
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139 } |
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140 |
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141 ciKlass* valid_argument_type(int i) const { |
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142 assert(has_arguments(), "no arg type profiling data"); |
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143 return args()->valid_type(i); |
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144 } |
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145 |
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146 intptr_t return_type() const { |
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147 assert(has_return(), "no ret type profiling data"); |
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148 return ret()->type(); |
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149 } |
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150 |
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151 ciKlass* valid_return_type() const { |
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152 assert(has_return(), "no ret type profiling data"); |
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153 return ret()->valid_type(); |
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154 } |
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155 |
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156 #ifndef PRODUCT |
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157 void print_data_on(outputStream* st) const; |
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158 #endif |
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159 }; |
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160 |
0 | 161 class ciReceiverTypeData : public ReceiverTypeData { |
162 public: | |
163 ciReceiverTypeData(DataLayout* layout) : ReceiverTypeData(layout) {}; | |
164 | |
165 void set_receiver(uint row, ciKlass* recv) { | |
166 assert((uint)row < row_limit(), "oob"); | |
167 set_intptr_at(receiver0_offset + row * receiver_type_row_cell_count, | |
168 (intptr_t) recv); | |
169 } | |
170 | |
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171 ciKlass* receiver(uint row) const { |
0 | 172 assert((uint)row < row_limit(), "oob"); |
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173 ciKlass* recv = (ciKlass*)intptr_at(receiver0_offset + row * receiver_type_row_cell_count); |
0 | 174 assert(recv == NULL || recv->is_klass(), "wrong type"); |
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175 return recv; |
0 | 176 } |
177 | |
178 // Copy & translate from oop based ReceiverTypeData | |
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179 virtual void translate_from(const ProfileData* data) { |
0 | 180 translate_receiver_data_from(data); |
181 } | |
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182 void translate_receiver_data_from(const ProfileData* data); |
0 | 183 #ifndef PRODUCT |
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184 void print_data_on(outputStream* st) const; |
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185 void print_receiver_data_on(outputStream* st) const; |
0 | 186 #endif |
187 }; | |
188 | |
189 class ciVirtualCallData : public VirtualCallData { | |
190 // Fake multiple inheritance... It's a ciReceiverTypeData also. | |
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191 ciReceiverTypeData* rtd_super() const { return (ciReceiverTypeData*) this; } |
0 | 192 |
193 public: | |
194 ciVirtualCallData(DataLayout* layout) : VirtualCallData(layout) {}; | |
195 | |
196 void set_receiver(uint row, ciKlass* recv) { | |
197 rtd_super()->set_receiver(row, recv); | |
198 } | |
199 | |
200 ciKlass* receiver(uint row) { | |
201 return rtd_super()->receiver(row); | |
202 } | |
203 | |
204 // Copy & translate from oop based VirtualCallData | |
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205 virtual void translate_from(const ProfileData* data) { |
0 | 206 rtd_super()->translate_receiver_data_from(data); |
207 } | |
208 #ifndef PRODUCT | |
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209 void print_data_on(outputStream* st) const; |
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210 #endif |
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211 }; |
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212 |
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213 class ciVirtualCallTypeData : public VirtualCallTypeData { |
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214 private: |
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215 // Fake multiple inheritance... It's a ciReceiverTypeData also. |
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216 ciReceiverTypeData* rtd_super() const { return (ciReceiverTypeData*) this; } |
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217 public: |
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218 ciVirtualCallTypeData(DataLayout* layout) : VirtualCallTypeData(layout) {} |
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219 |
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220 void set_receiver(uint row, ciKlass* recv) { |
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221 rtd_super()->set_receiver(row, recv); |
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222 } |
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223 |
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224 ciKlass* receiver(uint row) const { |
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225 return rtd_super()->receiver(row); |
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226 } |
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227 |
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228 ciTypeStackSlotEntries* args() const { return (ciTypeStackSlotEntries*)VirtualCallTypeData::args(); } |
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229 ciReturnTypeEntry* ret() const { return (ciReturnTypeEntry*)VirtualCallTypeData::ret(); } |
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230 |
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231 // Copy & translate from oop based VirtualCallData |
