git: c47a4a237561 - main - arm: Remove unused items

From: Warner Losh <imp_at_FreeBSD.org>
Date: Wed, 03 Nov 2021 19:54:54 UTC
The branch main has been updated by imp:

URL: https://cgit.FreeBSD.org/src/commit/?id=c47a4a23756167e40c6a9d1dfd0bf64258620171

commit c47a4a23756167e40c6a9d1dfd0bf64258620171
Author:     Warner Losh <imp@FreeBSD.org>
AuthorDate: 2021-11-03 19:53:48 +0000
Commit:     Warner Losh <imp@FreeBSD.org>
CommitDate: 2021-11-03 19:54:36 +0000

    arm: Remove unused items
    
    Remote detritis copied, apparently, from sparc. utrap has never been
    used on arm, so it's safe to just remove it.
    
    Sponsored by:           Netflix
---
 sys/arm/include/proc.h  |  10 +----
 sys/arm/include/utrap.h | 112 ------------------------------------------------
 2 files changed, 1 insertion(+), 121 deletions(-)

diff --git a/sys/arm/include/proc.h b/sys/arm/include/proc.h
index 9566c264731e..641b42280045 100644
--- a/sys/arm/include/proc.h
+++ b/sys/arm/include/proc.h
@@ -40,13 +40,6 @@
 #ifndef	_MACHINE_PROC_H_
 #define	_MACHINE_PROC_H_
 
-#include <machine/utrap.h>
-
-struct md_utrap {
-	utrap_entry_t *ut_precise[UT_MAX];	/* must be first */
-	int	ut_refcnt;
-};
-
 struct mdthread {
 	int	md_spinlock_count;	/* (k) */
 	register_t md_saved_cspr;	/* (k) */
@@ -58,8 +51,7 @@ struct mdthread {
 };
 
 struct mdproc {
-	struct	md_utrap *md_utrap;
-	void	*md_sigtramp;
+	long	md_dummy;
 };
 
 #define	KINFO_PROC_SIZE 816
diff --git a/sys/arm/include/utrap.h b/sys/arm/include/utrap.h
deleted file mode 100644
index b261d87d566f..000000000000
--- a/sys/arm/include/utrap.h
+++ /dev/null
@@ -1,112 +0,0 @@
-/*-
- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
- *
- * Copyright (c) 2001 Jake Burkholder.
- * All rights reserved.
- *
- * 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_UTRAP_H_
-#define	_MACHINE_UTRAP_H_
-
-#define	UT_INSTRUCTION_EXCEPTION	1
-#define	UT_INSTRUCTION_ERROR		2
-#define	UT_INSTRUCTION_PROTECTION	3
-#define	UT_ILLTRAP_INSTRUCTION		4
-#define	UT_ILLEGAL_INSTRUCTION		5
-#define	UT_PRIVILEGED_OPCODE		6
-#define	UT_FP_DISABLED			7
-#define	UT_FP_EXCEPTION_IEEE_754	8
-#define	UT_FP_EXCEPTION_OTHER		9
-#define	UT_TAG_OFERFLOW			10
-#define	UT_DIVISION_BY_ZERO		11
-#define	UT_DATA_EXCEPTION		12
-#define	UT_DATA_ERROR			13
-#define	UT_DATA_PROTECTION		14
-#define	UT_MEM_ADDRESS_NOT_ALIGNED	15
-#define	UT_PRIVILEGED_ACTION		16
-#define	UT_ASYNC_DATA_ERROR		17
-#define	UT_TRAP_INSTRUCTION_16		18
-#define	UT_TRAP_INSTRUCTION_17		19
-#define	UT_TRAP_INSTRUCTION_18		20
-#define	UT_TRAP_INSTRUCTION_19		21
-#define	UT_TRAP_INSTRUCTION_20		22
-#define	UT_TRAP_INSTRUCTION_21		23
-#define	UT_TRAP_INSTRUCTION_22		24
-#define	UT_TRAP_INSTRUCTION_23		25
-#define	UT_TRAP_INSTRUCTION_24		26
-#define	UT_TRAP_INSTRUCTION_25		27
-#define	UT_TRAP_INSTRUCTION_26		28
-#define	UT_TRAP_INSTRUCTION_27		29
-#define	UT_TRAP_INSTRUCTION_28		30
-#define	UT_TRAP_INSTRUCTION_29		31
-#define	UT_TRAP_INSTRUCTION_30		32
-#define	UT_TRAP_INSTRUCTION_31		33
-#define	UT_INSTRUCTION_MISS		34
-#define	UT_DATA_MISS			35
-#define	UT_MAX				36
-
-#define	ST_SUNOS_SYSCALL		0
-#define	ST_BREAKPOINT			1
-#define	ST_DIVISION_BY_ZERO		2
-#define	ST_FLUSH_WINDOWS		3	/* XXX implement! */
-#define	ST_CLEAN_WINDOW			4
-#define	ST_RANGE_CHECK			5
-#define	ST_FIX_ALIGNMENT		6
-#define	ST_INTEGER_OVERFLOW		7
-/* 8 is 32-bit ABI syscall (old solaris syscall?) */
-#define	ST_BSD_SYSCALL			9
-#define	ST_FP_RESTORE			10
-/* 11-15 are available */
-/* 16 is linux 32 bit syscall (but supposed to be reserved, grr) */
-/* 17 is old linux 64 bit syscall (but supposed to be reserved, grr) */
-/* 16-31 are reserved for user applications (utraps) */
-#define	ST_GETCC			32	/* XXX implement! */
-#define	ST_SETCC			33	/* XXX implement! */
-#define	ST_GETPSR			34	/* XXX implement! */
-#define	ST_SETPSR			35	/* XXX implement! */
-/* 36-63 are available */
-#define	ST_SOLARIS_SYSCALL		64
-#define	ST_SYSCALL			65
-#define	ST_SYSCALL32			66
-/* 67 is reserved to OS source licensee */
-/* 68 is return from deferred trap (not supported) */
-/* 69-95 are reserved to SPARC international */
-/* 96-108 are available */
-/* 109 is linux 64 bit syscall */
-/* 110 is linux 64 bit getcontext (?) */
-/* 111 is linux 64 bit setcontext (?) */
-/* 112-255 are available */
-
-#define	UTH_NOCHANGE			(-1)
-
-#ifndef __ASM__
-
-typedef	int utrap_entry_t;
-typedef void *utrap_handler_t;
-
-#endif
-
-#endif