arch/arm32_symbolization

ARM32 architecture-specific rules for symbolization

cinf_ldr_add_pc(EA_ldr:address, Size:unsigned, Reg1:register, LitPoolAddr:address, EA_add_pc:address, Reg2:register)

ldr Reg1, .L0 add add Reg2, Reg1, pc

Uses def_used

• Uses: arch.load_operation, arch.reg_reg_arithmetic_operation, instruction

• Used by: block_needs_splitting_at, cinf_symbol_minus_symbol_candidate_arm, moved_data_label

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

cinf_symbol_minus_symbol_candidate_arm(EA:address, Size:unsigned, Symbol1:address, Symbol2:address, Scale:unsigned, Offset:number)

• Uses: cinf_ldr_add_pc, relocation, symbol

• Used by: labeled_data_candidate, symbol_minus_symbol_candidate

symbol_minus_symbol_litpool_access_pattern(EA:address, Size:unsigned, Symbol1:address, Symbol2:address, Scale:unsigned, EA_litpool_ref:address, EA_def:address, Reg:register, Type:symbol)

Matches instruction patterns that access a symbol-symbol from the literal pool.

(Symbol2-Symbol1)*Scale

EA: The address of the literal pool with the symbol_minus_symbol expression Size: The size of the symbolic expression EA_litpool_ref: The EA referencing the literal pool (EA) EA_def: The address associated with Symbol1 Reg: The register containing Symbol2 Type: Either “LDR” or “AddPC”

• Uses: arch.pc_relative_addr, arch.reg_reg_arithmetic_operation

• Used by: data_object_candidate, data_object_point, labeled_data_candidate, symbol_minus_symbol_from_relocation

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

litpool_symbolic_operand(ea_litpool:address, data_access_size:unsigned, symbol1:address, symbol2:address, ea_def:address, reg_def:register, sym2_size:unsigned)

litpool_symbolic_operand

PC-relative symbolic operand

• Uses: arch.load_operation, instruction, instruction_get_dest_op, instruction_get_src_op, op_indirect_mapped, op_regdirect_contains_reg

• Used by: symbol_minus_symbol, symbolic_data, symbolic_expr_attribute

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

inferred_arch_info(Key:symbol, Value:symbol)

ArchInfo auxdata inferred by the presence of specific instructions or patterns.

• Uses: +disconnected2, +disconnected3, +disconnected4, +disconnected5, +disconnected6, arch_info