309 	struct dwarf_cie *cie = NULL;  in dwarf_lookup_cie()  local
319 		cie = cached_cie;  in dwarf_lookup_cie()
330 			cie = cie_tmp;  in dwarf_lookup_cie()
343 	return cie;  in dwarf_lookup_cie()
401 				   struct dwarf_cie *cie,  in dwarf_cfa_execute_insns()  argument
423 			delta *= cie->code_alignment_factor;  in dwarf_cfa_execute_insns()
431 			offset *= cie->data_alignment_factor;  in dwarf_cfa_execute_insns()
452 			frame->pc += delta * cie->code_alignment_factor;  in dwarf_cfa_execute_insns()
457 			frame->pc += delta * cie->code_alignment_factor;  in dwarf_cfa_execute_insns()
462 			frame->pc += delta * cie->code_alignment_factor;  in dwarf_cfa_execute_insns()
469 			offset *= cie->data_alignment_factor;  in dwarf_cfa_execute_insns()
517 			offset *= cie->data_alignment_factor;  in dwarf_cfa_execute_insns()
526 			offset *= cie->data_alignment_factor;  in dwarf_cfa_execute_insns()
539 			offset *= cie->data_alignment_factor;  in dwarf_cfa_execute_insns()
581 	struct dwarf_cie *cie;  in dwarf_unwind_stack()  local
656 	cie = dwarf_lookup_cie(fde->cie_pointer);  in dwarf_unwind_stack()
661 	dwarf_cfa_execute_insns(cie->initial_instructions,  in dwarf_unwind_stack()
662 				cie->instructions_end, cie, fde,  in dwarf_unwind_stack()
666 	dwarf_cfa_execute_insns(fde->instructions, fde->end, cie,  in dwarf_unwind_stack()
742 	struct dwarf_cie *cie;  in dwarf_parse_cie()  local
746 	cie = kzalloc(sizeof(*cie), GFP_KERNEL);  in dwarf_parse_cie()
747 	if (!cie)  in dwarf_parse_cie()
750 	cie->length = len;  in dwarf_parse_cie()
758 	cie->cie_pointer = (unsigned long)entry;  in dwarf_parse_cie()
760 	cie->version = *(char *)p++;  in dwarf_parse_cie()
761 	UNWINDER_BUG_ON(cie->version != 1);  in dwarf_parse_cie()
763 	cie->augmentation = p;  in dwarf_parse_cie()
764 	p += strlen(cie->augmentation) + 1;  in dwarf_parse_cie()
766 	count = dwarf_read_uleb128(p, &cie->code_alignment_factor);  in dwarf_parse_cie()
769 	count = dwarf_read_leb128(p, &cie->data_alignment_factor);  in dwarf_parse_cie()
776 	if (cie->version == 1) {  in dwarf_parse_cie()
777 		cie->return_address_reg = __raw_readb(p);  in dwarf_parse_cie()
780 		count = dwarf_read_uleb128(p, &cie->return_address_reg);  in dwarf_parse_cie()
784 	if (cie->augmentation[0] == 'z') {  in dwarf_parse_cie()
786 		cie->flags |= DWARF_CIE_Z_AUGMENTATION;  in dwarf_parse_cie()
793 		cie->initial_instructions = p + length;  in dwarf_parse_cie()
794 		cie->augmentation++;  in dwarf_parse_cie()
797 	while (*cie->augmentation) {  in dwarf_parse_cie()
802 		if (*cie->augmentation == 'L') {  in dwarf_parse_cie()
804 			cie->augmentation++;  in dwarf_parse_cie()
805 		} else if (*cie->augmentation == 'R') {  in dwarf_parse_cie()
811 			cie->encoding = *(char *)p++;  in dwarf_parse_cie()
812 			cie->augmentation++;  in dwarf_parse_cie()
813 		} else if (*cie->augmentation == 'P') {  in dwarf_parse_cie()
820 		} else if (*cie->augmentation == 'S') {  in dwarf_parse_cie()
827 			p = cie->initial_instructions;  in dwarf_parse_cie()
833 	cie->initial_instructions = p;  in dwarf_parse_cie()
834 	cie->instructions_end = end;  in dwarf_parse_cie()
846 		if (cie->cie_pointer < cie_tmp->cie_pointer)  in dwarf_parse_cie()
848 		else if (cie->cie_pointer >= cie_tmp->cie_pointer)  in dwarf_parse_cie()
854 	rb_link_node(&cie->node, parent, rb_node);  in dwarf_parse_cie()
855 	rb_insert_color(&cie->node, &cie_root);  in dwarf_parse_cie()
859 		list_add_tail(&cie->link, &mod->arch.cie_list);  in dwarf_parse_cie()
874 	struct dwarf_cie *cie;  in dwarf_parse_fde()  local
891 	cie = dwarf_lookup_cie(fde->cie_pointer);  in dwarf_parse_fde()
892 	fde->cie = cie;  in dwarf_parse_fde()
894 	if (cie->encoding)  in dwarf_parse_fde()
896 						 cie->encoding);  in dwarf_parse_fde()
902 	if (cie->encoding)  in dwarf_parse_fde()
904 						 cie->encoding & 0x0f);  in dwarf_parse_fde()
910 	if (fde->cie->flags & DWARF_CIE_Z_AUGMENTATION) {  in dwarf_parse_fde()
999 	struct dwarf_cie *cie, *next_cie;  in dwarf_unwinder_cleanup()  local
1009 	rbtree_postorder_for_each_entry_safe(cie, next_cie, &cie_root, node)  in dwarf_unwinder_cleanup()
1010 		kfree(cie);  in dwarf_unwinder_cleanup()
1137 	struct dwarf_cie *cie, *ctmp;  in module_dwarf_cleanup()  local
1142 	list_for_each_entry_safe(cie, ctmp, &mod->arch.cie_list, link) {  in module_dwarf_cleanup()
1143 		list_del(&cie->link);  in module_dwarf_cleanup()
1144 		rb_erase(&cie->node, &cie_root);  in module_dwarf_cleanup()
1145 		kfree(cie);  in module_dwarf_cleanup()