⬢ DragonFlyBSD Kernel Audit
DF-3017 / offsets2.c
← back to finding ↓ download raw 
 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
/* DF-3017 chain: kernel structure offsets (guest-side, _KERNEL_STRUCTURES) */
#define _KERNEL_STRUCTURES
#include <sys/types.h>
#include <sys/param.h>
#include <sys/sysref.h>
#include <sys/conf.h>
#include <sys/device.h>
#include <sys/devfs.h>
#include <sys/proc.h>
#include <sys/ucred.h>
#include <sys/uio.h>
#include <sys/globaldata.h>
#include <sys/slaballoc.h>
#include <sys/objcache.h>
#include <sys/mutex2.h>
#include <stddef.h>
#include <stdio.h>

int main(void) {
	printf("sizeof(struct cdev)        = %zu\n", sizeof(struct cdev));
	printf("  si_uminor=%zu si_name=%zu si_ops=%zu si_bops=%zu si_iosize_max=%zu si_sysref=%zu si_hlist=%zu\n",
	    offsetof(struct cdev, si_uminor), offsetof(struct cdev, si_name),
	    offsetof(struct cdev, si_ops), offsetof(struct cdev, si_bops),
	    offsetof(struct cdev, si_iosize_max), offsetof(struct cdev, si_sysref),
	    offsetof(struct cdev, si_hlist));
	printf("  sysref: refcnt=%zu flags=%zu size=%zu\n",
	    offsetof(struct sysref, refcnt), offsetof(struct sysref, flags),
	    sizeof(struct sysref));
	printf("sizeof(struct devfs_node)  = %zu (d_dev=%zu)\n",
	    sizeof(struct devfs_node), offsetof(struct devfs_node, d_dev));
	printf("sizeof(struct devfs_msg)   = %zu\n", sizeof(struct devfs_msg));

	printf("privatespace: sizeof=%zu\n", sizeof(struct privatespace));
	printf("globaldata: gd_slab=%zu gd_cpuid=%zu sizeof=%zu\n",
	    offsetof(struct globaldata, gd_slab),
	    offsetof(struct globaldata, gd_cpuid), sizeof(struct globaldata));

	printf("SLZone: sizeof=%zu z_Magic=%zu z_ZoneIndex=%zu z_NMax=%zu z_NFree=%zu\n",
	    sizeof(SLZone), offsetof(SLZone, z_Magic), offsetof(SLZone, z_ZoneIndex),
	    offsetof(SLZone, z_NMax), offsetof(SLZone, z_NFree));
	printf("  z_BasePtr=%zu z_UIndex=%zu z_Cpu=%zu z_CpuGd=%zu z_ChunkSize=%zu\n",
	    offsetof(SLZone, z_BasePtr), offsetof(SLZone, z_UIndex),
	    offsetof(SLZone, z_Cpu), offsetof(SLZone, z_CpuGd),
	    offsetof(SLZone, z_ChunkSize));
	printf("  z_Entry=%zu (tqe_next=%zu) z_LChunks=%zu z_RChunks=%zu z_RSignal=%zu z_RCount=%zu z_Flags=%zu\n",
	    offsetof(SLZone, z_Entry), offsetof(SLZone, z_Entry),
	    offsetof(SLZone, z_LChunks), offsetof(SLZone, z_RChunks),
	    offsetof(SLZone, z_RSignal), offsetof(SLZone, z_RCount),
	    offsetof(SLZone, z_Flags));
	printf("SLGlobalData: ZoneAry=%zu (NZONES=%d) FreeZones=%zu\n",
	    offsetof(SLGlobalData, ZoneAry), NZONES, offsetof(SLGlobalData, FreeZones));
	{ int i; unsigned long b,a; for (i=0;i<NZONES;i++){b=289;a=0;(void)a;} }
	printf("objcache: sizeof=%zu cache_percpu=%zu depot=%zu alloc=%zu ctor=%zu\n",
	    sizeof(struct objcache), offsetof(struct objcache, cache_percpu),
	    offsetof(struct objcache, depot), offsetof(struct objcache, alloc),
	    offsetof(struct objcache, ctor));
	printf("percpu_objcache: loaded=%zu previous=%zu sizeof=%zu\n",
	    offsetof(struct percpu_objcache, loaded_magazine),
	    offsetof(struct percpu_objcache, previous_magazine),
	    sizeof(struct percpu_objcache));
	printf("magazinedepot: fullmagazines=%zu emptymagazines=%zu magcapacity=%zu unallocated=%zu cluster_limit=%zu\n",
	    offsetof(struct magazinedepot, fullmagazines),
	    offsetof(struct magazinedepot, emptymagazines),
	    offsetof(struct magazinedepot, magcapacity),
	    offsetof(struct magazinedepot, unallocated_objects),
	    offsetof(struct magazinedepot, cluster_limit));
	printf("magazine: rounds=%zu capacity=%zu nextmagazine=%zu objects=%zu\n",
	    offsetof(struct magazine, rounds), offsetof(struct magazine, capacity),
	    offsetof(struct magazine, nextmagazine), offsetof(struct magazine, objects));
	printf("struct proc: p_pid=%zu p_ucred=%zu size=%zu\n",
	    offsetof(struct proc, p_pid), offsetof(struct proc, p_ucred), sizeof(struct proc));
	printf("struct ucred: cr_uid=%zu cr_ruid=%zu cr_svuid=%zu cr_ngroups=%zu cr_groups=%zu\n",
	    offsetof(struct ucred, cr_uid), offsetof(struct ucred, cr_ruid),
	    offsetof(struct ucred, cr_svuid), offsetof(struct ucred, cr_ngroups),
	    offsetof(struct ucred, cr_groups));
	printf("struct thread: td_proc=%zu td_lwp=%zu\n",
	    offsetof(struct thread, td_proc), offsetof(struct thread, td_lwp));
	printf("struct lwp: lwp_proc=%zu\n", offsetof(struct lwp, lwp_proc));
	return 0;
}