Mercurial > hg > truffle
annotate src/share/vm/interpreter/linkResolver.hpp @ 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 | f6b0eb4e44cf |
| children | b2e698d2276c |
| rev | line source |
|---|---|
| 0 | 1 /* |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2 * Copyright (c) 1997, 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 * | |
|
1552
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1508
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
|
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1508
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:
1508
diff
changeset
|
21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 1972 | 25 #ifndef SHARE_VM_INTERPRETER_LINKRESOLVER_HPP |
| 26 #define SHARE_VM_INTERPRETER_LINKRESOLVER_HPP | |
| 27 | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
28 #include "oops/method.hpp" |
| 1972 | 29 #include "utilities/top.hpp" |
| 30 | |
| 0 | 31 // All the necessary definitions for run-time link resolution. |
| 32 | |
| 33 // LinkInfo & its subclasses provide all the information gathered | |
| 34 // for a particular link after resolving it. A link is any reference | |
| 35 // made from within the bytecodes of a method to an object outside of | |
| 36 // that method. If the info is invalid, the link has not been resolved | |
| 37 // successfully. | |
| 38 | |
| 39 class LinkInfo VALUE_OBJ_CLASS_SPEC { | |
| 40 }; | |
| 41 | |
| 42 | |
| 43 // Link information for getfield/putfield & getstatic/putstatic bytecodes. | |
| 44 | |
| 45 class FieldAccessInfo: public LinkInfo { | |
| 46 protected: | |
| 47 KlassHandle _klass; | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
48 Symbol* _name; |
| 0 | 49 AccessFlags _access_flags; |
| 50 int _field_index; // original index in the klass | |
| 51 int _field_offset; | |
| 52 BasicType _field_type; | |
| 53 | |
| 54 public: | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
55 void set(KlassHandle klass, Symbol* name, int field_index, int field_offset, |
| 0 | 56 BasicType field_type, AccessFlags access_flags); |
| 57 KlassHandle klass() const { return _klass; } | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
58 Symbol* name() const { return _name; } |
| 0 | 59 int field_index() const { return _field_index; } |
| 60 int field_offset() const { return _field_offset; } | |
| 61 BasicType field_type() const { return _field_type; } | |
| 62 AccessFlags access_flags() const { return _access_flags; } | |
| 63 | |
| 64 // debugging | |
| 65 void print() PRODUCT_RETURN; | |
| 66 }; | |
| 67 | |
| 68 | |
| 69 // Link information for all calls. | |
| 70 | |
| 71 class CallInfo: public LinkInfo { | |
| 72 private: | |
| 73 KlassHandle _resolved_klass; // static receiver klass | |
| 74 KlassHandle _selected_klass; // dynamic receiver class (same as static, or subklass) | |
| 75 methodHandle _resolved_method; // static target method | |
| 76 methodHandle _selected_method; // dynamic (actual) target method | |
| 77 int _vtable_index; // vtable index of selected method | |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
2426
diff
changeset
|
78 Handle _resolved_appendix; // extra argument in constant pool (if CPCE::has_appendix) |
|
6822
f6b0eb4e44cf
7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents:
6725
diff
changeset
|
79 Handle _resolved_method_type; // MethodType (for invokedynamic and invokehandle call sites) |
| 0 | 80 |
|
6822
f6b0eb4e44cf
7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents:
6725
diff
changeset
|
81 void set_static( KlassHandle resolved_klass, methodHandle resolved_method , TRAPS); |
|
f6b0eb4e44cf
7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents:
6725
diff
changeset
|
82 void set_interface(KlassHandle resolved_klass, KlassHandle selected_klass, methodHandle resolved_method, methodHandle selected_method , TRAPS); |
|
f6b0eb4e44cf
7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents:
6725
diff
changeset
|
83 void set_virtual( KlassHandle resolved_klass, KlassHandle selected_klass, methodHandle resolved_method, methodHandle selected_method, int vtable_index , TRAPS); |
|
f6b0eb4e44cf
7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents:
6725
diff
changeset
|
84 void set_handle( methodHandle resolved_method, Handle resolved_appendix, Handle resolved_method_type, TRAPS); |
|
f6b0eb4e44cf
7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents:
6725
diff
changeset
|
85 void set_common( KlassHandle resolved_klass, KlassHandle selected_klass, methodHandle resolved_method, methodHandle selected_method, int vtable_index , TRAPS); |
| 0 | 86 |
| 87 friend class LinkResolver; | |
| 88 | |
| 89 public: | |
| 90 KlassHandle resolved_klass() const { return _resolved_klass; } | |
| 91 KlassHandle selected_klass() const { return _selected_klass; } | |
| 92 methodHandle resolved_method() const { return _resolved_method; } | |
| 93 methodHandle selected_method() const { return _selected_method; } | |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
2426
diff
changeset
|
94 Handle resolved_appendix() const { return _resolved_appendix; } |
|
6822
f6b0eb4e44cf
7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents:
6725
diff
changeset
|
95 Handle resolved_method_type() const { return _resolved_method_type; } |
| 0 | 96 |
| 97 BasicType result_type() const { return selected_method()->result_type(); } | |
| 98 bool has_vtable_index() const { return _vtable_index >= 0; } | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
