256 lines
6.8 KiB
C
Executable file
256 lines
6.8 KiB
C
Executable file
/* Convert between signal names and numbers.
|
|
Copyright (C) 1990 Free Software Foundation, Inc.
|
|
|
|
This file is part of GDB.
|
|
|
|
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 2 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, write to the Free Software
|
|
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
|
|
|
|
#include <stdio.h>
|
|
#include <signal.h>
|
|
#include "signame.h"
|
|
|
|
/* GDB-specific, FIXME. (This is for the SYS_SIGLIST_MISSING define). */
|
|
#include "defs.h"
|
|
#include "param.h"
|
|
|
|
#ifdef __STDC__
|
|
#define CONST const
|
|
#else
|
|
#define CONST
|
|
#endif
|
|
|
|
#if SYS_SIGLIST_MISSING
|
|
/* There is too much variation in Sys V signal numbers and names, so
|
|
we must initialize them at runtime. */
|
|
|
|
static CONST char undoc[] = "unknown signal";
|
|
|
|
/* We'd like to make this const char*[], but whoever's using it might
|
|
want to assign from it to a char*. */
|
|
char *sys_siglist[NSIG];
|
|
#endif /* SYS_SIGLIST_MISSING */
|
|
|
|
/* Table of abbreviations for signals. Note: A given number can
|
|
appear more than once with different abbreviations. */
|
|
typedef struct
|
|
{
|
|
int number;
|
|
CONST char *abbrev;
|
|
} num_abbrev;
|
|
static num_abbrev sig_table[NSIG*2];
|
|
/* Number of elements of sig_table used. */
|
|
static int sig_table_nelts = 0;
|
|
|
|
/* Enter signal number NUMBER into the tables with ABBREV and NAME. */
|
|
static void
|
|
init_sig (number, abbrev, name)
|
|
int number;
|
|
CONST char *abbrev;
|
|
CONST char *name;
|
|
{
|
|
#if SYS_SIGLIST_MISSING
|
|
sys_siglist[number] = (char *) name;
|
|
#endif
|
|
sig_table[sig_table_nelts].number = number;
|
|
sig_table[sig_table_nelts++].abbrev = abbrev;
|
|
}
|
|
|
|
static void init_sigs ()
|
|
{
|
|
#if SYS_SIGLIST_MISSING
|
|
int i;
|
|
|
|
/* Initialize signal names. */
|
|
for (i = 0; i < NSIG; i++)
|
|
sys_siglist[i] = (char *) undoc;
|
|
#endif /* SYS_SIGLIST_MISSING */
|
|
|
|
/* Initialize signal names. */
|
|
#if defined (SIGHUP)
|
|
init_sig (SIGHUP, "HUP", "Hangup");
|
|
#endif
|
|
#if defined (SIGINT)
|
|
init_sig (SIGINT, "INT", "Interrupt");
|
|
#endif
|
|
#if defined (SIGQUIT)
|
|
init_sig (SIGQUIT, "QUIT", "Quit");
|
|
#endif
|
|
#if defined (SIGILL)
|
|
init_sig (SIGILL, "ILL", "Illegal Instruction");
|
|
#endif
|
|
#if defined (SIGTRAP)
|
|
init_sig (SIGTRAP, "TRAP", "Trace/breakpoint trap");
|
|
#endif
|
|
/* If SIGIOT == SIGABRT, we want to print it as SIGABRT because
|
|
SIGABRT is in ANSI and POSIX.1 and SIGIOT isn't. */
|
|
#if defined (SIGABRT)
|
|
init_sig (SIGABRT, "ABRT", "Aborted");
|
|
#endif
|
|
#if defined (SIGIOT)
|
|
init_sig (SIGIOT, "IOT", "IOT trap");
|
|
#endif
|
|
#if defined (SIGEMT)
|
|
init_sig (SIGEMT, "EMT", "EMT trap");
|
|
#endif
|
|
#if defined (SIGFPE)
|
|
init_sig (SIGFPE, "FPE", "Floating point exception");
|
|
#endif
|
|
#if defined (SIGKILL)
|
|
init_sig (SIGKILL, "KILL", "Killed");
|
|
#endif
|
|
#if defined (SIGBUS)
|
|
init_sig (SIGBUS, "BUS", "Bus error");
|
|
#endif
|
|
#if defined (SIGSEGV)
|
|
init_sig (SIGSEGV, "SEGV", "Segmentation fault");
|
|
#endif
|
|
#if defined (SIGSYS)
|
|
init_sig (SIGSYS, "SYS", "Bad system call");
|
|
#endif
|
|
#if defined (SIGPIPE)
|
|
init_sig (SIGPIPE, "PIPE", "Broken pipe");
|
|
#endif
|
|
#if defined (SIGALRM)
|
|
init_sig (SIGALRM, "ALRM", "Alarm clock");
|
|
#endif
|
|
#if defined (SIGTERM)
|
|
init_sig (SIGTERM, "TERM", "Terminated");
|
|
#endif
|
|
#if defined (SIGUSR1)
|
|
init_sig (SIGUSR1, "USR1", "User defined signal 1");
|
|
#endif
