Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/runtime/reflection.cpp
src/share/vm/runtime/reflection.cpp
- changeset 866
- a45484ea312d
- parent 631
- d1605aabd0a1
- child 1100
- c89f86385056
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| 865:4d20a3aaf1ab | 866:a45484ea312d |
|---|---|
| 454 } | 454 } |
| 455 | 455 |
| 456 return can_relax_access_check_for(current_class, new_class, classloader_only); | 456 return can_relax_access_check_for(current_class, new_class, classloader_only); |
| 457 } | 457 } |
| 458 | 458 |
| 459 static bool under_host_klass(instanceKlass* ik, klassOop host_klass) { | |
| 460 DEBUG_ONLY(int inf_loop_check = 1000 * 1000 * 1000); | |
| 461 for (;;) { | |
| 462 klassOop hc = (klassOop) ik->host_klass(); | |
| 463 if (hc == NULL) return false; | |
| 464 if (hc == host_klass) return true; | |
| 465 ik = instanceKlass::cast(hc); | |
| 466 | |
| 467 // There's no way to make a host class loop short of patching memory. | |
| 468 // Therefore there cannot be a loop here unles there's another bug. | |
| 469 // Still, let's check for it. | |
| 470 assert(--inf_loop_check > 0, "no host_klass loop"); | |
| 471 } | |
| 472 } | |
| 473 | |
| 459 bool Reflection::can_relax_access_check_for( | 474 bool Reflection::can_relax_access_check_for( |
| 460 klassOop accessor, klassOop accessee, bool classloader_only) { | 475 klassOop accessor, klassOop accessee, bool classloader_only) { |
| 461 instanceKlass* accessor_ik = instanceKlass::cast(accessor); | 476 instanceKlass* accessor_ik = instanceKlass::cast(accessor); |
| 462 instanceKlass* accessee_ik = instanceKlass::cast(accessee); | 477 instanceKlass* accessee_ik = instanceKlass::cast(accessee); |
| 478 | |
| 479 // If either is on the other's host_klass chain, access is OK, | |
| 480 // because one is inside the other. | |
| 481 if (under_host_klass(accessor_ik, accessee) || | |
| 482 under_host_klass(accessee_ik, accessor)) | |
| 483 return true; | |
| 484 | |
| 463 if (RelaxAccessControlCheck || | 485 if (RelaxAccessControlCheck || |
| 464 (accessor_ik->major_version() < JAVA_1_5_VERSION && | 486 (accessor_ik->major_version() < JAVA_1_5_VERSION && |
| 465 accessee_ik->major_version() < JAVA_1_5_VERSION)) { | 487 accessee_ik->major_version() < JAVA_1_5_VERSION)) { |
| 466 return classloader_only && | 488 return classloader_only && |
| 467 Verifier::relax_verify_for(accessor_ik->class_loader()) && | 489 Verifier::relax_verify_for(accessor_ik->class_loader()) && |
