122823ab4SAl Viro #ifndef __ASM_GENERIC_EXPORT_H 222823ab4SAl Viro #define __ASM_GENERIC_EXPORT_H 322823ab4SAl Viro 422823ab4SAl Viro #ifndef KSYM_FUNC 522823ab4SAl Viro #define KSYM_FUNC(x) x 622823ab4SAl Viro #endif 7ed13fc33SMatthias Maennich #ifdef CONFIG_HAVE_ARCH_PREL32_RELOCATIONS 822823ab4SAl Viro #define KSYM_ALIGN 4 9ed13fc33SMatthias Maennich #elif defined(CONFIG_64BIT) 10ed13fc33SMatthias Maennich #define KSYM_ALIGN 8 11ed13fc33SMatthias Maennich #else 12ed13fc33SMatthias Maennich #define KSYM_ALIGN 4 1371810db2SArd Biesheuvel #endif 1422823ab4SAl Viro #ifndef KCRC_ALIGN 1522823ab4SAl Viro #define KCRC_ALIGN 4 1622823ab4SAl Viro #endif 1722823ab4SAl Viro 187290d580SArd Biesheuvel .macro __put, val, name 197290d580SArd Biesheuvel #ifdef CONFIG_HAVE_ARCH_PREL32_RELOCATIONS 20*8651ec01SMatthias Maennich .long \val - ., \name - ., 0 - . 217290d580SArd Biesheuvel #elif defined(CONFIG_64BIT) 22*8651ec01SMatthias Maennich .quad \val, \name, 0 237290d580SArd Biesheuvel #else 24*8651ec01SMatthias Maennich .long \val, \name, 0 257290d580SArd Biesheuvel #endif 267290d580SArd Biesheuvel .endm 277290d580SArd Biesheuvel 2822823ab4SAl Viro /* 2922823ab4SAl Viro * note on .section use: @progbits vs %progbits nastiness doesn't matter, 3022823ab4SAl Viro * since we immediately emit into those sections anyway. 3122823ab4SAl Viro */ 3222823ab4SAl Viro .macro ___EXPORT_SYMBOL name,val,sec 3322823ab4SAl Viro #ifdef CONFIG_MODULES 3494e58e0aSMasahiro Yamada .globl __ksymtab_\name 3522823ab4SAl Viro .section ___ksymtab\sec+\name,"a" 3622823ab4SAl Viro .balign KSYM_ALIGN 3794e58e0aSMasahiro Yamada __ksymtab_\name: 3894e58e0aSMasahiro Yamada __put \val, __kstrtab_\name 3922823ab4SAl Viro .previous 4022823ab4SAl Viro .section __ksymtab_strings,"a" 4194e58e0aSMasahiro Yamada __kstrtab_\name: 4222823ab4SAl Viro .asciz "\name" 4322823ab4SAl Viro .previous 4422823ab4SAl Viro #ifdef CONFIG_MODVERSIONS 4522823ab4SAl Viro .section ___kcrctab\sec+\name,"a" 4622823ab4SAl Viro .balign KCRC_ALIGN 4794e58e0aSMasahiro Yamada __kcrctab_\name: 4871810db2SArd Biesheuvel #if defined(CONFIG_MODULE_REL_CRCS) 4994e58e0aSMasahiro Yamada .long __crc_\name - . 5071810db2SArd Biesheuvel #else 5194e58e0aSMasahiro Yamada .long __crc_\name 5271810db2SArd Biesheuvel #endif 5394e58e0aSMasahiro Yamada .weak __crc_\name 5422823ab4SAl Viro .previous 5522823ab4SAl Viro #endif 5622823ab4SAl Viro #endif 5722823ab4SAl Viro .endm 5822823ab4SAl Viro #undef __put 5922823ab4SAl Viro 60bbda5ec6SMasahiro Yamada #if defined(CONFIG_TRIM_UNUSED_KSYMS) 6122823ab4SAl Viro 6222823ab4SAl Viro #include <linux/kconfig.h> 6322823ab4SAl Viro #include <generated/autoksyms.h> 6422823ab4SAl Viro 65bbda5ec6SMasahiro Yamada .macro __ksym_marker sym 66bbda5ec6SMasahiro Yamada .section ".discard.ksym","a" 67bbda5ec6SMasahiro Yamada __ksym_marker_\sym: 68bbda5ec6SMasahiro Yamada .previous 69bbda5ec6SMasahiro Yamada .endm 70bbda5ec6SMasahiro Yamada 7122823ab4SAl Viro #define __EXPORT_SYMBOL(sym, val, sec) \ 72bbda5ec6SMasahiro Yamada __ksym_marker sym; \ 73c0a0aba8SMasahiro Yamada __cond_export_sym(sym, val, sec, __is_defined(__KSYM_##sym)) 7422823ab4SAl Viro #define __cond_export_sym(sym, val, sec, conf) \ 7522823ab4SAl Viro ___cond_export_sym(sym, val, sec, conf) 7622823ab4SAl Viro #define ___cond_export_sym(sym, val, sec, enabled) \ 7722823ab4SAl Viro __cond_export_sym_##enabled(sym, val, sec) 7822823ab4SAl Viro #define __cond_export_sym_1(sym, val, sec) ___EXPORT_SYMBOL sym, val, sec 7922823ab4SAl Viro #define __cond_export_sym_0(sym, val, sec) /* nothing */ 8022823ab4SAl Viro 8122823ab4SAl Viro #else 8222823ab4SAl Viro #define __EXPORT_SYMBOL(sym, val, sec) ___EXPORT_SYMBOL sym, val, sec 8322823ab4SAl Viro #endif 8422823ab4SAl Viro 8522823ab4SAl Viro #define EXPORT_SYMBOL(name) \ 8694e58e0aSMasahiro Yamada __EXPORT_SYMBOL(name, KSYM_FUNC(name),) 8722823ab4SAl Viro #define EXPORT_SYMBOL_GPL(name) \ 8894e58e0aSMasahiro Yamada __EXPORT_SYMBOL(name, KSYM_FUNC(name), _gpl) 8922823ab4SAl Viro #define EXPORT_DATA_SYMBOL(name) \ 9094e58e0aSMasahiro Yamada __EXPORT_SYMBOL(name, name,) 9122823ab4SAl Viro #define EXPORT_DATA_SYMBOL_GPL(name) \ 9294e58e0aSMasahiro Yamada __EXPORT_SYMBOL(name, name,_gpl) 9322823ab4SAl Viro 9422823ab4SAl Viro #endif 95