Mercurial > hg > truffle
annotate src/share/vm/code/nmethod.hpp @ 14733:b10e42998d01
nmethod: fix -XX:+PrintNMethodStatistics
| author | Bernhard Urban <bernhard.urban@jku.at> |
|---|---|
| date | Tue, 25 Mar 2014 16:38:01 +0100 |
| parents | 29ccc4cbabca |
| children | 4ca6dc0799b6 |
| rev | line source |
|---|---|
| 0 | 1 /* |
|
12146
9758d9f36299
8021954: VM SIGSEGV during classloading on MacOS; hs_err_pid file produced
coleenp
parents:
12080
diff
changeset
|
2 * Copyright (c) 1997, 2013, 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:
1538
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
|
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1538
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:
1538
diff
changeset
|
21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 1972 | 25 #ifndef SHARE_VM_CODE_NMETHOD_HPP |
| 26 #define SHARE_VM_CODE_NMETHOD_HPP | |
| 27 | |
| 28 #include "code/codeBlob.hpp" | |
| 29 #include "code/pcDesc.hpp" | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
30 #include "oops/metadata.hpp" |
| 1972 | 31 |
| 0 | 32 // This class is used internally by nmethods, to cache |
| 33 // exception/pc/handler information. | |
| 34 | |
| 6197 | 35 class ExceptionCache : public CHeapObj<mtCode> { |
| 0 | 36 friend class VMStructs; |
| 37 private: | |
| 38 enum { cache_size = 16 }; | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
39 Klass* _exception_type; |
| 0 | 40 address _pc[cache_size]; |
| 41 address _handler[cache_size]; | |
| 42 int _count; | |
| 43 ExceptionCache* _next; | |
| 44 | |
| 45 address pc_at(int index) { assert(index >= 0 && index < count(),""); return _pc[index]; } | |
| 46 void set_pc_at(int index, address a) { assert(index >= 0 && index < cache_size,""); _pc[index] = a; } | |
| 47 address handler_at(int index) { assert(index >= 0 && index < count(),""); return _handler[index]; } | |
| 48 void set_handler_at(int index, address a) { assert(index >= 0 && index < cache_size,""); _handler[index] = a; } | |
| 49 int count() { return _count; } | |
| 50 void increment_count() { _count++; } | |
| 51 | |
| 52 public: | |
| 53 | |
| 54 ExceptionCache(Handle exception, address pc, address handler); | |
| 55 | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
56 Klass* exception_type() { return _exception_type; } |
| 0 | 57 ExceptionCache* next() { return _next; } |
| 58 void set_next(ExceptionCache *ec) { _next = ec; } | |
| 59 | |
| 60 address match(Handle exception, address pc); | |
| 61 bool match_exception_with_space(Handle exception) ; | |
| 62 address test_address(address addr); | |
| 63 bool add_address_and_handler(address addr, address handler) ; | |
| 64 }; | |
| 65 | |
| 66 | |
| 67 // cache pc descs found in earlier inquiries | |
| 68 class PcDescCache VALUE_OBJ_CLASS_SPEC { | |
| 69 friend class VMStructs; | |
| 70 private: | |
| 71 enum { cache_size = 4 }; | |
| 72 PcDesc* _pc_descs[cache_size]; // last cache_size pc_descs found | |
| 73 public: | |
|
2339
3d5a546351ef
7023931: PcDescCache::find_pc_desc should not write _last_pc_desc
phh
parents:
2321
diff
changeset
|
74 PcDescCache() { debug_only(_pc_descs[0] = NULL); } |
| 0 | 75 void reset_to(PcDesc* initial_pc_desc); |
| 76 PcDesc* find_pc_desc(int pc_offset, bool approximate); | |
| 77 void add_pc_desc(PcDesc* pc_desc); | |
|
2339
3d5a546351ef
7023931: PcDescCache::find_pc_desc should not write _last_pc_desc
phh
parents:
2321
diff
changeset
|
78 PcDesc* last_pc_desc() { return _pc_descs[0]; } |
| 0 | 79 }; |
| 80 | |
| 81 | |
| 82 // nmethods (native methods) are the compiled code versions of Java methods. | |
|
1644
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
83 // |
|
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
84 // An nmethod contains: |
| 0 | 85 // - header (the nmethod structure) |
| 86 // [Relocation] | |
| 87 // - relocation information | |
| 88 // - constant part (doubles, longs and floats used in nmethod) | |
|
1563
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
89 // - oop table |
| 0 | 90 // [Code] |
| 91 // - code body | |
| 92 // - exception handler | |
| 93 // - stub code | |
| 94 // [Debugging information] | |
| 95 // - oop array | |
| 96 // - data array | |
| 97 // - pcs | |
| 98 // [Exception handler table] | |
| 99 // - handler entry point array | |
| 100 // [Implicit Null Pointer exception table] | |
| 101 // - implicit null table array | |
| 102 | |
| 103 class Dependencies; | |
| 104 class ExceptionHandlerTable; | |
| 105 class ImplicitExceptionTable; | |
| 106 class AbstractCompiler; | |
| 107 class xmlStream; | |
| 108 | |
| 109 class nmethod : public CodeBlob { | |
| 110 friend class VMStructs; | |
| 111 friend class NMethodSweeper; | |
|
3377
2aa9ddbb9e60
7041789: 30% perf regression with c2/arm following 7017732
jmasa
parents:
2405
diff
changeset
|
112 friend class CodeCache; // scavengable oops |
| 0 | 113 private: |
| 114 // Shared fields for all nmethod's | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
115 Method* _method; |
| 0 | 116 int _entry_bci; // != InvocationEntryBci if this nmethod is an on-stack replacement method |
|
1616
38e8278318ca
6656830: assert((*p)->is_oop(),"expected an oop while scanning weak refs")
never
parents:
1579
diff
changeset
|
117 jmethodID _jmethod_id; // Cache of method()->jmethod_id() |
| 0 | 118 |
|
6948
e522a00b91aa
Merge with http://hg.openjdk.java.net/hsx/hsx25/hotspot/ after NPG - C++ build works
Doug Simon <doug.simon@oracle.com>
diff
changeset
|
119 #ifdef GRAAL |
|
e522a00b91aa
Merge with http://hg.openjdk.java.net/hsx/hsx25/hotspot/ after NPG - C++ build works
Doug Simon <doug.simon@oracle.com>
diff
changeset
|
120 // Needed to keep nmethods alive that are not the default nmethod for the associated Method. |
|
e522a00b91aa
Merge with http://hg.openjdk.java.net/hsx/hsx25/hotspot/ after NPG - C++ build works
Doug Simon <doug.simon@oracle.com>
diff
changeset
|
121 oop _graal_installed_code; |
|
13641
5a9afbf72714
Add a speculation oop for uncommon trap deoptimization. Save it in the SpeculationLog during deoptimization.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
13451
diff
changeset
|
122 oop _speculation_log; |
|
6948
e522a00b91aa
Merge with http://hg.openjdk.java.net/hsx/hsx25/hotspot/ after NPG - C++ build works
Doug Simon <doug.simon@oracle.com>
diff
changeset
|
123 #endif |
|
3683
345c3bbf9c3c
store RiCompiledMethod in nmethod and:
Lukas Stadler <lukas.stadler@jku.at>
parents:
3464
diff
changeset
|
124 |
|
989
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
605
diff
changeset
|
125 // To support simple linked-list chaining of nmethods: |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
126 nmethod* _osr_link; // from InstanceKlass::osr_nmethods_head |
|
989
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
605
diff
changeset
|
127 nmethod* _scavenge_root_link; // from CodeCache::scavenge_root_nmethods |
|
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
605
diff
changeset
|
128 |
|
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
605
diff
changeset
|
129 static nmethod* volatile _oops_do_mark_nmethods; |
|
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
605
diff
changeset
|
130 nmethod* volatile _oops_do_mark_link; |
| 0 | 131 |
| 132 AbstractCompiler* _compiler; // The compiler which compiled this nmethod | |
| 133 | |
|
1644
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
134 // offsets for entry points |
|
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
135 address _entry_point; // entry point with class check |
|
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
136 address _verified_entry_point; // entry point without class check |
|
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
137 address _osr_entry_point; // entry point for on stack replacement |
|
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
138 |
| 0 | 139 // Offsets for different nmethod parts |
| 140 int _exception_offset; | |
| 1204 | 141 // All deoptee's will resume execution at this location described by |
