[apple/xnu.git] / osfmk / kdp / ml / i386 / kdp_vm.c

/*
 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
 * 
 * This file contains Original Code and/or Modifications of Original Code
 * as defined in and that are subject to the Apple Public Source License
 * Version 2.0 (the 'License'). You may not use this file except in
 * compliance with the License. The rights granted to you under the License
 * may not be used to create, or enable the creation or redistribution of,
 * unlawful or unlicensed copies of an Apple operating system, or to
 * circumvent, violate, or enable the circumvention or violation of, any
 * terms of an Apple operating system software license agreement.
 * 
 * Please obtain a copy of the License at
 * http://www.opensource.apple.com/apsl/ and read it before using this file.
 * 
 * The Original Code and all software distributed under the License are
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
 * Please see the License for the specific language governing rights and
 * limitations under the License.
 * 
 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
 */
#include <mach/mach_types.h>
#include <mach/vm_attributes.h>
#include <mach/vm_param.h>
#include <libsa/types.h>

#include <vm/vm_map.h>
#include <i386/pmap.h>

#include <kdp/kdp_core.h>
#include <kdp/kdp_internal.h>
#include <mach-o/loader.h>
#include <mach/vm_map.h>
#include <mach/vm_statistics.h>
#include <mach/thread_status.h>
#include <i386/thread.h>

#include <vm/vm_protos.h>
#include <vm/vm_kern.h>

int	kern_dump(void);
int	kdp_dump_trap(int type, x86_saved_state32_t *regs);

typedef struct {
	int	flavor;			/* the number for this flavor */
	mach_msg_type_number_t	count;	/* count of ints in this flavor */
} mythread_state_flavor_t;

static mythread_state_flavor_t thread_flavor_array [] = { 
	{x86_THREAD_STATE32, x86_THREAD_STATE32_COUNT}
};

static int kdp_mynum_flavors = 1;
static int MAX_TSTATE_FLAVORS = 1;

typedef struct {
	vm_offset_t header; 
	int  hoffset;
	mythread_state_flavor_t *flavors;
	int tstate_size;
} tir_t;

char command_buffer[512];

static void
kern_collectth_state(thread_t thread, tir_t *t)
{
	vm_offset_t	header;
	int  hoffset, i ;
	mythread_state_flavor_t *flavors;
	struct thread_command	*tc;
	/*
	 *	Fill in thread command structure.
	 */
	header = t->header;
	hoffset = t->hoffset;
	flavors = t->flavors;
	
	tc = (struct thread_command *) (header + hoffset);
	tc->cmd = LC_THREAD;
	tc->cmdsize = sizeof(struct thread_command) + t->tstate_size;
	hoffset += sizeof(struct thread_command);
	/*
	 * Follow with a struct thread_state_flavor and
	 * the appropriate thread state struct for each
	 * thread state flavor.
	 */
	for (i = 0; i < kdp_mynum_flavors; i++) {
		*(mythread_state_flavor_t *)(header+hoffset) =
		    flavors[i];
		hoffset += sizeof(mythread_state_flavor_t);
		/* Locate and obtain the non-volatile register context
		 * for this kernel thread. This should ideally be
		 * encapsulated in machine_thread_get_kern_state()
		 * but that routine appears to have been co-opted
		 * by CHUD to obtain pre-interrupt state.
		 */
		if (flavors[i].flavor == x86_THREAD_STATE32) {
			x86_thread_state32_t *tstate = (x86_thread_state32_t *) (header + hoffset);
			vm_offset_t kstack;
			bzero(tstate, x86_THREAD_STATE32_COUNT * sizeof(int));
			if ((kstack = thread->kernel_stack) != 0){
				struct x86_kernel_state *iks = STACK_IKS(kstack);
				tstate->ebx = iks->k_ebx;
				tstate->esp = iks->k_esp;
				tstate->ebp = iks->k_ebp;
				tstate->edi = iks->k_edi;
				tstate->esi = iks->k_esi;
				tstate->eip = iks->k_eip;
		}
		}
		else if (machine_thread_get_kern_state(thread,
			flavors[i].flavor, (thread_state_t) (header+hoffset),
			&flavors[i].count) != KERN_SUCCESS)
			printf ("Failure in machine_thread_get_kern_state()\n");
		hoffset += flavors[i].count*sizeof(int);
	}

