system.c

linux进程跟踪的工具和源代码

	{ SGI_PIDSINASH,	"SGI_PIDSINASH"		},
#endif
#ifdef SGI_ULI			
	{ SGI_ULI,		"SGI_ULI"		},
#endif
#ifdef SGI_LPG_SHMGET          
	{ SGI_LPG_SHMGET,	"SGI_LPG_SHMGET"	},
#endif
#ifdef SGI_LPG_MAP             
	{ SGI_LPG_MAP,		"SGI_LPG_MAP"		},
#endif
#ifdef SGI_CACHEFS_SYS		
	{ SGI_CACHEFS_SYS,	"SGI_CACHEFS_SYS"	},
#endif
#ifdef SGI_NFSNOTIFY		
	{ SGI_NFSNOTIFY,	"SGI_NFSNOTIFY"		},
#endif
#ifdef SGI_LOCKDSYS		
	{ SGI_LOCKDSYS,		"SGI_LOCKDSYS"		},
#endif
#ifdef SGI_EVENTCTR            
	{ SGI_EVENTCTR,		"SGI_EVENTCTR"		},
#endif
#ifdef SGI_GETPRUSAGE          
	{ SGI_GETPRUSAGE,	"SGI_GETPRUSAGE"	},
#endif
#ifdef SGI_PROCMASK_LOCATION	
	{ SGI_PROCMASK_LOCATION,"SGI_PROCMASK_LOCATION"	},
#endif
#ifdef SGI_UNUSED		
	{ SGI_UNUSED,		"SGI_UNUSED"		},
#endif
#ifdef SGI_CKPT_SYS		
	{ SGI_CKPT_SYS,		"SGI_CKPT_SYS"		},
#endif
#ifdef SGI_CKPT_SYS		
	{ SGI_CKPT_SYS,		"SGI_CKPT_SYS"		},
#endif
#ifdef SGI_GETGRPPID		
	{ SGI_GETGRPPID,	"SGI_GETGRPPID"		},
#endif
#ifdef SGI_GETSESPID		
	{ SGI_GETSESPID,	"SGI_GETSESPID"		},
#endif
#ifdef SGI_ENUMASHS		
	{ SGI_ENUMASHS,		"SGI_ENUMASHS"		},
#endif
#ifdef SGI_SETASMACHID		
	{ SGI_SETASMACHID,	"SGI_SETASMACHID"	},
#endif
#ifdef SGI_GETASMACHID		
	{ SGI_GETASMACHID,	"SGI_GETASMACHID"	},
#endif
#ifdef SGI_GETARSESS		
	{ SGI_GETARSESS,	"SGI_GETARSESS"		},
#endif
#ifdef SGI_JOINARRAYSESS	
	{ SGI_JOINARRAYSESS,	"SGI_JOINARRAYSESS"	},
#endif
#ifdef SGI_SPROC_KILL		
	{ SGI_SPROC_KILL,	"SGI_SPROC_KILL"	},
#endif
#ifdef SGI_DBA_CONFIG		
	{ SGI_DBA_CONFIG,	"SGI_DBA_CONFIG"	},
#endif
#ifdef SGI_RELEASE_NAME	
	{ SGI_RELEASE_NAME,	"SGI_RELEASE_NAME"	},
#endif
#ifdef SGI_SYNCH_CACHE_HANDLER 
	{ SGI_SYNCH_CACHE_HANDLER,"SGI_SYNCH_CACHE_HANDLER"},
#endif
#ifdef SGI_SWASH_INIT		
	{ SGI_SWASH_INIT,	"SGI_SWASH_INIT"	},
#endif
#ifdef SGI_NUMA_MIGR_PAGE	
	{ SGI_NUMA_MIGR_PAGE,	"SGI_NUMA_MIGR_PAGE"	},
#endif
#ifdef SGI_NUMA_MIGR_PAGE_ALT	
	{ SGI_NUMA_MIGR_PAGE_ALT,"SGI_NUMA_MIGR_PAGE_ALT"},
#endif
#ifdef SGI_KAIO_USERINIT	
	{ SGI_KAIO_USERINIT,	"SGI_KAIO_USERINIT"	},
#endif
#ifdef SGI_KAIO_READ		
	{ SGI_KAIO_READ,	"SGI_KAIO_READ"		},
#endif
#ifdef SGI_KAIO_WRITE		
	{ SGI_KAIO_WRITE,	"SGI_KAIO_WRITE"	},
#endif
#ifdef SGI_KAIO_SUSPEND	
	{ SGI_KAIO_SUSPEND,	"SGI_KAIO_SUSPEND"	},
#endif
#ifdef SGI_KAIO_STATS		
	{ SGI_KAIO_STATS,	"SGI_KAIO_STATS"	},
#endif
#ifdef SGI_INITIAL_PT_SPROC	
	{ SGI_INITIAL_PT_SPROC,	"SGI_INITIAL_PT_SPROC"	},
#endif
	{ 0,			NULL			},
};

