relative_jump_tables

take_address(Src:address, Address_taken:address)

This module deals exclusively with detecting jump tables with relative addresses.

Uses: instruction, pc_relative_operand

Used by: jump_table_element_access, relative_address_start

relative_address(EA:address, Size:unsigned, TableStart:address, Reference:address, Dest:address, DestIsFirstOrSecond:symbol)

relative_address_start(EA:address, Size:unsigned, Reference:address, Dest:address, DestIsFirstOrSecond:symbol)

jump_table_element_access(EA:address, Size:unsigned, TableStart:address, RegIndex:register)

jump_table_signed(TableStart:address, Signed:unsigned)

Find sign extensions of the jump table element.

Uses: arch.extend_reg, arch.register_size_bytes, instruction_get_dest_op, instruction_get_src_op, op_regdirect, reg_map

Used by: relative_jump_table_entry

Recursive: invalid, __agg_single6, next_block_in_byte_interval, must_fallthrough, split_load_for_symbolization, block_points, relative_address_start, split_load_point, possible_target, block_instruction_next, self_contained_segment, data_access, __agg_subclause7, unresolved_block_overlap, reg_def_use.ambiguous_block_last_def, stack_def_use.live_var_used_in_block, split_load_total_points, likely_fallthrough, stack_def_use.block_last_def, code_in_block, const_value_reg_used, possible_target_from, arm_jump_table_data_block, block_heuristic, symbolic_expr_from_relocation, flags_and_jump_pair, litpool_boundaries, block_limit, got_relative_operand, simple_data_access_pattern, block_implies_block, discarded_block, contains_plausible_instr_seq, split_load_candidate, next_function_entry_initial, gp_relative_operand, wis_schedule, arm_jump_table_data_block_limit, contains_implausible_instr_seq, value_reg_limit, arm_jump_table_cmp_limit, block_overlap, overlapping_instruction, arm_jump_table_skip_first_entry, function_inference.function_entry_initial, inter_procedural_edge, jump_table_element_access, stack_def_use.live_var_at_block_end, data_segment, reg_used_for, arch.extend_load, transition_block_limit, straight_line_def_used, unlikely_have_symbolic_immediate, relative_address, relocation_adjustment_total, stack_def_use.def_used, reg_def_use.block_last_def, symbol_minus_symbol_litpool_access_pattern, jump_table_signed, __agg_single2, stack_def_use.last_def_in_block, value_reg_unsupported, relative_jump_table_entry_candidate, last_value_reg_limit, jump_table_candidate, nop_in_padding_candidate, no_value_reg_limit, negative_block_heuristic, init_symbol_minus_symbol_candidate_arm, next_start, __agg_subclause4, compare_and_jump_immediate, may_fallthrough, indexed_pc_relative_load, branch_to_calculated_pc_rel_addr, candidate_block_is_padding, jump_table_prelude, is_padding, __agg_subclause6, litpool_symbolic_operand, no_return