binutils-gdb/gdb/proc-events.c

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/* Machine-independent support for Solaris /proc (process file system)
Copyright (C) 1999-2019 Free Software Foundation, Inc.
Written by Michael Snyder at Cygnus Solutions.
Based on work by Fred Fish, Stu Grossman, Geoff Noer, and others.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
/* Pretty-print "events of interest".
This module includes pretty-print routines for:
* faults (hardware exceptions)
* signals (software interrupts)
* syscalls
FIXME: At present, the syscall translation table must be
initialized, which is not true of the other translation tables. */
#include "defs.h"
#define _STRUCTURED_PROC 1
#include <sys/types.h>
#include <sys/procfs.h>
#include <sys/syscall.h>
#include <sys/fault.h>
#include "proc-utils.h"
/* Much of the information used in the /proc interface, particularly
for printing status information, is kept as tables of structures of
the following form. These tables can be used to map numeric values
to their symbolic names and to a string that describes their
specific use. */
struct trans
{
int value; /* The numeric value. */
const char *name; /* The equivalent symbolic value. */
const char *desc; /* Short description of value. */
};
/* Pretty print syscalls. */
/* Syscall translation table. */
#define MAX_SYSCALLS 262 /* Pretty arbitrary. */
static const char *syscall_table[MAX_SYSCALLS];
static void
init_syscall_table (void)
{
syscall_table[SYS_accept] = "accept";
#ifdef SYS_access
syscall_table[SYS_access] = "access";
#endif
syscall_table[SYS_acct] = "acct";
syscall_table[SYS_acctctl] = "acctctl";
syscall_table[SYS_acl] = "acl";
#ifdef SYS_adi
syscall_table[SYS_adi] = "adi";
#endif
syscall_table[SYS_adjtime] = "adjtime";
syscall_table[SYS_alarm] = "alarm";
syscall_table[SYS_auditsys] = "auditsys";
syscall_table[SYS_autofssys] = "autofssys";
syscall_table[SYS_bind] = "bind";
syscall_table[SYS_brand] = "brand";
syscall_table[SYS_brk] = "brk";
syscall_table[SYS_chdir] = "chdir";
#ifdef SYS_chmod
syscall_table[SYS_chmod] = "chmod";
#endif
#ifdef SYS_chown
syscall_table[SYS_chown] = "chown";
#endif
syscall_table[SYS_chroot] = "chroot";
syscall_table[SYS_cladm] = "cladm";
syscall_table[SYS_clock_getres] = "clock_getres";
syscall_table[SYS_clock_gettime] = "clock_gettime";
syscall_table[SYS_clock_settime] = "clock_settime";
syscall_table[SYS_close] = "close";
syscall_table[SYS_connect] = "connect";
syscall_table[SYS_context] = "context";
syscall_table[SYS_corectl] = "corectl";
syscall_table[SYS_cpc] = "cpc";
#ifdef SYS_creat
syscall_table[SYS_creat] = "creat";
#endif
#ifdef SYS_creat64
syscall_table[SYS_creat64] = "creat64";
#endif
syscall_table[SYS_door] = "door";
#ifdef SYS_dup
syscall_table[SYS_dup] = "dup";
#endif
#ifdef SYS_evsys
syscall_table[SYS_evsys] = "evsys";
#endif
#ifdef SYS_evtrapret
syscall_table[SYS_evtrapret] = "evtrapret";
#endif
syscall_table[SYS_exacctsys] = "exacctsys";
#ifdef SYS_exec
syscall_table[SYS_exec] = "exec";
#endif
syscall_table[SYS_execve] = "execve";
syscall_table[SYS_exit] = "exit";
#ifdef SYS_faccessat
syscall_table[SYS_faccessat] = "faccessat";
#endif
