Mercurial > hg > truffle
annotate src/share/vm/oops/method.hpp @ 6934:4735d2c84362
7200776: Implement default methods in interfaces
Summary: Add generic type analysis and default method selection algorithms
Reviewed-by: coleenp, acorn
| author | kamg |
|---|---|
| date | Thu, 11 Oct 2012 12:25:42 -0400 |
| parents | 9191895df19d |
| children | 18fb7da42534 |
| rev | line source |
|---|---|
| 0 | 1 /* |
|
4873
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4800
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:
1507
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
|
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1507
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:
1507
diff
changeset
|
21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 1972 | 25 #ifndef SHARE_VM_OOPS_METHODOOP_HPP |
| 26 #define SHARE_VM_OOPS_METHODOOP_HPP | |
| 27 | |
| 28 #include "classfile/vmSymbols.hpp" | |
| 29 #include "code/compressedStream.hpp" | |
| 30 #include "compiler/oopMap.hpp" | |
| 31 #include "interpreter/invocationCounter.hpp" | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
32 #include "oops/annotations.hpp" |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
33 #include "oops/constantPool.hpp" |
| 1972 | 34 #include "oops/instanceKlass.hpp" |
| 35 #include "oops/oop.hpp" | |
| 36 #include "oops/typeArrayOop.hpp" | |
| 37 #include "utilities/accessFlags.hpp" | |
| 38 #include "utilities/growableArray.hpp" | |
| 39 | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
40 // A Method* represents a Java method. |
| 0 | 41 // |
| 42 // Memory layout (each line represents a word). Note that most applications load thousands of methods, | |
| 43 // so keeping the size of this structure small has a big impact on footprint. | |
| 44 // | |
| 45 // We put all oops and method_size first for better gc cache locality. | |
| 46 // | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
47 // The actual bytecodes are inlined after the end of the Method struct. |
| 0 | 48 // |
| 49 // There are bits in the access_flags telling whether inlined tables are present. | |
| 50 // Note that accessing the line number and local variable tables is not performance critical at all. | |
| 51 // Accessing the checked exceptions table is used by reflection, so we put that last to make access | |
| 52 // to it fast. | |
| 53 // | |
| 54 // The line number table is compressed and inlined following the byte codes. It is found as the first | |
| 55 // byte following the byte codes. The checked exceptions table and the local variable table are inlined | |
| 56 // after the line number table, and indexed from the end of the method. We do not compress the checked | |
| 57 // exceptions table since the average length is less than 2, and do not bother to compress the local | |
| 58 // variable table either since it is mostly absent. | |
| 59 // | |
| 60 // Note that native_function and signature_handler has to be at fixed offsets (required by the interpreter) | |
| 61 // | |
| 62 // |------------------------------------------------------| | |
| 63 // | header | | |
| 64 // | klass | | |
| 65 // |------------------------------------------------------| | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
66 // | ConstMethod* (oop) | |
| 0 | 67 // |------------------------------------------------------| |
| 68 // | methodData (oop) | | |
| 69 // | interp_invocation_count | | |
| 70 // |------------------------------------------------------| | |
| 71 // | access_flags | | |
| 72 // | vtable_index | | |
| 73 // |------------------------------------------------------| | |
| 74 // | result_index (C++ interpreter only) | | |
| 75 // |------------------------------------------------------| | |
| 76 // | method_size | max_stack | | |
| 77 // | max_locals | size_of_parameters | | |
| 78 // |------------------------------------------------------| | |
|
4800
94ec88ca68e2
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
phh
parents:
3785
diff
changeset
|
79 // |intrinsic_id| flags | throwout_count | |
| 0 | 80 // |------------------------------------------------------| |
| 1783 | 81 // | num_breakpoints | (unused) | |
| 0 | 82 // |------------------------------------------------------| |
| 83 // | invocation_counter | | |
| 84 // | backedge_counter | | |
| 85 // |------------------------------------------------------| | |
|
2348
5d8f5a6dced7
7020403: Add AdvancedCompilationPolicy for tiered
iveresov
parents:
2243
diff
changeset
|
86 // | prev_time (tiered only, 64 bit wide) | |
|
5d8f5a6dced7
7020403: Add AdvancedCompilationPolicy for tiered
iveresov
parents:
2243
diff
changeset
|
87 // | | |
|
5d8f5a6dced7
7020403: Add AdvancedCompilationPolicy for tiered
iveresov
parents:
2243
diff
changeset
|
88 // |------------------------------------------------------| |
|
5d8f5a6dced7
7020403: Add AdvancedCompilationPolicy for tiered
iveresov
parents:
2243
diff
changeset
|
89 // | rate (tiered) | |
|
5d8f5a6dced7
7020403: Add AdvancedCompilationPolicy for tiered
iveresov
parents:
2243
diff
changeset
|
90 // |------------------------------------------------------| |
| 0 | 91 // | code (pointer) | |
| 92 // | i2i (pointer) | | |
| 93 // | adapter (pointer) | | |
| 94 // | from_compiled_entry (pointer) | | |
| 95 // | from_interpreted_entry (pointer) | | |
| 96 // |------------------------------------------------------| | |
| 97 // | native_function (present only if native) | | |
| 98 // | signature_handler (present only if native) | | |
| 99 // |------------------------------------------------------| | |
| 100 | |
| 101 | |
| 102 class CheckedExceptionElement; | |
| 103 class LocalVariableTableElement; | |
| 104 class AdapterHandlerEntry; | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
105 class MethodData; |
| 6934 | 106 class ConstMethod; |
| 0 | 107 |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
108 class Method : public Metadata { |
| 0 | 109 friend class VMStructs; |
| 110 private: | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
111 ConstMethod* _constMethod; // Method read-only data. |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
112 MethodData* _method_data; |
| 1783 | 113 int _interpreter_invocation_count; // Count of times invoked (reused as prev_event_count in tiered) |
| 0 | 114 AccessFlags _access_flags; // Access flags |
| 115 int _vtable_index; // vtable index of this method (see VtableIndexFlag) | |
| 116 // note: can have vtables with >2**16 elements (because of inheritance) | |
| 117 #ifdef CC_INTERP | |
| 118 int _result_index; // C++ interpreter needs for converting results to/from stack | |
| 119 #endif | |
| 120 u2 _method_size; // size of this object | |
| 121 u2 _max_stack; // Maximum number of entries on the expression stack | |
| 122 u2 _max_locals; // Number of local variables used by this method | |
| 123 u2 _size_of_parameters; // size of the parameter block (receiver + arguments) in words | |
|
856
75596850f863
6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents:
726
diff
changeset
|
124 u1 _intrinsic_id; // vmSymbols::intrinsic_id (0 == _none) |
|
6222
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6146
diff
changeset
|
125 u1 _jfr_towrite : 1, // Flags |
