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78 lines
2.3 KiB
C++
78 lines
2.3 KiB
C++
/*
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* Copyright 2003-2007 Sun Microsystems, Inc. All Rights Reserved.
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* Copyright 2007, 2008, 2009 Red Hat, Inc.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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* CA 95054 USA or visit www.sun.com if you need additional information or
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* have any questions.
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*
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*/
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// A frame represents a physical stack frame on the Zero stack.
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public:
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enum {
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pc_return_offset = 0
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};
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// Constructor
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public:
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frame(intptr_t* sp, intptr_t* fp);
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// The sp of a Zero frame is the address of the highest word in
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// that frame. We keep track of the lowest address too, so the
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// boundaries of the frame are available for debug printing.
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private:
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intptr_t* _fp;
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public:
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intptr_t* fp() const {
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return _fp;
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}
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#ifdef CC_INTERP
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inline interpreterState get_interpreterState() const;
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#endif // CC_INTERP
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public:
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const ZeroFrame *zeroframe() const {
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return (ZeroFrame *) sp();
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}
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const EntryFrame *zero_entryframe() const {
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return zeroframe()->as_entry_frame();
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}
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const InterpreterFrame *zero_interpreterframe() const {
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return zeroframe()->as_interpreter_frame();
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}
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const SharkFrame *zero_sharkframe() const {
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return zeroframe()->as_shark_frame();
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}
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public:
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bool is_fake_stub_frame() const;
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public:
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frame sender_for_fake_stub_frame(RegisterMap* map) const;
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public:
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void zero_print_on_error(int index,
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outputStream* st,
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char* buf,
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int buflen) const;
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