1 /* 2 * Declare directives for structure packing. No padding will be provided 3 * between the members of packed structures, and therefore, there is no 4 * guarantee that structure members will be aligned. 5 * 6 * Declaring packed structures is compiler specific. In order to handle all 7 * cases, packed structures should be delared as: 8 * 9 * #include <packed_section_start.h> 10 * 11 * typedef BWL_PRE_PACKED_STRUCT struct foobar_t { 12 * some_struct_members; 13 * } BWL_POST_PACKED_STRUCT foobar_t; 14 * 15 * #include <packed_section_end.h> 16 * 17 * 18 * Copyright (C) 2020, Broadcom. 19 * 20 * Unless you and Broadcom execute a separate written software license 21 * agreement governing use of this software, this software is licensed to you 22 * under the terms of the GNU General Public License version 2 (the "GPL"), 23 * available at http://www.broadcom.com/licenses/GPLv2.php, with the 24 * following added to such license: 25 * 26 * As a special exception, the copyright holders of this software give you 27 * permission to link this software with independent modules, and to copy and 28 * distribute the resulting executable under terms of your choice, provided that 29 * you also meet, for each linked independent module, the terms and conditions of 30 * the license of that module. An independent module is a module which is not 31 * derived from this software. The special exception does not apply to any 32 * modifications of the software. 33 * 34 * 35 * <<Broadcom-WL-IPTag/Dual:>> 36 */ 37 38 /* Error check - BWL_PACKED_SECTION is defined in packed_section_start.h 39 * and undefined in packed_section_end.h. If it is NOT defined at this 40 * point, then there is a missing include of packed_section_start.h. 41 */ 42 #ifdef BWL_PACKED_SECTION 43 #undef BWL_PACKED_SECTION 44 #else 45 #error "BWL_PACKED_SECTION is NOT defined!" 46 #endif 47 48 #if defined(_MSC_VER) 49 #pragma warning(disable:4103) 50 #pragma pack(pop) 51 #endif 52 53 #if defined(__GNUC__) && defined(EFI) 54 #pragma pack(pop) 55 #endif 56 57 /* Compiler-specific directives for structure packing are declared in 58 * packed_section_start.h. This marks the end of the structure packing section, 59 * so, undef them here. 60 */ 61 #undef BWL_PRE_PACKED_STRUCT 62 #undef BWL_POST_PACKED_STRUCT 63