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 722823ab4SAl Viro #ifdef CONFIG_64BIT 822823ab4SAl Viro #ifndef KSYM_ALIGN 922823ab4SAl Viro #define KSYM_ALIGN 8 1022823ab4SAl Viro #endif 1122823ab4SAl Viro #else 1222823ab4SAl Viro #ifndef KSYM_ALIGN 1322823ab4SAl Viro #define KSYM_ALIGN 4 1422823ab4SAl Viro #endif 1571810db2SArd Biesheuvel #endif 1622823ab4SAl Viro #ifndef KCRC_ALIGN 1722823ab4SAl Viro #define KCRC_ALIGN 4 1822823ab4SAl Viro #endif 1922823ab4SAl Viro 207290d580SArd Biesheuvel .macro __put, val, name 217290d580SArd Biesheuvel #ifdef CONFIG_HAVE_ARCH_PREL32_RELOCATIONS 227290d580SArd Biesheuvel .long \val - ., \name - . 237290d580SArd Biesheuvel #elif defined(CONFIG_64BIT) 247290d580SArd Biesheuvel .quad \val, \name 257290d580SArd Biesheuvel #else 267290d580SArd Biesheuvel .long \val, \name 277290d580SArd Biesheuvel #endif 287290d580SArd Biesheuvel .endm 297290d580SArd Biesheuvel 3022823ab4SAl Viro /* 3122823ab4SAl Viro * note on .section use: @progbits vs %progbits nastiness doesn't matter, 3222823ab4SAl Viro * since we immediately emit into those sections anyway. 3322823ab4SAl Viro */ 3422823ab4SAl Viro .macro ___EXPORT_SYMBOL name,val,sec 3522823ab4SAl Viro #ifdef CONFIG_MODULES 3694e58e0aSMasahiro Yamada .globl __ksymtab_\name 3722823ab4SAl Viro .section ___ksymtab\sec+\name,"a" 3822823ab4SAl Viro .balign KSYM_ALIGN 3994e58e0aSMasahiro Yamada __ksymtab_\name: 4094e58e0aSMasahiro Yamada __put \val, __kstrtab_\name 4122823ab4SAl Viro .previous 4222823ab4SAl Viro .section __ksymtab_strings,"a" 4394e58e0aSMasahiro Yamada __kstrtab_\name: 4422823ab4SAl Viro .asciz "\name" 4522823ab4SAl Viro .previous 4622823ab4SAl Viro #ifdef CONFIG_MODVERSIONS 4722823ab4SAl Viro .section ___kcrctab\sec+\name,"a" 4822823ab4SAl Viro .balign KCRC_ALIGN 4994e58e0aSMasahiro Yamada __kcrctab_\name: 5071810db2SArd Biesheuvel #if defined(CONFIG_MODULE_REL_CRCS) 5194e58e0aSMasahiro Yamada .long __crc_\name - . 5271810db2SArd Biesheuvel #else 5394e58e0aSMasahiro Yamada .long __crc_\name 5471810db2SArd Biesheuvel #endif 5594e58e0aSMasahiro Yamada .weak __crc_\name 5622823ab4SAl Viro .previous 5722823ab4SAl Viro #endif 5822823ab4SAl Viro #endif 5922823ab4SAl Viro .endm 6022823ab4SAl Viro #undef __put 6122823ab4SAl Viro 62*bbda5ec6SMasahiro Yamada #if defined(CONFIG_TRIM_UNUSED_KSYMS) 6322823ab4SAl Viro 6422823ab4SAl Viro #include <linux/kconfig.h> 6522823ab4SAl Viro #include <generated/autoksyms.h> 6622823ab4SAl Viro 67*bbda5ec6SMasahiro Yamada .macro __ksym_marker sym 68*bbda5ec6SMasahiro Yamada .section ".discard.ksym","a" 69*bbda5ec6SMasahiro Yamada __ksym_marker_\sym: 70*bbda5ec6SMasahiro Yamada .previous 71*bbda5ec6SMasahiro Yamada .endm 72*bbda5ec6SMasahiro Yamada 7322823ab4SAl Viro #define __EXPORT_SYMBOL(sym, val, sec) \ 74*bbda5ec6SMasahiro Yamada __ksym_marker sym; \ 75c0a0aba8SMasahiro Yamada __cond_export_sym(sym, val, sec, __is_defined(__KSYM_##sym)) 7622823ab4SAl Viro #define __cond_export_sym(sym, val, sec, conf) \ 7722823ab4SAl Viro ___cond_export_sym(sym, val, sec, conf) 7822823ab4SAl Viro #define ___cond_export_sym(sym, val, sec, enabled) \ 7922823ab4SAl Viro __cond_export_sym_##enabled(sym, val, sec) 8022823ab4SAl Viro #define __cond_export_sym_1(sym, val, sec) ___EXPORT_SYMBOL sym, val, sec 8122823ab4SAl Viro #define __cond_export_sym_0(sym, val, sec) /* nothing */ 8222823ab4SAl Viro 8322823ab4SAl Viro #else 8422823ab4SAl Viro #define __EXPORT_SYMBOL(sym, val, sec) ___EXPORT_SYMBOL sym, val, sec 8522823ab4SAl Viro #endif 8622823ab4SAl Viro 8722823ab4SAl Viro #define EXPORT_SYMBOL(name) \ 8894e58e0aSMasahiro Yamada __EXPORT_SYMBOL(name, KSYM_FUNC(name),) 8922823ab4SAl Viro #define EXPORT_SYMBOL_GPL(name) \ 9094e58e0aSMasahiro Yamada __EXPORT_SYMBOL(name, KSYM_FUNC(name), _gpl) 9122823ab4SAl Viro #define EXPORT_DATA_SYMBOL(name) \ 9294e58e0aSMasahiro Yamada __EXPORT_SYMBOL(name, name,) 9322823ab4SAl Viro #define EXPORT_DATA_SYMBOL_GPL(name) \ 9494e58e0aSMasahiro Yamada __EXPORT_SYMBOL(name, name,_gpl) 9522823ab4SAl Viro 9622823ab4SAl Viro #endif 97