Mercurial > hg > truffle
diff src/share/vm/prims/methodHandles.cpp @ 1330:4a9cc99938e3
Merge
author | acorn |
---|---|
date | Fri, 26 Mar 2010 11:10:26 -0400 |
parents | 9eba43136cb5 |
children | cd5dbf694d45 |
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--- a/src/share/vm/prims/methodHandles.cpp Thu Mar 25 16:54:59 2010 -0700 +++ b/src/share/vm/prims/methodHandles.cpp Fri Mar 26 11:10:26 2010 -0400 @@ -1,5 +1,5 @@ /* - * Copyright 2008-2009 Sun Microsystems, Inc. All Rights Reserved. + * Copyright 2008-2010 Sun Microsystems, Inc. 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 @@ -82,6 +82,10 @@ NULL }; +// Adapters. +MethodHandlesAdapterBlob* MethodHandles::_adapter_code = NULL; +int MethodHandles::_adapter_code_size = StubRoutines::method_handles_adapters_code_size; + jobject MethodHandles::_raise_exception_method; #ifdef ASSERT @@ -95,6 +99,41 @@ } #endif + +//------------------------------------------------------------------------------ +// MethodHandles::generate_adapters +// +void MethodHandles::generate_adapters() { + if (!EnableMethodHandles || SystemDictionary::MethodHandle_klass() == NULL) return; + + assert(_adapter_code == NULL, "generate only once"); + + ResourceMark rm; + TraceTime timer("MethodHandles adapters generation", TraceStartupTime); + _adapter_code = MethodHandlesAdapterBlob::create(_adapter_code_size); + if (_adapter_code == NULL) + vm_exit_out_of_memory(_adapter_code_size, "CodeCache: no room for MethodHandles adapters"); + CodeBuffer code(_adapter_code->instructions_begin(), _adapter_code->instructions_size()); + + MethodHandlesAdapterGenerator g(&code); + g.generate(); +} + + +//------------------------------------------------------------------------------ +// MethodHandlesAdapterGenerator::generate +// +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); + } +} + + void MethodHandles::set_enabled(bool z) { if (_enabled != z) { guarantee(z && EnableMethodHandles, "can only enable once, and only if -XX:+EnableMethodHandles");