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/*
* Copyright (c) 1999, 2022, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*
*/
#include "precompiled.hpp"
#include "ci/ciField.hpp"
#include "ci/ciInstance.hpp"
#include "ci/ciInstanceKlass.hpp"
#include "ci/ciUtilities.inline.hpp"
#include "classfile/javaClasses.hpp"
#include "classfile/vmClasses.hpp"
#include "memory/allocation.hpp"
#include "memory/allocation.inline.hpp"
#include "memory/resourceArea.hpp"
#include "oops/instanceKlass.inline.hpp"
#include "oops/klass.inline.hpp"
#include "oops/oop.inline.hpp"
#include "oops/fieldStreams.inline.hpp"
#include "runtime/fieldDescriptor.inline.hpp"
#include "runtime/handles.inline.hpp"
#include "runtime/jniHandles.inline.hpp"
// ciInstanceKlass
//
// This class represents a Klass* in the HotSpot virtual machine
// whose Klass part in an InstanceKlass.
// ------------------------------------------------------------------
// ciInstanceKlass::ciInstanceKlass
//
// Loaded instance klass.
ciInstanceKlass::ciInstanceKlass(Klass* k) :
ciKlass(k)
{
assert(get_Klass()->is_instance_klass(), "wrong type");
assert(get_instanceKlass()->is_loaded(), "must be at least loaded");
InstanceKlass* ik = get_instanceKlass();
AccessFlags access_flags = ik->access_flags();
_flags = ciFlags(access_flags);
_has_finalizer = access_flags.has_finalizer();
_has_subklass = flags().is_final() ? subklass_false : subklass_unknown;
_init_state = ik->init_state();
_has_nonstatic_fields = ik->has_nonstatic_fields();
_has_nonstatic_concrete_methods = ik->has_nonstatic_concrete_methods();
_is_hidden = ik->is_hidden();
_is_record = ik->is_record();
_nonstatic_fields = NULL; // initialized lazily by compute_nonstatic_fields:
_has_injected_fields = -1;
_implementor = NULL; // we will fill these lazily
// Ensure that the metadata wrapped by the ciMetadata is kept alive by GC.
// This is primarily useful for metadata which is considered as weak roots
// by the GC but need to be strong roots if reachable from a current compilation.
// InstanceKlass are created for both weak and strong metadata. Ensuring this metadata
// alive covers the cases where there are weak roots without performance cost.
oop holder = ik->klass_holder();
if (ik->class_loader_data()->has_class_mirror_holder()) {
// Though ciInstanceKlass records class loader oop, it's not enough to keep
// non-strong hidden classes alive (loader == NULL). Klass holder should
// be used instead. It is enough to record a ciObject, since cached elements are never removed
// during ciObjectFactory lifetime. ciObjectFactory itself is created for
// every compilation and lives for the whole duration of the compilation.
assert(holder != NULL, "holder of hidden class is the mirror which is never null");
(void)CURRENT_ENV->get_object(holder);
}
JavaThread *thread = JavaThread::current();
if (ciObjectFactory::is_initialized()) {
_loader = JNIHandles::make_local(thread, ik->class_loader());
_protection_domain = JNIHandles::make_local(thread,
ik->protection_domain());
_is_shared = false;
} else {
Handle h_loader(thread, ik->class_loader());
Handle h_protection_domain(thread, ik->protection_domain());
_loader = JNIHandles::make_global(h_loader);
_protection_domain = JNIHandles::make_global(h_protection_domain);
_is_shared = true;
}
_has_trusted_loader = compute_has_trusted_loader();
// Lazy fields get filled in only upon request.
