of stack (or otherwise hosed). If we don't check frame size,
we loop forever if we see a zero size frame. */
if (PROC_FRAME_REG (proc_desc) == SP_REGNUM
- && PROC_FRAME_OFFSET (proc_desc) == 0)
+ && PROC_FRAME_OFFSET (proc_desc) == 0
+ /* Frameless functions, which can happen on the innermost frame
+ or a frame which was innermost when a signal happened, can
+ have frame size zero. No need to check for non-frameless
+ functions in these situations, though (I don't think). */
+ && frame->next != NULL
+ && !frame->next->signal_handler_caller)
return 0;
else
return read_next_frame_reg(frame, PROC_FRAME_REG(proc_desc))