| 142 // this offset. | |
| 0 | 143 int _deoptimize_offset; |
| 1204 | 144 // All deoptee's at a MethodHandle call site will resume execution |
| 145 // at this location described by this offset. | |
| 146 int _deoptimize_mh_offset; | |
|
1378
9f5b60a14736
6939930: exception unwind changes in 6919934 hurts compilation speed
never
parents:
1204
diff
changeset
|
147 // Offset of the unwind handler if it exists |
|
9f5b60a14736
6939930: exception unwind changes in 6919934 hurts compilation speed
never
parents:
1204
diff
changeset
|
148 int _unwind_handler_offset; |
|
9f5b60a14736
6939930: exception unwind changes in 6919934 hurts compilation speed
never
parents:
1204
diff
changeset
|
149 |
|
116
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
150 #ifdef HAVE_DTRACE_H |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
151 int _trap_offset; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
152 #endif // def HAVE_DTRACE_H |
|
1762
0878d7bae69f
6961697: move nmethod constants section before instruction section
twisti
parents:
1748
diff
changeset
|
153 int _consts_offset; |
| 0 | 154 int _stub_offset; |
|
1563
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
155 int _oops_offset; // offset to where embedded oop table begins (inside data) |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
156 int _metadata_offset; // embedded meta data table |
| 0 | 157 int _scopes_data_offset; |
| 158 int _scopes_pcs_offset; | |
| 159 int _dependencies_offset; | |
| 160 int _handler_table_offset; | |
| 161 int _nul_chk_table_offset; | |
| 162 int _nmethod_end_offset; | |
| 163 | |
| 164 // location in frame (offset for sp) that deopt can store the original | |
| 165 // pc during a deopt. | |
| 166 int _orig_pc_offset; | |
| 167 | |
|
1644
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
168 int _compile_id; // which compilation made this nmethod |
|
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
169 int _comp_level; // compilation level |
|
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
170 |
|
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
171 // protected by CodeCache_lock |
|
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
172 bool _has_flushed_dependencies; // Used for maintenance of dependencies (CodeCache_lock) |
|
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
173 |
|
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
174 bool _marked_for_reclamation; // Used by NMethodSweeper (set only by sweeper) |
|
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
175 bool _marked_for_deoptimization; // Used for stack deoptimization |
| 0 | 176 |
|
1644
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
177 // used by jvmti to track if an unload event has been posted for this nmethod. |
|
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
178 bool _unload_reported; |
| 0 | 179 |
|
1644
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
180 // set during construction |
|
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
181 unsigned int _has_unsafe_access:1; // May fault due to unsafe access. |
|
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
182 unsigned int _has_method_handle_invokes:1; // Has this method MethodHandle invokes? |
|
4873
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
3899
diff
changeset
|
183 unsigned int _lazy_critical_native:1; // Lazy JNI critical native |
|
6792
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6725
diff
changeset
|
184 unsigned int _has_wide_vectors:1; // Preserve wide vectors at safepoints |
|
10577
9c7d9e2c8326
PTX kernel execution - no args or return value
Morris Meyer <morris.meyer@oracle.com>
parents:
10031
diff
changeset
|
185 unsigned int _external_method:1; // Set for GPU methods |
|
1644
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
186 |
|
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
187 // Protected by Patching_lock |
|
12324
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
12146
diff
changeset
|
188 volatile unsigned char _state; // {alive, not_entrant, zombie, unloaded} |
|
1644
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
189 |
| 1726 | 190 #ifdef ASSERT |
| 191 bool _oops_are_stale; // indicates that it's no longer safe to access oops section | |
| 192 #endif | |
| 193 | |
| 13441 | 194 enum { in_use = 0, // executable nmethod |
| 195 not_entrant = 1, // marked for deoptimization but activations may still exist, | |
| 196 // will be transformed to zombie when all activations are gone | |
| 197 zombie = 2, // no activations exist, nmethod is ready for purge | |
| 198 unloaded = 3 }; // there should be no activations, should not be called, | |
| 199 // will be transformed to zombie immediately | |
| 0 | 200 |
|
989
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
605
diff
changeset
|
201 jbyte _scavenge_root_state; |
|
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
605
diff
changeset
|
202 |
|
2342
46a56fac55c7
7024970: 2/3 assert(ServiceThread::is_service_thread(Thread::current())) failed: Service thread must post enqueue
dcubed
parents:
2321
diff
changeset
|
203 // Nmethod Flushing lock. If non-zero, then the nmethod is not removed |
|
46a56fac55c7
7024970: 2/3 assert(ServiceThread::is_service_thread(Thread::current())) failed: Service thread must post enqueue
dcubed
parents:
2321
diff
changeset
|
204 // and is not made into a zombie. However, once the nmethod is made into |
|
46a56fac55c7
7024970: 2/3 assert(ServiceThread::is_service_thread(Thread::current())) failed: Service thread must post enqueue
dcubed
parents:
2321
diff
changeset
|
205 // a zombie, it will be locked one final time if CompiledMethodUnload |
|
46a56fac55c7
7024970: 2/3 assert(ServiceThread::is_service_thread(Thread::current())) failed: Service thread must post enqueue
dcubed
parents:
2321
diff
changeset
|
206 // event processing needs to be done. |
| 0 | 207 jint _lock_count; |
| 208 | |
| 209 // not_entrant method removal. Each mark_sweep pass will update | |
| 210 // this mark to current sweep invocation count if it is seen on the | |
|
12324
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
12146
diff
changeset
|
211 // stack. An not_entrant method can be removed when there are no |
| 0 | 212 // more activations, i.e., when the _stack_traversal_mark is less than |
| 213 // current sweep traversal index. | |
| 214 long _stack_traversal_mark; | |
| 215 | |
|
12324
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
12146
diff
changeset
|
216 // The _hotness_counter indicates the hotness of a method. The higher |
|
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
12146
diff
changeset
|
217 // the value the hotter the method. The hotness counter of a nmethod is |
|
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
12146
diff
changeset
|
218 // set to [(ReservedCodeCacheSize / (1024 * 1024)) * 2] each time the method |
|
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
12146
diff
changeset
|
219 // is active while stack scanning (mark_active_nmethods()). The hotness |
|
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
12146
diff
changeset
|
220 // counter is decreased (by 1) while sweeping. |
|
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
12146
diff
changeset
|
221 int _hotness_counter; |
|
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
12146
diff
changeset
|
222 |
| 0 | 223 ExceptionCache *_exception_cache; |
| 224 PcDescCache _pc_desc_cache; | |
| 225 | |
| 2019 | 226 // These are used for compiled synchronized native methods to |
| 0 | 227 // locate the owner and stack slot for the BasicLock so that we can |
| 228 // properly revoke the bias of the owner if necessary. They are | |
| 229 // needed because there is no debug information for compiled native | |
| 230 // wrappers and the oop maps are insufficient to allow | |
| 231 // frame::retrieve_receiver() to work. Currently they are expected | |
| 232 // to be byte offsets from the Java stack pointer for maximum code | |
