MonoSymbolFile *
mono_debug_open_mono_symbols (MonoDebugHandle *handle, const uint8_t *raw_contents,
int size, gboolean in_the_debugger)
{
MonoSymbolFile *symfile;
mono_debugger_lock ();
symfile = g_new0 (MonoSymbolFile, 1);
if (raw_contents != NULL) {
unsigned char *p;
symfile->raw_contents_size = size;
symfile->raw_contents = p = (unsigned char *)g_malloc (size);
memcpy (p, raw_contents, size);
symfile->filename = g_strdup_printf ("LoadedFromMemory");
symfile->was_loaded_from_memory = TRUE;
} else {
MonoFileMap *f;
symfile->filename = g_strdup_printf ("%s.mdb", mono_image_get_filename (handle->image));
symfile->was_loaded_from_memory = FALSE;
if ((f = mono_file_map_open (symfile->filename))) {
symfile->raw_contents_size = mono_file_map_size (f);
if (symfile->raw_contents_size == 0) {
if (!in_the_debugger)
g_warning ("stat of %s failed: %s",
symfile->filename, g_strerror (errno));
} else {
symfile->raw_contents = (const unsigned char *)mono_file_map (symfile->raw_contents_size, MONO_MMAP_READ|MONO_MMAP_PRIVATE, mono_file_map_fd (f), 0, &symfile->raw_contents_handle);
}
mono_file_map_close (f);
}
}
if (load_symfile (handle, symfile, in_the_debugger)) {
mono_debugger_unlock ();
return symfile;
} else if (!in_the_debugger) {
mono_debug_close_mono_symbol_file (symfile);
mono_debugger_unlock ();
return NULL;
}
mono_debugger_unlock ();
return symfile;
}
void
trap_init(void)
{
struct sigaction sa, old;
char path[256];
int r;
r = readlink("/proc/self/exe", self, sizeof(self) - 1);
if(r == -1)
self[0] = 0;
else
self[r] = 0;
snprintf(line1, sizeof(line1),
"PRG: Showtime (%s) EXE: %s, CWD: %s ", htsversion_full,
self, getcwd(path, sizeof(path)));
dl_iterate_phdr(callback, NULL);
memset(&sa, 0, sizeof(sa));
sigset_t m;
sigemptyset(&m);
sigaddset(&m, SIGSEGV);
sigaddset(&m, SIGBUS);
sigaddset(&m, SIGILL);
sigaddset(&m, SIGABRT);
sigaddset(&m, SIGFPE);
sa.sa_sigaction = traphandler;
sa.sa_flags = SA_SIGINFO;
sigaction(SIGSEGV, &sa, &old);
sigaction(SIGBUS, &sa, &old);
sigaction(SIGILL, &sa, &old);
sigaction(SIGABRT, &sa, &old);
sigaction(SIGFPE, &sa, &old);
sigprocmask(SIG_UNBLOCK, &m, NULL);
load_symfile();
}