_call_propagated, adjusts_stack_in_block, unresolved_block, reg_def_use.ref_in_block, block_last_instruction, block, reg_has_got, litpool_confidence, block_candidate_dependency_edge, segment_target_range, next_end, data_in_code_propagate, reg_def_use.used_in_block, reg_def_use.used, reg_def_use.last_def_in_block, arm_jump_table_block_instruction, __agg_subclause2, tls_get_addr, wis_prior, def_used_for_address, jump_table_target, initialized_data_segment, reg_def_use.live_var_def, __agg_subclause3, split_load_operand, call_tls_get_addr, instruction_memory_access_size, relocation_adjustment, reg_def_use.return_val_used, basic_target, fallthrough_over_padding, call_tls_get_addr_mips, hi_load_prop, padding_block_limit, compare_and_jump_indirect_op_valid, __agg_single3, tls_relative_operand_mips, block_points_proportional, __agg_single10, reg_reg_arithmetic_operation_defs, arm_jump_table_block_start, adrp_used, after_end, init_ldr_add_pc, base_relative_operand, plt_block, known_block, start_function, cinf_ldr_add_pc, tls_desc_call, call_may_fallthrough_inter, common_tail, no_return_call_refined, incomplete_block, base_relative_jump, block_next, overlap_with_litpool, reg_def_use.ambiguous_last_def_in_block, stack_def_use.live_var_used, wis_schedule_iter, first_block_in_byte_interval, reg_def_use.def_used, split_load, no_return_block, value_reg, reg_def_use.live_var_used, code_in_block_candidate, wis_memo, call_target_has_other_fallthrough_inter, correlated_live_reg, cmp_reg_to_reg, reg_def_use.flow_def, arm_jump_table_candidate_start, block_boundaries, indefinite_litpool_ref, reg_def_use.return_block_end, compare_and_jump_register, resolved_reaches, data_block_candidate, block_candidate_boundaries, cmp_defines, unresolved_interval, reg_def_use.live_var_at_block_end, padding_block_candidate, straight_line_last_def, wis_has_prior, reg_def_use.defined_in_block, unresolved_interval_order, block_total_points, next_type, stack_def_use.defined_in_block, data_block_limit, inferred_main_in_reg, candidate_block_is_not_padding, arm_jump_table_candidate, arch.reg_relative_load, stack_def_use.used_in_block, inferred_main_dispatch, code_in_block_candidate_refined, local_dynamic_tls_candidate, jump_table_start, impossible_block, stack_def_use.live_var_def, split_load_conflict, invalid_jump_table_candidate, litpool_ref, data_in_code, stack_def_use.live_var_at_prior_used, value_reg_edge, jump_table_max, base_relative_operation, composite_data_access_candidate, stack_def_use.ref_in_block, indexed_pc_relative_load_relative, discarded_split_load, stack_base_reg_move, reg_has_base_image, compare_and_jump_indirect, plt_entry, arch.simple_data_load, jump_table_candidate_refined, reg_def_use.live_var_at_prior_used, no_return_call, initial_function_containing_return