| 233 // sharing between platforms. Note that currently biased locking | |
| 234 // will never cause Class instances to be biased but this code | |
| 235 // handles the static synchronized case as well. | |
| 2019 | 236 // JVMTI's GetLocalInstance() also uses these offsets to find the receiver |
| 237 // for non-static native wrapper frames. | |
| 238 ByteSize _native_receiver_sp_offset; | |
| 239 ByteSize _native_basic_lock_sp_offset; | |
| 0 | 240 |
| 241 friend class nmethodLocker; | |
| 242 | |
| 243 // For native wrappers | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
244 nmethod(Method* method, |
| 0 | 245 int nmethod_size, |
|
2405
3d58a4983660
7022998: JSR 292 recursive method handle calls inline themselves infinitely
twisti
parents:
2375
diff
changeset
|
246 int compile_id, |
| 0 | 247 CodeOffsets* offsets, |
| 248 CodeBuffer *code_buffer, | |
| 249 int frame_size, | |
| 250 ByteSize basic_lock_owner_sp_offset, /* synchronized natives only */ | |
| 251 ByteSize basic_lock_sp_offset, /* synchronized natives only */ | |
| 252 OopMapSet* oop_maps); | |
| 253 | |
|
116
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
254 #ifdef HAVE_DTRACE_H |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
255 // For native wrappers |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
256 nmethod(Method* method, |
|
116
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
257 int nmethod_size, |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
258 CodeOffsets* offsets, |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
259 CodeBuffer *code_buffer, |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
260 int frame_size); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
261 #endif // def HAVE_DTRACE_H |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
262 |
| 0 | 263 // Creation support |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
264 nmethod(Method* method, |
| 0 | 265 int nmethod_size, |
| 266 int compile_id, | |
| 267 int entry_bci, | |
| 268 CodeOffsets* offsets, | |
| 269 int orig_pc_offset, | |
| 270 DebugInformationRecorder *recorder, | |
| 271 Dependencies* dependencies, | |
| 272 CodeBuffer *code_buffer, | |
| 273 int frame_size, | |
| 274 OopMapSet* oop_maps, | |
| 275 ExceptionHandlerTable* handler_table, | |
| 276 ImplicitExceptionTable* nul_chk_table, | |
| 277 AbstractCompiler* compiler, | |
|
14172
cd22c8dbda4f
Made graph caching compilation local
Doug Simon <doug.simon@oracle.com>
parents:
13641
diff
changeset
|
278 int comp_level |
|
7000
bf2ea3ed3bce
Fixed nmethod not being unloaded after their classloader has been unloaded by initializing _graal_installed_code in an nmethod's constructor
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
6999
diff
changeset
|
279 #ifdef GRAAL |
|
8215
b89a97928e72
Implement weak reference semantics for HotSpotInstalledCode in the default method installation case. Add new boolean[] array as parameter to the code installation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
8159
diff
changeset
|
280 , Handle installed_code, |
|
13641
5a9afbf72714
Add a speculation oop for uncommon trap deoptimization. Save it in the SpeculationLog during deoptimization.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
13451
diff
changeset
|
281 Handle speculation_log |
|
7000
bf2ea3ed3bce
Fixed nmethod not being unloaded after their classloader has been unloaded by initializing _graal_installed_code in an nmethod's constructor
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
6999
diff
changeset
|
282 #endif |
|
bf2ea3ed3bce
Fixed nmethod not being unloaded after their classloader has been unloaded by initializing _graal_installed_code in an nmethod's constructor
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
6999
diff
changeset
|
283 ); |
| 0 | 284 |
| 285 // helper methods | |
|
12146
9758d9f36299
8021954: VM SIGSEGV during classloading on MacOS; hs_err_pid file produced
coleenp
parents:
12080
diff
changeset
|
286 void* operator new(size_t size, int nmethod_size) throw(); |
| 0 | 287 |
| 288 const char* reloc_string_for(u_char* begin, u_char* end); | |
|
1109
032260830071
5057818: codecache full and compiler disabled in bigapps fastdebug run
never
parents:
1000
diff
changeset
|
289 // Returns true if this thread changed the state of the nmethod or |
|
032260830071
5057818: codecache full and compiler disabled in bigapps fastdebug run
never
parents:
1000
diff
changeset
|
290 // false if another thread performed the transition. |
| 1141 | 291 bool make_not_entrant_or_zombie(unsigned int state); |
| 0 | 292 void inc_decompile_count(); |
| 293 | |
| 294 // Used to manipulate the exception cache | |
| 295 void add_exception_cache_entry(ExceptionCache* new_entry); | |
| 296 ExceptionCache* exception_cache_entry_for_exception(Handle exception); | |
| 297 | |
| 298 // Inform external interfaces that a compiled method has been unloaded | |
|
1644
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
299 void post_compiled_method_unload(); |
|
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
300 |
|
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
301 // Initailize fields to their default values |
|
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
302 void init_defaults(); |
| 0 | 303 |
| 304 public: | |
| 305 // create nmethod with entry_bci | |
| 306 static nmethod* new_nmethod(methodHandle method, | |
| 307 int compile_id, | |
| 308 int entry_bci, | |
| 309 CodeOffsets* offsets, | |
| 310 int orig_pc_offset, | |
| 311 DebugInformationRecorder* recorder, | |
| 312 Dependencies* dependencies, | |
| 313 CodeBuffer *code_buffer, | |
| 314 int frame_size, | |
| 315 OopMapSet* oop_maps, | |
| 316 ExceptionHandlerTable* handler_table, | |
| 317 ImplicitExceptionTable* nul_chk_table, | |
| 318 AbstractCompiler* compiler, | |
|
14172
cd22c8dbda4f
Made graph caching compilation local
Doug Simon <doug.simon@oracle.com>
parents:
13641
diff
changeset
|
319 int comp_level |
|
7000
bf2ea3ed3bce
Fixed nmethod not being unloaded after their classloader has been unloaded by initializing _graal_installed_code in an nmethod's constructor
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
6999
diff
changeset
|
320 #ifdef GRAAL |
|
8215
b89a97928e72
Implement weak reference semantics for HotSpotInstalledCode in the default method installation case. Add new boolean[] array as parameter to the code installation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
8159
diff
changeset
|
321 , Handle installed_code = Handle(), |
|
13641
5a9afbf72714
Add a speculation oop for uncommon trap deoptimization. Save it in the SpeculationLog during deoptimization.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
13451
diff
changeset
|
322 Handle speculation_log = Handle() |
|
7000
bf2ea3ed3bce
Fixed nmethod not being unloaded after their classloader has been unloaded by initializing _graal_installed_code in an nmethod's constructor
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
6999
diff
changeset
|
323 #endif |
|
bf2ea3ed3bce
Fixed nmethod not being unloaded after their classloader has been unloaded by initializing _graal_installed_code in an nmethod's constructor
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
6999
diff
changeset
|
324 ); |
| 0 | 325 |
| 326 static nmethod* new_native_nmethod(methodHandle method, | |
|
2405
3d58a4983660
7022998: JSR 292 recursive method handle calls inline themselves infinitely
twisti
parents:
2375
diff
changeset
|
327 int compile_id, |
| 0 | 328 CodeBuffer *code_buffer, |
| 329 int vep_offset, | |
| 330 int frame_complete, | |
| 331 int frame_size, | |
| 332 ByteSize receiver_sp_offset, | |
| 333 ByteSize basic_lock_sp_offset, | |
| 334 OopMapSet* oop_maps); | |
| 335 | |
|
116
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
336 #ifdef HAVE_DTRACE_H |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
337 // The method we generate for a dtrace probe has to look |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
