1 /* $FreeBSD$ */ 2 /*- 3 * Copyright (c) 2013 Hans Petter Selasky. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27 #ifndef _SYSINIT_H_ 28 #define _SYSINIT_H_ 29 30 struct sysinit_data { 31 uint8_t b_keyword_name[64]; 32 uint8_t b_debug_info[128]; 33 uint8_t b_global_type[128]; 34 uint8_t b_global_name[128]; 35 uint8_t b_file_name[256]; 36 uint32_t dw_endian32; 37 uint32_t dw_msb_value; /* must be non-zero, else entry is skipped */ 38 uint32_t dw_lsb_value; 39 uint32_t dw_file_line; 40 } __attribute__((__packed__)); 41 42 #define SYSINIT_ENTRY(uniq, keyword, msb, lsb, g_type, g_name, debug) \ 43 static const struct sysinit_data sysinit_##uniq \ 44 __attribute__((__section__(".debug.sysinit"), \ 45 __used__, __aligned__(1))) = { \ 46 .b_keyword_name = { keyword }, \ 47 .b_debug_info = { debug }, \ 48 .b_global_type = { g_type }, \ 49 .b_global_name = { g_name }, \ 50 .b_file_name = { __FILE__ }, \ 51 .dw_endian32 = 0x76543210U, \ 52 .dw_msb_value = (msb), \ 53 .dw_lsb_value = (lsb), \ 54 .dw_file_line = __LINE__ \ 55 } 56 57 #endif /* _SYSINIT_H_ */ 58