jump_table_max(TableStart:address, TableEnd:address)

The end of a jump table as identified by a boundary value of the index register.

Used by: relative_jump_table_entry

Recursive: invalid, __agg_single6, next_block_in_byte_interval, must_fallthrough, split_load_for_symbolization, block_points, relative_address_start, split_load_point, possible_target, block_instruction_next, self_contained_segment, data_access, __agg_subclause7, unresolved_block_overlap, reg_def_use.ambiguous_block_last_def, stack_def_use.live_var_used_in_block, split_load_total_points, likely_fallthrough, stack_def_use.block_last_def, code_in_block, const_value_reg_used, possible_target_from, arm_jump_table_data_block, block_heuristic, symbolic_expr_from_relocation, flags_and_jump_pair, litpool_boundaries, block_limit, got_relative_operand, simple_data_access_pattern, block_implies_block, discarded_block, contains_plausible_instr_seq, split_load_candidate, next_function_entry_initial, gp_relative_operand, wis_schedule, arm_jump_table_data_block_limit, contains_implausible_instr_seq, value_reg_limit, arm_jump_table_cmp_limit, block_overlap, overlapping_instruction, arm_jump_table_skip_first_entry, function_inference.function_entry_initial, inter_procedural_edge, jump_table_element_access, stack_def_use.live_var_at_block_end, data_segment, reg_used_for, arch.extend_load, transition_block_limit, straight_line_def_used, unlikely_have_symbolic_immediate, relative_address, relocation_adjustment_total, stack_def_use.def_used, reg_def_use.block_last_def, symbol_minus_symbol_litpool_access_pattern, jump_table_signed, __agg_single2, stack_def_use.last_def_in_block, value_reg_unsupported, relative_jump_table_entry_candidate, last_value_reg_limit, jump_table_candidate, nop_in_padding_candidate, no_value_reg_limit, negative_block_heuristic, init_symbol_minus_symbol_candidate_arm, next_start, __agg_subclause4, compare_and_jump_immediate, may_fallthrough, indexed_pc_relative_load, branch_to_calculated_pc_rel_addr, candidate_block_is_padding, jump_table_prelude, is_padding, __agg_subclause6, litpool_symbolic_operand, no_return_call_propagated, adjusts_stack_in_block, unresolved_block, reg_def_use.ref_in_block, block_last_instruction, block, reg_has_got, litpool_confidence, block_candidate_dependency_edge, segment_target_range, next_end, data_in_code_propagate, reg_def_use.used_in_block, reg_def_use.used, reg_def_use.last_def_in_block, arm_jump_table_block_instruction, __agg_subclause2, tls_get_addr, wis_prior, def_used_for_address, jump_table_target, initialized_data_segment, reg_def_use.live_var_def, __agg_subclause3, split_load_operand, call_tls_get_addr, instruction_memory_access_size, relocation_adjustment, reg_def_use.return_val_used, basic_target, fallthrough_over_padding, call_tls_get_addr_mips, hi_load_prop, padding_block_limit, compare_and_jump_indirect_op_valid, __agg_single3, tls_relative_operand_mips, block_points_proportional, __agg_single10, reg_reg_arithmetic_operation_defs, arm_jump_table_block_start, adrp_used, after_end, init_ldr_add_pc, base_relative_operand, plt_block, known_block, start_function, cinf_ldr_add_pc, tls_desc_call, call_may_fallthrough_inter, common_tail, no_return_call_refined, incomplete_block, base_relative_jump, block_next, overlap_with_litpool, reg_def_use.ambiguous_last_def_in_block, stack_def_use.live_var_used, wis_schedule_iter, first_block_in_byte_interval, reg_def_use.def_used, split_load, no_return_block, value_reg, reg_def_use.live_var_used, code_in_block_candidate, wis_memo, call_target_has_other_fallthrough_inter, correlated_live_reg, cmp_reg_to_reg, reg_def_use.flow_def, arm_jump_table_candidate_start, block_boundaries, indefinite_litpool_ref, reg_def_use.return_block_end, compare_and_jump_register, resolved_reaches, data_block_candidate, block_candidate_boundaries, cmp_defines, unresolved_interval, reg_def_use.live_var_at_block_end, padding_block_candidate, straight_line_last_def, wis_has_prior, reg_def_use.defined_in_block, unresolved_interval_order, block_total_points, next_type, stack_def_use.defined_in_block, data_block_limit, inferred_main_in_reg, candidate_block_is_not_padding, arm_jump_table_candidate, arch.reg_relative_load, stack_def_use.used_in_block, inferred_main_dispatch, code_in_block_candidate_refined, local_dynamic_tls_candidate, jump_table_start, impossible_block, stack_def_use.live_var_def, split_load_conflict, invalid_jump_table_candidate, litpool_ref, data_in_code, stack_def_use.live_var_at_prior_used, value_reg_edge, jump_table_max, base_relative_operation, composite_data_access_candidate, stack_def_use.ref_in_block, indexed_pc_relative_load_relative, discarded_split_load, stack_base_reg_move, reg_has_base_image, compare_and_jump_indirect, plt_entry, arch.simple_data_load, jump_table_candidate_refined, reg_def_use.live_var_at_prior_used, no_return_call, initial_function_containing_return

jump_table_start(EA_jump:address, Size:unsigned, TableStart:address, TableRef:address, Scale:number)

A jump table begins at TableStart.

Uses: arch.reg_reg_arithmetic_operation, base_address, got_reference_pointer, instruction, reg_call, reg_jump

Used by: data_object_point, discarded_jump_table_entry, missed_jump_table, resolved_transfer, value_reg_address_before

