stan/jdk-24
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

7043040: JSR292: JRuby bench/shootout/binarytrees.ruby-2.ruby SEGV: constantPoolKlass::oop_follow_contents

Browse Source 
Reviewed-by: kvn, ysr
This commit is contained in:
Tom Rodriguez 2011-05-10 17:44:14 -07:00
parent 70dfd21e87
commit 249ae52324
1 changed files with 17 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

30
hotspot/src/share/vm/oops/constantPoolKlass.cpp
View File

@ -285,10 +285,9 @@ int constantPoolKlass::oop_update_pointers(ParCompactionManager* cm, oop obj) {
void constantPoolKlass::oop_push_contents(PSPromotionManager* pm, oop obj) {
assert(obj->is_constantPool(), "should be constant pool");
constantPoolOop cp = (constantPoolOop) obj;
if (cp->tags() != NULL &&
(!JavaObjectsInPerm || (EnableInvokeDynamic && cp->has_pseudo_string()))) {
if (cp->tags() != NULL) {
for (int i = 1; i < cp->length(); ++i) {
if (cp->tag_at(i).is_string()) {
if (cp->is_pointer_entry(i)) {
oop* base = cp->obj_at_addr_raw(i);
if (PSScavenge::should_scavenge(base)) {
pm->claim_or_forward_depth(base);
@ -342,6 +341,11 @@ void constantPoolKlass::oop_print_on(oop obj, outputStream* st) {
anObj->print_value_on(st);
st->print(" {0x%lx}", (address)anObj);
break;
case JVM_CONSTANT_Object :
anObj = cp->object_at(index);
anObj->print_value_on(st);
st->print(" {0x%lx}", (address)anObj);
break;
case JVM_CONSTANT_Integer :
st->print("%d", cp->int_at(index));
break;
@ -432,23 +436,21 @@ void constantPoolKlass::oop_verify_on(oop obj, outputStream* st) {
guarantee(cp->is_perm(), "should be in permspace");
if (!cp->partially_loaded()) {
for (int i = 0; i< cp->length(); i++) {
constantTag tag = cp->tag_at(i);
CPSlot entry = cp->slot_at(i);
if (cp->tag_at(i).is_klass()) {
if (tag.is_klass()) {
if (entry.is_oop()) {
guarantee(entry.get_oop()->is_perm(), "should be in permspace");
guarantee(entry.get_oop()->is_klass(), "should be klass");
}
}
if (cp->tag_at(i).is_unresolved_klass()) {
} else if (tag.is_unresolved_klass()) {
if (entry.is_oop()) {
guarantee(entry.get_oop()->is_perm(), "should be in permspace");
guarantee(entry.get_oop()->is_klass(), "should be klass");
}
}
if (cp->tag_at(i).is_symbol()) {
} else if (tag.is_symbol()) {
guarantee(entry.get_symbol()->refcount() != 0, "should have nonzero reference count");
}
if (cp->tag_at(i).is_unresolved_string()) {
} else if (tag.is_unresolved_string()) {
if (entry.is_oop()) {
guarantee(entry.get_oop()->is_perm(), "should be in permspace");
guarantee(entry.get_oop()->is_instance(), "should be instance");
@ -456,8 +458,7 @@ void constantPoolKlass::oop_verify_on(oop obj, outputStream* st) {
else {
guarantee(entry.get_symbol()->refcount() != 0, "should have nonzero reference count");
}
}
if (cp->tag_at(i).is_string()) {
} else if (tag.is_string()) {
if (!cp->has_pseudo_string()) {
if (entry.is_oop()) {
guarantee(!JavaObjectsInPerm || entry.get_oop()->is_perm(),
@ -467,8 +468,11 @@ void constantPoolKlass::oop_verify_on(oop obj, outputStream* st) {
} else {
// can be non-perm, can be non-instance (array)
}
} else if (tag.is_object()) {
assert(entry.get_oop()->is_oop(), "should be some valid oop");
} else {
assert(!cp->is_pointer_entry(i), "unhandled oop type in constantPoolKlass::verify_on");
}
// FIXME: verify JSR 292 tags JVM_CONSTANT_MethodHandle, etc.
}
guarantee(cp->tags()->is_perm(), "should be in permspace");
guarantee(cp->tags()->is_typeArray(), "should be type array");