db_stack_trace_print
db_stack_trace_print(tf->tf_fixreg[1], true, 40, "", printf);
db_stack_trace_print(
db_stack_trace_print(addr, have_addr, count, modif, pr);
void db_stack_trace_print(db_expr_t, bool, db_expr_t, const char *,
db_stack_trace_print(addr, have_addr, c, m, pr))
db_stack_trace_print(\
db_stack_trace_print((db_expr_t)(intptr_t)ptr, true, 32, "a", pr);