Recursive: invalid, __agg_single6, next_block_in_byte_interval, must_fallthrough, split_load_for_symbolization, block_points, relative_address_start, split_load_point, possible_target, block_instruction_next, self_contained_segment, data_access, __agg_subclause7, unresolved_block_overlap, reg_def_use.ambiguous_block_last_def, stack_def_use.live_var_used_in_block, split_load_total_points, likely_fallthrough, stack_def_use.block_last_def, code_in_block, const_value_reg_used, possible_target_from, arm_jump_table_data_block, block_heuristic, symbolic_expr_from_relocation, flags_and_jump_pair, litpool_boundaries, block_limit, got_relative_operand, simple_data_access_pattern, block_implies_block, discarded_block, contains_plausible_instr_seq, split_load_candidate, next_function_entry_initial, gp_relative_operand, wis_schedule, arm_jump_table_data_block_limit, contains_implausible_instr_seq, value_reg_limit, arm_jump_table_cmp_limit, block_overlap, overlapping_instruction, arm_jump_table_skip_first_entry, function_inference.function_entry_initial, inter_procedural_edge, jump_table_element_access, stack_def_use.live_var_at_block_end, data_segment, reg_used_for, arch.extend_load, transition_block_limit, straight_line_def_used, unlikely_have_symbolic_immediate, relative_address, relocation_adjustment_total, stack_def_use.def_used, reg_def_use.block_last_def, symbol_minus_symbol_litpool_access_pattern, jump_table_signed, __agg_single2, stack_def_use.last_def_in_block, value_reg_unsupported, relative_jump_table_entry_candidate, last_value_reg_limit, jump_table_candidate, nop_in_padding_candidate, no_value_reg_limit, negative_block_heuristic, init_symbol_minus_symbol_candidate_arm, next_start, __agg_subclause4, compare_and_jump_immediate, may_fallthrough, indexed_pc_relative_load, branch_to_calculated_pc_rel_addr, candidate_block_is_padding, jump_table_prelude, is_padding, __agg_subclause6, litpool_symbolic_operand, no_return_call_propagated, adjusts_stack_in_block, unresolved_block, reg_def_use.ref_in_block, block_last_instruction, block, reg_has_got, litpool_confidence, block_candidate_dependency_edge, segment_target_range, next_end, data_in_code_propagate, reg_def_use.used_in_block, reg_def_use.used, reg_def_use.last_def_in_block, arm_jump_table_block_instruction, __agg_subclause2, tls_get_addr, wis_prior, def_used_for_address, jump_table_target, initialized_data_segment, reg_def_use.live_var_def, __agg_subclause3, split_load_operand, call_tls_get_addr, instruction_memory_access_size, relocation_adjustment, reg_def_use.return_val_used, basic_target, fallthrough_over_padding, call_tls_get_addr_mips, hi_load_prop, padding_block_limit, compare_and_jump_indirect_op_valid, __agg_single3, tls_relative_operand_mips, block_points_proportional, __agg_single10, reg_reg_arithmetic_operation_defs, arm_jump_table_block_start, adrp_used, after_end, init_ldr_add_pc, base_relative_operand, plt_block, known_block, start_function, cinf_ldr_add_pc, tls_desc_call, call_may_fallthrough_inter, common_tail, no_return_call_refined, incomplete_block, base_relative_jump, block_next, overlap_with_litpool, reg_def_use.ambiguous_last_def_in_block, stack_def_use.live_var_used, wis_schedule_iter, first_block_in_byte_interval, reg_def_use.def_used, split_load, no_return_block, value_reg, reg_def_use.live_var_used, code_in_block_candidate, wis_memo, call_target_has_other_fallthrough_inter, correlated_live_reg, cmp_reg_to_reg, reg_def_use.flow_def, arm_jump_table_candidate_start, block_boundaries, indefinite_litpool_ref, reg_def_use.return_block_end, compare_and_jump_register, resolved_reaches, data_block_candidate, block_candidate_boundaries, cmp_defines, unresolved_interval, reg_def_use.live_var_at_block_end, padding_block_candidate, straight_line_last_def, wis_has_prior, reg_def_use.defined_in_block, unresolved_interval_order, block_total_points, next_type, stack_def_use.defined_in_block, data_block_limit, inferred_main_in_reg, candidate_block_is_not_padding, arm_jump_table_candidate, arch.reg_relative_load, stack_def_use.used_in_block, inferred_main_dispatch, code_in_block_candidate_refined, local_dynamic_tls_candidate, jump_table_start, impossible_block, stack_def_use.live_var_def, split_load_conflict, invalid_jump_table_candidate, litpool_ref, data_in_code, stack_def_use.live_var_at_prior_used, value_reg_edge, jump_table_max, base_relative_operation, composite_data_access_candidate, stack_def_use.ref_in_block, indexed_pc_relative_load_relative, discarded_split_load, stack_base_reg_move, reg_has_base_image, compare_and_jump_indirect, plt_entry, arch.simple_data_load, jump_table_candidate_refined, reg_def_use.live_var_at_prior_used, no_return_call, initial_function_containing_return

relative_jump_table_entry_target(EA:address, TableStart:address, Size:unsigned, Reference:address, Dest:address, Scale:number)

Calculate the target for a relative jump table entry.