	t->hoffset = hoffset;
}

/* Intended to be called from the kernel trap handler if an unrecoverable fault
 * occurs during a crashdump (which shouldn't happen since we validate mappings
 * and so on). This should be reworked to attempt some form of recovery.
 */
int
kdp_dump_trap(
	int type,
	__unused x86_saved_state32_t	*saved_state)
{
	printf ("An unexpected trap (type %d) occurred during the system dump, terminating.\n", type);
	kdp_send_crashdump_pkt (KDP_EOF, NULL, 0, ((void *) 0));
	abort_panic_transfer();
	kdp_flag &= ~KDP_PANIC_DUMP_ENABLED;
	kdp_flag &= ~PANIC_CORE_ON_NMI;
	kdp_flag &= ~PANIC_LOG_DUMP;

	kdp_reset();

	kdp_raise_exception(EXC_BAD_ACCESS, 0, 0, kdp.saved_state);
	return( 0 );
}

int
kern_dump(void)
{
	vm_map_t	map;
	unsigned int	thread_count, segment_count;
	unsigned int	command_size = 0, header_size = 0, tstate_size = 0;

	uint64_t        hoffset = 0, foffset = 0, nfoffset = 0, max_header_size;
	vm_offset_t     header, txstart;                                        
	vm_address_t    vmoffset;                                               

	struct mach_header	*mh;
	struct segment_command	*sc;
	vm_size_t	size;
	vm_prot_t	prot = 0;
	vm_prot_t	maxprot = 0;
	mythread_state_flavor_t flavors[MAX_TSTATE_FLAVORS];
	vm_size_t	nflavors;
	vm_size_t	i;
	uint32_t	nesting_depth = 0;
	kern_return_t	kret = 0;
	struct vm_region_submap_info_64	vbr;
	mach_msg_type_number_t	vbrcount  = 0;
	tir_t tir1;

	int error = 0;
	int panic_error = 0;

	map = kernel_map;

	thread_count = 1;
	segment_count = get_vmmap_entries(map); 
  
	printf("Kernel map has %d entries\n", segment_count);

	nflavors = kdp_mynum_flavors;
	bcopy((char *)thread_flavor_array,(char *) flavors,sizeof(thread_flavor_array));

	for (i = 0; i < nflavors; i++)
		tstate_size += sizeof(mythread_state_flavor_t) +
		    (flavors[i].count * sizeof(int));

	command_size = (segment_count) *
	    sizeof(struct segment_command) +
	    thread_count * sizeof(struct thread_command) +
	    tstate_size * thread_count;

	header_size = command_size + sizeof(struct mach_header);
	header = (vm_offset_t) command_buffer;
	
	/*
	 *	Set up Mach-O header for currently executing 32 bit kernel.
	 */
	printf ("Generated Mach-O header size was %d\n", header_size);

	mh = (struct mach_header *) header;
	mh->magic = MH_MAGIC;
	mh->cputype = cpu_type();
	mh->cpusubtype = cpu_subtype();
	mh->filetype = MH_CORE;
	mh->ncmds = segment_count + thread_count;
	mh->sizeofcmds = command_size;
	mh->flags = 0;

	hoffset = sizeof(struct mach_header);	/* offset into header */
	foffset = round_page_32(header_size);	/* offset into file */
	/* Padding */
	if ((foffset - header_size) < (4*sizeof(struct segment_command))) {
		foffset += ((4*sizeof(struct segment_command)) - (foffset-header_size)); 
	}

	max_header_size = foffset;

	vmoffset = VM_MIN_KERNEL_ADDRESS;		/* offset into VM */

	/* Transmit the Mach-O MH_CORE header, and seek forward past the 
	 * area reserved for the segment and thread commands 
	 * to begin data transmission 
	 */

	if ((panic_error = kdp_send_crashdump_pkt (KDP_SEEK, NULL, sizeof(nfoffset) , &nfoffset)) < 0) { 
		printf ("kdp_send_crashdump_pkt failed with error %d\n", panic_error);
		error = panic_error;
		goto out;
	} 

