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

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

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

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

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