_super = NULL;
_java_mirror = NULL;
if (is_shared()) {
if (k != vmClasses::Object_klass()) {
super();
}
//compute_nonstatic_fields(); // done outside of constructor
}
_field_cache = NULL;
}
// Version for unloaded classes:
ciInstanceKlass::ciInstanceKlass(ciSymbol* name,
jobject loader, jobject protection_domain)
: ciKlass(name, T_OBJECT)
{
assert(name->char_at(0) != JVM_SIGNATURE_ARRAY, "not an instance klass");
_init_state = (InstanceKlass::ClassState)0;
_has_nonstatic_fields = false;
_nonstatic_fields = NULL;
_has_injected_fields = -1;
_is_hidden = false;
_is_record = false;
_loader = loader;
_protection_domain = protection_domain;
_is_shared = false;
_super = NULL;
_java_mirror = NULL;
_field_cache = NULL;
_has_trusted_loader = compute_has_trusted_loader();
}
// ------------------------------------------------------------------
// ciInstanceKlass::compute_shared_is_initialized
void ciInstanceKlass::compute_shared_init_state() {
GUARDED_VM_ENTRY(
InstanceKlass* ik = get_instanceKlass();
_init_state = ik->init_state();
)
}
// ------------------------------------------------------------------
// ciInstanceKlass::compute_shared_has_subklass
bool ciInstanceKlass::compute_shared_has_subklass() {
GUARDED_VM_ENTRY(
InstanceKlass* ik = get_instanceKlass();
_has_subklass = ik->subklass() != NULL ? subklass_true : subklass_false;
return _has_subklass == subklass_true;
)
}
// ------------------------------------------------------------------
// ciInstanceKlass::loader
oop ciInstanceKlass::loader() {
ASSERT_IN_VM;
return JNIHandles::resolve(_loader);
}
// ------------------------------------------------------------------
// ciInstanceKlass::loader_handle
jobject ciInstanceKlass::loader_handle() {
return _loader;
}
// ------------------------------------------------------------------
// ciInstanceKlass::protection_domain
oop ciInstanceKlass::protection_domain() {
ASSERT_IN_VM;
return JNIHandles::resolve(_protection_domain);
}
// ------------------------------------------------------------------
// ciInstanceKlass::protection_domain_handle
jobject ciInstanceKlass::protection_domain_handle() {
return _protection_domain;
}
// ------------------------------------------------------------------
// ciInstanceKlass::field_cache
//
// Get the field cache associated with this klass.
ciConstantPoolCache* ciInstanceKlass::field_cache() {
if (is_shared()) {
return NULL;
}
if (_field_cache == NULL) {
assert(!is_java_lang_Object(), "Object has no fields");
Arena* arena = CURRENT_ENV->arena();
_field_cache = new (arena) ciConstantPoolCache(arena, 5);
}
return _field_cache;
}
// ------------------------------------------------------------------
// ciInstanceKlass::get_canonical_holder
//
ciInstanceKlass* ciInstanceKlass::get_canonical_holder(int offset) {
#ifdef ASSERT
if (!(offset >= 0 && offset < layout_helper_size_in_bytes())) {
tty->print("*** get_canonical_holder(%d) on ", offset);
this->print();
tty->print_cr(" ***");
};
assert(offset >= 0 && offset < layout_helper_size_in_bytes(), "offset must be tame");
#endif
if (offset < instanceOopDesc::base_offset_in_bytes()) {
// All header offsets belong properly to java/lang/Object.
return CURRENT_ENV->Object_klass();
}
ciInstanceKlass* self = this;
assert(self->is_loaded(), "must be loaded to access field info");
ciField* field = self->get_field_by_offset(offset, false);
if (field != NULL) {
return field->holder();
} else {
for (;;) {
assert(self->is_loaded(), "must be loaded to have size");
ciInstanceKlass* super = self->super();
if (super == NULL ||
super->nof_nonstatic_fields() == 0 ||
super->layout_helper_size_in_bytes() <= offset) {
return self;
} else {
self = super; // return super->get_canonical_holder(offset)
}
}
}
}
// ------------------------------------------------------------------
// ciInstanceKlass::is_java_lang_Object
//
// Is this klass java.lang.Object?
bool ciInstanceKlass::is_java_lang_Object() const {
return equals(CURRENT_ENV->Object_klass());
}
// ------------------------------------------------------------------
// ciInstanceKlass::uses_default_loader
bool ciInstanceKlass::uses_default_loader() const {
// Note: We do not need to resolve the handle or enter the VM
// in order to test null-ness.
return _loader == NULL;
}
// ------------------------------------------------------------------
/**
* Return basic type of boxed value for box klass or T_OBJECT if not.
*/
BasicType ciInstanceKlass::box_klass_type() const {
if (uses_default_loader() && is_loaded()) {
return vmClasses::box_klass_type(get_Klass());
} else {
return T_OBJECT;
}
}
/**
* Is this boxing klass?