int
sys_syssgi(tcp)
struct tcb *tcp;
{
	int i;

	if (entering(tcp)) {
		printxval(syssgi_options, tcp->u_arg[0], "SGI_???");
		switch (tcp->u_arg[0]) {
		default:
			for (i = 1; i < tcp->u_nargs; i++)
				tprintf(", %#lx", tcp->u_arg[i]);
			break;
		}
	}
	return 0;
}

#include <sys/types.h>
#include <rpc/rpc.h>
struct cred;
struct uio;
#include <sys/fsid.h>
#include <sys/vnode.h>
#include <sys/fs/nfs.h>
#include <sys/fs/nfs_clnt.h>

static struct xlat mount_flags[] = {
	{ MS_RDONLY,	"MS_RDONLY"	},
	{ MS_FSS,	"MS_FSS"	},
	{ MS_DATA,	"MS_DATA"	},
	{ MS_NOSUID,	"MS_NOSUID"	},
	{ MS_REMOUNT,	"MS_REMOUNT"	},
	{ MS_NOTRUNC,	"MS_NOTRUNC"	},
	{ MS_GRPID,	"MS_GRPID"	},
	{ MS_NODEV,	"MS_NODEV"	},
	{ MS_BEFORE,	"MS_BEFORE"	},
	{ MS_AFTER,	"MS_AFTER"	},
	{ 0,		NULL		},
};

static struct xlat nfs_flags[] = {
	{ NFSMNT_SOFT,		"NFSMNT_SOFT"		},
	{ NFSMNT_WSIZE,		"NFSMNT_WSIZE"		},
	{ NFSMNT_RSIZE,		"NFSMNT_RSIZE"		},
	{ NFSMNT_TIMEO,		"NFSMNT_TIMEO"		},
	{ NFSMNT_RETRANS,	"NFSMNT_RETRANS"	},
	{ NFSMNT_HOSTNAME,	"NFSMNT_HOSTNAME"	},
#ifdef NFSMNT_NOINT	/* IRIX 6 */
	{ NFSMNT_NOINT,		"NFSMNT_NOINT"		},
#endif
#ifdef NFSMNT_INT	/* IRIX 5 */
	{ NFSMNT_INT,		"NFSMNT_INT"		},
#endif
	{ NFSMNT_NOAC,		"NFSMNT_NOAC"		},
	{ NFSMNT_ACREGMIN,	"NFSMNT_ACREGMIN"	},
	{ NFSMNT_ACREGMAX,	"NFSMNT_ACREGMAX"	},
	{ NFSMNT_ACDIRMIN,	"NFSMNT_ACDIRMIN"	},
	{ NFSMNT_ACDIRMAX,	"NFSMNT_ACDIRMAX"	},
	{ NFSMNT_PRIVATE,	"NFSMNT_PRIVATE"	},
	{ NFSMNT_SYMTTL,	"NFSMNT_SYMTTL"		},
	{ NFSMNT_LOOPBACK,	"NFSMNT_LOOPBACK"	},
	{ NFSMNT_BASETYPE,	"NFSMNT_BASETYPE"	},
	{ NFSMNT_NAMEMAX,	"NFSMNT_NAMEMAX"	},
#ifdef NFSMNT_SHORTUID	/* IRIX 6 */
	{ NFSMNT_SHORTUID,	"NFSMNT_SHORTUID"	},
#endif
#ifdef NFSMNT_ASYNCNLM	/* IRIX 6 */
	{ NFSMNT_ASYNCNLM,	"NFSMNT_ASYNCNLM"	},
#endif
	{ 0,			NULL			},
};

