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Dump backtraces to an arbitrary stream

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This commit is contained in:
Nobuyoshi Nakada 2023-08-01 03:04:42 +09:00
parent acd44902b9
commit ac244938e8
9 changed files with 265 additions and 236 deletions
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25
vm_backtrace.c
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@ -71,7 +71,7 @@ calc_pos(const rb_iseq_t *iseq, const VALUE *pc, int *lineno, int *node_id)
#if VMDEBUG && defined(HAVE_BUILTIN___BUILTIN_TRAP)
else {
/* SDR() is not possible; that causes infinite loop. */
rb_print_backtrace();
rb_print_backtrace(stderr);
__builtin_trap();
}
#endif
@ -1003,31 +1003,38 @@ vm_backtrace_print(FILE *fp)
&arg);
}
struct oldbt_bugreport_arg {
FILE *fp;
int count;
};
static void
oldbt_bugreport(void *arg, VALUE file, int line, VALUE method)
{
struct oldbt_bugreport_arg *p = arg;
FILE *fp = p->fp;
const char *filename = NIL_P(file) ? "ruby" : RSTRING_PTR(file);
if (!*(int *)arg) {
fprintf(stderr, "-- Ruby level backtrace information "
if (!p->count) {
fprintf(fp, "-- Ruby level backtrace information "
"----------------------------------------\n");
*(int *)arg = 1;
p->count = 1;
}
if (NIL_P(method)) {
fprintf(stderr, "%s:%d:in unknown method\n", filename, line);
fprintf(fp, "%s:%d:in unknown method\n", filename, line);
}
else {
fprintf(stderr, "%s:%d:in `%s'\n", filename, line, RSTRING_PTR(method));
fprintf(fp, "%s:%d:in `%s'\n", filename, line, RSTRING_PTR(method));
}
}
void
rb_backtrace_print_as_bugreport(void)
rb_backtrace_print_as_bugreport(FILE *fp)
{
struct oldbt_arg arg;
int i = 0;
struct oldbt_bugreport_arg barg = {fp, 0};
arg.func = oldbt_bugreport;
arg.data = (int *)&i;
arg.data = &barg;
backtrace_each(GET_EC(),
oldbt_init,