WARNING: Predicate not present in compiled Datalog program (Dead Code)

relative_jump_table_entry_candidate(EA:address, TableStart:address, Size:unsigned, Reference:address, Dest:address, Scale:number, Offset:number)

An entry in a relative jump table of the form (Dest-Reference)/Scale

These are generated during value analysis, and referenced by value analysis, so cannot negate any results of value analysis.

Some of these are discarded to form relative_jump_table_entry, which is used by symbolization.

Uses: loaded_section, symbol

Used by: discarded_jump_table_entry, relative_jump_table_entry

Recursive: invalid, __agg_single6, next_block_in_byte_interval, must_fallthrough, split_load_for_symbolization, block_points, relative_address_start, split_load_point, possible_target, block_instruction_next, self_contained_segment, data_access, __agg_subclause7, unresolved_block_overlap, reg_def_use.ambiguous_block_last_def, stack_def_use.live_var_used_in_block, split_load_total_points, likely_fallthrough, stack_def_use.block_last_def, code_in_block, const_value_reg_used, possible_target_from, arm_jump_table_data_block, block_heuristic, symbolic_expr_from_relocation, flags_and_jump_pair, litpool_boundaries, block_limit, got_relative_operand, simple_data_access_pattern, block_implies_block, discarded_block, contains_plausible_instr_seq, split_load_candidate, next_function_entry_initial, gp_relative_operand, wis_schedule, arm_jump_table_data_block_limit, contains_implausible_instr_seq, value_reg_limit, arm_jump_table_cmp_limit, block_overlap, overlapping_instruction, arm_jump_table_skip_first_entry, function_inference.function_entry_initial, inter_procedural_edge, jump_table_element_access, stack_def_use.live_var_at_block_end, data_segment, reg_used_for, arch.extend_load, transition_block_limit, straight_line_def_used, unlikely_have_symbolic_immediate, relative_address, relocation_adjustment_total, stack_def_use.def_used, reg_def_use.block_last_def, symbol_minus_symbol_litpool_access_pattern, jump_table_signed, __agg_single2, stack_def_use.last_def_in_block, value_reg_unsupported, relative_jump_table_entry_candidate, last_value_reg_limit, jump_table_candidate, nop_in_padding_candidate, no_value_reg_limit, negative_block_heuristic, init_symbol_minus_symbol_candidate_arm, next_start, __agg_subclause4, compare_and_jump_immediate, may_fallthrough, indexed_pc_relative_load, branch_to_calculated_pc_rel_addr, candidate_block_is_padding, jump_table_prelude, is_padding, __agg_subclause6, litpool_symbolic_operand, no_return_call_propagated, adjusts_stack_in_block, unresolved_block, reg_def_use.ref_in_block, block_last_instruction, block, reg_has_got, litpool_confidence, block_candidate_dependency_edge, segment_target_range, next_end, data_in_code_propagate, reg_def_use.used_in_block, reg_def_use.used, reg_def_use.last_def_in_block, arm_jump_table_block_instruction, __agg_subclause2, tls_get_addr, wis_prior, def_used_for_address, jump_table_target, initialized_data_segment, reg_def_use.live_var_def, __agg_subclause3, split_load_operand, call_tls_get_addr, instruction_memory_access_size, relocation_adjustment, reg_def_use.return_val_used, basic_target, fallthrough_over_padding, call_tls_get_addr_mips, hi_load_prop, padding_block_limit, compare_and_jump_indirect_op_valid, __agg_single3, tls_relative_operand_mips, block_points_proportional, __agg_single10, reg_reg_arithmetic_operation_defs, arm_jump_table_block_start, adrp_used, after_end, init_ldr_add_pc, base_relative_operand, plt_block, known_block, start_function, cinf_ldr_add_pc, tls_desc_call, call_may_fallthrough_inter, common_tail, no_return_call_refined, incomplete_block, base_relative_jump, block_next, overlap_with_litpool, reg_def_use.ambiguous_last_def_in_block, stack_def_use.live_var_used, wis_schedule_iter, first_block_in_byte_interval, reg_def_use.def_used, split_load, no_return_block, value_reg, reg_def_use.live_var_used, code_in_block_candidate, wis_memo, call_target_has_other_fallthrough_inter, correlated_live_reg, cmp_reg_to_reg, reg_def_use.flow_def, arm_jump_table_candidate_start, block_boundaries, indefinite_litpool_ref, reg_def_use.return_block_end, compare_and_jump_register, resolved_reaches, data_block_candidate, block_candidate_boundaries, cmp_defines, unresolved_interval, reg_def_use.live_var_at_block_end, padding_block_candidate, straight_line_last_def, wis_has_prior, reg_def_use.defined_in_block, unresolved_interval_order, block_total_points, next_type, stack_def_use.defined_in_block, data_block_limit, inferred_main_in_reg, candidate_block_is_not_padding, arm_jump_table_candidate, arch.reg_relative_load, stack_def_use.used_in_block, inferred_main_dispatch, code_in_block_candidate_refined, local_dynamic_tls_candidate, jump_table_start, impossible_block, stack_def_use.live_var_def, split_load_conflict, invalid_jump_table_candidate, litpool_ref, data_in_code, stack_def_use.live_var_at_prior_used, value_reg_edge, jump_table_max, base_relative_operation, composite_data_access_candidate, stack_def_use.ref_in_block, indexed_pc_relative_load_relative, discarded_split_load, stack_base_reg_move, reg_has_base_image, compare_and_jump_indirect, plt_entry, arch.simple_data_load, jump_table_candidate_refined, reg_def_use.live_var_at_prior_used, no_return_call, initial_function_containing_return

