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- --- a/include/asm-generic/vmlinux.lds.h
- +++ b/include/asm-generic/vmlinux.lds.h
- @@ -52,6 +52,27 @@
- #define LOAD_OFFSET 0
- #endif
-
- +#ifndef SYMTAB_KEEP_STR
- +#define SYMTAB_KEEP_STR *(__ksymtab_strings+*)
- +#define SYMTAB_DISCARD_STR
- +#else
- +#define SYMTAB_DISCARD_STR *(__ksymtab_strings+*)
- +#endif
- +
- +#ifndef SYMTAB_KEEP
- +#define SYMTAB_KEEP *(SORT(___ksymtab+*))
- +#define SYMTAB_DISCARD
- +#else
- +#define SYMTAB_DISCARD *(SORT(___ksymtab+*))
- +#endif
- +
- +#ifndef SYMTAB_KEEP_GPL
- +#define SYMTAB_KEEP_GPL *(SORT(___ksymtab_gpl+*))
- +#define SYMTAB_DISCARD_GPL
- +#else
- +#define SYMTAB_DISCARD_GPL *(SORT(___ksymtab_gpl+*))
- +#endif
- +
- #ifndef SYMBOL_PREFIX
- #define VMLINUX_SYMBOL(sym) sym
- #else
- @@ -276,14 +297,14 @@
- /* Kernel symbol table: Normal symbols */ \
- __ksymtab : AT(ADDR(__ksymtab) - LOAD_OFFSET) { \
- VMLINUX_SYMBOL(__start___ksymtab) = .; \
- - *(SORT(___ksymtab+*)) \
- + SYMTAB_KEEP \
- VMLINUX_SYMBOL(__stop___ksymtab) = .; \
- } \
- \
- /* Kernel symbol table: GPL-only symbols */ \
- __ksymtab_gpl : AT(ADDR(__ksymtab_gpl) - LOAD_OFFSET) { \
- VMLINUX_SYMBOL(__start___ksymtab_gpl) = .; \
- - *(SORT(___ksymtab_gpl+*)) \
- + SYMTAB_KEEP_GPL \
- VMLINUX_SYMBOL(__stop___ksymtab_gpl) = .; \
- } \
- \
- @@ -345,7 +366,7 @@
- \
- /* Kernel symbol table: strings */ \
- __ksymtab_strings : AT(ADDR(__ksymtab_strings) - LOAD_OFFSET) { \
- - *(__ksymtab_strings) \
- + SYMTAB_KEEP_STR \
- } \
- \
- /* __*init sections */ \
- @@ -677,6 +698,9 @@
- EXIT_TEXT \
- EXIT_DATA \
- EXIT_CALL \
- + SYMTAB_DISCARD \
- + SYMTAB_DISCARD_GPL \
- + SYMTAB_DISCARD_STR \
- *(.discard) \
- *(.discard.*) \
- }
- --- a/include/linux/module.h
- +++ b/include/linux/module.h
- @@ -230,12 +230,19 @@ struct module_use {
- #define __CRC_SYMBOL(sym, sec)
- #endif
-
- +#ifdef MODULE
- +#define __EXPORT_SUFFIX(sym)
- +#else
- +#define __EXPORT_SUFFIX(sym) "+" #sym
- +#endif
- +
- /* For every exported symbol, place a struct in the __ksymtab section */
- #define __EXPORT_SYMBOL(sym, sec) \
- extern typeof(sym) sym; \
- __CRC_SYMBOL(sym, sec) \
- static const char __kstrtab_##sym[] \
- - __attribute__((section("__ksymtab_strings"), aligned(1))) \
- + __attribute__((section("__ksymtab_strings" \
- + __EXPORT_SUFFIX(sym)), aligned(1))) \
- = MODULE_SYMBOL_PREFIX #sym; \
- static const struct kernel_symbol __ksymtab_##sym \
- __used \
|