99 bool is_statically_bound() const { return _vtable_index == Method::nonvirtual_vtable_index; } |
| 0 | 100 int vtable_index() const { |
| 101 // Even for interface calls the vtable index could be non-negative. | |
| 102 // See CallInfo::set_interface. | |
| 103 assert(has_vtable_index() || is_statically_bound(), ""); | |
| 104 return _vtable_index; | |
| 105 } | |
| 106 }; | |
| 107 | |
| 108 | |
| 109 // The LinkResolver is used to resolve constant-pool references at run-time. | |
| 110 // It does all necessary link-time checks & throws exceptions if necessary. | |
| 111 | |
| 112 class LinkResolver: AllStatic { | |
| 113 private: | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
114 static void lookup_method_in_klasses (methodHandle& result, KlassHandle klass, Symbol* name, Symbol* signature, TRAPS); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
115 static void lookup_instance_method_in_klasses (methodHandle& result, KlassHandle klass, Symbol* name, Symbol* signature, TRAPS); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
116 static void lookup_method_in_interfaces (methodHandle& result, KlassHandle klass, Symbol* name, Symbol* signature, TRAPS); |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
2426
diff
changeset
|
117 static void lookup_polymorphic_method (methodHandle& result, KlassHandle klass, Symbol* name, Symbol* signature, |
|
6822
f6b0eb4e44cf
7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents:
6725
diff
changeset
|
118 KlassHandle current_klass, Handle *appendix_result_or_null, Handle *method_type_result, TRAPS); |
| 0 | 119 |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
120 static int vtable_index_of_miranda_method(KlassHandle klass, Symbol* name, Symbol* signature, TRAPS); |
| 0 | 121 |
| 122 static void resolve_klass (KlassHandle& result, constantPoolHandle pool, int index, TRAPS); | |
| 123 static void resolve_klass_no_update (KlassHandle& result, constantPoolHandle pool, int index, TRAPS); // no update of constantPool entry | |
| 124 | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
125 static void resolve_pool (KlassHandle& resolved_klass, Symbol*& method_name, Symbol*& method_signature, KlassHandle& current_klass, constantPoolHandle pool, int index, TRAPS); |
| 0 | 126 |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
127 static void resolve_interface_method(methodHandle& resolved_method, KlassHandle resolved_klass, Symbol* method_name, Symbol* method_signature, KlassHandle current_klass, bool check_access, TRAPS); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
128 static void resolve_method (methodHandle& resolved_method, KlassHandle resolved_klass, Symbol* method_name, Symbol* method_signature, KlassHandle current_klass, bool check_access, TRAPS); |
| 0 | 129 |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
130 static void linktime_resolve_static_method (methodHandle& resolved_method, KlassHandle resolved_klass, Symbol* method_name, Symbol* method_signature, KlassHandle current_klass, bool check_access, TRAPS); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
131 static void linktime_resolve_special_method (methodHandle& resolved_method, KlassHandle resolved_klass, Symbol* method_name, Symbol* method_signature, KlassHandle current_klass, bool check_access, TRAPS); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
132 static void linktime_resolve_virtual_method (methodHandle &resolved_method, KlassHandle resolved_klass, Symbol* method_name, Symbol* method_signature,KlassHandle current_klass, bool check_access, TRAPS); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
133 static void linktime_resolve_interface_method (methodHandle& resolved_method, KlassHandle resolved_klass, Symbol* method_name, Symbol* method_signature, KlassHandle current_klass, bool check_access, TRAPS); |
| 0 | 134 |
| 135 static void runtime_resolve_special_method (CallInfo& result, methodHandle resolved_method, KlassHandle resolved_klass, KlassHandle current_klass, bool check_access, TRAPS); | |
| 136 static void runtime_resolve_virtual_method (CallInfo& result, methodHandle resolved_method, KlassHandle resolved_klass, Handle recv, KlassHandle recv_klass, bool check_null_and_abstract, TRAPS); | |
| 137 static void runtime_resolve_interface_method (CallInfo& result, methodHandle resolved_method, KlassHandle resolved_klass, Handle recv, KlassHandle recv_klass, bool check_null_and_abstract, TRAPS); | |
| 138 | |
| 139 static void check_field_accessability (KlassHandle ref_klass, KlassHandle resolved_klass, KlassHandle sel_klass, fieldDescriptor& fd, TRAPS); | |
| 140 static void check_method_accessability (KlassHandle ref_klass, KlassHandle resolved_klass, KlassHandle sel_klass, methodHandle sel_method, TRAPS); | |
| 141 | |
| 142 public: | |
| 143 // constant pool resolving | |
| 144 static void check_klass_accessability(KlassHandle ref_klass, KlassHandle sel_klass, TRAPS); | |
| 145 | |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
2426
diff
changeset
|
146 // static resolving calls (will not run any Java code); used only from Bytecode_invoke::static_target |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
2426
diff
changeset
|
147 static void resolve_method_statically(methodHandle& method_result, KlassHandle& klass_result, |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
2426
diff
changeset
|
148 Bytecodes::Code code, constantPoolHandle pool, int index, TRAPS); |
