0,0 → 1,79 |
/* |
* Copyright (C) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
|
#ifndef __sparc64_CONTEXT_H__ |
#define __sparc64_CONTEXT_H__ |
|
#ifndef __sparc64_TYPES_H__ |
# include <arch/types.h> |
#endif |
|
#ifndef __ALIGN_H__ |
# include <align.h> |
#endif |
|
#define STACK_ALIGNMENT 8 |
#define STACK_ITEM_SIZE 8 |
|
/* |
* One item is put onto the stack to support get_stack_base(). |
*/ |
#define SP_DELTA (0+STACK_ITEM_SIZE) |
|
#ifdef context_set |
#undef context_set |
#endif |
|
#define context_set(c, _pc, stack, size) \ |
(c)->pc = ((__address) _pc) - 8; \ |
(c)->sp = ((__address) stack) + (ALIGN((size), STACK_ALIGNMENT) + 1) - SP_DELTA; |
|
/* |
* Only save registers that must be preserved across |
* function calls. |
*/ |
struct context { |
__u64 l0; |
__u64 l1; |
__u64 l2; |
__u64 l3; |
__u64 l4; |
__u64 l5; |
__u64 l6; |
__u64 l7; |
__u64 i1; |
__u64 i2; |
__u64 i3; |
__u64 i4; |
__u64 i5; |
__address sp; /* %i6 */ |
__address pc; /* %i7 */ |
ipl_t ipl; |
}; |
|
#endif |