bsd/kern/kdebug.c

225 stack_snapshot2(pid_t pid, user_addr_t tracebuf, uint32_t tracebuf_size, uint32_t flags, uint32_t dispatch_offset, int32_t *retval);
228 kdp_snapshot_preflight(int pid, void  *tracebuf, uint32_t tracebuf_size, uint32_t flags, uint32_t dispatch_offset);
2371  *		     uap->tracebuf_size - size of the user space trace buffer
2391 	return stack_snapshot2(uap->pid, uap->tracebuf, uap->tracebuf_size,
2396 stack_snapshot2(pid_t pid, user_addr_t tracebuf, uint32_t tracebuf_size, uint32_t flags, uint32_t dispatch_offset, int32_t *retval)
2406 	if ((tracebuf_size <= 0) || (tracebuf_size > SANE_TRACEBUF_SIZE)) {
2412 	if (kmem_alloc_kobject(kernel_map, (vm_offset_t *)&stackshot_snapbuf, tracebuf_size) != KERN_SUCCESS) {
2424 	kdp_snapshot_preflight(pid, stackshot_snapbuf, tracebuf_size, flags, dispatch_offset);
2438 			((bytesTraced < tracebuf_size) ?
2439 			    bytesTraced : tracebuf_size))))
2457 		kmem_free(kernel_map, (vm_offset_t) stackshot_snapbuf, tracebuf_size);