|
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6146
diff
changeset
|
126 _force_inline : 1, |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6227
diff
changeset
|
127 _hidden : 1, |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6227
diff
changeset
|
128 _dont_inline : 1, |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6227
diff
changeset
|
129 : 4; |
| 0 | 130 u2 _interpreter_throwout_count; // Count of times method was exited via exception while interpreting |
| 131 u2 _number_of_breakpoints; // fullspeed debugging support | |
| 132 InvocationCounter _invocation_counter; // Incremented before each activation of the method - used to trigger frequency-based optimizations | |
| 133 InvocationCounter _backedge_counter; // Incremented before each backedge taken - used to trigger frequencey-based optimizations | |
| 1783 | 134 |
|
2348
5d8f5a6dced7
7020403: Add AdvancedCompilationPolicy for tiered
iveresov
parents:
2243
diff
changeset
|
135 #ifdef TIERED |
|
5d8f5a6dced7
7020403: Add AdvancedCompilationPolicy for tiered
iveresov
parents:
2243
diff
changeset
|
136 jlong _prev_time; // Previous time the rate was acquired |
|
5d8f5a6dced7
7020403: Add AdvancedCompilationPolicy for tiered
iveresov
parents:
2243
diff
changeset
|
137 float _rate; // Events (invocation and backedge counter increments) per millisecond |
|
5d8f5a6dced7
7020403: Add AdvancedCompilationPolicy for tiered
iveresov
parents:
2243
diff
changeset
|
138 #endif |
|
5d8f5a6dced7
7020403: Add AdvancedCompilationPolicy for tiered
iveresov
parents:
2243
diff
changeset
|
139 |
| 0 | 140 #ifndef PRODUCT |
| 141 int _compiled_invocation_count; // Number of nmethod invocations so far (for perf. debugging) | |
| 142 #endif | |
| 143 // Entry point for calling both from and to the interpreter. | |
| 144 address _i2i_entry; // All-args-on-stack calling convention | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
145 // Adapter blob (i2c/c2i) for this Method*. Set once when method is linked. |
| 0 | 146 AdapterHandlerEntry* _adapter; |
| 147 // Entry point for calling from compiled code, to compiled code if it exists | |
| 148 // or else the interpreter. | |
| 149 volatile address _from_compiled_entry; // Cache of: _code ? _code->entry_point() : _adapter->c2i_entry() | |
| 150 // The entry point for calling both from and to compiled code is | |
| 151 // "_code->entry_point()". Because of tiered compilation and de-opt, this | |
| 152 // field can come and go. It can transition from NULL to not-null at any | |
| 153 // time (whenever a compile completes). It can transition from not-null to | |
| 154 // NULL only at safepoints (because of a de-opt). | |
| 155 nmethod* volatile _code; // Points to the corresponding piece of native code | |
| 156 volatile address _from_interpreted_entry; // Cache of _code ? _adapter->i2c_entry() : _i2i_entry | |
| 157 | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
158 // Constructor |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
159 Method(ConstMethod* xconst, AccessFlags access_flags, int size); |
| 0 | 160 public: |
| 6934 | 161 |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
162 static Method* allocate(ClassLoaderData* loader_data, |
| 6934 | 163 int byte_code_size, |
| 164 AccessFlags access_flags, | |
| 165 int compressed_line_number_size, | |
| 166 int localvariable_table_length, | |
| 167 int exception_table_length, | |
| 168 int checked_exceptions_length, | |
| 169 ConstMethod::MethodType method_type, | |
| 170 TRAPS); | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
171 |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
172 Method() { assert(DumpSharedSpaces || UseSharedSpaces, "only for CDS"); } |
|
6733
fa6e618671d7
7195867: NPG: SAJDI tests fail with sun.jvm.hotspot.types.WrongTypeException: No suitable match for type
coleenp
parents:
6725
diff
changeset
|
173 |
|
fa6e618671d7
7195867: NPG: SAJDI tests fail with sun.jvm.hotspot.types.WrongTypeException: No suitable match for type
coleenp
parents:
6725
diff
changeset
|
174 // The Method vtable is restored by this call when the Method is in the |
|
fa6e618671d7
7195867: NPG: SAJDI tests fail with sun.jvm.hotspot.types.WrongTypeException: No suitable match for type
coleenp
parents:
6725
diff
changeset
|
175 // shared archive. See patch_klass_vtables() in metaspaceShared.cpp for |
|
fa6e618671d7
7195867: NPG: SAJDI tests fail with sun.jvm.hotspot.types.WrongTypeException: No suitable match for type
coleenp
parents:
6725
diff
changeset
|
176 // all the gory details. SA, dtrace and pstack helpers distinguish metadata |
|
fa6e618671d7
7195867: NPG: SAJDI tests fail with sun.jvm.hotspot.types.WrongTypeException: No suitable match for type
coleenp
parents:
6725
diff
changeset
|
177 // by their vtable. |
|
fa6e618671d7
7195867: NPG: SAJDI tests fail with sun.jvm.hotspot.types.WrongTypeException: No suitable match for type
coleenp
parents:
6725
diff
changeset
|
178 void restore_vtable() { guarantee(is_method(), "vtable restored by this call"); } |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
179 bool is_method() const volatile { return true; } |
|
518
0af8b0718fc9
6692899: CMS: many vm.parallel_class_loading tests fail with assert "missing Printezis mark"
jmasa
parents:
196
diff
changeset
|
180 |
| 0 | 181 // accessors for instance variables |
|
6733
fa6e618671d7
7195867: NPG: SAJDI tests fail with sun.jvm.hotspot.types.WrongTypeException: No suitable match for type
coleenp
parents:
6725
diff
changeset
|
182 |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
183 ConstMethod* constMethod() const { return _constMethod; } |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
184 void set_constMethod(ConstMethod* xconst) { _constMethod = xconst; } |
| 0 | 185 |
| 186 | |
| 187 static address make_adapters(methodHandle mh, TRAPS); | |
| 188 volatile address from_compiled_entry() const { return (address)OrderAccess::load_ptr_acquire(&_from_compiled_entry); } | |
| 189 volatile address from_interpreted_entry() const{ return (address)OrderAccess::load_ptr_acquire(&_from_interpreted_entry); } | |
| 190 | |
| 191 // access flag | |
| 192 AccessFlags access_flags() const { return _access_flags; } | |
| 193 void set_access_flags(AccessFlags flags) { _access_flags = flags; } | |
| 194 | |
| 195 // name | |
|
6123
2fe087c3e814
7172967: Eliminate constMethod's _method backpointer to methodOop.
jiangli
parents:
4873
diff
changeset
|
196 Symbol* name() const { return constants()->symbol_at(name_index()); } |
| 0 | 197 int name_index() const { return constMethod()->name_index(); } |
| 198 void set_name_index(int index) { constMethod()->set_name_index(index); } | |
| 199 | |
| 200 // signature | |
|
6123
2fe087c3e814
7172967: Eliminate constMethod's _method backpointer to methodOop.
jiangli
parents:
4873
diff
changeset
|
201 Symbol* signature() const { return constants()->symbol_at(signature_index()); } |
| 0 | 202 int signature_index() const { return constMethod()->signature_index(); } |
| 203 void set_signature_index(int index) { constMethod()->set_signature_index(index); } | |
| 204 | |
| 205 // generics support | |
|
6123
2fe087c3e814
7172967: Eliminate constMethod's _method backpointer to methodOop.