	if ((panic_error = kdp_send_crashdump_data (KDP_DATA, NULL, sizeof(struct mach_header), (caddr_t) mh) < 0)) {
		printf ("kdp_send_crashdump_data failed with error %d\n", panic_error);
		error = panic_error;
		goto out;
	}

	if ((panic_error = kdp_send_crashdump_pkt (KDP_SEEK, NULL, sizeof(foffset) , &foffset) < 0)) {
		printf ("kdp_send_crashdump_pkt failed with error %d\n", panic_error);
		error = panic_error;
		goto out;
	}
	printf ("Transmitting kernel state:\n");

	while ((segment_count > 0) || (kret == KERN_SUCCESS)) {
		while (1) {

			/*
			 *	Get region information for next region.
			 */

			vbrcount = VM_REGION_SUBMAP_INFO_COUNT_64;
			if((kret = vm_region_recurse_64(map, 
				    &vmoffset, &size, &nesting_depth, 
				    (vm_region_recurse_info_t)&vbr,
				    &vbrcount)) != KERN_SUCCESS) {
				break;
			}

			if(vbr.is_submap) {
				nesting_depth++;
				continue;
			} else {
				break;
			}
		}

		if(kret != KERN_SUCCESS)
			break;

		prot = vbr.protection;
		maxprot = vbr.max_protection;
		/*
		 *	Fill in segment command structure.
		 */
    
		if (hoffset > max_header_size)
			break;
		sc = (struct segment_command *) (header);
		sc->cmd = LC_SEGMENT;
		sc->cmdsize = sizeof(struct segment_command);
		sc->segname[0] = 0;
		sc->vmaddr = vmoffset;
		sc->vmsize = size;
		sc->fileoff = (uint32_t) foffset;                               
		sc->filesize = size;
		sc->maxprot = maxprot;
		sc->initprot = prot;
		sc->nsects = 0;

		if ((panic_error = kdp_send_crashdump_pkt (KDP_SEEK, NULL, sizeof(hoffset) , &hoffset)) < 0) { 
			printf ("kdp_send_crashdump_pkt failed with error %d\n", panic_error);
			error = panic_error;
			goto out;
		} 
    
		if ((panic_error = kdp_send_crashdump_data (KDP_DATA, NULL, sizeof(struct segment_command) , (caddr_t) sc)) < 0) {
			printf ("kdp_send_crashdump_data failed with error %d\n", panic_error);
			error = panic_error;
			goto out;
		}

		/* Do not transmit memory tagged VM_MEMORY_IOKIT - instead,
		 * seek past that region on the server - this creates a
		 * hole in the file.
		 */

		if ((vbr.user_tag != VM_MEMORY_IOKIT)) {
      
			if ((panic_error = kdp_send_crashdump_pkt (KDP_SEEK, NULL, sizeof(foffset) , &foffset)) < 0) {
				printf ("kdp_send_crashdump_pkt failed with error %d\n", panic_error);
				error = panic_error;
				goto out;
			}

			txstart = vmoffset;

			if ((panic_error = kdp_send_crashdump_data (KDP_DATA, NULL, size, (caddr_t) txstart)) < 0)	{
				printf ("kdp_send_crashdump_data failed with error %d\n", panic_error);
				error = panic_error;
				goto out;
			}
		}

		hoffset += sizeof(struct segment_command);
		foffset += size;
		vmoffset += size;
		segment_count--;
	}
	tir1.header = header;
	tir1.hoffset = 0;
	tir1.flavors = flavors;
	tir1.tstate_size = tstate_size;

	/* Now send out the LC_THREAD load command, with the thread information
	 * for the current activation.
	 * Note that the corefile can contain LC_SEGMENT commands with file
	 * offsets that point past the edge of the corefile, in the event that
	 * the last N VM regions were all I/O mapped or otherwise
	 * non-transferable memory,  not followed by a normal VM region;
	 * i.e. there will be no hole that reaches to the end of the core file.
	 */
	kern_collectth_state (current_thread(), &tir1);

	if ((panic_error = kdp_send_crashdump_pkt (KDP_SEEK, NULL, sizeof(hoffset) , &hoffset)) < 0) { 
		printf ("kdp_send_crashdump_pkt failed with error %d\n", panic_error);
		error = panic_error;
		goto out;
	}
  
	if ((panic_error = kdp_send_crashdump_data (KDP_DATA, NULL, tir1.hoffset , (caddr_t) header)) < 0) {
		printf ("kdp_send_crashdump_data failed with error %d\n", panic_error);
		error = panic_error;
		goto out;
	}
    