syscall_table[SYS_facl] = "facl";
syscall_table[SYS_fchdir] = "fchdir";
#ifdef SYS_fchmod
syscall_table[SYS_fchmod] = "fchmod";
#endif
#ifdef SYS_fchmodat
syscall_table[SYS_fchmodat] = "fchmodat";
#endif
#ifdef SYS_fchown
syscall_table[SYS_fchown] = "fchown";
#endif
#ifdef SYS_fchownat
syscall_table[SYS_fchownat] = "fchownat";
#endif
syscall_table[SYS_fchroot] = "fchroot";
syscall_table[SYS_fcntl] = "fcntl";
syscall_table[SYS_fdsync] = "fdsync";
#ifdef SYS_fork1
syscall_table[SYS_fork1] = "fork1";
#endif
#ifdef SYS_forkall
syscall_table[SYS_forkall] = "forkall";
#endif
#ifdef SYS_forksys
syscall_table[SYS_forksys] = "forksys";
#endif
syscall_table[SYS_fpathconf] = "fpathconf";
#ifdef SYS_frealpathat
syscall_table[SYS_frealpathat] = "frealpathat";
#endif
#ifdef SYS_fsat
syscall_table[SYS_fsat] = "fsat";
#endif
#ifdef SYS_fstat
syscall_table[SYS_fstat] = "fstat";
#endif
#ifdef SYS_fstat64
syscall_table[SYS_fstat64] = "fstat64";
#endif
#ifdef SYS_fstatat
syscall_table[SYS_fstatat] = "fstatat";
#endif
#ifdef SYS_fstatat64
syscall_table[SYS_fstatat64] = "fstatat64";
#endif
syscall_table[SYS_fstatfs] = "fstatfs";
syscall_table[SYS_fstatvfs] = "fstatvfs";
syscall_table[SYS_fstatvfs64] = "fstatvfs64";
#ifdef SYS_fxstat
syscall_table[SYS_fxstat] = "fxstat";
#endif
syscall_table[SYS_getcwd] = "getcwd";
syscall_table[SYS_getdents] = "getdents";
syscall_table[SYS_getdents64] = "getdents64";
syscall_table[SYS_getgid] = "getgid";
syscall_table[SYS_getgroups] = "getgroups";
syscall_table[SYS_getitimer] = "getitimer";
syscall_table[SYS_getloadavg] = "getloadavg";
syscall_table[SYS_getmsg] = "getmsg";
syscall_table[SYS_getpagesizes] = "getpagesizes";
syscall_table[SYS_getpeername] = "getpeername";
syscall_table[SYS_getpid] = "getpid";
syscall_table[SYS_getpmsg] = "getpmsg";
#ifdef SYS_getrandom
syscall_table[SYS_getrandom] = "getrandom";
#endif
syscall_table[SYS_getrlimit] = "getrlimit";
syscall_table[SYS_getrlimit64] = "getrlimit64";
syscall_table[SYS_getsockname] = "getsockname";
syscall_table[SYS_getsockopt] = "getsockopt";
syscall_table[SYS_gettimeofday] = "gettimeofday";
syscall_table[SYS_getuid] = "getuid";
syscall_table[SYS_gtty] = "gtty";
syscall_table[SYS_hrtsys] = "hrtsys";
syscall_table[SYS_inst_sync] = "inst_sync";
syscall_table[SYS_install_utrap] = "install_utrap";
syscall_table[SYS_ioctl] = "ioctl";
#ifdef SYS_issetugid
syscall_table[SYS_issetugid] = "issetugid";
#endif
syscall_table[SYS_kaio] = "kaio";
syscall_table[SYS_kill] = "kill";
syscall_table[SYS_labelsys] = "labelsys";
#ifdef SYS_lchown
syscall_table[SYS_lchown] = "lchown";
#endif
syscall_table[SYS_lgrpsys] = "lgrpsys";
#ifdef SYS_link
syscall_table[SYS_link] = "link";
#endif
#ifdef SYS_linkat
syscall_table[SYS_linkat] = "linkat";
#endif
syscall_table[SYS_listen] = "listen";
syscall_table[SYS_llseek] = "llseek";
syscall_table[SYS_lseek] = "lseek";
#ifdef SYS_lstat
syscall_table[SYS_lstat] = "lstat";
#endif
#ifdef SYS_lstat64
syscall_table[SYS_lstat64] = "lstat64";
#endif
syscall_table[SYS_lwp_cond_broadcast] = "lwp_cond_broadcast";
syscall_table[SYS_lwp_cond_signal] = "lwp_cond_signal";
syscall_table[SYS_lwp_cond_wait] = "lwp_cond_wait";
