/* * Declare directives for structure packing. No padding will be provided * between the members of packed structures, and therefore, there is no * guarantee that structure members will be aligned. * * Declaring packed structures is compiler specific. In order to handle all * cases, packed structures should be delared as: * * #include <packed_section_start.h> * * typedef BWL_PRE_PACKED_STRUCT struct foobar_t { * some_struct_members; * } BWL_POST_PACKED_STRUCT foobar_t; * * #include <packed_section_end.h> * * * Copyright (C) 1999-2013, Broadcom Corporation * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. * * $Id: packed_section_start.h 286783 2011-09-29 06:18:57Z $ */ /* Error check - BWL_PACKED_SECTION is defined in packed_section_start.h * and undefined in packed_section_end.h. If it is already defined at this * point, then there is a missing include of packed_section_end.h. */ #ifdef BWL_PACKED_SECTION #error "BWL_PACKED_SECTION is already defined!" #else #define BWL_PACKED_SECTION #endif /* Declare compiler-specific directives for structure packing. */ #if defined(__GNUC__) || defined(__lint) #define BWL_PRE_PACKED_STRUCT #define BWL_POST_PACKED_STRUCT __attribute__ ((packed)) #elif defined(__CC_ARM) #define BWL_PRE_PACKED_STRUCT __packed #define BWL_POST_PACKED_STRUCT #else #error "Unknown compiler!" #endif