	/* last packet */
	if ((panic_error = kdp_send_crashdump_pkt (KDP_EOF, NULL, 0, ((void *) 0))) < 0) {
		printf ("kdp_send_crashdump_pkt failed with error %d\n", panic_error);
		error = panic_error;
		goto out;
	}
out:
	return (error);
}
Commit	Line	Data
1c79356b A	1	/*
	2	* Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
	3	*
2d21ac55	4	* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
1c79356b	5	*
2d21ac55 A	6	* This file contains Original Code and/or Modifications of Original Code
	7	* as defined in and that are subject to the Apple Public Source License
	8	* Version 2.0 (the 'License'). You may not use this file except in
	9	* compliance with the License. The rights granted to you under the License
	10	* may not be used to create, or enable the creation or redistribution of,
	11	* unlawful or unlicensed copies of an Apple operating system, or to
	12	* circumvent, violate, or enable the circumvention or violation of, any
	13	* terms of an Apple operating system software license agreement.
8f6c56a5	14	*
2d21ac55 A	15	* Please obtain a copy of the License at
	16	* http://www.opensource.apple.com/apsl/ and read it before using this file.
	17	*
	18	* The Original Code and all software distributed under the License are
	19	* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
8f6c56a5 A	20	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
8f6c56a5 A	21	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
2d21ac55 A	22	* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
	23	* Please see the License for the specific language governing rights and
	24	* limitations under the License.
8f6c56a5	25	*
2d21ac55	26	* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
1c79356b A	27	*/
	28	#include <mach/mach_types.h>
	29	#include <mach/vm_attributes.h>
	30	#include <mach/vm_param.h>
9bccf70c	31	#include <libsa/types.h>
0c530ab8 A	32
	33	#include <vm/vm_map.h>
	34	#include <i386/pmap.h>
	35
	36	#include <kdp/kdp_core.h>
	37	#include <kdp/kdp_internal.h>
	38	#include <mach-o/loader.h>
	39	#include <mach/vm_map.h>
	40	#include <mach/vm_statistics.h>
	41	#include <mach/thread_status.h>
	42	#include <i386/thread.h>
	43
	44	#include <vm/vm_protos.h>
	45	#include <vm/vm_kern.h>
	46
0c530ab8 A	47	int kern_dump(void);
	48	int kdp_dump_trap(int type, x86_saved_state32_t *regs);
	49
	50	typedef struct {
	51	int flavor; /* the number for this flavor */
	52	mach_msg_type_number_t count; /* count of ints in this flavor */
	53	} mythread_state_flavor_t;
	54
	55	static mythread_state_flavor_t thread_flavor_array [] = {
	56	{x86_THREAD_STATE32, x86_THREAD_STATE32_COUNT}
	57	};
	58
	59	static int kdp_mynum_flavors = 1;
	60	static int MAX_TSTATE_FLAVORS = 1;
	61
	62	typedef struct {
	63	vm_offset_t header;
	64	int hoffset;
	65	mythread_state_flavor_t *flavors;
	66	int tstate_size;
	67	} tir_t;
	68
	69	char command_buffer[512];
	70
0c530ab8 A	71	static void
0c530ab8 A	72	kern_collectth_state(thread_t thread, tir_t *t)
4452a7af	73	{
0c530ab8 A	74	vm_offset_t header;
	75	int hoffset, i ;
	76	mythread_state_flavor_t *flavors;
	77	struct thread_command *tc;
	78	/*
	79	* Fill in thread command structure.
	80	*/
	81	header = t->header;
	82	hoffset = t->hoffset;
	83	flavors = t->flavors;
