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8299229: [JVMCI] add support for UseZGC

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Reviewed-by: eosterlund, kvn
This commit is contained in:
Tom Rodriguez 2023-05-08 18:40:18 +00:00
parent 14df5c130e
commit 5e1fe43080
40 changed files with 1098 additions and 389 deletions
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17
src/hotspot/share/jvmci/jvmciEnv.cpp
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@ -1163,16 +1163,19 @@ JVMCIObject JVMCIEnv::get_jvmci_method(const methodHandle& method, JVMCI_TRAPS)
if (method() == nullptr) {
return method_object;
}
JavaThread* THREAD = JVMCI::compilation_tick(JavaThread::current()); // For exception macros.
JVMCIKlassHandle holder_klass(THREAD, method->method_holder());
JVMCIObject holder = get_jvmci_type(holder_klass, JVMCI_CHECK_(JVMCIObject()));
CompilerOracle::tag_blackhole_if_possible(method);
JavaThread* THREAD = JVMCI::compilation_tick(JavaThread::current()); // For exception macros.
jmetadata handle = _runtime->allocate_handle(method);
jboolean exception = false;
if (is_hotspot()) {
JavaValue result(T_OBJECT);
JavaCallArguments args;
args.push_long((jlong) handle);
args.push_oop(Handle(THREAD, HotSpotJVMCI::resolve(holder)));
JavaCalls::call_static(&result, HotSpotJVMCI::HotSpotResolvedJavaMethodImpl::klass(),
vmSymbols::fromMetaspace_name(),
vmSymbols::method_fromMetaspace_signature(), &args, THREAD);
@ -1185,7 +1188,7 @@ JVMCIObject JVMCIEnv::get_jvmci_method(const methodHandle& method, JVMCI_TRAPS)
JNIAccessMark jni(this, THREAD);
method_object = JNIJVMCI::wrap(jni()->CallStaticObjectMethod(JNIJVMCI::HotSpotResolvedJavaMethodImpl::clazz(),
JNIJVMCI::HotSpotResolvedJavaMethodImpl_fromMetaspace_method(),
(jlong) handle));
(jlong) handle, holder.as_jobject()));
exception = jni()->ExceptionCheck();
}
@ -1208,6 +1211,9 @@ JVMCIObject JVMCIEnv::get_jvmci_type(const JVMCIKlassHandle& klass, JVMCI_TRAPS)
return type;
}
guarantee(klass->is_klass(), "must be valid klass");
guarantee(klass->is_loader_alive(), "klass must be alive");
jlong pointer = (jlong) klass();
JavaThread* THREAD = JVMCI::compilation_tick(JavaThread::current()); // For exception macros.
jboolean exception = false;
@ -1506,9 +1512,9 @@ jlong JVMCIEnv::make_oop_handle(const Handle& obj) {
oop JVMCIEnv::resolve_oop_handle(jlong oopHandle) {
assert(oopHandle != 0, "should be a valid handle");
oop obj = *((oopDesc**) oopHandle);
oop obj = NativeAccess<>::oop_load(reinterpret_cast<oop*>(oopHandle));
if (obj != nullptr) {
oopDesc::verify(obj);
guarantee(oopDesc::is_oop_or_null(obj), "invalid oop: " INTPTR_FORMAT, p2i((oopDesc*) obj));
}
return obj;
}
@ -1644,6 +1650,9 @@ ConstantPool* JVMCIEnv::asConstantPool(JVMCIObject obj) {
return *constantPoolHandle;
}
MethodData* JVMCIEnv::asMethodData(JVMCIObject obj) {
return (MethodData*) get_HotSpotMethodData_methodDataPointer(obj);
}
// Lookup an nmethod with a matching base and compile id
nmethod* JVMCIEnv::lookup_nmethod(address code, jlong compile_id_snapshot) {