syscall_table[SYS_lwp_continue] = "lwp_continue";
syscall_table[SYS_lwp_create] = "lwp_create";
syscall_table[SYS_lwp_detach] = "lwp_detach";
syscall_table[SYS_lwp_exit] = "lwp_exit";
syscall_table[SYS_lwp_info] = "lwp_info";
#ifdef SYS_lwp_kill
syscall_table[SYS_lwp_kill] = "lwp_kill";
#endif
#ifdef SYS_lwp_mutex_lock
syscall_table[SYS_lwp_mutex_lock] = "lwp_mutex_lock";
#endif
syscall_table[SYS_lwp_mutex_register] = "lwp_mutex_register";
syscall_table[SYS_lwp_mutex_timedlock] = "lwp_mutex_timedlock";
syscall_table[SYS_lwp_mutex_trylock] = "lwp_mutex_trylock";
syscall_table[SYS_lwp_mutex_unlock] = "lwp_mutex_unlock";
syscall_table[SYS_lwp_mutex_wakeup] = "lwp_mutex_wakeup";
#ifdef SYS_lwp_name
syscall_table[SYS_lwp_name] = "lwp_name";
#endif
syscall_table[SYS_lwp_park] = "lwp_park";
syscall_table[SYS_lwp_private] = "lwp_private";
syscall_table[SYS_lwp_rwlock_sys] = "lwp_rwlock_sys";
syscall_table[SYS_lwp_self] = "lwp_self";
syscall_table[SYS_lwp_sema_post] = "lwp_sema_post";
syscall_table[SYS_lwp_sema_timedwait] = "lwp_sema_timedwait";
syscall_table[SYS_lwp_sema_trywait] = "lwp_sema_trywait";
#ifdef SYS_lwp_sema_wait
syscall_table[SYS_lwp_sema_wait] = "lwp_sema_wait";
#endif
syscall_table[SYS_lwp_sigmask] = "lwp_sigmask";
#ifdef SYS_lwp_sigqueue
syscall_table[SYS_lwp_sigqueue] = "lwp_sigqueue";
#endif
syscall_table[SYS_lwp_suspend] = "lwp_suspend";
syscall_table[SYS_lwp_wait] = "lwp_wait";
#ifdef SYS_lxstat
syscall_table[SYS_lxstat] = "lxstat";
#endif
syscall_table[SYS_memcntl] = "memcntl";
#ifdef SYS_memsys
syscall_table[SYS_memsys] = "memsys";
#endif
syscall_table[SYS_mincore] = "mincore";
#ifdef SYS_mkdir
syscall_table[SYS_mkdir] = "mkdir";
#endif
#ifdef SYS_mkdirat
syscall_table[SYS_mkdirat] = "mkdirat";
#endif
#ifdef SYS_mknod
syscall_table[SYS_mknod] = "mknod";
#endif
#ifdef SYS_mknodat
syscall_table[SYS_mknodat] = "mknodat";
#endif
syscall_table[SYS_mmap] = "mmap";
syscall_table[SYS_mmap64] = "mmap64";
#ifdef SYS_mmapobj
syscall_table[SYS_mmapobj] = "mmapobj";
#endif
syscall_table[SYS_modctl] = "modctl";
syscall_table[SYS_mount] = "mount";
syscall_table[SYS_mprotect] = "mprotect";
syscall_table[SYS_msgsys] = "msgsys";
syscall_table[SYS_munmap] = "munmap";
syscall_table[SYS_nanosleep] = "nanosleep";
syscall_table[SYS_nfssys] = "nfssys";
syscall_table[SYS_nice] = "nice";
syscall_table[SYS_ntp_adjtime] = "ntp_adjtime";
syscall_table[SYS_ntp_gettime] = "ntp_gettime";
#ifdef SYS_open
syscall_table[SYS_open] = "open";
#endif
#ifdef SYS_open64
syscall_table[SYS_open64] = "open64";
#endif
#ifdef SYS_openat
syscall_table[SYS_openat] = "openat";
#endif
#ifdef SYS_openat64
syscall_table[SYS_openat64] = "openat64";
#endif
syscall_table[SYS_p_online] = "p_online";
syscall_table[SYS_pathconf] = "pathconf";
syscall_table[SYS_pause] = "pause";
syscall_table[SYS_pcsample] = "pcsample";
syscall_table[SYS_pgrpsys] = "pgrpsys";
syscall_table[SYS_pipe] = "pipe";
#ifdef SYS_plock
syscall_table[SYS_plock] = "plock";
#endif
#ifdef SYS_poll
syscall_table[SYS_poll] = "poll";
#endif
syscall_table[SYS_pollsys] = "pollsys";
syscall_table[SYS_port] = "port";
syscall_table[SYS_pread] = "pread";
syscall_table[SYS_pread64] = "pread64";