jiangli
parents:
4873
diff
changeset
|
206 Symbol* generic_signature() const { int idx = generic_signature_index(); return ((idx != 0) ? constants()->symbol_at(idx) : (Symbol*)NULL); } |
| 0 | 207 int generic_signature_index() const { return constMethod()->generic_signature_index(); } |
| 208 void set_generic_signature_index(int index) { constMethod()->set_generic_signature_index(index); } | |
| 209 | |
| 210 // annotations support | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
211 AnnotationArray* annotations() const { |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
212 InstanceKlass* ik = InstanceKlass::cast(method_holder()); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
213 if (ik->annotations() == NULL) { |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
214 return NULL; |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
215 } |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
216 return ik->annotations()->get_method_annotations_of(method_idnum()); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
217 } |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
218 AnnotationArray* parameter_annotations() const { |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
219 InstanceKlass* ik = InstanceKlass::cast(method_holder()); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
220 if (ik->annotations() == NULL) { |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
221 return NULL; |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
222 } |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
223 return ik->annotations()->get_method_parameter_annotations_of(method_idnum()); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
224 } |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
225 AnnotationArray* annotation_default() const { |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
226 InstanceKlass* ik = InstanceKlass::cast(method_holder()); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
227 if (ik->annotations() == NULL) { |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
228 return NULL; |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
229 } |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
230 return ik->annotations()->get_method_default_annotations_of(method_idnum()); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
231 } |
| 0 | 232 |
| 233 #ifdef CC_INTERP | |
| 234 void set_result_index(BasicType type); | |
| 235 int result_index() { return _result_index; } | |
| 236 #endif | |
| 237 | |
| 238 // Helper routine: get klass name + "." + method name + signature as | |
| 239 // C string, for the purpose of providing more useful NoSuchMethodErrors | |
| 240 // and fatal error handling. The string is allocated in resource | |
| 241 // area if a buffer is not provided by the caller. | |
|
6145
e2fe93124108
7174928: JSR 292: unresolved invokedynamic call sites deopt and osr infinitely
twisti
parents:
4873
diff
changeset
|
242 char* name_and_sig_as_C_string() const; |
|
e2fe93124108
7174928: JSR 292: unresolved invokedynamic call sites deopt and osr infinitely
twisti
parents:
4873
diff
changeset
|
243 char* name_and_sig_as_C_string(char* buf, int size) const; |
| 0 | 244 |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
245 // Static routine in the situations we don't have a Method* |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2142
diff
changeset
|
246 static char* name_and_sig_as_C_string(Klass* klass, Symbol* method_name, Symbol* signature); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2142
diff
changeset
|
247 static char* name_and_sig_as_C_string(Klass* klass, Symbol* method_name, Symbol* signature, char* buf, int size); |
| 0 | 248 |
| 2142 | 249 Bytecodes::Code java_code_at(int bci) const { |
| 250 return Bytecodes::java_code_at(this, bcp_from(bci)); | |
| 251 } | |
| 252 Bytecodes::Code code_at(int bci) const { | |
| 253 return Bytecodes::code_at(this, bcp_from(bci)); | |
| 254 } | |
| 255 | |
| 0 | 256 // JVMTI breakpoints |
| 2142 | 257 Bytecodes::Code orig_bytecode_at(int bci) const; |
| 0 | 258 void set_orig_bytecode_at(int bci, Bytecodes::Code code); |
| 259 void set_breakpoint(int bci); | |
| 260 void clear_breakpoint(int bci); | |
| 261 void clear_all_breakpoints(); | |
| 262 // Tracking number of breakpoints, for fullspeed debugging. | |
| 263 // Only mutated by VM thread. | |
| 264 u2 number_of_breakpoints() const { return _number_of_breakpoints; } | |
| 265 void incr_number_of_breakpoints() { ++_number_of_breakpoints; } | |
| 266 void decr_number_of_breakpoints() { --_number_of_breakpoints; } | |
| 267 // Initialization only | |
| 268 void clear_number_of_breakpoints() { _number_of_breakpoints = 0; } | |
| 269 | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
270 // index into InstanceKlass methods() array |
|
4800
94ec88ca68e2
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
phh
parents:
3785
diff
changeset
|
271 // note: also used by jfr |
| 0 | 272 u2 method_idnum() const { return constMethod()->method_idnum(); } |
| 273 void set_method_idnum(u2 idnum) { constMethod()->set_method_idnum(idnum); } | |
| 274 | |
| 275 // code size | |
| 276 int code_size() const { return constMethod()->code_size(); } | |
| 277 | |
| 278 // method size | |
| 279 int method_size() const { return _method_size; } | |
| 280 void set_method_size(int size) { | |
| 281 assert(0 <= size && size < (1 << 16), "invalid method size"); | |
| 282 _method_size = size; | |
| 283 } | |
| 284 | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
285 // constant pool for Klass* holding this method |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
286 ConstantPool* constants() const { return constMethod()->constants(); } |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
287 void set_constants(ConstantPool* c) { constMethod()->set_constants(c); } |
| 0 | 288 |
| 289 // max stack | |
|
6271
93c71eb28866
7188911: nightly failures after JSR 292 lazy method handle update (round 2)
twisti
parents:
6266
diff
changeset
|
290 // return original max stack size for method verification |
|
93c71eb28866
7188911: nightly failures after JSR 292 lazy method handle update (round 2)
twisti
parents:
6266
diff
changeset
|
291 int verifier_max_stack() const { return _max_stack; } |
|
93c71eb28866
7188911: nightly failures after JSR 292 lazy method handle update (round 2)
twisti
parents:
6266
diff
changeset
|
292 int max_stack() const { return _max_stack + extra_stack_entries(); } |
|
93c71eb28866
7188911: nightly failures after JSR 292 lazy method handle update (round 2)
twisti
parents:
6266
diff
changeset
|
293 void set_max_stack(int size) { _max_stack = size; } |
| 0 | 294 |
| 295 // max locals | |
| 296 int max_locals() const { return _max_locals; } | |
| 297 void set_max_locals(int size) { _max_locals = size; } | |
| 1783 | 298 |
| 299 int highest_comp_level() const; | |
| 300 void set_highest_comp_level(int level); | |
| 301 int highest_osr_comp_level() const; | |
| 302 void set_highest_osr_comp_level(int level); | |
| 0 | 303 |
| 304 // Count of times method was exited via exception while interpreting | |
| 305 void interpreter_throwout_increment() { | |
| 306 if (_interpreter_throwout_count < 65534) { | |
| 307 _interpreter_throwout_count++; | |
| 308 } | |
| 309 } | |
| 310 | |
| 311 int interpreter_throwout_count() const { return _interpreter_throwout_count; } | |
| 312 void set_interpreter_throwout_count(int count) { _interpreter_throwout_count = count; } | |
| 313 | |
| 314 // size of parameters | |
| 315 int size_of_parameters() const { return _size_of_parameters; } | |
| 316 | |
| 317 bool has_stackmap_table() const { | |
| 318 return constMethod()->has_stackmap_table(); | |
| 319 } | |
| 320 | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
321 Array<u1>* stackmap_data() const { |
| 0 | 322 return constMethod()->stackmap_data(); |
| 323 } | |
| 324 | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
325 void set_stackmap_data(Array<u1>* sd) { |
|
1877
a4c7fe54bf3f
6991315: RedefineClasses fails with java.lang.VerifyError
kamg
parents:
1793
diff
changeset
|
326 constMethod()->set_stackmap_data(sd); |
|
a4c7fe54bf3f
6991315: RedefineClasses fails with java.lang.VerifyError
kamg
parents:
1793
diff
changeset
|
327 } |
|
a4c7fe54bf3f
6991315: RedefineClasses fails with java.lang.VerifyError
kamg
parents:
1793
diff
changeset
|
328 |
| 0 | 329 // exception handler table |
| 330 bool has_exception_handler() const | |
| 331 { return constMethod()->has_exception_handler(); } | |
|
6213
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
332 int exception_table_length() const |
|
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
333 { return constMethod()->exception_table_length(); } |
|
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
334 ExceptionTableElement* exception_table_start() const |
|
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
335 { return constMethod()->exception_table_start(); } |
| 0 | 336 |
| 337 // Finds the first entry point bci of an exception handler for an | |
| 338 // exception of klass ex_klass thrown at throw_bci. A value of NULL | |
| 339 // for ex_klass indicates that the exception klass is not known; in | |
| 340 // this case it matches any constraint class. Returns -1 if the | |
| 341 // exception cannot be handled in this method. The handler | |
| 342 // constraint classes are loaded if necessary. Note that this may | |
| 343 // throw an exception if loading of the constraint classes causes | |
