11bb92983SJerome Forissier /* SPDX-License-Identifier: BSD-2-Clause */ 29fa130bfSJens Wiklander /* 39fa130bfSJens Wiklander * Copyright (c) 2015, Linaro Limited 49fa130bfSJens Wiklander */ 59fa130bfSJens Wiklander #ifndef KEEP_H 69fa130bfSJens Wiklander #define KEEP_H 79fa130bfSJens Wiklander 8757331fcSJens Wiklander #ifdef __ASSEMBLER__ 9d6e86abcSJerome Forissier 10d6e86abcSJerome Forissier .macro KEEP_PAGER sym 11d6e86abcSJerome Forissier .pushsection __keep_meta_vars_pager 12b5ca97ccSJens Wiklander .global ____keep_pager_\sym 13b5ca97ccSJens Wiklander ____keep_pager_\sym: 14d6e86abcSJerome Forissier .long \sym 15d6e86abcSJerome Forissier .popsection 16d6e86abcSJerome Forissier .endm 17d6e86abcSJerome Forissier 18d6e86abcSJerome Forissier .macro KEEP_INIT sym 19d6e86abcSJerome Forissier .pushsection __keep_meta_vars_init 20b5ca97ccSJens Wiklander .global ____keep_init_\sym 21b5ca97ccSJens Wiklander ____keep_init_\sym: 22d6e86abcSJerome Forissier .long \sym 23d6e86abcSJerome Forissier .popsection 24d6e86abcSJerome Forissier .endm 25d6e86abcSJerome Forissier 26d6e86abcSJerome Forissier #else 27d6e86abcSJerome Forissier 289fa130bfSJens Wiklander #include <compiler.h> 299fa130bfSJens Wiklander 308d527cd6SJens Wiklander #define __KEEP_PAGER2(sym, file_id) \ 318727ab2eSJens Wiklander extern const unsigned long ____keep_pager_##sym; \ 328d527cd6SJens Wiklander const unsigned long ____keep_pager_##sym##_##file_id \ 33*99f278d9SJerome Forissier __section("__keep_meta_vars_pager") = (unsigned long)&(sym) 349fa130bfSJens Wiklander 358d527cd6SJens Wiklander #define __KEEP_PAGER1(sym, file_id) __KEEP_PAGER2(sym, file_id) 368d527cd6SJens Wiklander #define KEEP_PAGER(sym) __KEEP_PAGER1(sym, __FILE_ID__) 378d527cd6SJens Wiklander 388d527cd6SJens Wiklander #define __KEEP_INIT2(sym, file_id) \ 398d527cd6SJens Wiklander extern const unsigned long ____keep_init_##sym##file_id; \ 408d527cd6SJens Wiklander const unsigned long ____keep_init_##sym##_##file_id \ 41*99f278d9SJerome Forissier __section("__keep_meta_vars_init") = (unsigned long)&(sym) 429fa130bfSJens Wiklander 438d527cd6SJens Wiklander #define __KEEP_INIT1(sym, file_id) __KEEP_INIT2(sym, file_id) 448d527cd6SJens Wiklander #define KEEP_INIT(sym) __KEEP_INIT1(sym, __FILE_ID__) 458d527cd6SJens Wiklander 46757331fcSJens Wiklander #endif /* __ASSEMBLER__ */ 47d6e86abcSJerome Forissier 489fa130bfSJens Wiklander #endif /*KEEP_H*/ 49