debug.c

<B>Digital的Unix操作系统VAX 4.2源码</B>

#ifndef lint
static	char	*sccsid = "@(#)debug.c	4.2	(ULTRIX)	11/9/90";
#endif lint

/* ------------------------------------------------------------------ */
/* | Copyright Unpublished, MIPS Computer Systems, Inc.  All Rights | */
/* | Reserved.  This software contains proprietary and confidential | */
/* | information of MIPS and its suppliers.  Use, disclosure or     | */
/* | reproduction is prohibited without the prior express written   | */
/* | consent of MIPS.                                               | */
/* ------------------------------------------------------------------ */

#include "../machine/reg.h"
#include "../machine/pte.h"
#include "../machine/cpu.h"

#include "../h/param.h"
#include "../h/systm.h"
#include "../h/dir.h"
#include "../h/user.h"
#include "../h/kernel.h"
#include "../h/map.h"
#include "../h/vm.h"
#include "../h/proc.h"
#include "../h/buf.h"
#include "../h/reboot.h"
#include "../h/conf.h"
#include "../h/file.h"
#include "../h/text.h"
#include "../h/clist.h"
#include "../h/callout.h"
#include "../h/cmap.h"
#include "../h/mbuf.h"
#include "../h/quota.h"
#include "../h/syscall.h"

/*
 * 13-Oct-89  -- gmm
 *	SMP changes - removed nofault
 */
/*
 * ????
 * ADD DESCRIPTIONS FOR CMAPS
 */

struct reg_values pstat_values[] = {
	{ SSLEEP,		"SLEEP" },
	{ SWAIT,		"WAIT" },
	{ SRUN,			"RUN" },
	{ SIDL,			"IDL" },
	{ SZOMB,		"ZOMB" },
	{ SSTOP,		"STOP" },
	{ 0,			0 }
};

struct reg_values sig_values[] = {
	{ SIGHUP,		"SIGHUP" },
	{ SIGINT,		"SIGINT" },
	{ SIGQUIT,		"SIGQUIT" },
	{ SIGILL,		"SIGILL" },
	{ SIGTRAP,		"SIGTRAP" },
	{ SIGIOT,		"SIGIOT" },
	{ SIGEMT,		"SIGEMT" },
	{ SIGFPE,		"SIGFPE" },
	{ SIGKILL,		"SIGKILL" },
	{ SIGBUS,		"SIGBUS" },
	{ SIGSEGV,		"SIGSEGV" },
	{ SIGSYS,		"SIGSYS" },
	{ SIGPIPE,		"SIGPIPE" },
	{ SIGALRM,		"SIGALRM" },
	{ SIGTERM,		"SIGTERM" },
	{ SIGURG,		"SIGURG" },
	{ SIGSTOP,		"SIGSTOP" },
	{ SIGTSTP,		"SIGTSTP" },
	{ SIGCONT,		"SIGCONT" },
	{ SIGCHLD,		"SIGCHLD" },
	{ SIGTTIN,		"SIGTTIN" },
	{ SIGTTOU,		"SIGTTOU" },
	{ SIGIO,		"SIGIO" },
	{ SIGXCPU,		"SIGXCPU" },
	{ SIGXFSZ,		"SIGXFSZ" },
	{ SIGVTALRM,		"SIGVTALRM" },
	{ SIGPROF,		"SIGPROF" },
	{ 0,			0 },
};

struct reg_values imask_values[] = {
	{ SR_IMASK8,	"8" },
	{ SR_IMASK7,	"7" },
	{ SR_IMASK6,	"6" },
	{ SR_IMASK5,	"5" },
	{ SR_IMASK4,	"4" },
	{ SR_IMASK3,	"3" },
	{ SR_IMASK2,	"2" },
	{ SR_IMASK1,	"1" },
	{ SR_IMASK0,	"0" },
	{ 0,		NULL },
};

