void xbt_ex_setup_backtrace(xbt_ex_t *e) {
#if defined(HAVE_EXECINFO_H) && defined(HAVE_POPEN) && defined(ADDR2LINE)
int i;
void xbt_ex_setup_backtrace(xbt_ex_t *e) {
#if defined(HAVE_EXECINFO_H) && defined(HAVE_POPEN) && defined(ADDR2LINE)
int i;
char **backtrace = backtrace_symbols (e->bt, e->used);
/* To build the commandline of addr2line */
char **backtrace = backtrace_symbols (e->bt, e->used);
/* To build the commandline of addr2line */
/* build the commandline */
curr += sprintf(curr,"%s -f -e %s ",ADDR2LINE,xbt_binary_name);
for (i=0; i<e->used;i++) {
/* retrieve this address */
/* build the commandline */
curr += sprintf(curr,"%s -f -e %s ",ADDR2LINE,xbt_binary_name);
for (i=0; i<e->used;i++) {
/* retrieve this address */
snprintf(buff,256,"%s",strchr(backtrace[i],'[')+1);
p=strchr(buff,']');
*p='\0';
snprintf(buff,256,"%s",strchr(backtrace[i],'[')+1);
p=strchr(buff,']');
*p='\0';
- addrs[i]=bprintf("%s",buff);
-
+ if (strcmp(buff,"(nil)"))
+ addrs[i]=bprintf("%s", buff);
+ else
+ addrs[i]=bprintf("0x0");
+ DEBUG3("Set up a new address: %d, '%s'(%p)", i, addrs[i], addrs[i]);
+
/* Add it to the command line args */
curr+=sprintf(curr,"%s ",addrs[i]);
}
/* Add it to the command line args */
curr+=sprintf(curr,"%s ",addrs[i]);
}
/* parse the output and build a new backtrace */
e->bt_strings = xbt_new(char*,e->used);
/* parse the output and build a new backtrace */
e->bt_strings = xbt_new(char*,e->used);
fgets(line_func,1024,pipe);
line_func[strlen(line_func)-1]='\0';
fgets(line_pos,1024,pipe);
line_pos[strlen(line_pos)-1]='\0';
if (strcmp("??",line_func)) {
fgets(line_func,1024,pipe);
line_func[strlen(line_func)-1]='\0';
fgets(line_pos,1024,pipe);
line_pos[strlen(line_pos)-1]='\0';
if (strcmp("??",line_func)) {
- e->bt_strings[i] = bprintf("** In %s() at %s (static symbol)", line_func,line_pos);
+ DEBUG2("Found static symbol %s() at %s", line_func, line_pos);
+ e->bt_strings[i] = bprintf("** In %s() at %s", line_func,line_pos);
/* Here we go, fire an addr2line up */
subcmd = bprintf("%s -f -e %s %s",ADDR2LINE,p, addrs[i]);
/* Here we go, fire an addr2line up */
subcmd = bprintf("%s -f -e %s %s",ADDR2LINE,p, addrs[i]);
/* check whether the trick worked */
if (strcmp("??",line_func)) {
/* check whether the trick worked */
if (strcmp("??",line_func)) {
- e->bt_strings[i] = bprintf("** In %s() at %s (dynamic symbol)", line_func,line_pos);
+ DEBUG2("Found dynamic symbol %s() at %s", line_func, line_pos);
+ e->bt_strings[i] = bprintf("** In %s() at %s", line_func,line_pos);
+
+ /* Mask the bottom of the stack */
+ if (!strncmp("main",line_func,strlen("main"))) {
+ int j;
+ for (j=i+1; j<e->used; j++)
+ free(addrs[j]);
+ e->used = i+1;
+ }
+
+ if (!strncmp("__context_wrapper",line_func,strlen("__context_wrapper"))) {
+ int j;
+ for (j=i+1; j<e->used; j++)
+ free(addrs[j]);
+ e->used = i;
+ }
+
+
-ex_ctx_cb_t __xbt_ex_ctx = &__xbt_ex_ctx_default;
-ex_term_cb_t __xbt_ex_terminate = &__xbt_ex_terminate_default;
+XBT_PUBLIC_DATA(ex_ctx_cb_t) __xbt_ex_ctx = &__xbt_ex_ctx_default;
+XBT_PUBLIC_DATA(ex_term_cb_t) __xbt_ex_terminate = &__xbt_ex_terminate_default;
+