1*4882a593Smuzhiyun /* 2*4882a593Smuzhiyun * Declare directives for structure packing. No padding will be provided 3*4882a593Smuzhiyun * between the members of packed structures, and therefore, there is no 4*4882a593Smuzhiyun * guarantee that structure members will be aligned. 5*4882a593Smuzhiyun * 6*4882a593Smuzhiyun * Declaring packed structures is compiler specific. In order to handle all 7*4882a593Smuzhiyun * cases, packed structures should be delared as: 8*4882a593Smuzhiyun * 9*4882a593Smuzhiyun * #include <packed_section_start.h> 10*4882a593Smuzhiyun * 11*4882a593Smuzhiyun * typedef BWL_PRE_PACKED_STRUCT struct foobar_t { 12*4882a593Smuzhiyun * some_struct_members; 13*4882a593Smuzhiyun * } BWL_POST_PACKED_STRUCT foobar_t; 14*4882a593Smuzhiyun * 15*4882a593Smuzhiyun * #include <packed_section_end.h> 16*4882a593Smuzhiyun * 17*4882a593Smuzhiyun * 18*4882a593Smuzhiyun * Copyright (C) 2020, Broadcom. 19*4882a593Smuzhiyun * 20*4882a593Smuzhiyun * Unless you and Broadcom execute a separate written software license 21*4882a593Smuzhiyun * agreement governing use of this software, this software is licensed to you 22*4882a593Smuzhiyun * under the terms of the GNU General Public License version 2 (the "GPL"), 23*4882a593Smuzhiyun * available at http://www.broadcom.com/licenses/GPLv2.php, with the 24*4882a593Smuzhiyun * following added to such license: 25*4882a593Smuzhiyun * 26*4882a593Smuzhiyun * As a special exception, the copyright holders of this software give you 27*4882a593Smuzhiyun * permission to link this software with independent modules, and to copy and 28*4882a593Smuzhiyun * distribute the resulting executable under terms of your choice, provided that 29*4882a593Smuzhiyun * you also meet, for each linked independent module, the terms and conditions of 30*4882a593Smuzhiyun * the license of that module. An independent module is a module which is not 31*4882a593Smuzhiyun * derived from this software. The special exception does not apply to any 32*4882a593Smuzhiyun * modifications of the software. 33*4882a593Smuzhiyun * 34*4882a593Smuzhiyun * 35*4882a593Smuzhiyun * <<Broadcom-WL-IPTag/Dual:>> 36*4882a593Smuzhiyun */ 37*4882a593Smuzhiyun 38*4882a593Smuzhiyun /* Error check - BWL_PACKED_SECTION is defined in packed_section_start.h 39*4882a593Smuzhiyun * and undefined in packed_section_end.h. If it is NOT defined at this 40*4882a593Smuzhiyun * point, then there is a missing include of packed_section_start.h. 41*4882a593Smuzhiyun */ 42*4882a593Smuzhiyun #ifdef BWL_PACKED_SECTION 43*4882a593Smuzhiyun #undef BWL_PACKED_SECTION 44*4882a593Smuzhiyun #else 45*4882a593Smuzhiyun #error "BWL_PACKED_SECTION is NOT defined!" 46*4882a593Smuzhiyun #endif 47*4882a593Smuzhiyun 48*4882a593Smuzhiyun #if defined(_MSC_VER) 49*4882a593Smuzhiyun #pragma warning(disable:4103) 50*4882a593Smuzhiyun #pragma pack(pop) 51*4882a593Smuzhiyun #endif 52*4882a593Smuzhiyun 53*4882a593Smuzhiyun #if defined(__GNUC__) && defined(EFI) 54*4882a593Smuzhiyun #pragma pack(pop) 55*4882a593Smuzhiyun #endif 56*4882a593Smuzhiyun 57*4882a593Smuzhiyun /* Compiler-specific directives for structure packing are declared in 58*4882a593Smuzhiyun * packed_section_start.h. This marks the end of the structure packing section, 59*4882a593Smuzhiyun * so, undef them here. 60*4882a593Smuzhiyun */ 61*4882a593Smuzhiyun #undef BWL_PRE_PACKED_STRUCT 62*4882a593Smuzhiyun #undef BWL_POST_PACKED_STRUCT 63