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d5d97bed4a
In order to compile lib32 libraries and other 32-bit code on arm64,
<machine/foo.h> needs to be redirected to an arm header rather
than arm64 when building with -m32. Ifdef the arm64 headers that
are installed in /usr/include/machine and used by user-level software
(including references from /usr/include/*.h) so that if __arm__ is
defined when including the arm64 version, <arm/foo.h> is included
rather than using the rest of the file's contents. Some arm headers
had no arm64 equivalent; headers were added just to do the redirection.
These files use #error if __arm__ is not defined to guard against
confusion. Also add an include/arm Makefile, and modify Makefiles
as needed to install everything, including the arm files in
/usr/include/arm. fenv.h comes from lib/msun/arm/fenv.h.
The new arm64 headers are:
acle-compat.h
cpuinfo.h
sysreg.h
Reviewed by: jrtc27, imp
Differential Revision: https://reviews.freebsd.org/D40944
83 lines
2.7 KiB
C
83 lines
2.7 KiB
C
/*-
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* Copyright (c) 1991 Regents of the University of California.
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* All rights reserved.
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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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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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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* from: @(#)proc.h 7.1 (Berkeley) 5/15/91
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* from: FreeBSD: src/sys/i386/include/proc.h,v 1.11 2001/06/29
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* $FreeBSD$
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*/
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#ifdef __arm__
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#include <arm/proc.h>
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#else /* !__arm__ */
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#ifndef _MACHINE_PROC_H_
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#define _MACHINE_PROC_H_
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struct ptrauth_key {
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uint64_t pa_key_lo;
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uint64_t pa_key_hi;
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};
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struct mdthread {
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int md_spinlock_count; /* (k) */
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register_t md_saved_daif; /* (k) */
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uintptr_t md_canary;
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/*
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* The pointer authentication keys. These are shared within a process,
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* however this may change for some keys as the PAuth ABI Extension to
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* ELF for the Arm 64-bit Architecture [1] is currently (July 2021) at
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* an Alpha release quality so may change.
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*
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* [1] https://github.com/ARM-software/abi-aa/blob/main/pauthabielf64/pauthabielf64.rst
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*/
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struct {
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struct ptrauth_key apia;
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struct ptrauth_key apib;
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struct ptrauth_key apda;
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struct ptrauth_key apdb;
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struct ptrauth_key apga;
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} md_ptrauth_user;
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struct {
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struct ptrauth_key apia;
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} md_ptrauth_kern;
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uint64_t md_reserved[4];
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};
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struct mdproc {
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long md_dummy;
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};
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#define KINFO_PROC_SIZE 1088
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#define KINFO_PROC32_SIZE 816
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#endif /* !_MACHINE_PROC_H_ */
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#endif /* !__arm__ */
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