syscall_table[SYS_priocntlsys] = "priocntlsys";
syscall_table[SYS_privsys] = "privsys";
#ifdef SYS_processor_bind
syscall_table[SYS_processor_bind] = "processor_bind";
#endif
#ifdef SYS_processor_info
syscall_table[SYS_processor_info] = "processor_info";
#endif
#ifdef SYS_processor_sys
syscall_table[SYS_processor_sys] = "processor_sys";
#endif
syscall_table[SYS_profil] = "profil";
syscall_table[SYS_pset] = "pset";
syscall_table[SYS_putmsg] = "putmsg";
syscall_table[SYS_putpmsg] = "putpmsg";
syscall_table[SYS_pwrite] = "pwrite";
syscall_table[SYS_pwrite64] = "pwrite64";
syscall_table[SYS_rctlsys] = "rctlsys";
syscall_table[SYS_read] = "read";
#ifdef SYS_readlink
syscall_table[SYS_readlink] = "readlink";
#endif
#ifdef SYS_readlinkat
syscall_table[SYS_readlinkat] = "readlinkat";
#endif
syscall_table[SYS_readv] = "readv";
syscall_table[SYS_recv] = "recv";
syscall_table[SYS_recvfrom] = "recvfrom";
#ifdef SYS_recvmmsg
syscall_table[SYS_recvmmsg] = "recvmmsg";
#endif
syscall_table[SYS_recvmsg] = "recvmsg";
#ifdef SYS_reflinkat
syscall_table[SYS_reflinkat] = "reflinkat";
#endif
#ifdef SYS_rename
syscall_table[SYS_rename] = "rename";
#endif
#ifdef SYS_renameat
syscall_table[SYS_renameat] = "renameat";
#endif
syscall_table[SYS_resolvepath] = "resolvepath";
#ifdef SYS_rmdir
syscall_table[SYS_rmdir] = "rmdir";
#endif
syscall_table[SYS_rpcsys] = "rpcsys";
syscall_table[SYS_rusagesys] = "rusagesys";
syscall_table[SYS_schedctl] = "schedctl";
#ifdef SYS_secsys
syscall_table[SYS_secsys] = "secsys";
#endif
syscall_table[SYS_semsys] = "semsys";
syscall_table[SYS_send] = "send";
syscall_table[SYS_sendfilev] = "sendfilev";
#ifdef SYS_sendmmsg
syscall_table[SYS_sendmmsg] = "sendmmsg";
#endif
syscall_table[SYS_sendmsg] = "sendmsg";
syscall_table[SYS_sendto] = "sendto";
syscall_table[SYS_setegid] = "setegid";
syscall_table[SYS_seteuid] = "seteuid";
syscall_table[SYS_setgid] = "setgid";
syscall_table[SYS_setgroups] = "setgroups";
syscall_table[SYS_setitimer] = "setitimer";
syscall_table[SYS_setregid] = "setregid";
syscall_table[SYS_setreuid] = "setreuid";
syscall_table[SYS_setrlimit] = "setrlimit";
syscall_table[SYS_setrlimit64] = "setrlimit64";
syscall_table[SYS_setsockopt] = "setsockopt";
syscall_table[SYS_setuid] = "setuid";
syscall_table[SYS_sharefs] = "sharefs";
syscall_table[SYS_shmsys] = "shmsys";
syscall_table[SYS_shutdown] = "shutdown";
#ifdef SYS_sidsys
syscall_table[SYS_sidsys] = "sidsys";
#endif
syscall_table[SYS_sigaction] = "sigaction";
syscall_table[SYS_sigaltstack] = "sigaltstack";
#ifdef SYS_signal
syscall_table[SYS_signal] = "signal";
#endif
syscall_table[SYS_signotify] = "signotify";
syscall_table[SYS_sigpending] = "sigpending";
syscall_table[SYS_sigprocmask] = "sigprocmask";
syscall_table[SYS_sigqueue] = "sigqueue";
#ifdef SYS_sigresend
syscall_table[SYS_sigresend] = "sigresend";
#endif
syscall_table[SYS_sigsendsys] = "sigsendsys";
syscall_table[SYS_sigsuspend] = "sigsuspend";
syscall_table[SYS_sigtimedwait] = "sigtimedwait";
syscall_table[SYS_so_socket] = "so_socket";
syscall_table[SYS_so_socketpair] = "so_socketpair";
syscall_table[SYS_sockconfig] = "sockconfig";
#ifdef SYS_sparc_fixalign
