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+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+; Copyright(c) 2011-2016 Intel Corporation All rights reserved.
+;
+; Redistribution and use in source and binary forms, with or without
+; modification, are permitted provided that the following conditions
+; are met:
+; * Redistributions of source code must retain the above copyright
+; notice, this list of conditions and the following disclaimer.
+; * Redistributions in binary form must reproduce the above copyright
+; notice, this list of conditions and the following disclaimer in
+; the documentation and/or other materials provided with the
+; distribution.
+; * Neither the name of Intel Corporation nor the names of its
+; contributors may be used to endorse or promote products derived
+; from this software without specific prior written permission.
+;
+; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+; "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+; LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+; A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+; OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+; SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+; LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+; DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+; THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+; (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+; OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+
+; Macros for defining data structures
+
+; Usage example
+
+;START_FIELDS ; JOB_AES
+;;; name size align
+;FIELD _plaintext, 8, 8 ; pointer to plaintext
+;FIELD _ciphertext, 8, 8 ; pointer to ciphertext
+;FIELD _IV, 16, 8 ; IV
+;FIELD _keys, 8, 8 ; pointer to keys
+;FIELD _len, 4, 4 ; length in bytes
+;FIELD _status, 4, 4 ; status enumeration
+;FIELD _user_data, 8, 8 ; pointer to user data
+;UNION _union, size1, align1, \
+ size2, align2, \
+ size3, align3, \
+ ...
+;END_FIELDS
+;%assign _JOB_AES_size _FIELD_OFFSET
+;%assign _JOB_AES_align _STRUCT_ALIGN
+
+%ifndef _DATASTRUCT_ASM_
+%define _DATASTRUCT_ASM_
+
+;; START_FIELDS
+%macro START_FIELDS 0
+%assign _FIELD_OFFSET 0
+%assign _STRUCT_ALIGN 0
+%endm
+
+;; FIELD name size align
+%macro FIELD 3
+%define %%name %1
+%define %%size %2
+%define %%align %3
+
+%assign _FIELD_OFFSET (_FIELD_OFFSET + (%%align) - 1) & (~ ((%%align)-1))
+%%name equ _FIELD_OFFSET
+%assign _FIELD_OFFSET _FIELD_OFFSET + (%%size)
+%if (%%align > _STRUCT_ALIGN)
+%assign _STRUCT_ALIGN %%align
+%endif
+%endm
+
+;; END_FIELDS
+%macro END_FIELDS 0
+%assign _FIELD_OFFSET (_FIELD_OFFSET + _STRUCT_ALIGN-1) & (~ (_STRUCT_ALIGN-1))
+%endm
+
+%endif ; end ifdef _DATASTRUCT_ASM_