src/share/vm/prims/jvmtiClassFileReconstituter.cpp

rev 4134 : 7178145: Change constMethodOop::_exception_table to optionally inlined u2 table.
Summary: Change constMethodOop::_exception_table to optionally inlined u2 table.
Reviewed-by: bdelsart, coleenp, kamg

*** 189,222 ****
        //   }
        attr_size += 2 + 4 + 2 + local_variable_table_length * (2 + 2 + 2 + 2 + 2);
      }
    }
  
!   typeArrayHandle exception_table(thread(), const_method->exception_table());
!   int exception_table_length = exception_table->length();
!   int exception_table_entries = exception_table_length / 4;
    int code_size = const_method->code_size();
    int size =
      2+2+4 +                                // max_stack, max_locals, code_length
      code_size +                            // code
      2 +                                    // exception_table_length
!     (2+2+2+2) * exception_table_entries +  // exception_table
      2 +                                    // attributes_count
      attr_size;                             // attributes
  
    write_attribute_name_index("Code");
    write_u4(size);
    write_u2(method->max_stack());
    write_u2(method->max_locals());
    write_u4(code_size);
    copy_bytecodes(method, (unsigned char*)writeable_address(code_size));
!   write_u2(exception_table_entries);
!   for (int index = 0; index < exception_table_length; ) {
!     write_u2(exception_table->int_at(index++));
!     write_u2(exception_table->int_at(index++));
!     write_u2(exception_table->int_at(index++));
!     write_u2(exception_table->int_at(index++));
    }
    write_u2(attr_count);
    if (line_num_cnt != 0) {
      write_line_number_table_attribute(method, line_num_cnt);
    }
--- 189,221 ----
        //   }
        attr_size += 2 + 4 + 2 + local_variable_table_length * (2 + 2 + 2 + 2 + 2);
      }
    }
  
!   ExceptionTable exception_table(method());
!   int exception_table_length = exception_table.length();
    int code_size = const_method->code_size();
    int size =
      2+2+4 +                                // max_stack, max_locals, code_length
      code_size +                            // code
      2 +                                    // exception_table_length
!     (2+2+2+2) * exception_table_length +   // exception_table
      2 +                                    // attributes_count
      attr_size;                             // attributes
  
    write_attribute_name_index("Code");
    write_u4(size);
    write_u2(method->max_stack());
    write_u2(method->max_locals());
    write_u4(code_size);
    copy_bytecodes(method, (unsigned char*)writeable_address(code_size));
!   write_u2(exception_table_length);
!   for (int index = 0; index < exception_table_length; index++) {
!     write_u2(exception_table.start_pc(index));
!     write_u2(exception_table.end_pc(index));
!     write_u2(exception_table.handler_pc(index));
!     write_u2(exception_table.catch_type_index(index));
    }
    write_u2(attr_count);
    if (line_num_cnt != 0) {
      write_line_number_table_attribute(method, line_num_cnt);
    }