| 0 | 149 |
| 150 // runtime/static resolving for fields | |
| 151 static void resolve_field(FieldAccessInfo& result, constantPoolHandle pool, int index, Bytecodes::Code byte, bool check_only, TRAPS); | |
| 152 // takes an extra bool argument "update_pool" to decide whether to update the constantPool during klass resolution. | |
| 153 static void resolve_field(FieldAccessInfo& result, constantPoolHandle pool, int index, Bytecodes::Code byte, bool check_only, bool update_pool, TRAPS); | |
| 154 | |
| 155 // runtime resolving: | |
| 156 // resolved_klass = specified class (i.e., static receiver class) | |
| 157 // current_klass = sending method holder (i.e., class containing the method containing the call being resolved) | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
158 static void resolve_static_call (CallInfo& result, KlassHandle& resolved_klass, Symbol* method_name, Symbol* method_signature, KlassHandle current_klass, bool check_access, bool initialize_klass, TRAPS); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
159 static void resolve_special_call (CallInfo& result, KlassHandle resolved_klass, Symbol* method_name, Symbol* method_signature, KlassHandle current_klass, bool check_access, TRAPS); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
160 static void resolve_virtual_call (CallInfo& result, Handle recv, KlassHandle recv_klass, KlassHandle resolved_klass, Symbol* method_name, Symbol* method_signature, KlassHandle current_klass, bool check_access, bool check_null_and_abstract, TRAPS); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
161 static void resolve_interface_call(CallInfo& result, Handle recv, KlassHandle recv_klass, KlassHandle resolved_klass, Symbol* method_name, Symbol* method_signature, KlassHandle current_klass, bool check_access, bool check_null_and_abstract, TRAPS); |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
2426
diff
changeset
|
162 static void resolve_handle_call (CallInfo& result, KlassHandle resolved_klass, Symbol* method_name, Symbol* method_signature, KlassHandle current_klass, TRAPS); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
2426
diff
changeset
|
163 static void resolve_dynamic_call (CallInfo& result, Handle bootstrap_specifier, Symbol* method_name, Symbol* method_signature, KlassHandle current_klass, TRAPS); |
| 0 | 164 |
| 165 // same as above for compile-time resolution; but returns null handle instead of throwing an exception on error | |
| 166 // also, does not initialize klass (i.e., no side effects) | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
167 static methodHandle resolve_virtual_call_or_null (KlassHandle receiver_klass, KlassHandle resolved_klass, Symbol* method_name, Symbol* method_signature, KlassHandle current_klass); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
168 static methodHandle resolve_interface_call_or_null(KlassHandle receiver_klass, KlassHandle resolved_klass, Symbol* method_name, Symbol* method_signature, KlassHandle current_klass); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
169 static methodHandle resolve_static_call_or_null (KlassHandle resolved_klass, Symbol* method_name, Symbol* method_signature, KlassHandle current_klass); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
170 static methodHandle resolve_special_call_or_null (KlassHandle resolved_klass, Symbol* method_name, Symbol* method_signature, KlassHandle current_klass); |
| 0 | 171 |
| 172 // same as above for compile-time resolution; returns vtable_index if current_klass if linked | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
173 static int resolve_virtual_vtable_index (KlassHandle receiver_klass, KlassHandle resolved_klass, Symbol* method_name, Symbol* method_signature, KlassHandle current_klass); |
| 0 | 174 |
| 175 // static resolving for compiler (does not throw exceptions, returns null handle if unsuccessful) | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
176 static methodHandle linktime_resolve_virtual_method_or_null (KlassHandle resolved_klass, Symbol* method_name, Symbol* method_signature, KlassHandle current_klass, bool check_access); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
177 static methodHandle linktime_resolve_interface_method_or_null(KlassHandle resolved_klass, Symbol* method_name, Symbol* method_signature, KlassHandle current_klass, bool check_access); |
| 0 | 178 |
| 179 // runtime resolving from constant pool | |
| 180 static void resolve_invokestatic (CallInfo& result, constantPoolHandle pool, int index, TRAPS); | |
| 181 static void resolve_invokespecial (CallInfo& result, constantPoolHandle pool, int index, TRAPS); | |
| 182 static void resolve_invokevirtual (CallInfo& result, Handle recv, constantPoolHandle pool, int index, TRAPS); | |
| 183 static void resolve_invokeinterface(CallInfo& result, Handle recv, constantPoolHandle pool, int index, TRAPS); | |
|
726
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
710
diff
changeset
|
184 static void resolve_invokedynamic (CallInfo& result, constantPoolHandle pool, int index, TRAPS); |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
2426
diff
changeset
|
185 static void resolve_invokehandle (CallInfo& result, constantPoolHandle pool, int index, TRAPS); |
| 0 | 186 |
| 187 static void resolve_invoke (CallInfo& result, Handle recv, constantPoolHandle pool, int index, Bytecodes::Code byte, TRAPS); | |
| 188 }; | |
| 1972 | 189 |
| 190 #endif // SHARE_VM_INTERPRETER_LINKRESOLVER_HPP |