syscall_table[SYS_sparc_fixalign] = "sparc_fixalign";
#endif
syscall_table[SYS_sparc_utrap_install] = "sparc_utrap_install";
#ifdef SYS_spawn
syscall_table[SYS_spawn] = "spawn";
#endif
#ifdef SYS_stat
syscall_table[SYS_stat] = "stat";
#endif
#ifdef SYS_stat64
syscall_table[SYS_stat64] = "stat64";
#endif
syscall_table[SYS_statfs] = "statfs";
syscall_table[SYS_statvfs] = "statvfs";
syscall_table[SYS_statvfs64] = "statvfs64";
syscall_table[SYS_stime] = "stime";
syscall_table[SYS_stty] = "stty";
#ifdef SYS_symlink
syscall_table[SYS_symlink] = "symlink";
#endif
#ifdef SYS_symlinkat
syscall_table[SYS_symlinkat] = "symlinkat";
#endif
syscall_table[SYS_sync] = "sync";
syscall_table[SYS_syscall] = "syscall";
syscall_table[SYS_sysconfig] = "sysconfig";
syscall_table[SYS_sysfs] = "sysfs";
syscall_table[SYS_sysi86] = "sysi86";
#ifdef SYS_syssun
syscall_table[SYS_syssun] = "syssun";
#endif
#ifdef SYS_system_stats
syscall_table[SYS_system_stats] = "system_stats";
#endif
syscall_table[SYS_systeminfo] = "systeminfo";
syscall_table[SYS_tasksys] = "tasksys";
syscall_table[SYS_time] = "time";
syscall_table[SYS_timer_create] = "timer_create";
syscall_table[SYS_timer_delete] = "timer_delete";
syscall_table[SYS_timer_getoverrun] = "timer_getoverrun";
syscall_table[SYS_timer_gettime] = "timer_gettime";
syscall_table[SYS_timer_settime] = "timer_settime";
syscall_table[SYS_times] = "times";
syscall_table[SYS_uadmin] = "uadmin";
syscall_table[SYS_ucredsys] = "ucredsys";
syscall_table[SYS_ulimit] = "ulimit";
syscall_table[SYS_umask] = "umask";
#ifdef SYS_umount
syscall_table[SYS_umount] = "umount";
#endif
syscall_table[SYS_umount2] = "umount2";
syscall_table[SYS_uname] = "uname";
#ifdef SYS_unlink
syscall_table[SYS_unlink] = "unlink";
#endif
#ifdef SYS_unlinkat
syscall_table[SYS_unlinkat] = "unlinkat";
#endif
#ifdef SYS_utime
syscall_table[SYS_utime] = "utime";
#endif
#ifdef SYS_utimensat
syscall_table[SYS_utimensat] = "utimensat";
#endif
#ifdef SYS_utimes
syscall_table[SYS_utimes] = "utimes";
#endif
#ifdef SYS_utimesys
syscall_table[SYS_utimesys] = "utimesys";
#endif
syscall_table[SYS_utssys] = "utssys";
syscall_table[SYS_uucopy] = "uucopy";
syscall_table[SYS_uucopystr] = "uucopystr";
#ifdef SYS_uuidsys
syscall_table[SYS_uuidsys] = "uuidsys";
#endif
#ifdef SYS_va_mask
syscall_table[SYS_va_mask] = "va_mask";
#endif
syscall_table[SYS_vfork] = "vfork";
syscall_table[SYS_vhangup] = "vhangup";
#ifdef SYS_wait
syscall_table[SYS_wait] = "wait";
#endif
#ifdef SYS_waitid
syscall_table[SYS_waitid] = "waitid";
#endif
#ifdef SYS_waitsys
syscall_table[SYS_waitsys] = "waitsys";
#endif
syscall_table[SYS_write] = "write";
syscall_table[SYS_writev] = "writev";
#ifdef SYS_xmknod
syscall_table[SYS_xmknod] = "xmknod";
#endif
#ifdef SYS_xstat
syscall_table[SYS_xstat] = "xstat";
#endif
syscall_table[SYS_yield] = "yield";
syscall_table[SYS_zone] = "zone";
}
/* Prettyprint syscall NUM. */
void
proc_prettyfprint_syscall (FILE *file, int num, int verbose)
{
if (syscall_table[num])
fprintf (file, "SYS_%s ", syscall_table[num]);
else
fprintf (file, "<Unknown syscall %d> ", num);
}
void
proc_prettyprint_syscall (int num, int verbose)
{