|
|
#if defined (SIGUSR2)
|
|
init_sig (SIGUSR2, "USR2", "User defined signal 2");
|
|
#endif
|
|
/* If SIGCLD == SIGCHLD, we want to print it as SIGCHLD because that
|
|
is what is in POSIX.1. */
|
|
#if defined (SIGCHLD)
|
|
init_sig (SIGCHLD, "CHLD", "Child exited");
|
|
#endif
|
|
#if defined (SIGCLD)
|
|
init_sig (SIGCLD, "CLD", "Child exited");
|
|
#endif
|
|
#if defined (SIGPWR)
|
|
init_sig (SIGPWR, "PWR", "Power failure");
|
|
#endif
|
|
#if defined (SIGTSTP)
|
|
init_sig (SIGTSTP, "TSTP", "Stopped");
|
|
#endif
|
|
#if defined (SIGTTIN)
|
|
init_sig (SIGTTIN, "TTIN", "Stopped (tty input)");
|
|
#endif
|
|
#if defined (SIGTTOU)
|
|
init_sig (SIGTTOU, "TTOU", "Stopped (tty output)");
|
|
#endif
|
|
#if defined (SIGSTOP)
|
|
init_sig (SIGSTOP, "STOP", "Stopped (signal)");
|
|
#endif
|
|
#if defined (SIGXCPU)
|
|
init_sig (SIGXCPU, "XCPU", "CPU time limit exceeded");
|
|
#endif
|
|
#if defined (SIGXFSZ)
|
|
init_sig (SIGXFSZ, "XFSZ", "File size limit exceeded");
|
|
#endif
|
|
#if defined (SIGVTALRM)
|
|
init_sig (SIGVTALRM, "VTALRM", "Virtual timer expired");
|
|
#endif
|
|
#if defined (SIGPROF)
|
|
init_sig (SIGPROF, "PROF", "Profiling timer expired");
|
|
#endif
|
|
#if defined (SIGWINCH)
|
|
/* "Window size changed" might be more accurate, but even if that
|
|
is all that it means now, perhaps in the future it will be
|
|
extended to cover other kinds of window changes. */
|
|
init_sig (SIGWINCH, "WINCH", "Window changed");
|
|
#endif
|
|
#if defined (SIGCONT)
|
|
init_sig (SIGCONT, "CONT", "Continued");
|
|
#endif
|
|
#if defined (SIGURG)
|
|
init_sig (SIGURG, "URG", "Urgent I/O condition");
|
|
#endif
|
|
#if defined (SIGIO)
|
|
/* "I/O pending" has also been suggested. A disadvantage is
|
|
that signal only happens when the process has
|
|
asked for it, not everytime I/O is pending. Another disadvantage
|
|
is the confusion from giving it a different name than under Unix. */
|
|
init_sig (SIGIO, "IO", "I/O possible");
|
|
#endif
|
|
#if defined (SIGWIND)
|
|
init_sig (SIGWIND, "WIND", "SIGWIND");
|
|
#endif
|
|
#if defined (SIGPHONE)
|
|
init_sig (SIGPHONE, "PHONE", "SIGPHONE");
|
|
#endif
|
|
#if defined (SIGPOLL)
|
|
init_sig (SIGPOLL, "POLL", "I/O possible");
|
|
#endif
|
|
#if defined (SIGLOST)
|
|
init_sig (SIGLOST, "LOST", "Resource lost");
|
|
#endif
|
|
}
|
|
|
|
/* Return the abbreviation for signal NUMBER. */
|
|
char *
|
|
sig_abbrev (number)
|
|
int number;
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < sig_table_nelts; i++)
|
|
if (sig_table[i].number == number)
|
|
return (char *)sig_table[i].abbrev;
|
|
return NULL;
|
|
}
|
|
|
|
/* Return the signal number for an ABBREV, or -1 if there is no
|
|
signal by that name. */
|
|
int
|
|
sig_number (abbrev)
|
|
CONST char *abbrev;
|
|
{
|
|
int i;
|
|
|
|
/* Skip over "SIG" if present. */
|
|
if (abbrev[0] == 'S' && abbrev[1] == 'I' && abbrev[2] == 'G')
|
|
abbrev += 3;
|
|
|
|
for (i = 0; i < sig_table_nelts; i++)
|
|
if (abbrev[0] == sig_table[i].abbrev[0]
|
|
&& strcmp (abbrev, sig_table[i].abbrev) == 0)
|
|
return sig_table[i].number;
|
|
return -1;
|
|
}
|
|
|
|
#if SYS_SIGLIST_MISSING
|
|
/* Print to standard error the name of SIGNAL, preceded by MESSAGE and
|
|
a colon, and followed by a newline. */
|
|
void
|
|
psignal (signal, message)
|
|
unsigned signal;
|
|
CONST char *message;
|
|
{
|
|
if (signal <= 0 || signal >= NSIG)
|
|
fprintf (stderr, "%s: unknown signal", message);
|
|
else
|
|
fprintf (stderr, "%s: %s\n", message, sys_siglist[signal]);
|
|
}
|
|
#endif /* SYS_SIGLIST_MISSING */
|
|
|
|
void
|
|
_initialize_signame ()
|
|
{
|
|
init_sigs ();
|
|
}
|