6890308: integrate zero assembler hotspot changes
Reviewed-by: never
Contributed-by: gbenson@redhat.com
/*
* Copyright 1998-2007 Sun Microsystems, Inc. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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* under the terms of the GNU General Public License version 2 only, as
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* 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).
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* 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.
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// machine-dependent implemention for register maps
friend class frame;
private:
// This is the hook for finding a register in an "well-known" location,
// such as a register block of a predetermined format.
// Since there is none, we just return NULL.
// See registerMap_sparc.hpp for an example of grabbing registers
// from register save areas of a standard layout.
address pd_location(VMReg reg) const { return NULL; }
// no PD state to clear or copy:
void pd_clear() {}
void pd_initialize() {}
void pd_initialize_from(const RegisterMap* map) {}