Differential D3319 Diff 7717 lib/libkvm/kvm_aarch64.c

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lib/libkvm/kvm_aarch64.c

	/*-			/*-
	* Copyright (c) 2014 The FreeBSD Foundation			* Copyright (C) 2006 Bruce M. Simpson.
				* Copyright (c) 2015 The FreeBSD Foundation
	* All rights reserved.			* All rights reserved.
	*			*
	* This software was developed by Andrew Turner under			* This software was developed by Andrew Turner under
	* sponsorship from the FreeBSD Foundation.			* sponsorship from the FreeBSD Foundation.
	*			*
	* Redistribution and use in source and binary forms, with or without			* Redistribution and use in source and binary forms, with or without
	* modification, are permitted provided that the following conditions			* modification, are permitted provided that the following conditions
	* are met:			* are met:
	Show All 11 Lines
	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS			* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)			* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT			* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY			* 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			* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	* SUCH DAMAGE.			* SUCH DAMAGE.
	*/			*/

				/*
				* arm64 (AArch64) machine dependent routines for kvm.
				*/

	#include <sys/cdefs.h>			#include <sys/cdefs.h>
	__FBSDID("$FreeBSD$");			__FBSDID("$FreeBSD$");

	#include <sys/param.h>			#include <sys/param.h>
				#include <sys/mman.h>

				#include <vm/vm.h>
				#include <vm/vm_param.h>
				#include <vm/pmap.h>

				#include <machine/pmap.h>

	#include <limits.h>			#include <limits.h>
	#include <kvm.h>			#include <kvm.h>
	#include <stdio.h>
	#include <stdlib.h>			#include <stdlib.h>
				#include <string.h>
				#include <unistd.h>

	#include "kvm_private.h"			#include "kvm_private.h"

				/* minidump must be the first item! */
				struct vmstate {
				int minidump; /* 1 = minidump mode */
				void *mmapbase;
				size_t mmapsize;
				};

	void			void
	_kvm_freevtop(kvm_t *kd)			_kvm_freevtop(kvm_t *kd)
	{			{

	printf("_kvm_freevtop\n");			if (kd->vmst != 0) {
	abort();			if (kd->vmst->minidump)
				return (_kvm_minidump_freevtop(kd));
				if (kd->vmst->mmapbase != NULL)
				munmap(kd->vmst->mmapbase, kd->vmst->mmapsize);
				free(kd->vmst);
				kd->vmst = NULL;
	}			}
				}

	int			int
	_kvm_initvtop(kvm_t *kd)			_kvm_initvtop(kvm_t *kd)
	{			{
				char minihdr[8];

	printf("_kvm_initvtop\n");			if (!kd->rawdump) {
	abort();			if (pread(kd->pmfd, &minihdr, 8, 0) == 8) {
				if (memcmp(&minihdr, "minidump", 8) == 0)
				return (_kvm_minidump_initvtop(kd));
				} else {
				_kvm_err(kd, kd->program, "cannot read header");
				return (-1);
	}			}
				}

				_kvm_err(kd, 0, "_kvm_initvtop: Unsupported image type");
				return (-1);
				}

	int			int
	_kvm_kvatop(kvm_t kd, u_long va, off_t pa)			_kvm_kvatop(kvm_t kd, u_long va, off_t pa)
	{			{

	printf("_kvm_kvatop\n");			if (kd->vmst->minidump)
	abort();			return _kvm_minidump_kvatop(kd, va, pa);


				_kvm_err(kd, 0, "_kvm_kvatop: Unsupported image type");
				return (0);
	}			}