freebsd-skq/sys/riscv/include/frame.h
Li-Wen Hsu 8ff21c23a5 Add RISC-V support for truss(1)
While here, extract NARGREG as a definition.

Reviewed by:	br
Differential Revision:	https://reviews.freebsd.org/D9249
2017-01-24 09:41:44 +00:00

81 lines
2.6 KiB
C

/*-
* Copyright (c) 2015 Ruslan Bukin <br@bsdpad.com>
* All rights reserved.
*
* Portions of this software were developed by SRI International and the
* University of Cambridge Computer Laboratory under DARPA/AFRL contract
* FA8750-10-C-0237 ("CTSRD"), as part of the DARPA CRASH research programme.
*
* Portions of this software were developed by the University of Cambridge
* Computer Laboratory as part of the CTSRD Project, with support from the
* UK Higher Education Innovation Fund (HEIF).
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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.
*
* $FreeBSD$
*/
#ifndef _MACHINE_FRAME_H_
#define _MACHINE_FRAME_H_
#ifndef LOCORE
#include <sys/signal.h>
#include <sys/ucontext.h>
/*
* NOTE: keep this structure in sync with struct reg and struct mcontext.
*/
struct trapframe {
uint64_t tf_ra;
uint64_t tf_sp;
uint64_t tf_gp;
uint64_t tf_tp;
uint64_t tf_t[7];
uint64_t tf_s[12];
uint64_t tf_a[8];
uint64_t tf_sepc;
uint64_t tf_sstatus;
uint64_t tf_sbadaddr;
uint64_t tf_scause;
};
struct riscv_frame {
struct riscv_frame *f_frame;
u_long f_retaddr;
};
/*
* Signal frame. Pushed onto user stack before calling sigcode.
*/
struct sigframe {
siginfo_t sf_si; /* actual saved siginfo */
ucontext_t sf_uc; /* actual saved ucontext */
};
#endif /* !LOCORE */
/* Definitions for syscalls */
#define NARGREG 8 /* 8 args in regs */
#endif /* !_MACHINE_FRAME_H_ */