/* 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. */ /* ARGSUSED */ 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 (); }