	84
	85	tc = (struct thread_command *) (header + hoffset);
	86	tc->cmd = LC_THREAD;
	87	tc->cmdsize = sizeof(struct thread_command) + t->tstate_size;
	88	hoffset += sizeof(struct thread_command);
	89	/*
	90	* Follow with a struct thread_state_flavor and
	91	* the appropriate thread state struct for each
	92	* thread state flavor.
	93	*/
	94	for (i = 0; i < kdp_mynum_flavors; i++) {
	95	(mythread_state_flavor_t )(header+hoffset) =
	96	flavors[i];
	97	hoffset += sizeof(mythread_state_flavor_t);
	98	/* Locate and obtain the non-volatile register context
	99	* for this kernel thread. This should ideally be
	100	* encapsulated in machine_thread_get_kern_state()
	101	* but that routine appears to have been co-opted
	102	* by CHUD to obtain pre-interrupt state.
	103	*/
	104	if (flavors[i].flavor == x86_THREAD_STATE32) {
	105	x86_thread_state32_t tstate = (x86_thread_state32_t ) (header + hoffset);
	106	vm_offset_t kstack;
	107	bzero(tstate, x86_THREAD_STATE32_COUNT * sizeof(int));
	108	if ((kstack = thread->kernel_stack) != 0){
b0d623f7	109	struct x86_kernel_state *iks = STACK_IKS(kstack);
0c530ab8 A	110	tstate->ebx = iks->k_ebx;
	111	tstate->esp = iks->k_esp;
	112	tstate->ebp = iks->k_ebp;
	113	tstate->edi = iks->k_edi;
	114	tstate->esi = iks->k_esi;
	115	tstate->eip = iks->k_eip;
	116	}
	117	}
	118	else if (machine_thread_get_kern_state(thread,
	119	flavors[i].flavor, (thread_state_t) (header+hoffset),
	120	&flavors[i].count) != KERN_SUCCESS)
	121	printf ("Failure in machine_thread_get_kern_state()\n");
	122	hoffset += flavors[i].count*sizeof(int);
	123	}
	124
	125	t->hoffset = hoffset;
	126	}
	127
	128	/* Intended to be called from the kernel trap handler if an unrecoverable fault
	129	* occurs during a crashdump (which shouldn't happen since we validate mappings
	130	* and so on). This should be reworked to attempt some form of recovery.
	131	*/
	132	int
	133	kdp_dump_trap(
	134	int type,
	135	__unused x86_saved_state32_t *saved_state)
	136	{
	137	printf ("An unexpected trap (type %d) occurred during the system dump, terminating.\n", type);
	138	kdp_send_crashdump_pkt (KDP_EOF, NULL, 0, ((void *) 0));
	139	abort_panic_transfer();
	140	kdp_flag &= ~KDP_PANIC_DUMP_ENABLED;
	141	kdp_flag &= ~PANIC_CORE_ON_NMI;
	142	kdp_flag &= ~PANIC_LOG_DUMP;
	143
	144	kdp_reset();
	145
	146	kdp_raise_exception(EXC_BAD_ACCESS, 0, 0, kdp.saved_state);
	147	return( 0 );
	148	}
	149
	150	int
	151	kern_dump(void)
	152	{
	153	vm_map_t map;
	154	unsigned int thread_count, segment_count;
	155	unsigned int command_size = 0, header_size = 0, tstate_size = 0;
6d2010ae A	156
	157	uint64_t hoffset = 0, foffset = 0, nfoffset = 0, max_header_size;
	158	vm_offset_t header, txstart;
	159	vm_address_t vmoffset;
	160
0c530ab8 A	161	struct mach_header *mh;
	162	struct segment_command *sc;
	163	vm_size_t size;
	164	vm_prot_t prot = 0;
	165	vm_prot_t maxprot = 0;
0c530ab8 A	166	mythread_state_flavor_t flavors[MAX_TSTATE_FLAVORS];
	167	vm_size_t nflavors;
	168	vm_size_t i;
	169	uint32_t nesting_depth = 0;
	170	kern_return_t kret = 0;
	171	struct vm_region_submap_info_64 vbr;
	172	mach_msg_type_number_t vbrcount = 0;
	173	tir_t tir1;
	174
	175	int error = 0;
	176	int panic_error = 0;
0c530ab8 A	177