int
sys_mount(tcp)
struct tcb *tcp;
{
	if (entering(tcp)) {
		printpath(tcp, tcp->u_arg[0]);
		tprintf(", ");
		printpath(tcp, tcp->u_arg[1]);
		tprintf(", ");
		printflags(mount_flags, tcp->u_arg[2]);
		if (tcp->u_arg[2] & (MS_FSS | MS_DATA)) {
			tprintf(", ");
			tprintf("%ld", tcp->u_arg[3]);
		}
		if (tcp->u_arg[2] & MS_DATA) {
			int nfs_type = sysfs(GETFSIND, FSID_NFS);

			tprintf(", ");
			if (tcp->u_arg[3] == nfs_type) {
				struct nfs_args args;
				if (umove(tcp, tcp->u_arg[4], &args) < 0)
					tprintf("%#lx", tcp->u_arg[4]);
				else {
					tprintf("addr=");
					printsock(tcp, (int) args.addr);
					tprintf(", flags=");
					if (!printflags(nfs_flags, args.flags))
						tprintf("NFSMNT_???");
					tprintf(", hostname=");
					printstr(tcp, (int) args.hostname, -1);
					tprintf(", ...}");
				}
			}
			else
				tprintf("%#lx", tcp->u_arg[4]);
			tprintf(", %ld", tcp->u_arg[5]);
		}
	}
	return 0;
}

#else /* !MIPS */

#if UNIXWARE

#include <sys/types.h>
#include <sys/fstyp.h>
#include <sys/mount.h>
#include <sys/xti.h>

#define NFSCLIENT	1
#include <nfs/mount.h>

#include <sys/fs/vx_ioctl.h>

static struct xlat mount_flags[] = {
	{ MS_RDONLY,	"MS_RDONLY"	},
	{ MS_FSS,	"MS_FSS"	},
	{ MS_DATA,	"MS_DATA"	},
	{ MS_HADBAD,	"MS_HADBAD"	},
	{ MS_NOSUID,	"MS_NOSUID"	},
	{ MS_REMOUNT,	"MS_REMOUNT"	},
	{ MS_NOTRUNC,	"MS_NOTRUNC"	},
	{ MS_SOFTMNT,	"MS_SOFTMNT"	},
	{ MS_SYSSPACE,	"MS_SYSSPACE"	},
	{ 0,		NULL		},
};

#ifdef VX_MS_MASK
static struct xlat vxfs_flags[] = {
	{ VX_MS_NOLOG,		"VX_MS_NOLOG"		},
	{ VX_MS_BLKCLEAR,	"VX_MS_BLKCLEAR"	},
	{ VX_MS_SNAPSHOT,	"VX_MS_SNAPSHOT"	},
	{ VX_MS_NODATAINLOG,	"VX_MS_NODATAINLOG"	},
	{ VX_MS_DELAYLOG,	"VX_MS_DELAYLOG"	},
	{ VX_MS_TMPLOG,		"VX_MS_TMPLOG"		},
	{ VX_MS_FILESET,	"VX_MS_FILESET"		},