| 344 // an IllegalAccessError (bugid 4307310) or an OutOfMemoryError. | |
| 345 // If an exception is thrown, returns the bci of the | |
| 346 // exception handler which caused the exception to be thrown, which | |
| 347 // is needed for proper retries. See, for example, | |
| 348 // InterpreterRuntime::exception_handler_for_exception. | |
| 349 int fast_exception_handler_bci_for(KlassHandle ex_klass, int throw_bci, TRAPS); | |
| 350 | |
| 351 // method data access | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
352 MethodData* method_data() const { |
| 0 | 353 return _method_data; |
| 354 } | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
355 void set_method_data(MethodData* data) { |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
356 _method_data = data; |
| 0 | 357 } |
| 358 | |
| 359 // invocation counter | |
| 1783 | 360 InvocationCounter* invocation_counter() { return &_invocation_counter; } |
| 361 InvocationCounter* backedge_counter() { return &_backedge_counter; } | |
| 362 | |
|
2348
5d8f5a6dced7
7020403: Add AdvancedCompilationPolicy for tiered
iveresov
parents:
2243
diff
changeset
|
363 #ifdef TIERED |
|
5d8f5a6dced7
7020403: Add AdvancedCompilationPolicy for tiered
iveresov
parents:
2243
diff
changeset
|
364 // We are reusing interpreter_invocation_count as a holder for the previous event count! |
|
5d8f5a6dced7
7020403: Add AdvancedCompilationPolicy for tiered
iveresov
parents:
2243
diff
changeset
|
365 // We can do that since interpreter_invocation_count is not used in tiered. |
|
5d8f5a6dced7
7020403: Add AdvancedCompilationPolicy for tiered
iveresov
parents:
2243
diff
changeset
|
366 int prev_event_count() const { return _interpreter_invocation_count; } |
|
5d8f5a6dced7
7020403: Add AdvancedCompilationPolicy for tiered
iveresov
parents:
2243
diff
changeset
|
367 void set_prev_event_count(int count) { _interpreter_invocation_count = count; } |
|
5d8f5a6dced7
7020403: Add AdvancedCompilationPolicy for tiered
iveresov
parents:
2243
diff
changeset
|
368 jlong prev_time() const { return _prev_time; } |
|
5d8f5a6dced7
7020403: Add AdvancedCompilationPolicy for tiered
iveresov
parents:
2243
diff
changeset
|
369 void set_prev_time(jlong time) { _prev_time = time; } |
|
5d8f5a6dced7
7020403: Add AdvancedCompilationPolicy for tiered
iveresov
parents:
2243
diff
changeset
|
370 float rate() const { return _rate; } |
|
5d8f5a6dced7
7020403: Add AdvancedCompilationPolicy for tiered
iveresov
parents:
2243
diff
changeset
|
371 void set_rate(float rate) { _rate = rate; } |
|
5d8f5a6dced7
7020403: Add AdvancedCompilationPolicy for tiered
iveresov
parents:
2243
diff
changeset
|
372 #endif |
|
5d8f5a6dced7
7020403: Add AdvancedCompilationPolicy for tiered
iveresov
parents:
2243
diff
changeset
|
373 |
| 1783 | 374 int invocation_count(); |
| 375 int backedge_count(); | |
| 376 | |
| 377 bool was_executed_more_than(int n); | |
| 378 bool was_never_executed() { return !was_executed_more_than(0); } | |
| 0 | 379 |
| 380 static void build_interpreter_method_data(methodHandle method, TRAPS); | |
| 381 | |
| 1783 | 382 int interpreter_invocation_count() { |
| 383 if (TieredCompilation) return invocation_count(); | |
| 384 else return _interpreter_invocation_count; | |
| 385 } | |
| 0 | 386 void set_interpreter_invocation_count(int count) { _interpreter_invocation_count = count; } |
| 1783 | 387 int increment_interpreter_invocation_count() { |
| 388 if (TieredCompilation) ShouldNotReachHere(); | |
| 389 return ++_interpreter_invocation_count; | |
| 390 } | |
| 0 | 391 |
| 392 #ifndef PRODUCT | |
| 1783 | 393 int compiled_invocation_count() const { return _compiled_invocation_count; } |
| 0 | 394 void set_compiled_invocation_count(int count) { _compiled_invocation_count = count; } |
| 395 #endif // not PRODUCT | |
| 396 | |
| 605 | 397 // Clear (non-shared space) pointers which could not be relevant |
| 0 | 398 // if this (shared) method were mapped into another JVM. |
| 399 void remove_unshareable_info(); | |
| 400 | |
| 401 // nmethod/verified compiler entry | |
| 402 address verified_code_entry(); | |
| 403 bool check_code() const; // Not inline to avoid circular ref | |
| 404 nmethod* volatile code() const { assert( check_code(), "" ); return (nmethod *)OrderAccess::load_ptr_acquire(&_code); } | |
| 405 void clear_code(); // Clear out any compiled code | |
| 1202 | 406 static void set_code(methodHandle mh, nmethod* code); |
| 0 | 407 void set_adapter_entry(AdapterHandlerEntry* adapter) { _adapter = adapter; } |
| 408 address get_i2c_entry(); | |
| 409 address get_c2i_entry(); | |
| 410 address get_c2i_unverified_entry(); | |
| 411 AdapterHandlerEntry* adapter() { return _adapter; } | |
| 412 // setup entry points | |
| 413 void link_method(methodHandle method, TRAPS); | |
| 414 // clear entry points. Used by sharing code | |
| 415 void unlink_method(); | |
| 416 | |
| 417 // vtable index | |
| 418 enum VtableIndexFlag { | |
| 419 // Valid vtable indexes are non-negative (>= 0). | |
| 420 // These few negative values are used as sentinels. | |
| 710 | 421 highest_unused_vtable_index_value = -5, |
| 0 | 422 invalid_vtable_index = -4, // distinct from any valid vtable index |
| 423 garbage_vtable_index = -3, // not yet linked; no vtable layout yet | |
| 424 nonvirtual_vtable_index = -2 // there is no need for vtable dispatch | |
| 425 // 6330203 Note: Do not use -1, which was overloaded with many meanings. | |
| 426 }; | |
| 427 DEBUG_ONLY(bool valid_vtable_index() const { return _vtable_index >= nonvirtual_vtable_index; }) | |
| 428 int vtable_index() const { assert(valid_vtable_index(), ""); | |
| 429 return _vtable_index; } | |
| 430 void set_vtable_index(int index) { _vtable_index = index; } | |
| 431 | |
| 432 // interpreter entry | |
| 433 address interpreter_entry() const { return _i2i_entry; } | |
| 434 // Only used when first initialize so we can set _i2i_entry and _from_interpreted_entry | |
| 435 void set_interpreter_entry(address entry) { _i2i_entry = entry; _from_interpreted_entry = entry; } | |
| 436 int interpreter_kind(void) { | |
| 437 return constMethod()->interpreter_kind(); | |
| 438 } | |
| 439 void set_interpreter_kind(); | |
| 440 void set_interpreter_kind(int kind) { | |
| 441 constMethod()->set_interpreter_kind(kind); | |
| 442 } | |
| 443 | |
| 444 // native function (used for native methods only) | |
| 445 enum { | |
| 446 native_bind_event_is_interesting = true | |
| 447 }; | |
| 448 address native_function() const { return *(native_function_addr()); } | |
|
4873
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4800
diff
changeset
|
449 address critical_native_function(); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4800
diff
changeset
|
450 |
| 0 | 451 // Must specify a real function (not NULL). |
| 452 // Use clear_native_function() to unregister. | |
| 453 void set_native_function(address function, bool post_event_flag); | |
| 454 bool has_native_function() const; | |
| 455 void clear_native_function(); | |
| 456 | |
| 457 // signature handler (used for native methods only) | |
| 458 address signature_handler() const { return *(signature_handler_addr()); } | |
| 459 void set_signature_handler(address handler); | |
| 460 | |
| 461 // Interpreter oopmap support | |
| 462 void mask_for(int bci, InterpreterOopMap* mask); | |
| 463 | |
| 464 #ifndef PRODUCT | |
| 465 // operations on invocation counter | |
| 1783 | 466 void print_invocation_count(); |
| 0 | 467 #endif |
| 468 | |
| 469 // byte codes | |
|
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
977
diff
changeset
|
470 void set_code(address code) { return constMethod()->set_code(code); } |
| 0 | 471 address code_base() const { return constMethod()->code_base(); } |
| 472 bool contains(address bcp) const { return constMethod()->contains(bcp); } | |
| 473 | |
| 474 // prints byte codes | |
| 475 void print_codes() const { print_codes_on(tty); } | |
| 476 void print_codes_on(outputStream* st) const PRODUCT_RETURN; | |
| 477 void print_codes_on(int from, int to, outputStream* st) const PRODUCT_RETURN; | |
| 478 | |
| 479 // checked exceptions | |
| 480 int checked_exceptions_length() const | |
| 481 { return constMethod()->checked_exceptions_length(); } | |
| 482 CheckedExceptionElement* checked_exceptions_start() const | |
| 483 { return constMethod()->checked_exceptions_start(); } | |
| 484 | |
| 485 // localvariable table | |
| 486 bool has_localvariable_table() const | |
| 487 { return constMethod()->has_localvariable_table(); } | |
| 488 int localvariable_table_length() const | |
| 489 { return constMethod()->localvariable_table_length(); } | |
| 490 LocalVariableTableElement* localvariable_table_start() const | |
| 491 { return constMethod()->localvariable_table_start(); } | |
| 492 | |
| 493 bool has_linenumber_table() const | |
| 494 { return constMethod()->has_linenumber_table(); } | |
| 495 u_char* compressed_linenumber_table() const | |
| 496 { return constMethod()->compressed_linenumber_table(); } | |
| 497 | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
498 // method holder (the Klass* holding this method) |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
499 Klass* method_holder() const { return constants()->pool_holder(); } |
| 0 | 500 |
| 501 void compute_size_of_parameters(Thread *thread); // word size of parameters (receiver if any + arguments) | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2142
diff
changeset
|
