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8167299: -XX:+PrintRelocations crashes the VM

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Reviewed-by: kvn
This commit is contained in:
Volker Simonis 2016-10-06 18:04:11 +02:00
parent b82dbd43b5
commit 07da91668a
1 changed files with 12 additions and 4 deletions
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16
hotspot/src/share/vm/code/relocInfo.cpp
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@ -743,7 +743,9 @@ address virtual_call_Relocation::cached_value() {
}
Method* virtual_call_Relocation::method_value() {
Metadata* m = code()->metadata_at(_method_index);
CompiledMethod* cm = code();
if (cm == NULL) return (Method*)NULL;
Metadata* m = cm->metadata_at(_method_index);
assert(m != NULL || _method_index == 0, "should be non-null for non-zero index");
assert(m == NULL || m->is_method(), "not a method");
return (Method*)m;
@ -769,7 +771,9 @@ void opt_virtual_call_Relocation::unpack_data() {
}
Method* opt_virtual_call_Relocation::method_value() {
Metadata* m = code()->metadata_at(_method_index);
CompiledMethod* cm = code();
if (cm == NULL) return (Method*)NULL;
Metadata* m = cm->metadata_at(_method_index);
assert(m != NULL || _method_index == 0, "should be non-null for non-zero index");
assert(m == NULL || m->is_method(), "not a method");
return (Method*)m;
@ -800,7 +804,9 @@ address opt_virtual_call_Relocation::static_stub() {
}
Method* static_call_Relocation::method_value() {
Metadata* m = code()->metadata_at(_method_index);
CompiledMethod* cm = code();
if (cm == NULL) return (Method*)NULL;
Metadata* m = cm->metadata_at(_method_index);
assert(m != NULL || _method_index == 0, "should be non-null for non-zero index");
assert(m == NULL || m->is_method(), "not a method");
return (Method*)m;
@ -970,7 +976,9 @@ void RelocIterator::print_current() {
// work even during GC or other inconvenient times.
if (WizardMode && oop_value != NULL) {
tty->print("oop_value=" INTPTR_FORMAT ": ", p2i(oop_value));
oop_value->print_value_on(tty);
if (oop_value->is_oop()) {
oop_value->print_value_on(tty);
}
}
break;
}