*/
bool ciInstanceKlass::is_box_klass() const {
return is_java_primitive(box_klass_type());
}
/**
* Is this boxed value offset?
*/
bool ciInstanceKlass::is_boxed_value_offset(int offset) const {
BasicType bt = box_klass_type();
return is_java_primitive(bt) &&
(offset == java_lang_boxing_object::value_offset(bt));
}
// ------------------------------------------------------------------
// ciInstanceKlass::is_in_package
//
// Is this klass in the given package?
bool ciInstanceKlass::is_in_package(const char* packagename, int len) {
// To avoid class loader mischief, this test always rejects application classes.
if (!uses_default_loader())
return false;
GUARDED_VM_ENTRY(
return is_in_package_impl(packagename, len);
)
}
bool ciInstanceKlass::is_in_package_impl(const char* packagename, int len) {
ASSERT_IN_VM;
// If packagename contains trailing '/' exclude it from the
// prefix-test since we test for it explicitly.
if (packagename[len - 1] == '/')
len--;
if (!name()->starts_with(packagename, len))
return false;
// Test if the class name is something like "java/lang".
if ((len + 1) > name()->utf8_length())
return false;
// Test for trailing '/'
if (name()->char_at(len) != '/')
return false;
// Make sure it's not actually in a subpackage:
if (name()->index_of_at(len+1, "/", 1) >= 0)
return false;
return true;
}
// ------------------------------------------------------------------
// ciInstanceKlass::print_impl
//
// Implementation of the print method.
void ciInstanceKlass::print_impl(outputStream* st) {
ciKlass::print_impl(st);
GUARDED_VM_ENTRY(st->print(" loader=" INTPTR_FORMAT, p2i(loader()));)
if (is_loaded()) {
st->print(" initialized=%s finalized=%s subklass=%s size=%d flags=",
bool_to_str(is_initialized()),
bool_to_str(has_finalizer()),
bool_to_str(has_subklass()),
layout_helper());
_flags.print_klass_flags();
if (_super) {
st->print(" super=");
_super->print_name();
}
if (_java_mirror) {
st->print(" mirror=PRESENT");
}
}
}
// ------------------------------------------------------------------
// ciInstanceKlass::super
//
// Get the superklass of this klass.
ciInstanceKlass* ciInstanceKlass::super() {
assert(is_loaded(), "must be loaded");
if (_super == NULL && !is_java_lang_Object()) {
GUARDED_VM_ENTRY(
Klass* super_klass = get_instanceKlass()->super();
_super = CURRENT_ENV->get_instance_klass(super_klass);
)
}
return _super;
}
// ------------------------------------------------------------------
// ciInstanceKlass::java_mirror
//
// Get the instance of java.lang.Class corresponding to this klass.
// Cache it on this->_java_mirror.
ciInstance* ciInstanceKlass::java_mirror() {
if (is_shared()) {
return ciKlass::java_mirror();
}
if (_java_mirror == NULL) {
_java_mirror = ciKlass::java_mirror();
}
return _java_mirror;
}
// ------------------------------------------------------------------
// ciInstanceKlass::unique_concrete_subklass
ciInstanceKlass* ciInstanceKlass::unique_concrete_subklass() {
if (!is_loaded()) return NULL; // No change if class is not loaded
if (!is_abstract()) return NULL; // Only applies to abstract classes.
if (!has_subklass()) return NULL; // Must have at least one subklass.