502 Symbol* klass_name() const; // returns the name of the method holder |
| 0 | 503 BasicType result_type() const; // type of the method result |
| 504 int result_type_index() const; // type index of the method result | |
| 505 bool is_returning_oop() const { BasicType r = result_type(); return (r == T_OBJECT || r == T_ARRAY); } | |
| 506 bool is_returning_fp() const { BasicType r = result_type(); return (r == T_FLOAT || r == T_DOUBLE); } | |
| 507 | |
| 508 // Checked exceptions thrown by this method (resolved to mirrors) | |
| 509 objArrayHandle resolved_checked_exceptions(TRAPS) { return resolved_checked_exceptions_impl(this, THREAD); } | |
| 510 | |
| 511 // Access flags | |
| 512 bool is_public() const { return access_flags().is_public(); } | |
| 513 bool is_private() const { return access_flags().is_private(); } | |
| 514 bool is_protected() const { return access_flags().is_protected(); } | |
| 515 bool is_package_private() const { return !is_public() && !is_private() && !is_protected(); } | |
| 516 bool is_static() const { return access_flags().is_static(); } | |
| 517 bool is_final() const { return access_flags().is_final(); } | |
| 518 bool is_synchronized() const { return access_flags().is_synchronized();} | |
| 519 bool is_native() const { return access_flags().is_native(); } | |
| 520 bool is_abstract() const { return access_flags().is_abstract(); } | |
| 521 bool is_strict() const { return access_flags().is_strict(); } | |
| 522 bool is_synthetic() const { return access_flags().is_synthetic(); } | |
| 523 | |
| 524 // returns true if contains only return operation | |
| 525 bool is_empty_method() const; | |
| 526 | |
| 527 // returns true if this is a vanilla constructor | |
| 528 bool is_vanilla_constructor() const; | |
| 529 | |
| 530 // checks method and its method holder | |
| 531 bool is_final_method() const; | |
| 532 bool is_strict_method() const; | |
| 533 | |
| 534 // true if method needs no dynamic dispatch (final and/or no vtable entry) | |
| 535 bool can_be_statically_bound() const; | |
| 536 | |
| 537 // returns true if the method has any backward branches. | |
| 538 bool has_loops() { | |
| 539 return access_flags().loops_flag_init() ? access_flags().has_loops() : compute_has_loops_flag(); | |
| 540 }; | |
| 541 | |
| 542 bool compute_has_loops_flag(); | |
| 543 | |
| 544 bool has_jsrs() { | |
| 545 return access_flags().has_jsrs(); | |
| 546 }; | |
| 547 void set_has_jsrs() { | |
| 548 _access_flags.set_has_jsrs(); | |
| 549 } | |
| 550 | |
| 551 // returns true if the method has any monitors. | |
| 552 bool has_monitors() const { return is_synchronized() || access_flags().has_monitor_bytecodes(); } | |
| 553 bool has_monitor_bytecodes() const { return access_flags().has_monitor_bytecodes(); } | |
| 554 | |
| 555 void set_has_monitor_bytecodes() { _access_flags.set_has_monitor_bytecodes(); } | |
| 556 | |
| 557 // monitor matching. This returns a conservative estimate of whether the monitorenter/monitorexit bytecodes | |
| 558 // propererly nest in the method. It might return false, even though they actually nest properly, since the info. | |
| 559 // has not been computed yet. | |
| 560 bool guaranteed_monitor_matching() const { return access_flags().is_monitor_matching(); } | |
| 561 void set_guaranteed_monitor_matching() { _access_flags.set_monitor_matching(); } | |
| 562 | |
| 563 // returns true if the method is an accessor function (setter/getter). | |
| 564 bool is_accessor() const; | |
| 565 | |
| 566 // returns true if the method is an initializer (<init> or <clinit>). | |
| 567 bool is_initializer() const; | |
| 568 | |
|
2334
dbad0519a1c4
6845426: non-static <clinit> method with no args is called during the class initialization process
kamg
parents:
2243
diff
changeset
|
569 // returns true if the method is static OR if the classfile version < 51 |
|
dbad0519a1c4
6845426: non-static <clinit> method with no args is called during the class initialization process
kamg
parents:
2243
diff
changeset
|
570 bool has_valid_initializer_flags() const; |
|
dbad0519a1c4
6845426: non-static <clinit> method with no args is called during the class initialization process
kamg
parents:
2243
diff
changeset
|
571 |
|
dbad0519a1c4
6845426: non-static <clinit> method with no args is called during the class initialization process
kamg
parents:
2243
diff
changeset
|
572 // returns true if the method name is <clinit> and the method has |
|
dbad0519a1c4
6845426: non-static <clinit> method with no args is called during the class initialization process
kamg
parents:
2243
diff
changeset
|
573 // valid static initializer flags. |
|
dbad0519a1c4
6845426: non-static <clinit> method with no args is called during the class initialization process
kamg
parents:
2243
diff
changeset
|
574 bool is_static_initializer() const; |
|
dbad0519a1c4
6845426: non-static <clinit> method with no args is called during the class initialization process
kamg
parents:
2243
diff
changeset
|
575 |
| 0 | 576 // compiled code support |
| 577 // NOTE: code() is inherently racy as deopt can be clearing code | |
| 578 // simultaneously. Use with caution. | |
| 579 bool has_compiled_code() const { return code() != NULL; } | |
| 580 | |
| 581 // sizing | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
582 static int header_size() { return sizeof(Method)/HeapWordSize; } |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
583 static int size(bool is_native); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
584 int size() const { return method_size(); } |
| 0 | 585 |
| 586 // interpreter support | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
587 static ByteSize const_offset() { return byte_offset_of(Method, _constMethod ); } |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
588 static ByteSize access_flags_offset() { return byte_offset_of(Method, _access_flags ); } |
| 0 | 589 #ifdef CC_INTERP |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
590 static ByteSize result_index_offset() { return byte_offset_of(Method, _result_index ); } |
| 0 | 591 #endif /* CC_INTERP */ |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
592 static ByteSize size_of_locals_offset() { return byte_offset_of(Method, _max_locals ); } |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
593 static ByteSize size_of_parameters_offset() { return byte_offset_of(Method, _size_of_parameters); } |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
594 static ByteSize from_compiled_offset() { return byte_offset_of(Method, _from_compiled_entry); } |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
595 static ByteSize code_offset() { return byte_offset_of(Method, _code); } |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
596 static ByteSize invocation_counter_offset() { return byte_offset_of(Method, _invocation_counter); } |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
597 static ByteSize backedge_counter_offset() { return byte_offset_of(Method, _backedge_counter); } |
| 0 | 598 static ByteSize method_data_offset() { |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
599 return byte_offset_of(Method, _method_data); |
| 0 | 600 } |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
601 static ByteSize interpreter_invocation_counter_offset() { return byte_offset_of(Method, _interpreter_invocation_count); } |
| 0 | 602 #ifndef PRODUCT |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
603 static ByteSize compiled_invocation_counter_offset() { return byte_offset_of(Method, _compiled_invocation_count); } |
| 0 | 604 #endif // not PRODUCT |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
605 static ByteSize native_function_offset() { return in_ByteSize(sizeof(Method)); } |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
606 static ByteSize from_interpreted_offset() { return byte_offset_of(Method, _from_interpreted_entry ); } |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
607 static ByteSize interpreter_entry_offset() { return byte_offset_of(Method, _i2i_entry ); } |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
608 static ByteSize signature_handler_offset() { return in_ByteSize(sizeof(Method) + wordSize); } |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
609 static ByteSize max_stack_offset() { return byte_offset_of(Method, _max_stack ); } |
| 0 | 610 |
| 611 // for code generation | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
612 static int method_data_offset_in_bytes() { return offset_of(Method, _method_data); } |
| 0 | 613 static int interpreter_invocation_counter_offset_in_bytes() |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
614 { return offset_of(Method, _interpreter_invocation_count); } |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
615 static int intrinsic_id_offset_in_bytes() { return offset_of(Method, _intrinsic_id); } |
|
1793
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1783
diff
changeset
|
616 static int intrinsic_id_size_in_bytes() { return sizeof(u1); } |
| 0 | 617 |
| 618 // Static methods that are used to implement member methods where an exposed this pointer | |
| 619 // is needed due to possible GCs | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
620 static objArrayHandle resolved_checked_exceptions_impl(Method* this_oop, TRAPS); |
| 0 | 621 |
| 622 // Returns the byte code index from the byte code pointer | |
| 623 int bci_from(address bcp) const; | |
| 624 address bcp_from(int bci) const; | |
| 625 int validate_bci_from_bcx(intptr_t bcx) const; | |