proc_prettyfprint_syscall (stdout, num, verbose);
}
/* Prettyprint all syscalls in SYSSET. */
void
proc_prettyfprint_syscalls (FILE *file, sysset_t *sysset, int verbose)
{
int i;
for (i = 0; i < MAX_SYSCALLS; i++)
if (prismember (sysset, i))
{
proc_prettyfprint_syscall (file, i, verbose);
}
fprintf (file, "\n");
}
void
proc_prettyprint_syscalls (sysset_t *sysset, int verbose)
{
proc_prettyfprint_syscalls (stdout, sysset, verbose);
}
/* Prettyprint signals. */
/* Signal translation table, ordered ANSI-standard signals first,
other signals second, with signals in each block ordered by their
numerical values on a typical POSIX platform. */
static struct trans signal_table[] =
{
{ 0, "<no signal>", "no signal" },
/* SIGINT, SIGILL, SIGABRT, SIGFPE, SIGSEGV and SIGTERM
are ANSI-standard signals and are always available. */
{ SIGINT, "SIGINT", "Interrupt (rubout)" },
{ SIGILL, "SIGILL", "Illegal instruction" }, /* not reset when caught */
{ SIGABRT, "SIGABRT", "used by abort()" }, /* replaces SIGIOT */
{ SIGFPE, "SIGFPE", "Floating point exception" },
{ SIGSEGV, "SIGSEGV", "Segmentation violation" },
{ SIGTERM, "SIGTERM", "Software termination signal from kill" },
/* All other signals need preprocessor conditionals. */
{ SIGHUP, "SIGHUP", "Hangup" },
{ SIGQUIT, "SIGQUIT", "Quit (ASCII FS)" },
{ SIGTRAP, "SIGTRAP", "Trace trap" }, /* not reset when caught */
{ SIGIOT, "SIGIOT", "IOT instruction" },
{ SIGEMT, "SIGEMT", "EMT instruction" },
{ SIGKILL, "SIGKILL", "Kill" }, /* Solaris: cannot be caught/ignored */
{ SIGBUS, "SIGBUS", "Bus error" },
{ SIGSYS, "SIGSYS", "Bad argument to system call" },
{ SIGPIPE, "SIGPIPE", "Write to pipe with no one to read it" },
{ SIGALRM, "SIGALRM", "Alarm clock" },
{ SIGUSR1, "SIGUSR1", "User defined signal 1" },
{ SIGUSR2, "SIGUSR2", "User defined signal 2" },
{ SIGCHLD, "SIGCHLD", "Child status changed" }, /* Posix version */
{ SIGCLD, "SIGCLD", "Child status changed" }, /* Solaris version */
{ SIGPWR, "SIGPWR", "Power-fail restart" },
{ SIGWINCH, "SIGWINCH", "Window size change" },
{ SIGURG, "SIGURG", "Urgent socket condition" },
{ SIGPOLL, "SIGPOLL", "Pollable event" },
{ SIGIO, "SIGIO", "Socket I/O possible" }, /* alias for SIGPOLL */
{ SIGSTOP, "SIGSTOP", "Stop, not from tty" }, /* cannot be caught or
ignored */
{ SIGTSTP, "SIGTSTP", "User stop from tty" },
{ SIGCONT, "SIGCONT", "Stopped process has been continued" },
{ SIGTTIN, "SIGTTIN", "Background tty read attempted" },
{ SIGTTOU, "SIGTTOU", "Background tty write attempted" },
{ SIGVTALRM, "SIGVTALRM", "Virtual timer expired" },
{ SIGPROF, "SIGPROF", "Profiling timer expired" },
{ SIGXCPU, "SIGXCPU", "Exceeded CPU limit" },
{ SIGXFSZ, "SIGXFSZ", "Exceeded file size limit" },
{ SIGWAITING, "SIGWAITING", "Process's LWPs are blocked" },
{ SIGLWP, "SIGLWP", "Used by thread library" },
{ SIGFREEZE, "SIGFREEZE", "Used by CPR" },
{ SIGTHAW, "SIGTHAW", "Used by CPR" },
{ SIGCANCEL, "SIGCANCEL", "Used by libthread" },
{ SIGLOST, "SIGLOST", "Resource lost" },
/* FIXME: add real-time signals. */
};
/* Prettyprint signal number SIGNO. */
void
proc_prettyfprint_signal (FILE *file, int signo, int verbose)
{
int i;
