54a64dc160
This provides stub implementations of arm64 Linux vdso and machdep, ptrace, and futex sufficient for executing an arm64 Linux 'hello world' binary. Reviewed by: andrew Sponsored by: Turing Robotic Industries Differential Revision: https://reviews.freebsd.org/D15832
57 lines
2.0 KiB
C
57 lines
2.0 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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*
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* Copyright (C) 2018 Turing Robotic Industries Inc.
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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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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/kernel.h>
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#include <sys/sdt.h>
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#include <sys/proc.h>
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#include <sys/ptrace.h>
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#include <arm64/linux/linux.h>
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#include <arm64/linux/linux_proto.h>
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#include <compat/linux/linux_dtrace.h>
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/* DTrace init */
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LIN_SDT_PROVIDER_DECLARE(LINUX_DTRACE);
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/* DTrace probes */
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LIN_SDT_PROBE_DEFINE0(ptrace, linux_ptrace, todo);
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int
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linux_ptrace(struct thread *td, struct linux_ptrace_args *uap)
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{
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/* LINUXTODO: implement arm64 linux_ptrace */
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LIN_SDT_PROBE0(ptrace, linux_ptrace, todo);
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return (EDOOFUS);
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}
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