| 626 | |
| 627 // Returns the line number for a bci if debugging information for the method is prowided, | |
| 628 // -1 is returned otherwise. | |
| 629 int line_number_from_bci(int bci) const; | |
| 630 | |
| 631 // Reflection support | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
632 bool is_overridden_in(Klass* k) const; |
| 0 | 633 |
| 710 | 634 // JSR 292 support |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6227
diff
changeset
|
635 bool is_method_handle_intrinsic() const; // MethodHandles::is_signature_polymorphic_intrinsic(intrinsic_id) |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6227
diff
changeset
|
636 bool is_compiled_lambda_form() const; // intrinsic_id() == vmIntrinsics::_compiledLambdaForm |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6227
diff
changeset
|
637 bool has_member_arg() const; // intrinsic_id() == vmIntrinsics::_linkToSpecial, etc. |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6227
diff
changeset
|
638 static methodHandle make_method_handle_intrinsic(vmIntrinsics::ID iid, // _invokeBasic, _linkToVirtual |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6227
diff
changeset
|
639 Symbol* signature, //anything at all |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6227
diff
changeset
|
640 TRAPS); |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
641 static Klass* check_non_bcp_klass(Klass* klass); |
| 710 | 642 // these operate only on invoke methods: |
| 643 // presize interpreter frames for extra interpreter stack entries, if needed | |
|
726
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
710
diff
changeset
|
644 // method handles want to be able to push a few extra values (e.g., a bound receiver), and |
|
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
710
diff
changeset
|
645 // invokedynamic sometimes needs to push a bootstrap method, call site, and arglist, |
|
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
710
diff
changeset
|
646 // all without checking for a stack overflow |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6227
diff
changeset
|
647 static int extra_stack_entries() { return EnableInvokeDynamic ? 2 : 0; } |
| 710 | 648 static int extra_stack_words(); // = extra_stack_entries() * Interpreter::stackElementSize() |
|
1152
cd37471eaecc
6914206: change way of permission checking for generated MethodHandle adapters
twisti
parents:
1138
diff
changeset
|
649 |
| 0 | 650 // RedefineClasses() support: |
| 651 bool is_old() const { return access_flags().is_old(); } | |
| 652 void set_is_old() { _access_flags.set_is_old(); } | |
| 653 bool is_obsolete() const { return access_flags().is_obsolete(); } | |
| 654 void set_is_obsolete() { _access_flags.set_is_obsolete(); } | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
655 bool on_stack() const { return access_flags().on_stack(); } |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
656 void set_on_stack(const bool value); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
657 |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
658 // see the definition in Method*.cpp for the gory details |
|
48
d8b3ef7ee3e5
6599425: 4/3 OopMapCache::lookup() can cause later crash or assert() failure
dcubed
parents:
0
diff
changeset
|
659 bool should_not_be_cached() const; |
| 0 | 660 |
| 661 // JVMTI Native method prefixing support: | |
| 662 bool is_prefixed_native() const { return access_flags().is_prefixed_native(); } | |
| 663 void set_is_prefixed_native() { _access_flags.set_is_prefixed_native(); } | |
| 664 | |
| 665 // Rewriting support | |
| 666 static methodHandle clone_with_new_data(methodHandle m, u_char* new_code, int new_code_length, | |
| 667 u_char* new_compressed_linenumber_table, int new_compressed_linenumber_size, TRAPS); | |
| 668 | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
669 // jmethodID handling |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
670 // Because the useful life-span of a jmethodID cannot be determined, |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
671 // once created they are never reclaimed. The methods to which they refer, |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
672 // however, can be GC'ed away if the class is unloaded or if the method is |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
673 // made obsolete or deleted -- in these cases, the jmethodID |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
674 // refers to NULL (as is the case for any weak reference). |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
675 static jmethodID make_jmethod_id(ClassLoaderData* loader_data, Method* mh); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
676 static void destroy_jmethod_id(ClassLoaderData* loader_data, jmethodID mid); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
677 |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
678 // Use resolve_jmethod_id() in situations where the caller is expected |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
679 // to provide a valid jmethodID; the only sanity checks are in asserts; |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
680 // result guaranteed not to be NULL. |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
681 inline static Method* resolve_jmethod_id(jmethodID mid) { |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
682 assert(mid != NULL, "JNI method id should not be null"); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
683 return *((Method**)mid); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
684 } |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
685 |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
686 // Use checked_resolve_jmethod_id() in situations where the caller |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
687 // should provide a valid jmethodID, but might not. NULL is returned |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
688 // when the jmethodID does not refer to a valid method. |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
689 static Method* checked_resolve_jmethod_id(jmethodID mid); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
690 |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
691 static void change_method_associated_with_jmethod_id(jmethodID old_jmid_ptr, Method* new_method); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
692 static bool is_method_id(jmethodID mid); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
693 |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
694 // Clear methods |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
695 static void clear_jmethod_ids(ClassLoaderData* loader_data); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
696 static void print_jmethod_ids(ClassLoaderData* loader_data, outputStream* out) PRODUCT_RETURN; |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
697 |
| 0 | 698 // Get this method's jmethodID -- allocate if it doesn't exist |
| 699 jmethodID jmethod_id() { methodHandle this_h(this); | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
700 return InstanceKlass::get_jmethod_id(InstanceKlass::cast(method_holder()), this_h); } |
| 0 | 701 |
| 702 // Lookup the jmethodID for this method. Return NULL if not found. | |
| 703 // NOTE that this function can be called from a signal handler | |
| 704 // (see AsyncGetCallTrace support for Forte Analyzer) and this | |
| 705 // needs to be async-safe. No allocation should be done and | |
| 706 // so handles are not used to avoid deadlock. | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
707 jmethodID find_jmethod_id_or_null() { return InstanceKlass::cast(method_holder())->jmethod_id_or_null(this); } |
| 0 | 708 |
| 709 // JNI static invoke cached itable index accessors | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
710 int cached_itable_index() { return InstanceKlass::cast(method_holder())->cached_itable_index(method_idnum()); } |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
711 void set_cached_itable_index(int index) { InstanceKlass::cast(method_holder())->set_cached_itable_index(method_idnum(), index); } |
| 0 | 712 |
| 713 // Support for inlining of intrinsic methods | |
|
856
75596850f863
6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents:
726
diff
changeset
|
714 vmIntrinsics::ID intrinsic_id() const { return (vmIntrinsics::ID) _intrinsic_id; } |
|
75596850f863
6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents:
726
diff
changeset
|
715 void set_intrinsic_id(vmIntrinsics::ID id) { _intrinsic_id = (u1) id; } |
|
75596850f863
6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents:
726
diff
changeset
|
716 |
|
75596850f863
6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents:
726
diff
changeset
|
717 // Helper routines for intrinsic_id() and vmIntrinsics::method(). |
|
75596850f863
6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents:
726
diff
changeset
|
718 void init_intrinsic_id(); // updates from _none if a match |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
719 static vmSymbols::SID klass_id_for_intrinsics(Klass* holder); |
| 0 | 720 |
|
4800
94ec88ca68e2
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
phh
parents:
3785
diff
changeset
|
721 bool jfr_towrite() { return _jfr_towrite; } |
|
94ec88ca68e2
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
phh
parents:
3785
diff
changeset
|
722 void set_jfr_towrite(bool towrite) { _jfr_towrite = towrite; } |
|
94ec88ca68e2