struct reg_desc sr_desc[] = {
	/* mask	     shift      name   format  values */
	{ SR_CU3,	0,	"CU3",	NULL,	NULL },
	{ SR_CU2,	0,	"CU2",	NULL,	NULL },
	{ SR_CU1,	0,	"CU1",	NULL,	NULL },
	{ SR_CU0,	0,	"CU0",	NULL,	NULL },
	{ SR_BEV,	0,	"BEV",	NULL,	NULL },
	{ SR_TS,	0,	"TS",	NULL,	NULL },
	{ SR_PE,	0,	"PE",	NULL,	NULL },
	{ SR_CM,	0,	"CM",	NULL,	NULL },
	{ SR_PZ,	0,	"PZ",	NULL,	NULL },
	{ SR_SWC,	0,	"SwC",	NULL,	NULL },
	{ SR_ISC,	0,	"IsC",	NULL,	NULL },
	{ SR_IBIT8,	0,	"IM8",	NULL,	NULL },
	{ SR_IBIT7,	0,	"IM7",	NULL,	NULL },
	{ SR_IBIT6,	0,	"IM6",	NULL,	NULL },
	{ SR_IBIT5,	0,	"IM5",	NULL,	NULL },
	{ SR_IBIT4,	0,	"IM4",	NULL,	NULL },
	{ SR_IBIT3,	0,	"IM3",	NULL,	NULL },
	{ SR_IBIT2,	0,	"IM2",	NULL,	NULL },
	{ SR_IBIT1,	0,	"IM1",	NULL,	NULL },
	{ SR_IMASK,	0,	"IPL",	NULL,	imask_values },
	{ SR_KUO,	0,	"KUo",	NULL,	NULL },
	{ SR_IEO,	0,	"IEo",	NULL,	NULL },
	{ SR_KUP,	0,	"KUp",	NULL,	NULL },
	{ SR_IEP,	0,	"IEp",	NULL,	NULL },
	{ SR_KUC,	0,	"KUc",	NULL,	NULL },
	{ SR_IEC,	0,	"IEc",	NULL,	NULL },
	{ 0,		0,	NULL,	NULL,	NULL },
};

struct reg_values exc_values[] = {
	{ EXC_INT,	"INT" },
	{ EXC_MOD,	"MOD" },
	{ EXC_RMISS,	"RMISS" },
	{ EXC_WMISS,	"WMISS" },
	{ EXC_RADE,	"RADE" },
	{ EXC_WADE,	"WADE" },
	{ EXC_IBE,	"IBE" },
	{ EXC_DBE,	"DBE" },
	{ EXC_SYSCALL,	"SYSCALL" },
	{ EXC_BREAK,	"BREAK" },
	{ EXC_II,	"II" },
	{ EXC_CPU,	"CPU" },
	{ EXC_OV,	"OV" },
	{ SEXC_SEGV,	"SW_SEGV" },
	{ SEXC_RESCHED,	"SW_RESCHED" },
	{ SEXC_PAGEIN,	"SW_PAGEIN" },
	{ SEXC_CPU,	"SW_CP_UNUSABLE" },
	{ 0,		NULL },
};

struct reg_desc exccode_desc[] = {
	/* mask	     shift      name   format  values */
	{ 1,		0,	"USER",	NULL,	NULL },
	{ CAUSE_EXCMASK,0,	"EXC",	NULL,	exc_values },
	{ 0,		0,	NULL,	NULL,	NULL }
};

struct reg_desc cause_desc[] = {
	/* mask	     shift      name   format  values */
	{ CAUSE_BD,	0,	"BD",	NULL,	NULL },
	{ CAUSE_CEMASK,	-CAUSE_CESHIFT,	"CE",	"%d",	NULL },
	{ CAUSE_IP8,	0,	"IP8",	NULL,	NULL },
	{ CAUSE_IP7,	0,	"IP7",	NULL,	NULL },
	{ CAUSE_IP6,	0,	"IP6",	NULL,	NULL },
	{ CAUSE_IP5,	0,	"IP5",	NULL,	NULL },
	{ CAUSE_IP4,	0,	"IP4",	NULL,	NULL },
	{ CAUSE_IP3,	0,	"IP3",	NULL,	NULL },
	{ CAUSE_SW2,	0,	"SW2",	NULL,	NULL },
	{ CAUSE_SW1,	0,	"SW1",	NULL,	NULL },
	{ CAUSE_EXCMASK,0,	"EXC",	NULL,	exc_values },
	{ 0,		0,	NULL,	NULL,	NULL },
};

