freebsd-dev/sys/arm64/include/frame.h
Wojciech Macek 1c7c13aa0e Implement dtrace_getupcstack in ARM64
Allow using DTRACE for performance analysis of userspace
applications - the function call stack can be captured.
This is almost an exact copy of AMD64 solution.

Obtained from:         Semihalf
Sponsored by:          Cavium
Reviewed by:           emaste, gnn, jhibbits
Differential Revision: https://reviews.freebsd.org/D5779
2016-04-06 05:13:36 +00:00

75 lines
2.2 KiB
C

/*-
* Copyright (c) 2014 Andrew Turner
* Copyright (c) 2014 The FreeBSD Foundation
* All rights reserved.
*
* This software was developed by Andrew Turner under
* sponsorship from the FreeBSD Foundation.
*
* 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_sp;
uint64_t tf_lr;
uint64_t tf_elr;
uint64_t tf_spsr;
uint64_t tf_x[30];
};
struct arm64_frame {
struct arm64_frame *f_frame;
u_long f_retaddr;
};
/*
* Signal frame, pushedonto the user stack
*/
struct sigframe {
siginfo_t sf_si; /* actual saved siginfo */
ucontext_t sf_uc; /* actual saved ucontext */
};
/*
* There is no fixed frame layout, other than to be 16-byte aligned
*/
struct frame {
int dummy;
};
#endif /* !LOCORE */
#endif /* !_MACHINE_FRAME_H_ */