338 // like an nmethod as far as the rest of the system is concerned |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
339 // which is somewhat unfortunate. |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
340 static nmethod* new_dtrace_nmethod(methodHandle method, |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
341 CodeBuffer *code_buffer, |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
342 int vep_offset, |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
343 int trap_offset, |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
344 int frame_complete, |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
345 int frame_size); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
346 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
347 int trap_offset() const { return _trap_offset; } |
| 1748 | 348 address trap_address() const { return insts_begin() + _trap_offset; } |
|
116
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
349 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
350 #endif // def HAVE_DTRACE_H |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
100
diff
changeset
|
351 |
| 0 | 352 // accessors |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
353 Method* method() const { return _method; } |
| 0 | 354 AbstractCompiler* compiler() const { return _compiler; } |
| 355 | |
| 356 // type info | |
| 357 bool is_nmethod() const { return true; } | |
| 358 bool is_java_method() const { return !method()->is_native(); } | |
| 359 bool is_native_method() const { return method()->is_native(); } | |
| 360 bool is_osr_method() const { return _entry_bci != InvocationEntryBci; } | |
| 361 | |
| 362 bool is_compiled_by_c1() const; | |
|
7125
1baf7f1e3f23
decoupled C++ Graal runtime from C1
Doug Simon <doug.simon@oracle.com>
parents:
7000
diff
changeset
|
363 bool is_compiled_by_graal() const; |
| 0 | 364 bool is_compiled_by_c2() const; |
| 1692 | 365 bool is_compiled_by_shark() const; |
| 0 | 366 |
| 367 // boundaries for different parts | |
|
1762
0878d7bae69f
6961697: move nmethod constants section before instruction section
twisti
parents:
1748
diff
changeset
|
368 address consts_begin () const { return header_begin() + _consts_offset ; } |
|
0878d7bae69f
6961697: move nmethod constants section before instruction section
twisti
parents:
1748
diff
changeset
|
369 address consts_end () const { return header_begin() + code_offset() ; } |
|
0878d7bae69f
6961697: move nmethod constants section before instruction section
twisti
parents:
1748
diff
changeset
|
370 address insts_begin () const { return header_begin() + code_offset() ; } |
| 1748 | 371 address insts_end () const { return header_begin() + _stub_offset ; } |
|
1762
0878d7bae69f
6961697: move nmethod constants section before instruction section
twisti
parents:
1748
diff
changeset
|
372 address stub_begin () const { return header_begin() + _stub_offset ; } |
|
0878d7bae69f
6961697: move nmethod constants section before instruction section
twisti
parents:
1748
diff
changeset
|
373 address stub_end () const { return header_begin() + _oops_offset ; } |
| 1204 | 374 address exception_begin () const { return header_begin() + _exception_offset ; } |
| 375 address deopt_handler_begin () const { return header_begin() + _deoptimize_offset ; } | |
| 376 address deopt_mh_handler_begin() const { return header_begin() + _deoptimize_mh_offset ; } | |
|
1378
9f5b60a14736
6939930: exception unwind changes in 6919934 hurts compilation speed
never
parents:
1204
diff
changeset
|
377 address unwind_handler_begin () const { return _unwind_handler_offset != -1 ? (header_begin() + _unwind_handler_offset) : NULL; } |
|
1563
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
378 oop* oops_begin () const { return (oop*) (header_begin() + _oops_offset) ; } |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
379 oop* oops_end () const { return (oop*) (header_begin() + _metadata_offset) ; } |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
380 |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
381 Metadata** metadata_begin () const { return (Metadata**) (header_begin() + _metadata_offset) ; } |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
382 Metadata** metadata_end () const { return (Metadata**) (header_begin() + _scopes_data_offset) ; } |
|
1563
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
383 |
| 1204 | 384 address scopes_data_begin () const { return header_begin() + _scopes_data_offset ; } |
| 385 address scopes_data_end () const { return header_begin() + _scopes_pcs_offset ; } | |
| 386 PcDesc* scopes_pcs_begin () const { return (PcDesc*)(header_begin() + _scopes_pcs_offset ); } | |
| 387 PcDesc* scopes_pcs_end () const { return (PcDesc*)(header_begin() + _dependencies_offset) ; } | |
| 388 address dependencies_begin () const { return header_begin() + _dependencies_offset ; } | |
| 389 address dependencies_end () const { return header_begin() + _handler_table_offset ; } | |
| 390 address handler_table_begin () const { return header_begin() + _handler_table_offset ; } | |
| 391 address handler_table_end () const { return header_begin() + _nul_chk_table_offset ; } | |
| 392 address nul_chk_table_begin () const { return header_begin() + _nul_chk_table_offset ; } | |
|
14172
cd22c8dbda4f
Made graph caching compilation local
Doug Simon <doug.simon@oracle.com>
parents:
13641
diff
changeset
|
393 address nul_chk_table_end () const { return header_begin() + _nmethod_end_offset; } |
| 0 | 394 |
|
1563
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
395 // Sizes |
|
1762
0878d7bae69f
6961697: move nmethod constants section before instruction section
twisti
parents:
1748
diff
changeset
|
396 int consts_size () const { return consts_end () - consts_begin (); } |
| 1748 | 397 int insts_size () const { return insts_end () - insts_begin (); } |
|
1563
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
398 int stub_size () const { return stub_end () - stub_begin (); } |
|
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
399 int oops_size () const { return (address) oops_end () - (address) oops_begin (); } |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
400 int metadata_size () const { return (address) metadata_end () - (address) metadata_begin (); } |
|
1563
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
401 int scopes_data_size () const { return scopes_data_end () - scopes_data_begin (); } |
|
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
402 int scopes_pcs_size () const { return (intptr_t) scopes_pcs_end () - (intptr_t) scopes_pcs_begin (); } |
|
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
403 int dependencies_size () const { return dependencies_end () - dependencies_begin (); } |
|
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
404 int handler_table_size() const { return handler_table_end() - handler_table_begin(); } |
|
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
405 int nul_chk_table_size() const { return nul_chk_table_end() - nul_chk_table_begin(); } |
| 0 | 406 |
| 407 int total_size () const; | |
| 408 | |
|
12324
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
12146
diff
changeset
|
409 void dec_hotness_counter() { _hotness_counter--; } |
|
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
12146
diff
changeset
|
410 void set_hotness_counter(int val) { _hotness_counter = val; } |
|
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
12146
diff
changeset
|
411 int hotness_counter() const { return _hotness_counter; } |
|
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
12146
diff
changeset
|
412 |
|
1563
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
413 // Containment |
|
1762
0878d7bae69f
6961697: move nmethod constants section before instruction section
twisti
parents:
1748
diff
changeset
|
414 bool consts_contains (address addr) const { return consts_begin () <= addr && addr < consts_end (); } |
| 1748 | 415 bool insts_contains (address addr) const { return insts_begin () <= addr && addr < insts_end (); } |