VM_ENTRY_MARK;
InstanceKlass* ik = get_instanceKlass();
Klass* up = ik->up_cast_abstract();
assert(up->is_instance_klass(), "must be InstanceKlass");
if (ik == up) {
return NULL;
}
return CURRENT_THREAD_ENV->get_instance_klass(up);
}
// ------------------------------------------------------------------
// ciInstanceKlass::has_finalizable_subclass
bool ciInstanceKlass::has_finalizable_subclass() {
if (!is_loaded()) return true;
VM_ENTRY_MARK;
return Dependencies::find_finalizable_subclass(get_instanceKlass()) != NULL;
}
// ------------------------------------------------------------------
// ciInstanceKlass::contains_field_offset
bool ciInstanceKlass::contains_field_offset(int offset) {
VM_ENTRY_MARK;
return get_instanceKlass()->contains_field_offset(offset);
}
// ------------------------------------------------------------------
// ciInstanceKlass::get_field_by_offset
ciField* ciInstanceKlass::get_field_by_offset(int field_offset, bool is_static) {
if (!is_static) {
for (int i = 0, len = nof_nonstatic_fields(); i < len; i++) {
ciField* field = _nonstatic_fields->at(i);
int field_off = field->offset_in_bytes();
if (field_off == field_offset)
return field;
if (field_off > field_offset)
break;
// could do binary search or check bins, but probably not worth it
}
return NULL;
}
VM_ENTRY_MARK;
InstanceKlass* k = get_instanceKlass();
fieldDescriptor fd;
if (!k->find_field_from_offset(field_offset, is_static, &fd)) {
return NULL;
}
ciField* field = new (CURRENT_THREAD_ENV->arena()) ciField(&fd);
return field;
}
// ------------------------------------------------------------------
// ciInstanceKlass::get_field_by_name
ciField* ciInstanceKlass::get_field_by_name(ciSymbol* name, ciSymbol* signature, bool is_static) {
VM_ENTRY_MARK;
InstanceKlass* k = get_instanceKlass();
fieldDescriptor fd;
Klass* def = k->find_field(name->get_symbol(), signature->get_symbol(), is_static, &fd);
if (def == NULL) {
return NULL;
}
ciField* field = new (CURRENT_THREAD_ENV->arena()) ciField(&fd);
return field;
}
static int sort_field_by_offset(ciField** a, ciField** b) {
return (*a)->offset_in_bytes() - (*b)->offset_in_bytes();
// (no worries about 32-bit overflow...)
}
// ------------------------------------------------------------------
// ciInstanceKlass::compute_nonstatic_fields
int ciInstanceKlass::compute_nonstatic_fields() {
assert(is_loaded(), "must be loaded");
if (_nonstatic_fields != NULL)
return _nonstatic_fields->length();
if (!has_nonstatic_fields()) {
Arena* arena = CURRENT_ENV->arena();
_nonstatic_fields = new (arena) GrowableArray<ciField*>(arena, 0, 0, NULL);
return 0;
}
assert(!is_java_lang_Object(), "bootstrap OK");
ciInstanceKlass* super = this->super();
GrowableArray<ciField*>* super_fields = NULL;
if (super != NULL && super->has_nonstatic_fields()) {
int super_flen = super->nof_nonstatic_fields();
super_fields = super->_nonstatic_fields;
assert(super_flen == 0 || super_fields != NULL, "first get nof_fields");
}
GrowableArray<ciField*>* fields = NULL;
GUARDED_VM_ENTRY({
fields = compute_nonstatic_fields_impl(super_fields);
});
if (fields == NULL) {
// This can happen if this class (java.lang.Class) has invisible fields.
if (super_fields != NULL) {
_nonstatic_fields = super_fields;
return super_fields->length();
} else {
return 0;
}
}
int flen = fields->length();
// Now sort them by offset, ascending.
// (In principle, they could mix with superclass fields.)