	{ VX_MS_CACHE_DIRECT,	"VX_MS_CACHE_DIRECT"	},
	{ VX_MS_CACHE_DSYNC,	"VX_MS_CACHE_DSYNC"	},
	{ VX_MS_CACHE_CLOSESYNC,"VX_MS_CACHE_CLOSESYNC"	},
	{ VX_MS_CACHE_TMPCACHE,	"VX_MS_CACHE_TMPCACHE"	},

	{ VX_MS_OSYNC_DIRECT,	"VX_MS_OSYNC_DIRECT"	},
	{ VX_MS_OSYNC_DSYNC,	"VX_MS_OSYNC_DSYNC"	},
	{ VX_MS_OSYNC_CLOSESYNC,"VX_MS_OSYNC_CLOSESYNC"	},
	{ VX_MS_OSYNC_DELAY,	"VX_MS_OSYNC_DELAY"	},
	{ 0,			NULL,			},
};
#endif

static struct xlat nfs_flags[] = {
	{ NFSMNT_SOFT,		"NFSMNT_SOFT"		},
	{ NFSMNT_WSIZE,		"NFSMNT_WSIZE"		},
	{ NFSMNT_RSIZE,		"NFSMNT_RSIZE"		},
	{ NFSMNT_TIMEO,		"NFSMNT_TIMEO"		},
	{ NFSMNT_RETRANS,	"NFSMNT_RETRANS"	},
	{ NFSMNT_HOSTNAME,	"NFSMNT_HOSTNAME"	},
	{ NFSMNT_INT,		"NFSMNT_INT"		},
	{ NFSMNT_NOAC,		"NFSMNT_NOAC"		},
	{ NFSMNT_ACREGMIN,	"NFSMNT_ACREGMIN"	},
	{ NFSMNT_ACREGMAX,	"NFSMNT_ACREGMAX"	},
	{ NFSMNT_ACDIRMIN,	"NFSMNT_ACDIRMIN"	},
	{ NFSMNT_ACDIRMAX,	"NFSMNT_ACDIRMAX"	},
	{ NFSMNT_SECURE,	"NFSMNT_SECURE"		},
	{ NFSMNT_NOCTO,		"NFSMNT_NOCTO"		},
	{ NFSMNT_GRPID,		"NFSMNT_GRPID"		},
	{ NFSMNT_RPCTIMESYNC,	"NFSMNT_RPCTIMESYNC"	},
	{ NFSMNT_LWPSMAX,	"NFSMNT_LWPSMAX"	},
	{ 0,			NULL			},
};

