 37185b3324
			
		
	
	
	37185b3324
	
	
	
		
			
			Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Richard Weinberger <richard@nod.at>
		
			
				
	
	
		
			120 lines
		
	
	
	
		
			3.2 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			120 lines
		
	
	
	
		
			3.2 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
| #include <linux/types.h>
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| #include <linux/module.h>
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| 
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| /* Some of this are builtin function (some are not but could in the future),
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|  * so I *must* declare good prototypes for them and then EXPORT them.
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|  * The kernel code uses the macro defined by include/linux/string.h,
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|  * so I undef macros; the userspace code does not include that and I
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|  * add an EXPORT for the glibc one.
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|  */
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| 
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| #undef strlen
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| #undef strstr
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| #undef memcpy
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| #undef memset
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| 
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| extern size_t strlen(const char *);
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| extern void *memmove(void *, const void *, size_t);
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| extern void *memset(void *, int, size_t);
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| extern int printf(const char *, ...);
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| 
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| /* If it's not defined, the export is included in lib/string.c.*/
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| #ifdef __HAVE_ARCH_STRSTR
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| EXPORT_SYMBOL(strstr);
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| #endif
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| 
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| #ifndef __x86_64__
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| extern void *memcpy(void *, const void *, size_t);
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| EXPORT_SYMBOL(memcpy);
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| #endif
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| 
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| EXPORT_SYMBOL(memmove);
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| EXPORT_SYMBOL(memset);
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| EXPORT_SYMBOL(printf);
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| 
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| /* Here, instead, I can provide a fake prototype. Yes, someone cares: genksyms.
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|  * However, the modules will use the CRC defined *here*, no matter if it is
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|  * good; so the versions of these symbols will always match
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|  */
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| #define EXPORT_SYMBOL_PROTO(sym)       \
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| 	int sym(void);                  \
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| 	EXPORT_SYMBOL(sym);
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| 
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| extern void readdir64(void) __attribute__((weak));
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| EXPORT_SYMBOL(readdir64);
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| extern void truncate64(void) __attribute__((weak));
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| EXPORT_SYMBOL(truncate64);
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| 
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| #ifdef CONFIG_ARCH_REUSE_HOST_VSYSCALL_AREA
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| EXPORT_SYMBOL(vsyscall_ehdr);
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| EXPORT_SYMBOL(vsyscall_end);
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| #endif
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| 
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| EXPORT_SYMBOL_PROTO(__errno_location);
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| 
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| EXPORT_SYMBOL_PROTO(access);
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| EXPORT_SYMBOL_PROTO(open);
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| EXPORT_SYMBOL_PROTO(open64);
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| EXPORT_SYMBOL_PROTO(close);
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| EXPORT_SYMBOL_PROTO(read);
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| EXPORT_SYMBOL_PROTO(write);
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| EXPORT_SYMBOL_PROTO(dup2);
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| EXPORT_SYMBOL_PROTO(__xstat);
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| EXPORT_SYMBOL_PROTO(__lxstat);
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| EXPORT_SYMBOL_PROTO(__lxstat64);
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| EXPORT_SYMBOL_PROTO(__fxstat64);
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| EXPORT_SYMBOL_PROTO(lseek);
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| EXPORT_SYMBOL_PROTO(lseek64);
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| EXPORT_SYMBOL_PROTO(chown);
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| EXPORT_SYMBOL_PROTO(fchown);
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| EXPORT_SYMBOL_PROTO(truncate);
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| EXPORT_SYMBOL_PROTO(ftruncate64);
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| EXPORT_SYMBOL_PROTO(utime);
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| EXPORT_SYMBOL_PROTO(utimes);
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| EXPORT_SYMBOL_PROTO(futimes);
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| EXPORT_SYMBOL_PROTO(chmod);
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| EXPORT_SYMBOL_PROTO(fchmod);
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| EXPORT_SYMBOL_PROTO(rename);
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| EXPORT_SYMBOL_PROTO(__xmknod);
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| 
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| EXPORT_SYMBOL_PROTO(symlink);
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| EXPORT_SYMBOL_PROTO(link);
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| EXPORT_SYMBOL_PROTO(unlink);
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| EXPORT_SYMBOL_PROTO(readlink);
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| 
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| EXPORT_SYMBOL_PROTO(mkdir);
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| EXPORT_SYMBOL_PROTO(rmdir);
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| EXPORT_SYMBOL_PROTO(opendir);
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| EXPORT_SYMBOL_PROTO(readdir);
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| EXPORT_SYMBOL_PROTO(closedir);
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| EXPORT_SYMBOL_PROTO(seekdir);
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| EXPORT_SYMBOL_PROTO(telldir);
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| 
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| EXPORT_SYMBOL_PROTO(ioctl);
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| 
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| EXPORT_SYMBOL_PROTO(pread64);
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| EXPORT_SYMBOL_PROTO(pwrite64);
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| 
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| EXPORT_SYMBOL_PROTO(statfs);
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| EXPORT_SYMBOL_PROTO(statfs64);
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| 
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| EXPORT_SYMBOL_PROTO(getuid);
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| 
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| EXPORT_SYMBOL_PROTO(fsync);
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| EXPORT_SYMBOL_PROTO(fdatasync);
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| 
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| EXPORT_SYMBOL_PROTO(lstat64);
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| EXPORT_SYMBOL_PROTO(fstat64);
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| EXPORT_SYMBOL_PROTO(mknod);
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| 
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| /* Export symbols used by GCC for the stack protector. */
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| extern void __stack_smash_handler(void *) __attribute__((weak));
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| EXPORT_SYMBOL(__stack_smash_handler);
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| 
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| extern long __guard __attribute__((weak));
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| EXPORT_SYMBOL(__guard);
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| 
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| #ifdef _FORTIFY_SOURCE
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| extern int __sprintf_chk(char *str, int flag, size_t strlen, const char *format);
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| EXPORT_SYMBOL(__sprintf_chk);
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| #endif
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