| 0 | 416 bool stub_contains (address addr) const { return stub_begin () <= addr && addr < stub_end (); } |
|
1563
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
417 bool oops_contains (oop* addr) const { return oops_begin () <= addr && addr < oops_end (); } |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
418 bool metadata_contains (Metadata** addr) const { return metadata_begin () <= addr && addr < metadata_end (); } |
| 0 | 419 bool scopes_data_contains (address addr) const { return scopes_data_begin () <= addr && addr < scopes_data_end (); } |
| 420 bool scopes_pcs_contains (PcDesc* addr) const { return scopes_pcs_begin () <= addr && addr < scopes_pcs_end (); } | |
| 421 bool handler_table_contains(address addr) const { return handler_table_begin() <= addr && addr < handler_table_end(); } | |
| 422 bool nul_chk_table_contains(address addr) const { return nul_chk_table_begin() <= addr && addr < nul_chk_table_end(); } | |
| 423 | |
| 424 // entry points | |
| 425 address entry_point() const { return _entry_point; } // normal entry point | |
| 426 address verified_entry_point() const { return _verified_entry_point; } // if klass is correct | |
| 427 | |
| 428 // flag accessing and manipulation | |
| 13441 | 429 bool is_in_use() const { return _state == in_use; } |
| 430 bool is_alive() const { return _state == in_use || _state == not_entrant; } | |
|
1644
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
431 bool is_not_entrant() const { return _state == not_entrant; } |
|
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
432 bool is_zombie() const { return _state == zombie; } |
|
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
433 bool is_unloaded() const { return _state == unloaded; } |
| 0 | 434 |
|
1109
032260830071
5057818: codecache full and compiler disabled in bigapps fastdebug run
never
parents:
1000
diff
changeset
|
435 // Make the nmethod non entrant. The nmethod will continue to be |
|
032260830071
5057818: codecache full and compiler disabled in bigapps fastdebug run
never
parents:
1000
diff
changeset
|
436 // alive. It is used when an uncommon trap happens. Returns true |
|
032260830071
5057818: codecache full and compiler disabled in bigapps fastdebug run
never
parents:
1000
diff
changeset
|
437 // if this thread changed the state of the nmethod or false if |
|
032260830071
5057818: codecache full and compiler disabled in bigapps fastdebug run
never
parents:
1000
diff
changeset
|
438 // another thread performed the transition. |
|
12324
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
12146
diff
changeset
|
439 bool make_not_entrant() { return make_not_entrant_or_zombie(not_entrant); } |
|
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
12146
diff
changeset
|
440 bool make_zombie() { return make_not_entrant_or_zombie(zombie); } |
| 0 | 441 |
| 442 // used by jvmti to track if the unload event has been reported | |
| 443 bool unload_reported() { return _unload_reported; } | |
| 444 void set_unload_reported() { _unload_reported = true; } | |
| 445 | |
|
1644
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
446 bool is_marked_for_deoptimization() const { return _marked_for_deoptimization; } |
|
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
447 void mark_for_deoptimization() { _marked_for_deoptimization = true; } |
| 0 | 448 |
| 449 void make_unloaded(BoolObjectClosure* is_alive, oop cause); | |
| 450 | |
| 451 bool has_dependencies() { return dependencies_size() != 0; } | |
| 452 void flush_dependencies(BoolObjectClosure* is_alive); | |
|
1644
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
453 bool has_flushed_dependencies() { return _has_flushed_dependencies; } |
|
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
454 void set_has_flushed_dependencies() { |
| 0 | 455 assert(!has_flushed_dependencies(), "should only happen once"); |
|
1644
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
456 _has_flushed_dependencies = 1; |
| 0 | 457 } |
| 458 | |
|
1644
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
459 bool is_marked_for_reclamation() const { return _marked_for_reclamation; } |
|
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
460 void mark_for_reclamation() { _marked_for_reclamation = 1; } |
|
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
461 |
|
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
462 bool has_unsafe_access() const { return _has_unsafe_access; } |
|
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
463 void set_has_unsafe_access(bool z) { _has_unsafe_access = z; } |
| 0 | 464 |
|
1644
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
465 bool has_method_handle_invokes() const { return _has_method_handle_invokes; } |
|
2a47bd84841f
6965184: possible races in make_not_entrant_or_zombie
never
parents:
1616
diff
changeset
|
466 void set_has_method_handle_invokes(bool z) { _has_method_handle_invokes = z; } |
| 0 | 467 |
|
10577
9c7d9e2c8326
PTX kernel execution - no args or return value
Morris Meyer <morris.meyer@oracle.com>
parents:
10031
diff
changeset
|
468 bool is_external_method() const { return _external_method; } |
|
9c7d9e2c8326
PTX kernel execution - no args or return value
Morris Meyer <morris.meyer@oracle.com>
parents:
10031
diff
changeset
|
469 void set_external_method(bool z) { _external_method = z; } |
|
9c7d9e2c8326
PTX kernel execution - no args or return value
Morris Meyer <morris.meyer@oracle.com>
parents:
10031
diff
changeset
|
470 |
|
4873
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
3899
diff
changeset
|
471 bool is_lazy_critical_native() const { return _lazy_critical_native; } |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
3899
diff
changeset
|
472 void set_lazy_critical_native(bool z) { _lazy_critical_native = z; } |
| 1202 | 473 |
|
6792
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6725
diff
changeset
|
474 bool has_wide_vectors() const { return _has_wide_vectors; } |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6725
diff
changeset
|
475 void set_has_wide_vectors(bool z) { _has_wide_vectors = z; } |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6725
diff
changeset
|
476 |
| 0 | 477 int comp_level() const { return _comp_level; } |
| 478 | |
|
1563
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
479 // Support for oops in scopes and relocs: |
|
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
480 // Note: index 0 is reserved for null. |
|
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
481 oop oop_at(int index) const { return index == 0 ? (oop) NULL: *oop_addr_at(index); } |
|
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
482 oop* oop_addr_at(int index) const { // for GC |
|
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
483 // relocation indexes are biased by 1 (because 0 is reserved) |
|
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
484 assert(index > 0 && index <= oops_size(), "must be a valid non-zero index"); |
| 1726 | 485 assert(!_oops_are_stale, "oops are stale"); |
|
1563
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
486 return &oops_begin()[index - 1]; |
|
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
487 } |
|
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
488 |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
489 // Support for meta data in scopes and relocs: |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
490 // Note: index 0 is reserved for null. |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
491 Metadata* metadata_at(int index) const { return index == 0 ? NULL: *metadata_addr_at(index); } |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
492 Metadata** metadata_addr_at(int index) const { // for GC |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
493 // relocation indexes are biased by 1 (because 0 is reserved) |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