discarded_jump_table_entry(TableStart:address, TableRef:address, EA:address)

relative_jump_table_entry(EA:address, TableStart:address, Size:unsigned, Reference:address, Dest:address, Scale:number, Offset:number)

An entry in a relative jump table of the form (Dest-Reference)/Scale.

These are generated after data access analysis, and used for symbolization and final CFG generation. This allows using the final results of value analysis to resolve overlapping jump tables.

Uses: after_end, code_in_block, data_segment, is_padding, jump_table_max, jump_table_signed, relative_jump_table_entry_candidate, symbol

Recursive: symbolic_operand_point, moved_displacement_candidate, symbol_score, data_limit_after_access, address_array, split_block, discarded_data_object, labeled_ea, +disconnected4, next_address_in_data, symbol_minus_symbol_candidate, refined_block, data_object_candidate, data_limit, moved_data_label, moved_label, preferred_data_access, +disconnected6, jump_table, inferred_symbol, moved_pc_relative_candidate, symbolic_data, string_candidate, symbolic_expr_symbol_minus_symbol, data_object_point, symbolic_operand, string_candidate_refined, resolved_transfer, labeled_data_candidate, main_function, code_pointer_in_data, moved_label_candidate, block_needs_splitting_at, label_conflict, address_array_aux, symbolic_operand_attribute, data_object_conflict, block_needs_merging, code_in_refined_block, code_in_split_block, got_reference, inferred_special_symbol, best_func_symbol, best_symexpr_symbol, relative_jump_table_entry, subsequent_string_candidate, value_reg_address_before, data_object_total_points, function_inference.function_entry, next_data_limit, inferred_main_function, symbolic_expr_attribute, data_object, +disconnected1, boundary_sym_expr, +disconnected2, discarded_jump_table_entry, inferred_symbol_mips, after_address_in_data, symbol_minus_symbol, symbolic_expr, symbol_minus_symbol_from_relocation, data_access_limit