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* Copyright (c) 2005 Jakub Jermar
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* - Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* - Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* - The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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/** @addtogroup sparc64
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#ifndef KERN_sparc64_STACK_H_
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#define KERN_sparc64_STACK_H_
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#define STACK_ITEM_SIZE 8
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/** According to SPARC Compliance Definition, every stack frame is 16-byte aligned. */
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#define STACK_ALIGNMENT 16
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* 16-extended-word save area for %i[0-7] and %l[0-7] registers.
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#define STACK_WINDOW_SAVE_AREA_SIZE (16 * STACK_ITEM_SIZE)
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* Six extended words for first six arguments.
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#define STACK_ARG_SAVE_AREA_SIZE (6 * STACK_ITEM_SIZE)
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* By convention, the actual top of the stack is %sp + STACK_BIAS.
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#define STACK_BIAS 2047
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* Offsets of arguments on stack.