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
phh
parents:
3785
diff
changeset
|
723 |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6227
diff
changeset
|
724 bool force_inline() { return _force_inline; } |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6227
diff
changeset
|
725 void set_force_inline(bool x) { _force_inline = x; } |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6227
diff
changeset
|
726 bool dont_inline() { return _dont_inline; } |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6227
diff
changeset
|
727 void set_dont_inline(bool x) { _dont_inline = x; } |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6227
diff
changeset
|
728 bool is_hidden() { return _hidden; } |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6227
diff
changeset
|
729 void set_hidden(bool x) { _hidden = x; } |
| 6934 | 730 ConstMethod::MethodType method_type() const { |
| 731 return _constMethod->method_type(); | |
| 732 } | |
| 733 bool is_overpass() const { return method_type() == ConstMethod::OVERPASS; } | |
|
6222
6d8f36bcef55
6711908: JVM needs direct access to some annotations
jrose
parents:
6146
diff
changeset
|
734 |
| 0 | 735 // On-stack replacement support |
| 1783 | 736 bool has_osr_nmethod(int level, bool match_level) { |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
737 return InstanceKlass::cast(method_holder())->lookup_osr_nmethod(this, InvocationEntryBci, level, match_level) != NULL; |
| 1783 | 738 } |
| 739 | |
| 740 nmethod* lookup_osr_nmethod_for(int bci, int level, bool match_level) { | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
741 return InstanceKlass::cast(method_holder())->lookup_osr_nmethod(this, bci, level, match_level); |
| 1783 | 742 } |
| 0 | 743 |
| 744 // Inline cache support | |
| 745 void cleanup_inline_caches(); | |
| 746 | |
| 747 // Find if klass for method is loaded | |
| 748 bool is_klass_loaded_by_klass_index(int klass_index) const; | |
| 749 bool is_klass_loaded(int refinfo_index, bool must_be_resolved = false) const; | |
| 750 | |
| 751 // Indicates whether compilation failed earlier for this method, or | |
| 752 // whether it is not compilable for another reason like having a | |
| 753 // breakpoint set in it. | |
|
6800
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6733
diff
changeset
|
754 bool is_not_compilable(int comp_level = CompLevel_any) const; |
| 1783 | 755 void set_not_compilable(int comp_level = CompLevel_all, bool report = true); |
| 756 void set_not_compilable_quietly(int comp_level = CompLevel_all) { | |
|
1208
cef333a48af6
6923043: failed nightly tests which use -XX:+PrintCompilation -Xcomp -XX:CompileOnly
kvn
parents:
1202
diff
changeset
|
757 set_not_compilable(comp_level, false); |
|
cef333a48af6
6923043: failed nightly tests which use -XX:+PrintCompilation -Xcomp -XX:CompileOnly
kvn
parents:
1202
diff
changeset
|
758 } |
|
6800
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6733
diff
changeset
|
759 bool is_not_osr_compilable(int comp_level = CompLevel_any) const; |
|
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6733
diff
changeset
|
760 void set_not_osr_compilable(int comp_level = CompLevel_all, bool report = true); |
|
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6733
diff
changeset
|
761 void set_not_osr_compilable_quietly(int comp_level = CompLevel_all) { |
|
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6733
diff
changeset
|
762 set_not_osr_compilable(comp_level, false); |
| 1783 | 763 } |
|
6800
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6733
diff
changeset
|
764 |
|
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6733
diff
changeset
|
765 private: |
|
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6733
diff
changeset
|
766 void print_made_not_compilable(int comp_level, bool is_osr, bool report); |
|
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6733
diff
changeset
|
767 |
|
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6733
diff
changeset
|
768 public: |
|
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6733
diff
changeset
|
769 bool is_not_c1_compilable() const { return access_flags().is_not_c1_compilable(); } |
|
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6733
diff
changeset
|
770 void set_not_c1_compilable() { _access_flags.set_not_c1_compilable(); } |
|
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6733
diff
changeset
|
771 bool is_not_c2_compilable() const { return access_flags().is_not_c2_compilable(); } |
|
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6733
diff
changeset
|
772 void set_not_c2_compilable() { _access_flags.set_not_c2_compilable(); } |
|
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6733
diff
changeset
|
773 |
|
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6733
diff
changeset
|
774 bool is_not_c1_osr_compilable() const { return is_not_c1_compilable(); } // don't waste an accessFlags bit |
|
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6733
diff
changeset
|
775 void set_not_c1_osr_compilable() { set_not_c1_compilable(); } // don't waste an accessFlags bit |
|
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6733
diff
changeset
|
776 bool is_not_c2_osr_compilable() const { return access_flags().is_not_c2_osr_compilable(); } |
|
9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents:
6733
diff
changeset
|
777 void set_not_c2_osr_compilable() { _access_flags.set_not_c2_osr_compilable(); } |
| 0 | 778 |
| 779 // Background compilation support | |
| 1783 | 780 bool queued_for_compilation() const { return access_flags().queued_for_compilation(); } |
| 781 void set_queued_for_compilation() { _access_flags.set_queued_for_compilation(); } | |
| 782 void clear_queued_for_compilation() { _access_flags.clear_queued_for_compilation(); } | |
| 0 | 783 |
| 784 // Resolve all classes in signature, return 'true' if successful | |
| 785 static bool load_signature_classes(methodHandle m, TRAPS); | |
| 786 | |
| 787 // Return if true if not all classes references in signature, including return type, has been loaded | |
| 788 static bool has_unloaded_classes_in_signature(methodHandle m, TRAPS); | |
| 789 | |
| 790 // Printing | |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6227
diff
changeset
|
791 void print_short_name(outputStream* st = tty) /*PRODUCT_RETURN*/; // prints as klassname::methodname; Exposed so field engineers can debug VM |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6227
diff
changeset
|
792 void print_name(outputStream* st = tty) PRODUCT_RETURN; // prints as "virtual void foo(int)" |
| 0 | 793 |
| 794 // Helper routine used for method sorting | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
795 static void sort_methods(Array<Method*>* methods, |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
796 Array<AnnotationArray*>* methods_annotations, |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
797 Array<AnnotationArray*>* methods_parameter_annotations, |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
798 Array<AnnotationArray*>* methods_default_annotations, |
| 0 | 799 bool idempotent = false); |
| 800 | |
| 801 // size of parameters | |
| 802 void set_size_of_parameters(int size) { _size_of_parameters = size; } | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
803 |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
804 // Deallocation function for redefine classes or if an error occurs |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
805 void deallocate_contents(ClassLoaderData* loader_data); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
806 |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
807 // Printing |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
808 #ifndef PRODUCT |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
809 void print_on(outputStream* st) const; |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
810 #endif |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
811 void print_value_on(outputStream* st) const; |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
812 |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
813 const char* internal_name() const { return "{method}"; } |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
814 |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
815 // Verify |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
816 void verify() { verify_on(tty); } |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
817 void verify_on(outputStream* st); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
818 |
| 0 | 819 private: |
| 820 | |
| 821 // Inlined elements | |
| 822 address* native_function_addr() const { assert(is_native(), "must be native"); return (address*) (this+1); } | |
| 823 address* signature_handler_addr() const { return native_function_addr() + 1; } | |
| 824 }; | |
| 825 | |
| 826 | |
| 827 // Utility class for compressing line number tables | |
| 828 | |
| 829 class CompressedLineNumberWriteStream: public CompressedWriteStream { | |
| 830 private: | |
| 831 int _bci; | |
| 832 int _line; | |
| 833 public: | |
| 834 // Constructor | |
| 835 CompressedLineNumberWriteStream(int initial_size) : CompressedWriteStream(initial_size), _bci(0), _line(0) {} | |
| 836 CompressedLineNumberWriteStream(u_char* buffer, int initial_size) : CompressedWriteStream(buffer, initial_size), _bci(0), _line(0) {} | |
| 837 | |
| 838 // Write (bci, line number) pair to stream | |
| 839 void write_pair_regular(int bci_delta, int line_delta); | |