int
sys_mount(tcp)
struct tcb *tcp;
{
	if (entering(tcp)) {
		char fstyp [FSTYPSZ];
		printpath(tcp, tcp->u_arg[0]);
		tprintf(", ");
		printpath(tcp, tcp->u_arg[1]);
		tprintf(", ");
		printflags(mount_flags, tcp->u_arg[2]);
		/* The doc sez that the file system type is given as a
		   fsindex, and we should use sysfs to work out the name.
		   This appears to be untrue for UW.  Maybe it's untrue
		   for all SVR4's? */
		if (tcp->u_arg[2] & (MS_FSS | MS_DATA)) {
			if (umovestr(tcp, tcp->u_arg[3], FSTYPSZ, fstyp) < 0) {
				*fstyp = 0;
				tprintf(", %ld", tcp->u_arg[3]);
			}
			else
				tprintf(", \"%s\"", fstyp);
		}
		if (tcp->u_arg[2] & MS_DATA) {
			tprintf(", ");
#ifdef VX_MS_MASK
			/* On UW7 they don't give us the defines and structs
			   we need to see what is going on.  Bummer. */
			if (strcmp (fstyp, "vxfs") == 0) {
				struct vx_mountargs5 args;
				if (umove(tcp, tcp->u_arg[4], &args) < 0)
					tprintf("%#lx", tcp->u_arg[4]);
				else {
					tprintf("{ flags=");
					if (!printflags(vxfs_flags, args.mflags))
						tprintf("0x%08x", args.mflags);
					if (args.mflags & VX_MS_SNAPSHOT) {
						tprintf (", snapof=");
						printstr (tcp,
							  (long) args.primaryspec, 
							  -1);
						if (args.snapsize > 0)
							tprintf (", snapsize=%ld", args.snapsize);
					}
					tprintf(" }");
				}
			}
			else
#endif
			if (strcmp (fstyp, "specfs") == 0) {
				tprintf ("dev=");
				printstr (tcp, tcp->u_arg[4], -1);
			}
			else
			if (strcmp (fstyp, "nfs") == 0) {
				struct nfs_args args;
				if (umove(tcp, tcp->u_arg[4], &args) < 0)
					tprintf("%#lx", tcp->u_arg[4]);
				else {
					struct netbuf addr;
					tprintf("{ addr=");
					if (umove (tcp, (int) args.addr, &addr) < 0) {
						tprintf ("%#lx", (long) args.addr);
					}
					else {
						printsock(tcp, (int) addr.buf, addr.len);
					}
					tprintf(", flags=");
					if (!printflags(nfs_flags, args.flags))
						tprintf("NFSMNT_???");
					tprintf(", hostname=");
					printstr(tcp, (int) args.hostname, -1);
					tprintf(", ...}");
				}
			}
			else
				tprintf("%#lx", tcp->u_arg[4]);
			tprintf(", %ld", tcp->u_arg[5]);
		}
	}
	return 0;
}

#else /* !UNIXWARE */

int
sys_mount(tcp)
struct tcb *tcp;
{
	if (entering(tcp)) {
		printpath(tcp, tcp->u_arg[0]);
		tprintf(", ");
		printpath(tcp, tcp->u_arg[1]);
		tprintf(", ...");
	}
	return 0;
}
#endif /* !UNIXWARE */

#endif /* !MIPS */

#endif /* SVR4 */

#ifdef SYS_capget

static struct xlat capabilities[] = {
	{ 1<<CAP_CHOWN,		"CAP_CHOWN"	},
	{ 1<<CAP_DAC_OVERRIDE,	"CAP_DAC_OVERRIDE"},
	{ 1<<CAP_DAC_READ_SEARCH,"CAP_DAC_READ_SEARCH"},
	{ 1<<CAP_FOWNER,	"CAP_FOWNER"	},
	{ 1<<CAP_FSETID,	"CAP_FSETID"	},
	{ 1<<CAP_KILL,		"CAP_KILL"	},
	{ 1<<CAP_SETGID,	"CAP_SETGID"	},
	{ 1<<CAP_SETUID,	"CAP_SETUID"	},
	{ 1<<CAP_SETPCAP,	"CAP_SETPCAP"	},
	{ 1<<CAP_LINUX_IMMUTABLE,"CAP_LINUX_IMMUTABLE"},
	{ 1<<CAP_NET_BIND_SERVICE,"CAP_NET_BIND_SERVICE"},
	{ 1<<CAP_NET_BROADCAST,	"CAP_NET_BROADCAST"},
	{ 1<<CAP_NET_ADMIN,	"CAP_NET_ADMIN"	},
	{ 1<<CAP_NET_RAW,	"CAP_NET_RAW"	},
	{ 1<<CAP_IPC_LOCK,	"CAP_IPC_LOCK"	},
	{ 1<<CAP_IPC_OWNER,	"CAP_IPC_OWNER"	},
	{ 1<<CAP_SYS_MODULE,	"CAP_SYS_MODULE"},
	{ 1<<CAP_SYS_RAWIO,	"CAP_SYS_RAWIO"	},
	{ 1<<CAP_SYS_CHROOT,	"CAP_SYS_CHROOT"},
	{ 1<<CAP_SYS_PTRACE,	"CAP_SYS_PTRACE"},
	{ 1<<CAP_SYS_PACCT,	"CAP_SYS_PACCT"	},
	{ 1<<CAP_SYS_ADMIN,	"CAP_SYS_ADMIN"	},
	{ 1<<CAP_SYS_BOOT,	"CAP_SYS_BOOT"	},
	{ 1<<CAP_SYS_NICE,	"CAP_SYS_NICE"	},
	{ 1<<CAP_SYS_RESOURCE,	"CAP_SYS_RESOURCE"},
	{ 1<<CAP_SYS_TIME,	"CAP_SYS_TIME"	},
	{ 1<<CAP_SYS_TTY_CONFIG,"CAP_SYS_TTY_CONFIG"},
	{ 0,                    NULL            },
};