struct reg_desc tlbhi_desc[] = {
	/* mask	     shift      name   format  values */
	{ TLBHI_VPNMASK,0,	"VA",	"0x%x",	NULL },
	{ TLBHI_PIDMASK,-TLBHI_PIDSHIFT,"PID",	"%d",	NULL },
	{ 0,		0,	NULL,	NULL,	NULL },
};

struct reg_desc tlblo_desc[] = {
	/* mask	     shift      name   format  values */
	{ TLBLO_PFNMASK,0,	"PA",	"0x%x",	NULL },
	{ TLBLO_N,	0,	"N",	NULL,	NULL },
	{ TLBLO_D,	0,	"D",	NULL,	NULL },
	{ TLBLO_V,	0,	"V",	NULL,	NULL },
	{ TLBLO_G,	0,	"G",	NULL,	NULL },
	{ 0,		0,	NULL,	NULL,	NULL },
};

struct reg_desc tlbinx_desc[] = {
	/* mask	     shift      name   format  values */
	{ TLBINX_PROBE,	0,	"PFAIL",NULL,	NULL },
	{ TLBINX_INXMASK, -TLBINX_INXSHIFT, "INDEX", "%d", NULL },
	{ 0,		0,	NULL,	NULL,	NULL },
};

struct reg_desc tlbrand_desc[] = {
	/* mask	     shift      name   format  values */
	{ TLBRAND_RANDMASK, -TLBRAND_RANDSHIFT, "RANDOM", "%d", NULL },
	{ 0,		0,	NULL,	NULL,	NULL },
};

struct reg_desc tlbctxt_desc[] = {
	/* mask	     shift      name   format  values */
	{ TLBCTXT_BASEMASK, 0,	"PTEBASE", "0x%x", NULL },
	{ TLBCTXT_VPNMASK, 11,	"BADVAP", "0x%x", NULL},
	{ 0,		0,	NULL,	NULL,	NULL },
};

struct reg_values fileno_values[] = {
	/* value			name */
	{ PG_FZERO>>PTE_FILENOSHIFT,	"ZERO" },
	{ PG_FTEXT>>PTE_FILENOSHIFT,	"TEXT" },
	{ 0,				NULL }
};

struct reg_values prot_values[] = {
	/* value			name */
	{ PG_KR,			"KR" },
	{ PG_KW,			"KW" },
	{ PG_URKR,			"URKR" },
	{ PG_UW,			"UW" },
	{ 0,				NULL }
};

struct reg_desc pte_desc[] = {
	/* mask	     shift      name   format  values */
	{ PG_PFNUM,	0,	"PADDR", "0x%x", NULL },
	{ PG_N,		0,	"N",	NULL,	NULL },
	{ PG_M,		0,	"M",	NULL,	NULL },
	{ PG_V,		0,	"V",	NULL,	NULL },
	{ PG_G,		0,	"G",	NULL,	NULL },
	{ PG_FILENO,	PTE_FILENOSHIFT,"FILENO", "%d",	fileno_values },
	{ PG_SWAPM,	0,	"SWAPM",NULL,	NULL },
	{ PG_FOD,	0,	"FOD",	NULL,	NULL },
	{ PG_PROT,	0,	"PROT",	NULL,	prot_values },
	{ 0,		0,	NULL,	NULL,	NULL }
};