fields->sort(sort_field_by_offset);
_nonstatic_fields = fields;
return flen;
}
GrowableArray<ciField*>*
ciInstanceKlass::compute_nonstatic_fields_impl(GrowableArray<ciField*>*
super_fields) {
ASSERT_IN_VM;
Arena* arena = CURRENT_ENV->arena();
int flen = 0;
GrowableArray<ciField*>* fields = NULL;
InstanceKlass* k = get_instanceKlass();
for (JavaFieldStream fs(k); !fs.done(); fs.next()) {
if (fs.access_flags().is_static()) continue;
flen += 1;
}
// allocate the array:
if (flen == 0) {
return NULL; // return nothing if none are locally declared
}
if (super_fields != NULL) {
flen += super_fields->length();
}
fields = new (arena) GrowableArray<ciField*>(arena, flen, 0, NULL);
if (super_fields != NULL) {
fields->appendAll(super_fields);
}
for (JavaFieldStream fs(k); !fs.done(); fs.next()) {
if (fs.access_flags().is_static()) continue;
fieldDescriptor& fd = fs.field_descriptor();
ciField* field = new (arena) ciField(&fd);
fields->append(field);
}
assert(fields->length() == flen, "sanity");
return fields;
}
bool ciInstanceKlass::compute_injected_fields_helper() {
ASSERT_IN_VM;
InstanceKlass* k = get_instanceKlass();
for (InternalFieldStream fs(k); !fs.done(); fs.next()) {
if (fs.access_flags().is_static()) continue;
return true;
}
return false;
}
void ciInstanceKlass::compute_injected_fields() {
assert(is_loaded(), "must be loaded");
int has_injected_fields = 0;
if (super() != NULL && super()->has_injected_fields()) {
has_injected_fields = 1;
} else {
GUARDED_VM_ENTRY({
has_injected_fields = compute_injected_fields_helper() ? 1 : 0;
});
}
// may be concurrently initialized for shared ciInstanceKlass objects
assert(_has_injected_fields == -1 || _has_injected_fields == has_injected_fields, "broken concurrent initialization");
_has_injected_fields = has_injected_fields;
}
bool ciInstanceKlass::has_object_fields() const {
GUARDED_VM_ENTRY(
return get_instanceKlass()->nonstatic_oop_map_size() > 0;
);
}
bool ciInstanceKlass::compute_has_trusted_loader() {
ASSERT_IN_VM;
oop loader_oop = loader();
if (loader_oop == NULL) {
return true; // bootstrap class loader
}
return java_lang_ClassLoader::is_trusted_loader(loader_oop);
}
// ------------------------------------------------------------------
// ciInstanceKlass::find_method
//
// Find a method in this klass.
ciMethod* ciInstanceKlass::find_method(ciSymbol* name, ciSymbol* signature) {
VM_ENTRY_MARK;
InstanceKlass* k = get_instanceKlass();
Symbol* name_sym = name->get_symbol();
Symbol* sig_sym= signature->get_symbol();
Method* m = k->find_method(name_sym, sig_sym);
if (m == NULL) return NULL;
return CURRENT_THREAD_ENV->get_method(m);
}
// ------------------------------------------------------------------
// ciInstanceKlass::is_leaf_type
bool ciInstanceKlass::is_leaf_type() {
assert(is_loaded(), "must be loaded");
if (is_shared()) {
return is_final(); // approximately correct
} else {
return !has_subklass() && (nof_implementors() == 0);
}
}
// ------------------------------------------------------------------
// ciInstanceKlass::implementor
//
// Report an implementor of this interface.
// Note that there are various races here, since my copy
// of _nof_implementors might be out of date with respect
// to results returned by InstanceKlass::implementor.
// This is OK, since any dependencies we decide to assert
// will be checked later under the Compile_lock.
ciInstanceKlass* ciInstanceKlass::implementor() {
ciInstanceKlass* impl = _implementor;
if (impl == NULL) {
if (is_shared()) {
impl = this; // assume a well-known interface never has a unique implementor
} else {
// Go into the VM to fetch the implementor.
VM_ENTRY_MARK;
MutexLocker ml(Compile_lock);
Klass* k = get_instanceKlass()->implementor();
if (k != NULL) {
if (k == get_instanceKlass()) {
// More than one implementors. Use 'this' in this case.
impl = this;
} else {
impl = CURRENT_THREAD_ENV->get_instance_klass(k);
}
}
}
// Memoize this result.
_implementor = impl;
}
return impl;
}
// Utility class for printing of the contents of the static fields for
// use by compilation replay. It only prints out the information that
// could be consumed by the compiler, so for primitive types it prints
// out the actual value. For Strings it's the actual string value.
// For array types it it's first level array size since that's the
// only value which statically unchangeable. For all other reference
// types it simply prints out the dynamic type.
