Mercurial > hg > truffle
diff src/cpu/zero/vm/entryFrame_zero.hpp @ 1010:354d3184f6b2
6890308: integrate zero assembler hotspot changes
Reviewed-by: never
Contributed-by: gbenson@redhat.com
author | never |
---|---|
date | Tue, 13 Oct 2009 12:04:21 -0700 |
parents | |
children | f9271ff9d324 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/cpu/zero/vm/entryFrame_zero.hpp Tue Oct 13 12:04:21 2009 -0700 @@ -0,0 +1,65 @@ +/* + * Copyright 2003-2007 Sun Microsystems, Inc. All Rights Reserved. + * Copyright 2008 Red Hat, Inc. + * 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, + * CA 95054 USA or visit www.sun.com if you need additional information or + * have any questions. + * + */ + +// | ... | +// +--------------------+ ------------------ +// | parameter n-1 | low addresses +// | ... | +// | parameter 0 | +// | call_wrapper | +// | frame_type | +// | next_frame | high addresses +// +--------------------+ ------------------ +// | ... | + +class EntryFrame : public ZeroFrame { + private: + EntryFrame() : ZeroFrame() { + ShouldNotCallThis(); + } + + protected: + enum Layout { + call_wrapper_off = jf_header_words, + header_words + }; + + public: + static EntryFrame *build(ZeroStack* stack, + const intptr_t* parameters, + int parameter_words, + JavaCallWrapper* call_wrapper); + public: + JavaCallWrapper *call_wrapper() const { + return (JavaCallWrapper *) value_of_word(call_wrapper_off); + } + + public: + void identify_word(int frame_index, + int offset, + char* fieldbuf, + char* valuebuf, + int buflen) const; +};