	178	map = kernel_map;
	179
0c530ab8 A	180	thread_count = 1;
	181	segment_count = get_vmmap_entries(map);
	182
	183	printf("Kernel map has %d entries\n", segment_count);
	184
	185	nflavors = kdp_mynum_flavors;
	186	bcopy((char )thread_flavor_array,(char ) flavors,sizeof(thread_flavor_array));
	187
	188	for (i = 0; i < nflavors; i++)
	189	tstate_size += sizeof(mythread_state_flavor_t) +
	190	(flavors[i].count * sizeof(int));
	191
6d2010ae	192	command_size = (segment_count) *
0c530ab8 A	193	sizeof(struct segment_command) +
	194	thread_count * sizeof(struct thread_command) +
	195	tstate_size * thread_count;
	196
	197	header_size = command_size + sizeof(struct mach_header);
	198	header = (vm_offset_t) command_buffer;
	199
	200	/*
	201	* Set up Mach-O header for currently executing 32 bit kernel.
	202	*/
	203	printf ("Generated Mach-O header size was %d\n", header_size);
	204
	205	mh = (struct mach_header *) header;
	206	mh->magic = MH_MAGIC;
	207	mh->cputype = cpu_type();
	208	mh->cpusubtype = cpu_subtype();
	209	mh->filetype = MH_CORE;
6d2010ae	210	mh->ncmds = segment_count + thread_count;
0c530ab8 A	211	mh->sizeofcmds = command_size;
	212	mh->flags = 0;
	213
	214	hoffset = sizeof(struct mach_header); /* offset into header */
	215	foffset = round_page_32(header_size); /* offset into file */
	216	/* Padding */
	217	if ((foffset - header_size) < (4*sizeof(struct segment_command))) {
	218	foffset += ((4*sizeof(struct segment_command)) - (foffset-header_size));
	219	}
	220
	221	max_header_size = foffset;
	222
6d2010ae	223	vmoffset = VM_MIN_KERNEL_ADDRESS; /* offset into VM */
0c530ab8 A	224
	225	/* Transmit the Mach-O MH_CORE header, and seek forward past the
	226	* area reserved for the segment and thread commands
	227	* to begin data transmission
	228	*/
	229
	230	if ((panic_error = kdp_send_crashdump_pkt (KDP_SEEK, NULL, sizeof(nfoffset) , &nfoffset)) < 0) {
	231	printf ("kdp_send_crashdump_pkt failed with error %d\n", panic_error);
	232	error = panic_error;
	233	goto out;
	234	}
	235
	236	if ((panic_error = kdp_send_crashdump_data (KDP_DATA, NULL, sizeof(struct mach_header), (caddr_t) mh) < 0)) {
	237	printf ("kdp_send_crashdump_data failed with error %d\n", panic_error);
	238	error = panic_error;
	239	goto out;
	240	}
	241
	242	if ((panic_error = kdp_send_crashdump_pkt (KDP_SEEK, NULL, sizeof(foffset) , &foffset) < 0)) {
	243	printf ("kdp_send_crashdump_pkt failed with error %d\n", panic_error);
	244	error = panic_error;
	245	goto out;
	246	}
6d2010ae	247	printf ("Transmitting kernel state:\n");
0c530ab8	248
6d2010ae A	249	while ((segment_count > 0) \|\| (kret == KERN_SUCCESS)) {
6d2010ae A	250	while (1) {
0c530ab8	251
6d2010ae A	252	/*
	253	* Get region information for next region.
	254	*/
	255
	256	vbrcount = VM_REGION_SUBMAP_INFO_COUNT_64;
	257	if((kret = vm_region_recurse_64(map,
	258	&vmoffset, &size, &nesting_depth,
	259	(vm_region_recurse_info_t)&vbr,
	260	&vbrcount)) != KERN_SUCCESS) {
0c530ab8	261	break;
6d2010ae A	262	}
	263
	264	if(vbr.is_submap) {
	265	nesting_depth++;
	266	continue;
	267	} else {
0c530ab8 A	268	break;
0c530ab8 A	269	}
0c530ab8	270	}
6d2010ae A	271
	272	if(kret != KERN_SUCCESS)
	273	break;
	274
	275	prot = vbr.protection;