for (i = 0; i < sizeof (signal_table) / sizeof (signal_table[0]); i++)
if (signo == signal_table[i].value)
{
fprintf (file, "%s", signal_table[i].name);
if (verbose)
fprintf (file, ": %s\n", signal_table[i].desc);
else
fprintf (file, " ");
return;
}
fprintf (file, "Unknown signal %d%c", signo, verbose ? '\n' : ' ');
}
void
proc_prettyprint_signal (int signo, int verbose)
{
proc_prettyfprint_signal (stdout, signo, verbose);
}
/* Prettyprint all signals in SIGSET. */
void
proc_prettyfprint_signalset (FILE *file, sigset_t *sigset, int verbose)
{
int i;
/* Loop over all signal numbers from 0 to NSIG, using them as the
index to prismember. The signal table had better not contain
aliases, for if it does they will both be printed. */
for (i = 0; i < NSIG; i++)
if (prismember (sigset, i))
proc_prettyfprint_signal (file, i, verbose);
if (!verbose)
fprintf (file, "\n");
}
void
proc_prettyprint_signalset (sigset_t *sigset, int verbose)
{
proc_prettyfprint_signalset (stdout, sigset, verbose);
}
/* Prettyprint faults. */
/* Fault translation table. */
static struct trans fault_table[] =
{
{ FLTILL, "FLTILL", "Illegal instruction" },
{ FLTPRIV, "FLTPRIV", "Privileged instruction" },
{ FLTBPT, "FLTBPT", "Breakpoint trap" },
{ FLTTRACE, "FLTTRACE", "Trace trap" },
{ FLTACCESS, "FLTACCESS", "Memory access fault" },
{ FLTBOUNDS, "FLTBOUNDS", "Memory bounds violation" },
{ FLTIOVF, "FLTIOVF", "Integer overflow" },
{ FLTIZDIV, "FLTIZDIV", "Integer zero divide" },
{ FLTFPE, "FLTFPE", "Floating-point exception" },
{ FLTSTACK, "FLTSTACK", "Unrecoverable stack fault" },
{ FLTPAGE, "FLTPAGE", "Recoverable page fault" },
{ FLTWATCH, "FLTWATCH", "User watchpoint" },
};
/* Work horse. Accepts an index into the fault table, prints it
pretty. */
static void
prettyfprint_faulttable_entry (FILE *file, int i, int verbose)
{
fprintf (file, "%s", fault_table[i].name);
if (verbose)
fprintf (file, ": %s\n", fault_table[i].desc);
else
fprintf (file, " ");
}
/* Prettyprint hardware fault number FAULTNO. */
void
proc_prettyfprint_fault (FILE *file, int faultno, int verbose)
{
int i;
for (i = 0; i < ARRAY_SIZE (fault_table); i++)
if (faultno == fault_table[i].value)
{
prettyfprint_faulttable_entry (file, i, verbose);
return;
}
fprintf (file, "Unknown hardware fault %d%c",
faultno, verbose ? '\n' : ' ');
}
void
proc_prettyprint_fault (int faultno, int verbose)
{
proc_prettyfprint_fault (stdout, faultno, verbose);
}
/* Prettyprint all faults in FLTSET. */
void
proc_prettyfprint_faultset (FILE *file, fltset_t *fltset, int verbose)
{
int i;
/* Loop through the fault table, using the value field as the index
to prismember. The fault table had better not contain aliases,
for if it does they will both be printed. */
for (i = 0; i < ARRAY_SIZE (fault_table); i++)
if (prismember (fltset, fault_table[i].value))
prettyfprint_faulttable_entry (file, i, verbose);
if (!verbose)
fprintf (file, "\n");
}
void
proc_prettyprint_faultset (fltset_t *fltset, int verbose)
{
proc_prettyfprint_faultset (stdout, fltset, verbose);
}
/* TODO: actions, holds... */
void
proc_prettyprint_actionset (struct sigaction *actions, int verbose)
{
}
void
_initialize_proc_events (void)
{
init_syscall_table ();
}