int
sys_capget(tcp)
struct tcb *tcp;
{
	static cap_user_header_t       arg0 = NULL;
	static cap_user_data_t         arg1 = NULL;

	if(!entering(tcp)) {
		if (!arg0) {
			if ((arg0 = malloc(sizeof(*arg0))) == NULL) {
				fprintf(stderr, "sys_capget: no memory\n");
				tprintf("%#lx, %#lx", tcp->u_arg[0], tcp->u_arg[1]);
				return -1;
			}
		}
		if (!arg1) {
			if ((arg1 = malloc(sizeof(*arg1))) == NULL) {
				fprintf(stderr, "sys_capget: no memory\n");
				tprintf("%#lx, %#lx", tcp->u_arg[0], tcp->u_arg[1]);
				return -1;
			}
		}

		if (!tcp->u_arg[0])
			tprintf("NULL");
		else if (!verbose(tcp))
			tprintf("%#lx", tcp->u_arg[0]);
		else if (umoven(tcp, tcp->u_arg[0], sizeof(*arg0), (char *) arg0) < 0)
			tprintf("???");
		else {
			tprintf("%#x, %d", arg0->version, arg0->pid);
		}
		tprintf(", ");
		if (!tcp->u_arg[1])
			tprintf("NULL");
		else if (!verbose(tcp))
			tprintf("%#lx", tcp->u_arg[1]);
		else if (umoven(tcp, tcp->u_arg[1], sizeof(*arg1), (char *) arg1) < 0)
			tprintf("???");
		else {
			tprintf("{");
			printflags(capabilities, arg1->effective);
			tprintf(", ");
			printflags(capabilities, arg1->permitted);
			tprintf(", ");
			printflags(capabilities, arg1->inheritable);
			tprintf("}");
		} 
	}
	return 0;
}

int
sys_capset(tcp)
struct tcb *tcp;
{
	static cap_user_header_t       arg0 = NULL;
	static cap_user_data_t         arg1 = NULL;

	if(entering(tcp)) {
		if (!arg0) {
			if ((arg0 = malloc(sizeof(*arg0))) == NULL) {
				fprintf(stderr, "sys_capset: no memory\n");
				tprintf("%#lx, %#lx", tcp->u_arg[0], tcp->u_arg[1]);
				return -1;
			}
		}
		if (!arg1) {
			if ((arg1 = malloc(sizeof(*arg1))) == NULL) {
				fprintf(stderr, "sys_capset: no memory\n");
				tprintf("%#lx, %#lx", tcp->u_arg[0], tcp->u_arg[1]);
				return -1;
			}
		}

		if (!tcp->u_arg[0])
			tprintf("NULL");
		else if (!verbose(tcp))
			tprintf("%#lx", tcp->u_arg[0]);
		else if (umoven(tcp, tcp->u_arg[0], sizeof(*arg0), (char *) arg0) < 0)
			tprintf("???");
		else {
			tprintf("%#x, %d", arg0->version, arg0->pid);
		}
		tprintf(", ");
		if (!tcp->u_arg[1])
			tprintf("NULL");
		else if (!verbose(tcp))