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7010180: JSR 292 InvokeDynamicPrintArgs fails with: assert(_adapter == NULL) failed: init'd to NULL

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Reviewed-by: never
This commit is contained in:
Christian Thalinger 2011-01-10 00:56:39 -08:00
parent 5bce844ff6
commit b2f607fcb6
4 changed files with 29 additions and 22 deletions
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25
hotspot/src/share/vm/prims/methodHandles.cpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2008, 2011, 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
@ -111,7 +111,7 @@ bool MethodHandles::spot_check_entry_names() {
//------------------------------------------------------------------------------
// MethodHandles::generate_adapters
//
void MethodHandles::generate_adapters(TRAPS) {
void MethodHandles::generate_adapters() {
if (!EnableMethodHandles || SystemDictionary::MethodHandle_klass() == NULL) return;
assert(_adapter_code == NULL, "generate only once");
@ -123,20 +123,20 @@ void MethodHandles::generate_adapters(TRAPS) {
vm_exit_out_of_memory(_adapter_code_size, "CodeCache: no room for MethodHandles adapters");
CodeBuffer code(_adapter_code);
MethodHandlesAdapterGenerator g(&code);
g.generate(CHECK);
g.generate();
}
//------------------------------------------------------------------------------
// MethodHandlesAdapterGenerator::generate
//
void MethodHandlesAdapterGenerator::generate(TRAPS) {
void MethodHandlesAdapterGenerator::generate() {
// Generate generic method handle adapters.
for (MethodHandles::EntryKind ek = MethodHandles::_EK_FIRST;
ek < MethodHandles::_EK_LIMIT;
ek = MethodHandles::EntryKind(1 + (int)ek)) {
StubCodeMark mark(this, "MethodHandle", MethodHandles::entry_name(ek));
MethodHandles::generate_method_handle_stub(_masm, ek, CHECK);
MethodHandles::generate_method_handle_stub(_masm, ek);
}
}
@ -2621,10 +2621,20 @@ JVM_ENTRY(void, JVM_RegisterMethodHandleMethods(JNIEnv *env, jclass MHN_class))
warning("JSR 292 method handle code is mismatched to this JVM. Disabling support.");
enable_MH = false;
}
} else {
enable_MH = false;
}
}
if (enable_MH) {
// We need to link the MethodHandleImpl klass before we generate
// the method handle adapters as the _raise_exception adapter uses
// one of its methods (and its c2i-adapter).
KlassHandle k = SystemDictionaryHandles::MethodHandleImpl_klass();
instanceKlass* ik = instanceKlass::cast(k());
ik->link_class(CHECK);
MethodHandles::generate_adapters();
MethodHandles::set_enabled(true);
}
@ -2645,10 +2655,5 @@ JVM_ENTRY(void, JVM_RegisterMethodHandleMethods(JNIEnv *env, jclass MHN_class))
MethodHandles::set_enabled(true);
}
}
// Generate method handles adapters if enabled.
if (MethodHandles::enabled()) {
MethodHandles::generate_adapters(CHECK);
}
}
JVM_END