494 assert(index > 0 && index <= metadata_size(), "must be a valid non-zero index"); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
495 return &metadata_begin()[index - 1]; |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
496 } |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
497 |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
498 void copy_values(GrowableArray<jobject>* oops); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
499 void copy_values(GrowableArray<Metadata*>* metadata); |
|
1563
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
500 |
|
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
501 // Relocation support |
|
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
502 private: |
|
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
503 void fix_oop_relocations(address begin, address end, bool initialize_immediates); |
|
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
504 inline void initialize_immediate_oop(oop* dest, jobject handle); |
|
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
505 |
|
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
506 public: |
|
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
507 void fix_oop_relocations(address begin, address end) { fix_oop_relocations(begin, end, false); } |
|
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
508 void fix_oop_relocations() { fix_oop_relocations(NULL, NULL, false); } |
|
2375
d673ef06fe96
7028374: race in fix_oop_relocations for scavengeable nmethods
never
parents:
2343
diff
changeset
|
509 void verify_oop_relocations(); |
|
1563
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
510 |
|
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
511 bool is_at_poll_return(address pc); |
|
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
512 bool is_at_poll_or_poll_return(address pc); |
|
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
513 |
|
3377
2aa9ddbb9e60
7041789: 30% perf regression with c2/arm following 7017732
jmasa
parents:
2405
diff
changeset
|
514 // Scavengable oop support |
|
989
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
605
diff
changeset
|
515 bool on_scavenge_root_list() const { return (_scavenge_root_state & 1) != 0; } |
|
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
605
diff
changeset
|
516 protected: |
|
3377
2aa9ddbb9e60
7041789: 30% perf regression with c2/arm following 7017732
jmasa
parents:
2405
diff
changeset
|
517 enum { sl_on_list = 0x01, sl_marked = 0x10 }; |
|
2aa9ddbb9e60
7041789: 30% perf regression with c2/arm following 7017732
jmasa
parents:
2405
diff
changeset
|
518 void set_on_scavenge_root_list() { _scavenge_root_state = sl_on_list; } |
|
989
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
605
diff
changeset
|
519 void clear_on_scavenge_root_list() { _scavenge_root_state = 0; } |
|
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
605
diff
changeset
|
520 // assertion-checking and pruning logic uses the bits of _scavenge_root_state |
|
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
605
diff
changeset
|
521 #ifndef PRODUCT |
|
3377
2aa9ddbb9e60
7041789: 30% perf regression with c2/arm following 7017732
jmasa
parents:
2405
diff
changeset
|
522 void set_scavenge_root_marked() { _scavenge_root_state |= sl_marked; } |
|
2aa9ddbb9e60
7041789: 30% perf regression with c2/arm following 7017732
jmasa
parents:
2405
diff
changeset
|
523 void clear_scavenge_root_marked() { _scavenge_root_state &= ~sl_marked; } |
|
2aa9ddbb9e60
7041789: 30% perf regression with c2/arm following 7017732
jmasa
parents:
2405
diff
changeset
|
524 bool scavenge_root_not_marked() { return (_scavenge_root_state &~ sl_on_list) == 0; } |
|
989
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
605
diff
changeset
|
525 // N.B. there is no positive marked query, and we only use the not_marked query for asserts. |
|
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
605
diff
changeset
|
526 #endif //PRODUCT |
|
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
605
diff
changeset
|
527 nmethod* scavenge_root_link() const { return _scavenge_root_link; } |
|
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
605
diff
changeset
|
528 void set_scavenge_root_link(nmethod *n) { _scavenge_root_link = n; } |
|
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
605
diff
changeset
|
529 |
|
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
605
diff
changeset
|
530 public: |
|
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
605
diff
changeset
|
531 |
| 0 | 532 // Sweeper support |
| 533 long stack_traversal_mark() { return _stack_traversal_mark; } | |
| 534 void set_stack_traversal_mark(long l) { _stack_traversal_mark = l; } | |
| 535 | |
| 536 // Exception cache support | |
| 537 ExceptionCache* exception_cache() const { return _exception_cache; } | |
| 538 void set_exception_cache(ExceptionCache *ec) { _exception_cache = ec; } | |
| 539 address handler_for_exception_and_pc(Handle exception, address pc); | |
| 540 void add_handler_for_exception_and_pc(Handle exception, address pc, address handler); | |
| 541 void remove_from_exception_cache(ExceptionCache* ec); | |
| 542 | |
| 543 // implicit exceptions support | |
| 544 address continuation_for_implicit_exception(address pc); | |
| 545 | |
| 546 // On-stack replacement support | |
|
2405
3d58a4983660
7022998: JSR 292 recursive method handle calls inline themselves infinitely
twisti
parents:
2375
diff
changeset
|
547 int osr_entry_bci() const { assert(is_osr_method(), "wrong kind of nmethod"); return _entry_bci; } |
|
3d58a4983660
7022998: JSR 292 recursive method handle calls inline themselves infinitely
twisti
parents:
2375
diff
changeset
|
548 address osr_entry() const { assert(is_osr_method(), "wrong kind of nmethod"); return _osr_entry_point; } |
| 0 | 549 void invalidate_osr_method(); |
|
989
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
605
diff
changeset
|
550 nmethod* osr_link() const { return _osr_link; } |
|
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
605
diff
changeset
|
551 void set_osr_link(nmethod *n) { _osr_link = n; } |
| 0 | 552 |
| 553 // tells whether frames described by this nmethod can be deoptimized | |
| 554 // note: native wrappers cannot be deoptimized. | |
| 555 bool can_be_deoptimized() const { return is_java_method(); } | |
| 556 | |
| 557 // Inline cache support | |
| 558 void clear_inline_caches(); | |
| 559 void cleanup_inline_caches(); | |
| 560 bool inlinecache_check_contains(address addr) const { | |
| 1748 | 561 return (addr >= code_begin() && addr < verified_entry_point()); |
| 0 | 562 } |
| 563 | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
564 // Check that all metadata is still alive |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
565 void verify_metadata_loaders(address low_boundary, BoolObjectClosure* is_alive); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
566 |
| 0 | 567 // unlink and deallocate this nmethod |
| 568 // Only NMethodSweeper class is expected to use this. NMethodSweeper is not | |
| 569 // expected to use any other private methods/data in this class. | |
| 570 | |
| 571 protected: | |
| 572 void flush(); | |
| 573 | |
| 574 public: | |
|
2342
46a56fac55c7
7024970: 2/3 assert(ServiceThread::is_service_thread(Thread::current())) failed: Service thread must post enqueue
dcubed
parents:
2321
diff
changeset
|
575 // When true is returned, it is unsafe to remove this nmethod even if |
|
46a56fac55c7
7024970: 2/3 assert(ServiceThread::is_service_thread(Thread::current())) failed: Service thread must post enqueue
dcubed
parents:
2321
diff
changeset
|
576 // it is a zombie, since the VM or the ServiceThread might still be |
|
46a56fac55c7
7024970: 2/3 assert(ServiceThread::is_service_thread(Thread::current())) failed: Service thread must post enqueue
dcubed
parents:
2321
diff
changeset
|
577 // using it. |
| 0 | 578 bool is_locked_by_vm() const { return _lock_count >0; } |
| 579 | |
| 580 // See comment at definition of _last_seen_on_stack | |
| 581 void mark_as_seen_on_stack(); | |