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232 virtual void translate_from(const ProfileData* data) { |
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233 rtd_super()->translate_receiver_data_from(data); |
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234 if (has_arguments()) { |
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235 args()->translate_type_data_from(data->as_VirtualCallTypeData()->args()); |
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236 } |
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237 if (has_return()) { |
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238 ret()->translate_type_data_from(data->as_VirtualCallTypeData()->ret()); |
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239 } |
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240 } |
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241 |
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242 intptr_t argument_type(int i) const { |
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243 assert(has_arguments(), "no arg type profiling data"); |
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244 return args()->type(i); |
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245 } |
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246 |
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247 ciKlass* valid_argument_type(int i) const { |
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248 assert(has_arguments(), "no arg type profiling data"); |
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249 return args()->valid_type(i); |
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250 } |
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251 |
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252 intptr_t return_type() const { |
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253 assert(has_return(), "no ret type profiling data"); |
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254 return ret()->type(); |
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255 } |
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256 |
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257 ciKlass* valid_return_type() const { |
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258 assert(has_return(), "no ret type profiling data"); |
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259 return ret()->valid_type(); |
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260 } |
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261 |
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262 #ifndef PRODUCT |
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263 void print_data_on(outputStream* st) const; |
0 | 264 #endif |
265 }; | |
266 | |
267 | |
268 class ciRetData : public RetData { | |
269 public: | |
270 ciRetData(DataLayout* layout) : RetData(layout) {}; | |
271 }; | |
272 | |
273 class ciBranchData : public BranchData { | |
274 public: | |
275 ciBranchData(DataLayout* layout) : BranchData(layout) {}; | |
276 }; | |
277 | |
278 class ciArrayData : public ArrayData { | |
279 public: | |
280 ciArrayData(DataLayout* layout) : ArrayData(layout) {}; | |
281 }; | |
282 | |
283 class ciMultiBranchData : public MultiBranchData { | |
284 public: | |
285 ciMultiBranchData(DataLayout* layout) : MultiBranchData(layout) {}; | |
286 }; | |
287 | |
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288 class ciArgInfoData : public ArgInfoData { |
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289 public: |
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290 ciArgInfoData(DataLayout* layout) : ArgInfoData(layout) {}; |
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291 }; |
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292 |
0 | 293 // ciMethodData |
294 // | |
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295 // This class represents a MethodData* in the HotSpot virtual |
0 | 296 // machine. |
297 | |
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298 class ciMethodData : public ciMetadata { |
0 | 299 CI_PACKAGE_ACCESS |
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300 friend class ciReplay; |
0 | 301 |
302 private: | |
303 // Size in bytes | |
304 int _data_size; | |
305 int _extra_data_size; | |
306 | |
307 // Data entries | |
308 intptr_t* _data; | |
309 | |
310 // Cached hint for data_before() | |
311 int _hint_di; | |
312 | |
313 // Is data attached? And is it mature? | |
314 enum { empty_state, immature_state, mature_state }; | |
315 u_char _state; | |
316 | |
317 // Set this true if empty extra_data slots are ever witnessed. | |
318 u_char _saw_free_extra_data; | |
319 | |
320 // Support for interprocedural escape analysis | |
321 intx _eflags; // flags on escape information | |
322 intx _arg_local; // bit set of non-escaping arguments | |
323 intx _arg_stack; // bit set of stack-allocatable arguments | |
324 intx _arg_returned; // bit set of returned arguments | |
325 | |
326 // Maturity of the oop when the snapshot is taken. | |
327 int _current_mileage; | |
328 | |
1783 | 329 // These counters hold the age of MDO in tiered. In tiered we can have the same method |
330 // running at different compilation levels concurrently. So, in order to precisely measure | |
331 // its maturity we need separate counters. | |
332 int _invocation_counter; | |
333 int _backedge_counter; | |
334 | |
0 | 335 // Coherent snapshot of original header. |
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336 MethodData _orig; |
0 | 337 |
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338 ciMethodData(MethodData* md); |
0 | 339 ciMethodData(); |
340 | |
341 // Accessors | |
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342 int data_size() const { return _data_size; } |
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343 int extra_data_size() const { return _extra_data_size; } |
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344 intptr_t * data() const { return _data; } |
0 | 345 |
