/*
* Copyright (c) 2016 Martin Decky
* 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 _LIBC_ARCH_FIBRIL_CONTEXT_H_
#define _LIBC_ARCH_FIBRIL_CONTEXT_H_
#define __CONTEXT_OFFSET_SP 0x00
#define __CONTEXT_OFFSET_PC 0x08
#define __CONTEXT_OFFSET_ZERO 0x10
#define __CONTEXT_OFFSET_RA 0x18
#define __CONTEXT_OFFSET_X3 0x20
#define __CONTEXT_OFFSET_X4 0x28
#define __CONTEXT_OFFSET_X5 0x30
#define __CONTEXT_OFFSET_X6 0x38
#define __CONTEXT_OFFSET_X7 0x40
#define __CONTEXT_OFFSET_X8 0x48
#define __CONTEXT_OFFSET_X9 0x50
#define __CONTEXT_OFFSET_X10 0x58
#define __CONTEXT_OFFSET_X11 0x60
#define __CONTEXT_OFFSET_X12 0x68
#define __CONTEXT_OFFSET_X13 0x70
#define __CONTEXT_OFFSET_X14 0x78
#define __CONTEXT_OFFSET_X15 0x80
#define __CONTEXT_OFFSET_X16 0x88
#define __CONTEXT_OFFSET_X17 0x90
#define __CONTEXT_OFFSET_X18 0x98
#define __CONTEXT_OFFSET_X19 0xa0
#define __CONTEXT_OFFSET_X20 0xa8
#define __CONTEXT_OFFSET_X21 0xb0
#define __CONTEXT_OFFSET_X22 0xb8
#define __CONTEXT_OFFSET_X23 0xc0
#define __CONTEXT_OFFSET_X24 0xc8
#define __CONTEXT_OFFSET_X25 0xd0
#define __CONTEXT_OFFSET_X26 0xd8
#define __CONTEXT_OFFSET_X27 0xe0
#define __CONTEXT_OFFSET_X28 0xe8
#define __CONTEXT_OFFSET_X29 0xf0
#define __CONTEXT_OFFSET_X30 0xf8
#define __CONTEXT_OFFSET_X31 0x100
#define __CONTEXT_SIZE 0x108
#ifndef __ASSEMBLER__
#include <stddef.h>
#include <stdint.h>
/*
* There is a room for optimization (we can store just those
* registers that must be preserved during ABI function call).
*/
typedef struct __context {
uint64_t sp;
uint64_t pc;
uint64_t zero;
uint64_t ra;
uint64_t x3;
uint64_t x4;
uint64_t x5;
uint64_t x6;
uint64_t x7;
uint64_t x8;
uint64_t x9;
uint64_t x10;
uint64_t x11;
uint64_t x12;
uint64_t x13;
uint64_t x14;
uint64_t x15;
uint64_t x16;
uint64_t x17;
uint64_t x18;
uint64_t x19;
uint64_t x20;
uint64_t x21;
uint64_t x22;
uint64_t x23;
uint64_t x24;
uint64_t x25;
uint64_t x26;
uint64_t x27;
uint64_t x28;
uint64_t x29;
uint64_t x30;
uint64_t x31;
} __context_t;
#endif
#endif