| 582 bool can_not_entrant_be_converted(); | |
| 583 | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
584 // Evolution support. We make old (discarded) compiled methods point to new Method*s. |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
585 void set_method(Method* method) { _method = method; } |
| 0 | 586 |
|
6948
e522a00b91aa
Merge with http://hg.openjdk.java.net/hsx/hsx25/hotspot/ after NPG - C++ build works
Doug Simon <doug.simon@oracle.com>
diff
changeset
|
587 #ifdef GRAAL |
|
7000
bf2ea3ed3bce
Fixed nmethod not being unloaded after their classloader has been unloaded by initializing _graal_installed_code in an nmethod's constructor
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
6999
diff
changeset
|
588 oop graal_installed_code() { return _graal_installed_code ; } |
|
6948
e522a00b91aa
Merge with http://hg.openjdk.java.net/hsx/hsx25/hotspot/ after NPG - C++ build works
Doug Simon <doug.simon@oracle.com>
diff
changeset
|
589 void set_graal_installed_code(oop installed_code) { _graal_installed_code = installed_code; } |
|
13641
5a9afbf72714
Add a speculation oop for uncommon trap deoptimization. Save it in the SpeculationLog during deoptimization.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
13451
diff
changeset
|
590 oop speculation_log() { return _speculation_log ; } |
|
5a9afbf72714
Add a speculation oop for uncommon trap deoptimization. Save it in the SpeculationLog during deoptimization.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
13451
diff
changeset
|
591 void set_speculation_log(oop speculation_log) { _speculation_log = speculation_log; } |
|
6948
e522a00b91aa
Merge with http://hg.openjdk.java.net/hsx/hsx25/hotspot/ after NPG - C++ build works
Doug Simon <doug.simon@oracle.com>
diff
changeset
|
592 #endif |
|
3683
345c3bbf9c3c
store RiCompiledMethod in nmethod and:
Lukas Stadler <lukas.stadler@jku.at>
parents:
3464
diff
changeset
|
593 |
| 0 | 594 // GC support |
|
6787
8966c2d65d96
7200470: KeepAliveClosure not needed in CodeCache::do_unloading
brutisso
parents:
6725
diff
changeset
|
595 void do_unloading(BoolObjectClosure* is_alive, bool unloading_occurred); |
|
8966c2d65d96
7200470: KeepAliveClosure not needed in CodeCache::do_unloading
brutisso
parents:
6725
diff
changeset
|
596 bool can_unload(BoolObjectClosure* is_alive, oop* root, bool unloading_occurred); |
| 0 | 597 |
| 598 void preserve_callee_argument_oops(frame fr, const RegisterMap *reg_map, | |
| 599 OopClosure* f); | |
|
1563
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1538
diff
changeset
|
600 void oops_do(OopClosure* f) { oops_do(f, false); } |
| 12080 | 601 void oops_do(OopClosure* f, bool allow_zombie); |
|
989
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
605
diff
changeset
|
602 bool detect_scavenge_root_oops(); |
|
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
605
diff
changeset
|
603 void verify_scavenge_root_oops() PRODUCT_RETURN; |
|
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
605
diff
changeset
|
604 |
|
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
605
diff
changeset
|
605 bool test_set_oops_do_mark(); |
|
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
605
diff
changeset
|
606 static void oops_do_marking_prologue(); |
|
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
605
diff
changeset
|
607 static void oops_do_marking_epilogue(); |
|
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
605
diff
changeset
|
608 static bool oops_do_marking_is_active() { return _oops_do_mark_nmethods != NULL; } |
|
5986
500023bd0818
7143511: G1: Another instance of high GC Worker Other time (50ms)
johnc
parents:
4873
diff
changeset
|
609 bool test_oops_do_mark() { return _oops_do_mark_link != NULL; } |
| 0 | 610 |
| 611 // ScopeDesc for an instruction | |
| 612 ScopeDesc* scope_desc_at(address pc); | |
| 613 | |
| 614 private: | |
| 615 ScopeDesc* scope_desc_in(address begin, address end); | |
| 616 | |
| 1204 | 617 address* orig_pc_addr(const frame* fr) { return (address*) ((address)fr->unextended_sp() + _orig_pc_offset); } |
| 0 | 618 |
| 619 PcDesc* find_pc_desc_internal(address pc, bool approximate); | |
| 620 | |
| 621 PcDesc* find_pc_desc(address pc, bool approximate) { | |
| 622 PcDesc* desc = _pc_desc_cache.last_pc_desc(); | |
| 1748 | 623 if (desc != NULL && desc->pc_offset() == pc - code_begin()) { |
| 0 | 624 return desc; |
| 625 } | |
| 626 return find_pc_desc_internal(pc, approximate); | |
| 627 } | |
| 628 | |
| 629 public: | |
| 630 // ScopeDesc retrieval operation | |
| 631 PcDesc* pc_desc_at(address pc) { return find_pc_desc(pc, false); } | |
| 632 // pc_desc_near returns the first PcDesc at or after the givne pc. | |
| 633 PcDesc* pc_desc_near(address pc) { return find_pc_desc(pc, true); } | |
| 634 | |
| 635 public: | |
| 636 // copying of debugging information | |
| 637 void copy_scopes_pcs(PcDesc* pcs, int count); | |
| 638 void copy_scopes_data(address buffer, int size); | |
| 639 | |
| 1204 | 640 // Deopt |
| 641 // Return true is the PC is one would expect if the frame is being deopted. | |
| 642 bool is_deopt_pc (address pc) { return is_deopt_entry(pc) || is_deopt_mh_entry(pc); } | |
|
1937
4853c5cad3aa
More deoptmization tracing.
Thomas Wuerthinger <wuerthinger@ssw.jku.at>
parents:
1783
diff
changeset
|
643 |
|
5056
2f2c6347fce4
comments cleanup/retagging
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
4970
diff
changeset
|
644 // (thomaswue) When using graal, the address might be off by 5 (because this is the size of the call instruction. |
|
2f2c6347fce4
comments cleanup/retagging
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
4970
diff
changeset
|
645 // (thomaswue) TODO: Replace this by a more general mechanism. |
| 5130 | 646 bool is_deopt_entry (address pc) { return pc == deopt_handler_begin() GRAAL_ONLY( || pc == deopt_handler_begin() + 5); } |
| 1204 | 647 bool is_deopt_mh_entry(address pc) { return pc == deopt_mh_handler_begin(); } |
| 0 | 648 // Accessor/mutator for the original pc of a frame before a frame was deopted. |
| 649 address get_original_pc(const frame* fr) { return *orig_pc_addr(fr); } | |
| 650 void set_original_pc(const frame* fr, address pc) { *orig_pc_addr(fr) = pc; } | |
| 651 | |
| 1204 | 652 static address get_deopt_original_pc(const frame* fr); |
| 653 | |
|
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1109
diff
changeset
|
654 // MethodHandle |
|
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1109
diff
changeset
|
655 bool is_method_handle_return(address return_pc); |
|
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1109
diff
changeset
|
656 |
| 0 | 657 // jvmti support: |
| 658 void post_compiled_method_load_event(); | |
|
1616
38e8278318ca
6656830: assert((*p)->is_oop(),"expected an oop while scanning weak refs")
never
parents:
1579
diff
changeset
|
659 jmethodID get_and_cache_jmethod_id(); |
| 0 | 660 |
| 661 // verify operations | |
| 662 void verify(); | |
| 663 void verify_scopes(); | |
| 664 void verify_interrupt_point(address interrupt_point); | |
| 665 | |
| 666 // printing support | |
|
100
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
0
diff
changeset
|
667 void print() const; |
|
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
0
diff
changeset
|
668 void print_code(); |
| 0 | 669 void print_relocations() PRODUCT_RETURN; |
| 670 void print_pcs() PRODUCT_RETURN; | |
| 671 void print_scopes() PRODUCT_RETURN; | |
| 672 void print_dependencies() PRODUCT_RETURN; | |
| 673 void print_value_on(outputStream* st) const PRODUCT_RETURN; | |
| 674 void print_calls(outputStream* st) PRODUCT_RETURN; | |
| 675 void print_handler_table() PRODUCT_RETURN; | |
| 676 void print_nul_chk_table() PRODUCT_RETURN; | |
|
100
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
0
diff
changeset
|
677 void print_nmethod(bool print_code); |
| 0 | 678 |
|
1681
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
679 // need to re-define this from CodeBlob else the overload hides it |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
