Tue, 15 Nov 2011 20:17:33 +0100
7110152: assert(size_in_words <= (julong)max_jint) failed: no overflow
Summary: Reduce what arrayOopDesc::max_array_length() returns to avoid int overflow
Reviewed-by: kvn, dholmes, tonyp
1 /*
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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23 */
25 #include "precompiled.hpp"
26 #include "gc_interface/collectedHeap.hpp"
27 #include "gc_interface/collectedHeap.inline.hpp"
28 #include "oops/oopsHierarchy.hpp"
29 #include "runtime/thread.hpp"
30 #include "utilities/globalDefinitions.hpp"
31 #ifdef TARGET_OS_FAMILY_linux
32 # include "thread_linux.inline.hpp"
33 #endif
34 #ifdef TARGET_OS_FAMILY_solaris
35 # include "thread_solaris.inline.hpp"
36 #endif
37 #ifdef TARGET_OS_FAMILY_windows
38 # include "thread_windows.inline.hpp"
39 #endif
40 #ifdef TARGET_OS_FAMILY_bsd
41 # include "thread_bsd.inline.hpp"
42 #endif
44 #ifdef CHECK_UNHANDLED_OOPS
46 void oop::register_oop() {
47 assert (CheckUnhandledOops, "should only call when CheckUnhandledOops");
48 if (!Universe::is_fully_initialized()) return;
49 // This gets expensive, which is why checking unhandled oops is on a switch.
50 Thread* t = ThreadLocalStorage::thread();
51 if (t != NULL && t->is_Java_thread()) {
52 frame fr = os::current_frame();
53 // This points to the oop creator, I guess current frame points to caller
54 assert (fr.pc(), "should point to a vm frame");
55 t->unhandled_oops()->register_unhandled_oop(this, fr.pc());
56 }
57 }
59 void oop::unregister_oop() {
60 assert (CheckUnhandledOops, "should only call when CheckUnhandledOops");
61 if (!Universe::is_fully_initialized()) return;
62 // This gets expensive, which is why checking unhandled oops is on a switch.
63 Thread* t = ThreadLocalStorage::thread();
64 if (t != NULL && t->is_Java_thread()) {
65 t->unhandled_oops()->unregister_unhandled_oop(this);
66 }
67 }
68 #endif // CHECK_UNHANDLED_OOPS