comparison src/share/vm/memory/iterator.cpp @ 1000:a1423fe86a18

Merge
author trims
date Fri, 09 Oct 2009 15:18:52 -0700
parents 89e0543e1737 753cf9794df9
children c18cbe5936b8 1a5913bf5e19
comparison
equal deleted inserted replaced
2:f014ff2a54d5 6:7a775f2d12b3
44 void OopClosure::set_must_remember_klasses(bool v) { 44 void OopClosure::set_must_remember_klasses(bool v) {
45 _must_remember_klasses = v; 45 _must_remember_klasses = v;
46 } 46 }
47 #endif 47 #endif
48 48
49
50 MarkingCodeBlobClosure::MarkScope::MarkScope(bool activate)
51 : _active(activate)
52 {
53 if (_active) nmethod::oops_do_marking_prologue();
54 }
55
56 MarkingCodeBlobClosure::MarkScope::~MarkScope() {
57 if (_active) nmethod::oops_do_marking_epilogue();
58 }
59
60 void MarkingCodeBlobClosure::do_code_blob(CodeBlob* cb) {
61 if (!cb->is_nmethod()) return;
62 nmethod* nm = (nmethod*) cb;
63 if (!nm->test_set_oops_do_mark()) {
64 NOT_PRODUCT(if (TraceScavenge) nm->print_on(tty, "oops_do, 1st visit\n"));
65 do_newly_marked_nmethod(nm);
66 } else {
67 NOT_PRODUCT(if (TraceScavenge) nm->print_on(tty, "oops_do, skipped on 2nd visit\n"));
68 }
69 }
70
71 void CodeBlobToOopClosure::do_newly_marked_nmethod(nmethod* nm) {
72 nm->oops_do(_cl, /*do_strong_roots_only=*/ true);
73 }
74
75 void CodeBlobToOopClosure::do_code_blob(CodeBlob* cb) {
76 if (!_do_marking) {
77 NOT_PRODUCT(if (TraceScavenge && Verbose && cb->is_nmethod()) ((nmethod*)cb)->print_on(tty, "oops_do, unmarked visit\n"));
78 // This assert won't work, since there are lots of mini-passes
79 // (mostly in debug mode) that co-exist with marking phases.
80 //assert(!(cb->is_nmethod() && ((nmethod*)cb)->test_oops_do_mark()), "found marked nmethod during mark-free phase");
81 cb->oops_do(_cl);
82 } else {
83 MarkingCodeBlobClosure::do_code_blob(cb);
84 }
85 }
86
87