struct reg_values syscall_values[] = {
	/* value			name */
	{ SYS_syscall,			"syscall" },
	{ SYS_exit,			"exit" },
	{ SYS_fork,			"fork" },
	{ SYS_read,			"read" },
	{ SYS_write,			"write" },
	{ SYS_open,			"open" },
	{ SYS_close,			"close" },
	{ 7,				"old_wait" },
	{ SYS_creat,			"creat" },
	{ SYS_link,			"link" },
	{ SYS_unlink,			"unlink" },
	{ SYS_execv,			"execv" },
	{ SYS_chdir,			"chdir" },
	{ 13,				"old_time" },
	{ SYS_mknod,			"mknod" },
	{ SYS_chmod,			"chmod" },
	{ SYS_chown,			"chown" },
	{ SYS_brk,			"brk" },
	{ 18,				"old_stat" },
	{ SYS_lseek,			"lseek" },
	{ SYS_getpid,			"getpid" },
	{ 21,				"old_mount" },
	{ 22,				"old_umount" },
	{ 23,				"old_setuid" },
	{ SYS_getuid,			"getuid" },
	{ 25,				"old_stime" },
	{ SYS_ptrace,			"ptrace" },
	{ 27,				"old_alarm" },
	{ 28,				"old_fstat" },
	{ 29,				"old_pause" },
	{ 30,				"old_utime" },
	{ 31,				"old_stty" },
	{ 32,				"old_gtty" },
	{ SYS_access,			"access" },
	{ 34,				"old_nice" },
	{ 35,				"old_ftime" },
	{ SYS_sync,			"sync" },
	{ SYS_kill,			"kill" },
	{ SYS_stat,			"stat" },
	{ 39,				"old_setpgrp" },
	{ SYS_lstat,			"lstat" },
	{ SYS_dup,			"dup" },
	{ SYS_pipe,			"pipe" },
	{ 43,				"old_times" },
	{ SYS_profil,			"profil" },
	{ 46,				"old_setgid" },
	{ SYS_getgid,			"getgid" },
	{ 48,				"old_sigsys" },
	{ SYS_acct,			"acct" },
	{ 52,				"old_phys" },
	{ 53,				"old_syslock" },
	{ SYS_ioctl,			"ioctl" },
	{ SYS_reboot,			"reboot" },
	{ 56,				"old_mpxchan" },
	{ SYS_symlink,			"symlink" },
	{ SYS_readlink,			"readlink" },
	{ SYS_execve,			"execve" },
	{ SYS_umask,			"umask" },
	{ SYS_chroot,			"chroot" },
	{ SYS_fstat,			"fstat" },
	{ SYS_getpagesize,		"getpagesize" },
	{ SYS_mremap,			"mremap" },
	{ SYS_vfork,			"vfork" },
	{ 67,				"old_vread" },
	{ 68,				"old_vwrite" },
	{ SYS_sbrk,			"sbrk" },
	{ SYS_sstk,			"sstk" },
	{ SYS_mmap,			"mmap" },
	{ SYS_vadvise,			"vadvise" },
	{ SYS_munmap,			"munmap" },
	{ SYS_mprotect,			"mprotect" },
	{ SYS_madvise,			"madvise" },
	{ SYS_vhangup,			"vhangup" },
	{ 77,				"old_vlimit" },
	{ SYS_mincore,			"mincore" },
	{ SYS_getgroups,		"getgroups" },
	{ SYS_setgroups,		"setgroups" },
	{ SYS_getpgrp,			"getpgrp" },
	{ SYS_setpgrp,			"setpgrp" },
	{ SYS_setitimer,		"setitimer" },
	{ SYS_wait3,			"wait3" },
	{ SYS_swapon,			"swapon" },
	{ SYS_getitimer,		"getitimer" },
	{ SYS_gethostname,		"gethostname" },
	{ SYS_sethostname,		"sethostname" },
	{ SYS_getdtablesize,		"getdtablesize" },
	{ SYS_dup2,			"dup2" },
	{ SYS_getdopt,			"getdopt" },
	{ SYS_fcntl,			"fcntl" },
	{ SYS_select,			"select" },
	{ SYS_setdopt,			"setdopt" },
	{ SYS_fsync,			"fsync" },
	{ SYS_setpriority,		"setpriority" },
	{ SYS_socket,			"socket" },
	{ SYS_connect,			"connect" },
	{ SYS_accept,			"accept" },
