f5a4347e1c
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
75 lines
2.2 KiB
C
75 lines
2.2 KiB
C
/*-
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* Copyright (c) 2014 Andrew Turner
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* Copyright (c) 2014 The FreeBSD Foundation
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* All rights reserved.
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*
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* This software was developed by Andrew Turner under
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* sponsorship from the FreeBSD Foundation.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _MACHINE_FRAME_H_
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#define _MACHINE_FRAME_H_
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#ifndef LOCORE
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#include <sys/signal.h>
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#include <sys/ucontext.h>
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/*
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* NOTE: keep this structure in sync with struct reg and struct mcontext.
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*/
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struct trapframe {
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uint64_t tf_sp;
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uint64_t tf_lr;
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uint64_t tf_elr;
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uint64_t tf_spsr;
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uint64_t tf_x[30];
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};
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struct arm64_frame {
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struct arm64_frame *f_frame;
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u_long f_retaddr;
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};
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/*
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* Signal frame, pushedonto the user stack
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*/
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struct sigframe {
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siginfo_t sf_si; /* actual saved siginfo */
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ucontext_t sf_uc; /* actual saved ucontext */
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};
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/*
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* There is no fixed frame layout, other than to be 16-byte aligned
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*/
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struct frame {
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int dummy;
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};
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#endif /* !LOCORE */
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#endif /* !_MACHINE_FRAME_H_ */
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