	276	maxprot = vbr.max_protection;
0c530ab8 A	277	/*
	278	* Fill in segment command structure.
	279	*/
	280
	281	if (hoffset > max_header_size)
	282	break;
	283	sc = (struct segment_command *) (header);
	284	sc->cmd = LC_SEGMENT;
	285	sc->cmdsize = sizeof(struct segment_command);
	286	sc->segname[0] = 0;
	287	sc->vmaddr = vmoffset;
	288	sc->vmsize = size;
6d2010ae	289	sc->fileoff = (uint32_t) foffset;
0c530ab8 A	290	sc->filesize = size;
	291	sc->maxprot = maxprot;
	292	sc->initprot = prot;
	293	sc->nsects = 0;
	294
	295	if ((panic_error = kdp_send_crashdump_pkt (KDP_SEEK, NULL, sizeof(hoffset) , &hoffset)) < 0) {
	296	printf ("kdp_send_crashdump_pkt failed with error %d\n", panic_error);
	297	error = panic_error;
	298	goto out;
	299	}
	300
	301	if ((panic_error = kdp_send_crashdump_data (KDP_DATA, NULL, sizeof(struct segment_command) , (caddr_t) sc)) < 0) {
	302	printf ("kdp_send_crashdump_data failed with error %d\n", panic_error);
	303	error = panic_error;
	304	goto out;
	305	}
	306
	307	/* Do not transmit memory tagged VM_MEMORY_IOKIT - instead,
	308	* seek past that region on the server - this creates a
	309	* hole in the file.
	310	*/
	311
	312	if ((vbr.user_tag != VM_MEMORY_IOKIT)) {
	313
	314	if ((panic_error = kdp_send_crashdump_pkt (KDP_SEEK, NULL, sizeof(foffset) , &foffset)) < 0) {
	315	printf ("kdp_send_crashdump_pkt failed with error %d\n", panic_error);
	316	error = panic_error;
	317	goto out;
	318	}
	319
	320	txstart = vmoffset;
	321
	322	if ((panic_error = kdp_send_crashdump_data (KDP_DATA, NULL, size, (caddr_t) txstart)) < 0) {
	323	printf ("kdp_send_crashdump_data failed with error %d\n", panic_error);
	324	error = panic_error;
	325	goto out;
	326	}
	327	}
	328
	329	hoffset += sizeof(struct segment_command);
	330	foffset += size;
	331	vmoffset += size;
	332	segment_count--;
	333	}
	334	tir1.header = header;
	335	tir1.hoffset = 0;
	336	tir1.flavors = flavors;
	337	tir1.tstate_size = tstate_size;
	338
	339	/* Now send out the LC_THREAD load command, with the thread information
	340	* for the current activation.
	341	* Note that the corefile can contain LC_SEGMENT commands with file
	342	* offsets that point past the edge of the corefile, in the event that
	343	* the last N VM regions were all I/O mapped or otherwise
	344	* non-transferable memory, not followed by a normal VM region;
	345	* i.e. there will be no hole that reaches to the end of the core file.
	346	*/
	347	kern_collectth_state (current_thread(), &tir1);
	348
	349	if ((panic_error = kdp_send_crashdump_pkt (KDP_SEEK, NULL, sizeof(hoffset) , &hoffset)) < 0) {
	350	printf ("kdp_send_crashdump_pkt failed with error %d\n", panic_error);
	351	error = panic_error;
	352	goto out;
	353	}
354
355	if ((panic_error = kdp_send_crashdump_data (KDP_DATA, NULL, tir1.hoffset , (caddr_t) header)) < 0) {
356	printf ("kdp_send_crashdump_data failed with error %d\n", panic_error);
357	error = panic_error;
358	goto out;
359	}
360
361	/* last packet */
6d2010ae	362	if ((panic_error = kdp_send_crashdump_pkt (KDP_EOF, NULL, 0, ((void *) 0))) < 0) {
0c530ab8 A	363	printf ("kdp_send_crashdump_pkt failed with error %d\n", panic_error);
	364	error = panic_error;
	365	goto out;
	366	}
	367	out:
	368	return (error);
55e303ae	369	}