| 840 | |
| 841 inline void write_pair_inline(int bci, int line) { | |
| 842 int bci_delta = bci - _bci; | |
| 843 int line_delta = line - _line; | |
| 844 _bci = bci; | |
| 845 _line = line; | |
| 846 // Skip (0,0) deltas - they do not add information and conflict with terminator. | |
| 847 if (bci_delta == 0 && line_delta == 0) return; | |
| 848 // Check if bci is 5-bit and line number 3-bit unsigned. | |
| 849 if (((bci_delta & ~0x1F) == 0) && ((line_delta & ~0x7) == 0)) { | |
| 850 // Compress into single byte. | |
| 851 jubyte value = ((jubyte) bci_delta << 3) | (jubyte) line_delta; | |
| 852 // Check that value doesn't match escape character. | |
| 853 if (value != 0xFF) { | |
| 854 write_byte(value); | |
| 855 return; | |
| 856 } | |
| 857 } | |
| 858 write_pair_regular(bci_delta, line_delta); | |
| 859 } | |
| 860 | |
| 861 // Windows AMD64 + Apr 2005 PSDK with /O2 generates bad code for write_pair. | |
| 862 // Disabling optimization doesn't work for methods in header files | |
| 863 // so we force it to call through the non-optimized version in the .cpp. | |
| 864 // It's gross, but it's the only way we can ensure that all callers are | |
|
2233
15d6977f04b0
7017824: Add support for creating 64-bit Visual Studio projects
sla
parents:
2177
diff
changeset
|
865 // fixed. _MSC_VER is defined by the windows compiler |
|
15d6977f04b0
7017824: Add support for creating 64-bit Visual Studio projects
sla
parents:
2177
diff
changeset
|
866 #if defined(_M_AMD64) && _MSC_VER >= 1400 |
| 0 | 867 void write_pair(int bci, int line); |
| 868 #else | |
| 869 void write_pair(int bci, int line) { write_pair_inline(bci, line); } | |
| 870 #endif | |
| 871 | |
| 872 // Write end-of-stream marker | |
| 873 void write_terminator() { write_byte(0); } | |
| 874 }; | |
| 875 | |
| 876 | |
| 877 // Utility class for decompressing line number tables | |
| 878 | |
| 879 class CompressedLineNumberReadStream: public CompressedReadStream { | |
| 880 private: | |
| 881 int _bci; | |
| 882 int _line; | |
| 883 public: | |
| 884 // Constructor | |
| 885 CompressedLineNumberReadStream(u_char* buffer); | |
| 886 // Read (bci, line number) pair from stream. Returns false at end-of-stream. | |
| 887 bool read_pair(); | |
| 888 // Accessing bci and line number (after calling read_pair) | |
| 889 int bci() const { return _bci; } | |
| 890 int line() const { return _line; } | |
| 891 }; | |
| 892 | |
| 893 | |
| 894 /// Fast Breakpoints. | |
| 895 | |
| 896 // If this structure gets more complicated (because bpts get numerous), | |
| 897 // move it into its own header. | |
| 898 | |
| 899 // There is presently no provision for concurrent access | |
| 900 // to breakpoint lists, which is only OK for JVMTI because | |
| 901 // breakpoints are written only at safepoints, and are read | |
| 902 // concurrently only outside of safepoints. | |
| 903 | |
| 6197 | 904 class BreakpointInfo : public CHeapObj<mtClass> { |
| 0 | 905 friend class VMStructs; |
| 906 private: | |
| 907 Bytecodes::Code _orig_bytecode; | |
| 908 int _bci; | |
| 909 u2 _name_index; // of method | |
| 910 u2 _signature_index; // of method | |
| 911 BreakpointInfo* _next; // simple storage allocation | |
| 912 | |
| 913 public: | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
914 BreakpointInfo(Method* m, int bci); |
| 0 | 915 |
| 916 // accessors | |
| 917 Bytecodes::Code orig_bytecode() { return _orig_bytecode; } | |
| 918 void set_orig_bytecode(Bytecodes::Code code) { _orig_bytecode = code; } | |
| 919 int bci() { return _bci; } | |
| 920 | |
| 921 BreakpointInfo* next() const { return _next; } | |
| 922 void set_next(BreakpointInfo* n) { _next = n; } | |
| 923 | |
| 924 // helps for searchers | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
925 bool match(const Method* m, int bci) { |
| 0 | 926 return bci == _bci && match(m); |
| 927 } | |
| 928 | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
929 bool match(const Method* m) { |
| 0 | 930 return _name_index == m->name_index() && |
| 931 _signature_index == m->signature_index(); | |
| 932 } | |
| 933 | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
934 void set(Method* method); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
935 void clear(Method* method); |
| 0 | 936 }; |
| 1972 | 937 |
|
6213
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
938 // Utility class for access exception handlers |
|
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
939 class ExceptionTable : public StackObj { |
|
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
940 private: |
|
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
941 ExceptionTableElement* _table; |
|
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
942 u2 _length; |
|
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
943 |
|
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
944 public: |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
945 ExceptionTable(Method* m) { |
|
6213
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
946 if (m->has_exception_handler()) { |
|
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
947 _table = m->exception_table_start(); |
|
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
948 _length = m->exception_table_length(); |
|
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
949 } else { |
|
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
950 _table = NULL; |
|
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
951 _length = 0; |
|
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
952 } |
|
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
953 } |
|
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
954 |
|
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
955 int length() const { |
|
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
956 return _length; |
|
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
957 } |
|
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
958 |
|
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
959 u2 start_pc(int idx) const { |
|
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
960 assert(idx < _length, "out of bounds"); |
|
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
961 return _table[idx].start_pc; |
|
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
962 } |
|
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
963 |
|
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
964 void set_start_pc(int idx, u2 value) { |
|
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
965 assert(idx < _length, "out of bounds"); |
|
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
966 _table[idx].start_pc = value; |
|
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
967 } |
|
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
968 |
|
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
969 u2 end_pc(int idx) const { |
|
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
970 assert(idx < _length, "out of bounds"); |
|
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
971 return _table[idx].end_pc; |
|
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
972 } |
|
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
973 |
|
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
974 void set_end_pc(int idx, u2 value) { |
|
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
975 assert(idx < _length, "out of bounds"); |
|
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
976 _table[idx].end_pc = value; |
|
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
977 } |
|
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
978 |
|
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
979 u2 handler_pc(int idx) const { |
|
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
980 assert(idx < _length, "out of bounds"); |
|
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
981 return _table[idx].handler_pc; |
|
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
982 } |
|
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
983 |
|
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
984 void set_handler_pc(int idx, u2 value) { |
|
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
985 assert(idx < _length, "out of bounds"); |
|
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
986 _table[idx].handler_pc = value; |
|
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
987 } |
|
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
988 |
|
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
989 u2 catch_type_index(int idx) const { |
|
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
990 assert(idx < _length, "out of bounds"); |
|
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
991 return _table[idx].catch_type_index; |
|
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
992 } |
|
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
993 |
|
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
994 void set_catch_type_index(int idx, u2 value) { |
|
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
995 assert(idx < _length, "out of bounds"); |
|
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
996 _table[idx].catch_type_index = value; |
|
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
997 } |
|
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
998 }; |
|
8150fa46d2ed
7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
jiangli
parents:
6146
diff
changeset
|
999 |
| 1972 | 1000 #endif // SHARE_VM_OOPS_METHODOOP_HPP |