680 virtual void print_on(outputStream* st) const { CodeBlob::print_on(st); } |
|
2405
3d58a4983660
7022998: JSR 292 recursive method handle calls inline themselves infinitely
twisti
parents:
2375
diff
changeset
|
681 void print_on(outputStream* st, const char* msg) const; |
| 0 | 682 |
| 683 // Logging | |
| 684 void log_identity(xmlStream* log) const; | |
| 685 void log_new_nmethod() const; | |
|
1109
032260830071
5057818: codecache full and compiler disabled in bigapps fastdebug run
never
parents:
1000
diff
changeset
|
686 void log_state_change() const; |
| 0 | 687 |
|
1155
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
688 // Prints block-level comments, including nmethod specific block labels: |
|
6796
b31471cdc53e
7200163: add CodeComments functionality to assember stubs
kvn
parents:
6792
diff
changeset
|
689 virtual void print_block_comment(outputStream* stream, address block_begin) const { |
|
1155
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
690 print_nmethod_labels(stream, block_begin); |
|
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
691 CodeBlob::print_block_comment(stream, block_begin); |
|
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
692 } |
|
6796
b31471cdc53e
7200163: add CodeComments functionality to assember stubs
kvn
parents:
6792
diff
changeset
|
693 void print_nmethod_labels(outputStream* stream, address block_begin) const; |
|
1155
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1141
diff
changeset
|
694 |
| 0 | 695 // Prints a comment for one native instruction (reloc info, pc desc) |
|
100
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
0
diff
changeset
|
696 void print_code_comment_on(outputStream* st, int column, address begin, address end); |
|
14733
b10e42998d01
nmethod: fix -XX:+PrintNMethodStatistics
Bernhard Urban <bernhard.urban@jku.at>
parents:
14521
diff
changeset
|
697 static void print_statistics(); |
| 0 | 698 |
| 699 // Compiler task identification. Note that all OSR methods | |
| 700 // are numbered in an independent sequence if CICountOSR is true, | |
| 701 // and native method wrappers are also numbered independently if | |
| 702 // CICountNative is true. | |
| 703 int compile_id() const { return _compile_id; } | |
| 704 const char* compile_kind() const; | |
| 705 | |
| 706 // For debugging | |
| 707 // CompiledIC* IC_at(char* p) const; | |
| 708 // PrimitiveIC* primitiveIC_at(char* p) const; | |
| 709 oop embeddedOop_at(address p); | |
| 710 | |
| 711 // tells if any of this method's dependencies have been invalidated | |
| 712 // (this is expensive!) | |
|
14262
3aaa4b9966f6
7194669: CodeCache::mark_for_deoptimization should avoid verifying dependencies multiple times
anoll
parents:
13441
diff
changeset
|
713 static void check_all_dependencies(DepChange& changes); |
| 0 | 714 |
| 715 // tells if this compiled method is dependent on the given changes, | |
| 716 // and the changes have invalidated it | |
| 717 bool check_dependency_on(DepChange& changes); | |
| 718 | |
| 719 // Evolution support. Tells if this compiled method is dependent on any of | |
| 720 // methods m() of class dependee, such that if m() in dependee is replaced, | |
| 721 // this compiled method will have to be deoptimized. | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
722 bool is_evol_dependent_on(Klass* dependee); |
| 0 | 723 |
| 724 // Fast breakpoint support. Tells if this compiled method is | |
| 725 // dependent on the given method. Returns true if this nmethod | |
| 726 // corresponds to the given method as well. | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
727 bool is_dependent_on_method(Method* dependee); |
| 0 | 728 |
| 729 // is it ok to patch at address? | |
| 730 bool is_patchable_at(address instr_address); | |
| 731 | |
| 732 // UseBiasedLocking support | |
| 2019 | 733 ByteSize native_receiver_sp_offset() { |
| 734 return _native_receiver_sp_offset; | |
| 0 | 735 } |
| 2019 | 736 ByteSize native_basic_lock_sp_offset() { |
| 737 return _native_basic_lock_sp_offset; | |
| 0 | 738 } |
| 739 | |
| 740 // support for code generation | |
| 741 static int verified_entry_point_offset() { return offset_of(nmethod, _verified_entry_point); } | |
| 742 static int osr_entry_point_offset() { return offset_of(nmethod, _osr_entry_point); } | |
| 743 static int entry_bci_offset() { return offset_of(nmethod, _entry_bci); } | |
| 744 | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
745 // RedefineClasses support. Mark metadata in nmethods as on_stack so that |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
746 // redefine classes doesn't purge it. |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
747 static void mark_on_stack(nmethod* nm) { |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
748 nm->metadata_do(Metadata::mark_on_stack); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
749 } |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
750 void metadata_do(void f(Metadata*)); |
| 0 | 751 }; |
| 752 | |
|
2342
46a56fac55c7
7024970: 2/3 assert(ServiceThread::is_service_thread(Thread::current())) failed: Service thread must post enqueue
dcubed
parents:
2321
diff
changeset
|
753 // Locks an nmethod so its code will not get removed and it will not |
|
46a56fac55c7
7024970: 2/3 assert(ServiceThread::is_service_thread(Thread::current())) failed: Service thread must post enqueue
dcubed
parents:
2321
diff
changeset
|
754 // be made into a zombie, even if it is a not_entrant method. After the |
|
46a56fac55c7
7024970: 2/3 assert(ServiceThread::is_service_thread(Thread::current())) failed: Service thread must post enqueue
dcubed
parents:
2321
diff
changeset
|
755 // nmethod becomes a zombie, if CompiledMethodUnload event processing |
|
46a56fac55c7
7024970: 2/3 assert(ServiceThread::is_service_thread(Thread::current())) failed: Service thread must post enqueue
dcubed
parents:
2321
diff
changeset
|
756 // needs to be done, then lock_nmethod() is used directly to keep the |
|
46a56fac55c7
7024970: 2/3 assert(ServiceThread::is_service_thread(Thread::current())) failed: Service thread must post enqueue
dcubed
parents:
2321
diff
changeset
|
757 // generated code from being reused too early. |
| 0 | 758 class nmethodLocker : public StackObj { |
| 759 nmethod* _nm; | |
| 760 | |
|
2195
bf8517f4e4d0
6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
2019
diff
changeset
|
761 public: |
|
bf8517f4e4d0
6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
2019
diff
changeset
|
762 |
|
2342
46a56fac55c7
7024970: 2/3 assert(ServiceThread::is_service_thread(Thread::current())) failed: Service thread must post enqueue
dcubed
parents:
2321
diff
changeset
|
763 // note: nm can be NULL |
|
46a56fac55c7
7024970: 2/3 assert(ServiceThread::is_service_thread(Thread::current())) failed: Service thread must post enqueue
dcubed
parents:
2321
diff
changeset
|
764 // Only JvmtiDeferredEvent::compiled_method_unload_event() |
|
46a56fac55c7
7024970: 2/3 assert(ServiceThread::is_service_thread(Thread::current())) failed: Service thread must post enqueue
dcubed
parents:
2321
diff
changeset
|
765 // should pass zombie_ok == true. |
|
46a56fac55c7
7024970: 2/3 assert(ServiceThread::is_service_thread(Thread::current())) failed: Service thread must post enqueue
dcubed
parents:
2321
diff
changeset
|
766 static void lock_nmethod(nmethod* nm, bool zombie_ok = false); |
| 0 | 767 static void unlock_nmethod(nmethod* nm); // (ditto) |
| 768 | |
| 769 nmethodLocker(address pc); // derive nm from pc | |
| 770 nmethodLocker(nmethod *nm) { _nm = nm; lock_nmethod(_nm); } | |
| 771 nmethodLocker() { _nm = NULL; } | |
| 772 ~nmethodLocker() { unlock_nmethod(_nm); } | |
| 773 | |
| 774 nmethod* code() { return _nm; } | |
| 775 void set_code(nmethod* new_nm) { | |
| 776 unlock_nmethod(_nm); // note: This works even if _nm==new_nm. | |
| 777 _nm = new_nm; | |
| 778 lock_nmethod(_nm); | |
| 779 } | |
| 780 }; | |
| 1972 | 781 |
| 782 #endif // SHARE_VM_CODE_NMETHOD_HPP |