	{ SYS_getpriority,		"getpriority" },
	{ SYS_send,			"send" },
	{ SYS_recv,			"recv" },
	{ SYS_sigreturn,		"sigreturn" },
	{ SYS_bind,			"bind" },
	{ SYS_setsockopt,		"setsockopt" },
	{ SYS_listen,			"listen" },
	{ 107,				"was_vtimes" },
	{ SYS_sigvec,			"sigvec" },
	{ SYS_sigblock,			"sigblock" },
	{ SYS_sigsetmask,		"sigsetmask" },
	{ SYS_sigpause,			"sigpause" },
	{ SYS_sigstack,			"sigstack" },
	{ SYS_recvmsg,			"recvmsg" },
	{ SYS_sendmsg,			"sendmsg" },
	{ 115,				"old_vtrace" },
	{ SYS_gettimeofday,		"gettimeofday" },
	{ SYS_getrusage,		"getrusage" },
	{ SYS_getsockopt,		"getsockopt" },
	{ 119,				"old_resuba" },
	{ SYS_readv,			"readv" },
	{ SYS_writev,			"writev" },
	{ SYS_settimeofday,		"settimeofday" },
	{ SYS_fchown,			"fchown" },
	{ SYS_fchmod,			"fchmod" },
	{ SYS_recvfrom,			"recvfrom" },
	{ SYS_setreuid,			"setreuid" },
	{ SYS_setregid,			"setregid" },
	{ SYS_rename,			"rename" },
	{ SYS_truncate,			"truncate" },
	{ SYS_ftruncate,		"ftruncate" },
	{ SYS_flock,			"flock" },
	{ SYS_sendto,			"sendto" },
	{ SYS_shutdown,			"shutdown" },
	{ SYS_socketpair,		"socketpair" },
	{ SYS_mkdir,			"mkdir" },
	{ SYS_rmdir,			"rmdir" },
	{ SYS_utimes,			"utimes" },
	{ SYS_sigcleanup,		"old sigcleanup" },
	{ SYS_adjtime,			"adjtime" },
	{ SYS_getpeername,		"getpeername" },
	{ SYS_gethostid,		"gethostid" },
	{ SYS_sethostid,		"sethostid" },
	{ SYS_getrlimit,		"getrlimit" },
	{ SYS_setrlimit,		"setrlimit" },
	{ SYS_killpg,			"killpg" },
	{ 147,				"unused" },
	{ SYS_setquota,			"setquota" },
	{ SYS_quota,			"quota" },
	{ SYS_getsockname,		"getsockname" },
	{ SYS_sysmips,			"sysmips" },
	{ 152,				"cachectl" },
	{ 153,				"cacheflush" },
	{ 154,				"nfs debug" },
	{ 155,				"unused" },
	{ 156,				"unused" },
	{ 157,				"unused" },
	{ SYS_nfssvc,			"nfs_svc" },
	{ SYS_getdirentries,		"getdirentries" },
	{ 160,				"statfs" },
	{ 161,				"fstatfs" },
	{ 162,				"unmount" },
	{ SYS_async_daemon,		"async_daemon" },
	{ SYS_getfh,			"nfs_getfh" },
	{ SYS_getdomainname,		"getdomainname" },
	{ SYS_setdomainname,		"setdomainname" },
	{ 167,				"old pcfs_mount" },
	{ 168,				"quotactl" },
	{ SYS_exportfs,			"exportfs" },
	{ SYS_mount,			"mount" },
	{ 0,				NULL }
};

struct reg_values sym_values[] = {
	/* value			name */
	{ XPR_CLOCK,			"clock" },
	{ XPR_TLB,			"tlb" },
	{ XPR_INIT,			"init" },
	{ XPR_SCHED,			"sched" },
	{ XPR_PROCESS,			"process" },
	{ XPR_EXEC,			"exec" },
	{ XPR_SYSCALL,			"syscall" },
	{ XPR_TRAP,			"trap" },
	{ XPR_VM,			"vm" },
	{ XPR_SWAP,			"swap" },
	{ XPR_SWTCH,			"swtch" },
	{ XPR_DISK,			"disk" },
	{ XPR_TTY,			"tty" },
	{ XPR_TAPE,			"tape" },
	{ XPR_BIO,			"bio" },
	{ XPR_INTR,			"intr" },
	{ XPR_RMAP,			"rmap" },
	{ XPR_TEXT,			"text" },
	{ XPR_CACHE,			"cache" },
	{ XPR_NFS,			"nfs" },
	{ XPR_RPC,			"rpc" },