1.1 --- a/src/util.c	Wed Oct 31 12:05:23 2007 +0000
     1.2 +++ b/src/util.c	Thu Nov 08 11:53:56 2007 +0000
     1.3 @@ -1,5 +1,5 @@
     1.4  /**
     1.5 - * $Id: util.c,v 1.12 2007-10-31 12:05:23 nkeynes Exp $
     1.6 + * $Id: util.c,v 1.13 2007-11-07 11:45:53 nkeynes Exp $
     1.7   *
     1.8   * Miscellaneous utility functions.
     1.9   *
    1.10 @@ -16,11 +16,14 @@
    1.11   * GNU General Public License for more details.
    1.12   */
    1.13  
    1.14 +#define HAVE_EXECINFO_H 1
    1.15 +
    1.16  #include <assert.h>
    1.17  #include <ctype.h>
    1.18  #include <stdarg.h>
    1.19  #include <stdio.h>
    1.20  #include <stdlib.h>
    1.21 +#include <signal.h>
    1.22  #include <time.h>
    1.23  #include <zlib.h>
    1.24  #include <glib.h>
    1.25 @@ -31,7 +34,30 @@
    1.26  #include "sh4/sh4core.h"
    1.27  
    1.28  char *msg_levels[] = { "FATAL", "ERROR", "WARN", "INFO", "DEBUG", "TRACE" };
    1.29 -int global_msg_level = EMIT_WARN;
    1.30 +int global_msg_level = EMIT_INFO;
    1.31 +
    1.32 +static void report_crash( int signo, siginfo_t *info, void *ptr )
    1.33 +{
    1.34 +    char buf[128];
    1.35 +
    1.36 +    fprintf( stderr, "--- Aborting with signal %d ---\n", signo );
    1.37 +    // Get gdb to print a nice backtrace for us
    1.38 +    snprintf( buf, 128, "gdb -batch -f --quiet --pid=%d -ex bt", getpid() );
    1.39 +    system(buf);
    1.40 +
    1.41 +    abort();
    1.42 +}
    1.43 +
    1.44 +void install_crash_handler(void)
    1.45 +{
    1.46 +    struct sigaction sa;
    1.47 +
    1.48 +    sa.sa_sigaction = report_crash;
    1.49 +    sigemptyset(&sa.sa_mask);
    1.50 +    sa.sa_flags = SA_RESETHAND|SA_SIGINFO;
    1.51 +    sigaction( SIGSEGV, &sa, NULL );
    1.52 +}
    1.53 +
    1.54  
    1.55  void fwrite_string( const char *s, FILE *f )
    1.56  {