1.1 --- a/src/dream.h	Tue Nov 06 12:23:25 2007 +0000
     1.2 +++ b/src/dream.h	Wed Nov 07 11:45:53 2007 +0000
     1.3 @@ -1,5 +1,5 @@
     1.4  /**
     1.5 - * $Id: dream.h,v 1.16 2007-10-31 09:10:23 nkeynes Exp $
     1.6 + * $Id: dream.h,v 1.17 2007-11-07 11:45:53 nkeynes Exp $
     1.7   *
     1.8   * Miscellaneous application-wide declarations (mainly logging atm)
     1.9   *
    1.10 @@ -95,6 +95,8 @@
    1.11  void fwrite_dump32( unsigned int *buf, unsigned int length, FILE *f );
    1.12  void fwrite_dump32v( unsigned int *buf, unsigned int length, int wordsPerLine, FILE *f );
    1.13  
    1.14 +void install_crash_handler(void);
    1.15 +
    1.16  gboolean write_png_to_stream( FILE *f, frame_buffer_t );
    1.17  frame_buffer_t read_png_from_stream( FILE *f );
    1.18  

     2.1 --- a/src/main.c	Tue Nov 06 12:23:25 2007 +0000
     2.2 +++ b/src/main.c	Wed Nov 07 11:45:53 2007 +0000
     2.3 @@ -1,5 +1,5 @@
     2.4  /**
     2.5 - * $Id: main.c,v 1.34 2007-10-31 11:53:35 nkeynes Exp $
     2.6 + * $Id: main.c,v 1.35 2007-11-07 11:45:53 nkeynes Exp $
     2.7   *
     2.8   * Main program, initializes dreamcast and gui, then passes control off to
     2.9   * the gtk main loop (currently). 
    2.10 @@ -64,6 +64,8 @@
    2.11  {
    2.12      int opt, i;
    2.13      double t;
    2.14 +
    2.15 +    install_crash_handler();
    2.16  #ifdef ENABLE_NLS
    2.17      bindtextdomain (PACKAGE, PACKAGE_LOCALE_DIR);
    2.18      textdomain (PACKAGE);

     3.1 --- a/src/util.c	Tue Nov 06 12:23:25 2007 +0000
     3.2 +++ b/src/util.c	Wed Nov 07 11:45:53 2007 +0000
     3.3 @@ -1,5 +1,5 @@
     3.4  /**
     3.5 - * $Id: util.c,v 1.12 2007-10-31 12:05:23 nkeynes Exp $
     3.6 + * $Id: util.c,v 1.13 2007-11-07 11:45:53 nkeynes Exp $
     3.7   *
     3.8   * Miscellaneous utility functions.
     3.9   *
    3.10 @@ -16,11 +16,14 @@
    3.11   * GNU General Public License for more details.
    3.12   */
    3.13  
    3.14 +#define HAVE_EXECINFO_H 1
    3.15 +
    3.16  #include <assert.h>
    3.17  #include <ctype.h>
    3.18  #include <stdarg.h>
    3.19  #include <stdio.h>
    3.20  #include <stdlib.h>
    3.21 +#include <signal.h>
    3.22  #include <time.h>
    3.23  #include <zlib.h>
    3.24  #include <glib.h>
    3.25 @@ -31,7 +34,30 @@
    3.26  #include "sh4/sh4core.h"
    3.27  
    3.28  char *msg_levels[] = { "FATAL", "ERROR", "WARN", "INFO", "DEBUG", "TRACE" };
    3.29 -int global_msg_level = EMIT_WARN;
    3.30 +int global_msg_level = EMIT_INFO;
    3.31 +
    3.32 +static void report_crash( int signo, siginfo_t *info, void *ptr )
    3.33 +{
    3.34 +    char buf[128];
    3.35 +
    3.36 +    fprintf( stderr, "--- Aborting with signal %d ---\n", signo );
    3.37 +    // Get gdb to print a nice backtrace for us
    3.38 +    snprintf( buf, 128, "gdb -batch -f --quiet --pid=%d -ex bt", getpid() );
    3.39 +    system(buf);
    3.40 +
    3.41 +    abort();
    3.42 +}
    3.43 +
    3.44 +void install_crash_handler(void)
    3.45 +{
    3.46 +    struct sigaction sa;
    3.47 +
    3.48 +    sa.sa_sigaction = report_crash;
    3.49 +    sigemptyset(&sa.sa_mask);
    3.50 +    sa.sa_flags = SA_RESETHAND|SA_SIGINFO;
    3.51 +    sigaction( SIGSEGV, &sa, NULL );
    3.52 +}
    3.53 +
    3.54  
    3.55  void fwrite_string( const char *s, FILE *f )
    3.56  {