16dbcf2181152a81ab5f3bc5fa765288341a1b7abDmitry Shmidt/* 26dbcf2181152a81ab5f3bc5fa765288341a1b7abDmitry Shmidt * Declare directives for structure packing. No padding will be provided 36dbcf2181152a81ab5f3bc5fa765288341a1b7abDmitry Shmidt * between the members of packed structures, and therefore, there is no 46dbcf2181152a81ab5f3bc5fa765288341a1b7abDmitry Shmidt * guarantee that structure members will be aligned. 56dbcf2181152a81ab5f3bc5fa765288341a1b7abDmitry Shmidt * 66dbcf2181152a81ab5f3bc5fa765288341a1b7abDmitry Shmidt * Declaring packed structures is compiler specific. In order to handle all 76dbcf2181152a81ab5f3bc5fa765288341a1b7abDmitry Shmidt * cases, packed structures should be delared as: 86dbcf2181152a81ab5f3bc5fa765288341a1b7abDmitry Shmidt * 96dbcf2181152a81ab5f3bc5fa765288341a1b7abDmitry Shmidt * #include <packed_section_start.h> 106dbcf2181152a81ab5f3bc5fa765288341a1b7abDmitry Shmidt * 116dbcf2181152a81ab5f3bc5fa765288341a1b7abDmitry Shmidt * typedef BWL_PRE_PACKED_STRUCT struct foobar_t { 126dbcf2181152a81ab5f3bc5fa765288341a1b7abDmitry Shmidt * some_struct_members; 136dbcf2181152a81ab5f3bc5fa765288341a1b7abDmitry Shmidt * } BWL_POST_PACKED_STRUCT foobar_t; 146dbcf2181152a81ab5f3bc5fa765288341a1b7abDmitry Shmidt * 156dbcf2181152a81ab5f3bc5fa765288341a1b7abDmitry Shmidt * #include <packed_section_end.h> 166dbcf2181152a81ab5f3bc5fa765288341a1b7abDmitry Shmidt * 176dbcf2181152a81ab5f3bc5fa765288341a1b7abDmitry Shmidt * 1838eaaf5a34502fe465cf8b6ac7a2dfcafa17ba41Dmitry Shmidt * Copyright (C) 1999-2013, Broadcom Corporation 196dbcf2181152a81ab5f3bc5fa765288341a1b7abDmitry Shmidt * 206dbcf2181152a81ab5f3bc5fa765288341a1b7abDmitry Shmidt * Permission to use, copy, modify, and/or distribute this software for any 216dbcf2181152a81ab5f3bc5fa765288341a1b7abDmitry Shmidt * purpose with or without fee is hereby granted, provided that the above 226dbcf2181152a81ab5f3bc5fa765288341a1b7abDmitry Shmidt * copyright notice and this permission notice appear in all copies. 236dbcf2181152a81ab5f3bc5fa765288341a1b7abDmitry Shmidt * 246dbcf2181152a81ab5f3bc5fa765288341a1b7abDmitry Shmidt * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 256dbcf2181152a81ab5f3bc5fa765288341a1b7abDmitry Shmidt * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 266dbcf2181152a81ab5f3bc5fa765288341a1b7abDmitry Shmidt * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 276dbcf2181152a81ab5f3bc5fa765288341a1b7abDmitry Shmidt * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 286dbcf2181152a81ab5f3bc5fa765288341a1b7abDmitry Shmidt * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION 296dbcf2181152a81ab5f3bc5fa765288341a1b7abDmitry Shmidt * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN 306dbcf2181152a81ab5f3bc5fa765288341a1b7abDmitry Shmidt * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 316dbcf2181152a81ab5f3bc5fa765288341a1b7abDmitry Shmidt * 3238eaaf5a34502fe465cf8b6ac7a2dfcafa17ba41Dmitry Shmidt * $Id: packed_section_end.h 241182 2011-02-17 21:50:03Z $ 336dbcf2181152a81ab5f3bc5fa765288341a1b7abDmitry Shmidt */ 346dbcf2181152a81ab5f3bc5fa765288341a1b7abDmitry Shmidt 356dbcf2181152a81ab5f3bc5fa765288341a1b7abDmitry Shmidt 3638eaaf5a34502fe465cf8b6ac7a2dfcafa17ba41Dmitry Shmidt/* Error check - BWL_PACKED_SECTION is defined in packed_section_start.h 3738eaaf5a34502fe465cf8b6ac7a2dfcafa17ba41Dmitry Shmidt * and undefined in packed_section_end.h. If it is NOT defined at this 3838eaaf5a34502fe465cf8b6ac7a2dfcafa17ba41Dmitry Shmidt * point, then there is a missing include of packed_section_start.h. 3938eaaf5a34502fe465cf8b6ac7a2dfcafa17ba41Dmitry Shmidt */ 406dbcf2181152a81ab5f3bc5fa765288341a1b7abDmitry Shmidt#ifdef BWL_PACKED_SECTION 416dbcf2181152a81ab5f3bc5fa765288341a1b7abDmitry Shmidt #undef BWL_PACKED_SECTION 426dbcf2181152a81ab5f3bc5fa765288341a1b7abDmitry Shmidt#else 436dbcf2181152a81ab5f3bc5fa765288341a1b7abDmitry Shmidt #error "BWL_PACKED_SECTION is NOT defined!" 446dbcf2181152a81ab5f3bc5fa765288341a1b7abDmitry Shmidt#endif 456dbcf2181152a81ab5f3bc5fa765288341a1b7abDmitry Shmidt 466dbcf2181152a81ab5f3bc5fa765288341a1b7abDmitry Shmidt 476dbcf2181152a81ab5f3bc5fa765288341a1b7abDmitry Shmidt 486dbcf2181152a81ab5f3bc5fa765288341a1b7abDmitry Shmidt 4938eaaf5a34502fe465cf8b6ac7a2dfcafa17ba41Dmitry Shmidt/* Compiler-specific directives for structure packing are declared in 5038eaaf5a34502fe465cf8b6ac7a2dfcafa17ba41Dmitry Shmidt * packed_section_start.h. This marks the end of the structure packing section, 5138eaaf5a34502fe465cf8b6ac7a2dfcafa17ba41Dmitry Shmidt * so, undef them here. 5238eaaf5a34502fe465cf8b6ac7a2dfcafa17ba41Dmitry Shmidt */ 536dbcf2181152a81ab5f3bc5fa765288341a1b7abDmitry Shmidt#undef BWL_PRE_PACKED_STRUCT 546dbcf2181152a81ab5f3bc5fa765288341a1b7abDmitry Shmidt#undef BWL_POST_PACKED_STRUCT 55