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346 MethodData* get_MethodData() const { |
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347 return (MethodData*)_metadata; |
0 | 348 } |
349 | |
350 const char* type_string() { return "ciMethodData"; } | |
351 | |
352 void print_impl(outputStream* st); | |
353 | |
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354 DataLayout* data_layout_at(int data_index) const { |
0 | 355 assert(data_index % sizeof(intptr_t) == 0, "unaligned"); |
356 return (DataLayout*) (((address)_data) + data_index); | |
357 } | |
358 | |
359 bool out_of_bounds(int data_index) { | |
360 return data_index >= data_size(); | |
361 } | |
362 | |
363 // hint accessors | |
364 int hint_di() const { return _hint_di; } | |
365 void set_hint_di(int di) { | |
366 assert(!out_of_bounds(di), "hint_di out of bounds"); | |
367 _hint_di = di; | |
368 } | |
369 ciProfileData* data_before(int bci) { | |
370 // avoid SEGV on this edge case | |
371 if (data_size() == 0) | |
372 return NULL; | |
373 int hint = hint_di(); | |
374 if (data_layout_at(hint)->bci() <= bci) | |
375 return data_at(hint); | |
376 return first_data(); | |
377 } | |
378 | |
379 | |
380 // What is the index of the first data entry? | |
381 int first_di() { return 0; } | |
382 | |
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383 ciArgInfoData *arg_info() const; |
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384 |
0 | 385 public: |
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386 bool is_method_data() const { return true; } |
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387 |
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388 bool is_empty() { return _state == empty_state; } |
0 | 389 bool is_mature() { return _state == mature_state; } |
390 | |
391 int creation_mileage() { return _orig.creation_mileage(); } | |
392 int current_mileage() { return _current_mileage; } | |
393 | |
1783 | 394 int invocation_count() { return _invocation_counter; } |
395 int backedge_count() { return _backedge_counter; } | |
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396 // Transfer information about the method to MethodData*. |
1783 | 397 // would_profile means we would like to profile this method, |
398 // meaning it's not trivial. | |
399 void set_would_profile(bool p); | |
400 // Also set the numer of loops and blocks in the method. | |
401 // Again, this is used to determine if a method is trivial. | |
402 void set_compilation_stats(short loops, short blocks); | |
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403 // If the compiler finds a profiled type that is known statically |
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404 // for sure, set it in the MethodData |
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405 void set_argument_type(int bci, int i, ciKlass* k); |
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406 void set_return_type(int bci, ciKlass* k); |
1783 | 407 |
0 | 408 void load_data(); |
409 | |
410 // Convert a dp (data pointer) to a di (data index). | |
411 int dp_to_di(address dp) { | |
412 return dp - ((address)_data); | |
413 } | |
414 | |
415 // Get the data at an arbitrary (sort of) data index. | |
416 ciProfileData* data_at(int data_index); | |
417 | |
418 // Walk through the data in order. | |
419 ciProfileData* first_data() { return data_at(first_di()); } | |
420 ciProfileData* next_data(ciProfileData* current); | |
421 bool is_valid(ciProfileData* current) { return current != NULL; } | |
422 | |
423 // Get the data at an arbitrary bci, or NULL if there is none. | |
424 ciProfileData* bci_to_data(int bci); | |
425 ciProfileData* bci_to_extra_data(int bci, bool create_if_missing); | |
426 | |
427 uint overflow_trap_count() const { | |
428 return _orig.overflow_trap_count(); | |
429 } | |
430 uint overflow_recompile_count() const { | |
431 return _orig.overflow_recompile_count(); | |
432 } | |
433 uint decompile_count() const { | |
434 return _orig.decompile_count(); | |
435 } | |
436 uint trap_count(int reason) const { | |
437 return _orig.trap_count(reason); | |
438 } | |
439 uint trap_reason_limit() const { return _orig.trap_reason_limit(); } | |
440 uint trap_count_limit() const { return _orig.trap_count_limit(); } | |
441 | |
442 // Helpful query functions that decode trap_state. | |
443 int has_trap_at(ciProfileData* data, int reason); | |
444 int has_trap_at(int bci, int reason) { | |
445 return has_trap_at(bci_to_data(bci), reason); | |
446 } | |
447 int trap_recompiled_at(ciProfileData* data); | |
448 int trap_recompiled_at(int bci) { | |
449 return trap_recompiled_at(bci_to_data(bci)); | |
450 } | |
451 | |
452 void clear_escape_info(); | |
453 bool has_escape_info(); | |
454 void update_escape_info(); | |
455 | |
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456 void set_eflag(MethodData::EscapeFlag f); |
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457 void clear_eflag(MethodData::EscapeFlag f); |
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458 bool eflag_set(MethodData::EscapeFlag f) const; |
0 | 459 |
460 void set_arg_local(int i); | |
461 void set_arg_stack(int i); | |
462 void set_arg_returned(int i); | |
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463 void set_arg_modified(int arg, uint val); |
0 | 464 |
465 bool is_arg_local(int i) const; | |
466 bool is_arg_stack(int i) const; | |
467 bool is_arg_returned(int i) const; | |
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468 uint arg_modified(int arg) const; |
0 | 469 |
470 // Code generation helper | |
471 ByteSize offset_of_slot(ciProfileData* data, ByteSize slot_offset_in_data); | |
472 int byte_offset_of_slot(ciProfileData* data, ByteSize slot_offset_in_data) { return in_bytes(offset_of_slot(data, slot_offset_in_data)); } | |
473 | |
474 #ifndef PRODUCT | |
475 // printing support for method data | |
476 void print(); | |
477 void print_data_on(outputStream* st); | |
478 #endif | |
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479 void dump_replay_data(outputStream* out); |
0 | 480 }; |
1972 | 481 |
482 #endif // SHARE_VM_CI_CIMETHODDATA_HPP |