class StaticFinalFieldPrinter : public FieldClosure {
outputStream* _out;
const char* _holder;
public:
StaticFinalFieldPrinter(outputStream* out, const char* holder) :
_out(out),
_holder(holder) {
}
void do_field(fieldDescriptor* fd) {
if (fd->is_final() && !fd->has_initial_value()) {
ResourceMark rm;
oop mirror = fd->field_holder()->java_mirror();
_out->print("staticfield %s %s %s ", _holder, fd->name()->as_quoted_ascii(), fd->signature()->as_quoted_ascii());
switch (fd->field_type()) {
case T_BYTE: _out->print_cr("%d", mirror->byte_field(fd->offset())); break;
case T_BOOLEAN: _out->print_cr("%d", mirror->bool_field(fd->offset())); break;
case T_SHORT: _out->print_cr("%d", mirror->short_field(fd->offset())); break;
case T_CHAR: _out->print_cr("%d", mirror->char_field(fd->offset())); break;
case T_INT: _out->print_cr("%d", mirror->int_field(fd->offset())); break;
case T_LONG: _out->print_cr(INT64_FORMAT, (int64_t)(mirror->long_field(fd->offset()))); break;
case T_FLOAT: {
float f = mirror->float_field(fd->offset());
_out->print_cr("%d", *(int*)&f);
break;
}
case T_DOUBLE: {
double d = mirror->double_field(fd->offset());
_out->print_cr(INT64_FORMAT, *(int64_t*)&d);
break;
}
case T_ARRAY: // fall-through
case T_OBJECT: {
oop value = mirror->obj_field_acquire(fd->offset());
if (value == NULL) {
_out->print_cr("null");
} else if (value->is_instance()) {
assert(fd->field_type() == T_OBJECT, "");
if (value->is_a(vmClasses::String_klass())) {
const char* ascii_value = java_lang_String::as_quoted_ascii(value);
_out->print_cr("\"%s\"", (ascii_value != NULL) ? ascii_value : "");
} else {
const char* klass_name = value->klass()->name()->as_quoted_ascii();
_out->print_cr("%s", klass_name);
}
} else if (value->is_array()) {
typeArrayOop ta = (typeArrayOop)value;
_out->print("%d", ta->length());
if (value->is_objArray()) {
objArrayOop oa = (objArrayOop)value;
const char* klass_name = value->klass()->name()->as_quoted_ascii();
_out->print(" %s", klass_name);
}
_out->cr();
} else {
ShouldNotReachHere();
}
break;
}
default:
ShouldNotReachHere();
}
}
}
};
const char *ciInstanceKlass::replay_name() const {
return CURRENT_ENV->replay_name(get_instanceKlass());
}
void ciInstanceKlass::dump_replay_instanceKlass(outputStream* out, InstanceKlass* ik) {
if (ik->is_hidden()) {
const char *name = CURRENT_ENV->dyno_name(ik);
if (name != NULL) {
out->print_cr("instanceKlass %s # %s", name, ik->name()->as_quoted_ascii());
} else {
out->print_cr("# instanceKlass %s", ik->name()->as_quoted_ascii());
}
} else {
out->print_cr("instanceKlass %s", ik->name()->as_quoted_ascii());
}
}
void ciInstanceKlass::dump_replay_data(outputStream* out) {
ResourceMark rm;
InstanceKlass* ik = get_instanceKlass();
ConstantPool* cp = ik->constants();
// Try to record related loaded classes
Klass* sub = ik->subklass();
while (sub != NULL) {
if (sub->is_instance_klass()) {
InstanceKlass *isub = InstanceKlass::cast(sub);
dump_replay_instanceKlass(out, isub);
}
sub = sub->next_sibling();
}
// Dump out the state of the constant pool tags. During replay the
// tags will be validated for things which shouldn't change and
// classes will be resolved if the tags indicate that they were
// resolved at compile time.
const char *name = replay_name();
out->print("ciInstanceKlass %s %d %d %d", name,
is_linked(), is_initialized(), cp->length());
for (int index = 1; index < cp->length(); index++) {
out->print(" %d", cp->tags()->at(index));
}
out->cr();
if (is_initialized()) {
// Dump out the static final fields in case the compilation relies
// on their value for correct replay.
StaticFinalFieldPrinter sffp(out, name);
ik->do_local_static_fields(&sffp);
}
}
#ifdef ASSERT
bool ciInstanceKlass::debug_final_field_at(int offset) {
GUARDED_VM_ENTRY(
InstanceKlass* ik = get_instanceKlass();
fieldDescriptor fd;
if (ik->find_field_from_offset(offset, false, &fd)) {
return fd.is_final();
}
);
return false;
}
bool ciInstanceKlass::debug_stable_field_at(int offset) {
GUARDED_VM_ENTRY(
InstanceKlass* ik = get_instanceKlass();
fieldDescriptor fd;
if (ik->find_field_from_offset(offset, false, &fd)) {
return fd.is_stable();
}
);
return false;
}
#endif
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