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

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

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

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

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