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/*
* Private macros for accessing __jmp_buf contents. kvx version.
* This file is subject to the terms and conditions of the LGPL V2.1
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* Copyright (C) 2019 Kalray Inc.
*/
#include <bits/wordsize.h>
#if __WORDSIZE == 64
/* We only need to save callee-saved registers plus stackpointer */
# define JB_R12 0 /* stack pointer */
# define JB_R14 1 /* frame pointer */
# define JB_R18 2
# define JB_R19 3
# define JB_R20 4
# define JB_R21 5
# define JB_R22 6
# define JB_R23 7
# define JB_R24 8
# define JB_R25 9
# define JB_R26 10
# define JB_R27 11
# define JB_R28 12
# define JB_R29 13
# define JB_R30 14
# define JB_R31 15
#ifndef __ASSEMBLER__
#include <setjmp.h>
#include <stdint.h>
#include <sysdep.h>
static inline uintptr_t __attribute__ ((unused))
_jmpbuf_sp (__jmp_buf jmpbuf)
{
uintptr_t sp = jmpbuf[0].regs[JB_R12];
return sp;
}
#endif
#else
#error unsupported 32 bit wordsize
#endif
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