arch/um/os-Linux/user_syms.c

   1 #include "linux/types.h"
   2 #include "linux/module.h"
   3
   4 /* Some of this are builtin function (some are not but could in the future),
   5  * so I *must* declare good prototypes for them and then EXPORT them.
   6  * The kernel code uses the macro defined by include/linux/string.h,
   7  * so I undef macros; the userspace code does not include that and I
   8  * add an EXPORT for the glibc one.
   9  */
  10
  11 #undef strlen
  12 #undef strstr
  13 #undef memcpy
  14 #undef memset
  15
  16 extern size_t strlen(const char *);
  17 extern void *memcpy(void *, const void *, size_t);
  18 extern void *memmove(void *, const void *, size_t);
  19 extern void *memset(void *, int, size_t);
  20 extern int printf(const char *, ...);
  21
  22 /* If it's not defined, the export is included in lib/string.c.*/
  23 #ifdef __HAVE_ARCH_STRSTR
  24 EXPORT_SYMBOL(strstr);
  25 #endif
  26
  27 EXPORT_SYMBOL(memcpy);
  28 EXPORT_SYMBOL(memmove);
  29 EXPORT_SYMBOL(memset);
  30 EXPORT_SYMBOL(printf);
  31
  32 /* Here, instead, I can provide a fake prototype. Yes, someone cares: genksyms.
  33  * However, the modules will use the CRC defined *here*, no matter if it is
  34  * good; so the versions of these symbols will always match
  35  */
  36 #define EXPORT_SYMBOL_PROTO(sym)       \
  37        int sym(void);                  \
  38        EXPORT_SYMBOL(sym);
  39
  40 extern void readdir64(void) __attribute__((weak));
  41 EXPORT_SYMBOL(readdir64);
  42 extern void truncate64(void) __attribute__((weak));
  43 EXPORT_SYMBOL(truncate64);
  44
  45 #ifdef SUBARCH_i386
  46 EXPORT_SYMBOL(vsyscall_ehdr);
  47 EXPORT_SYMBOL(vsyscall_end);
  48 #endif
  49
  50 EXPORT_SYMBOL_PROTO(__errno_location);
  51
  52 EXPORT_SYMBOL_PROTO(access);
  53 EXPORT_SYMBOL_PROTO(open);
  54 EXPORT_SYMBOL_PROTO(open64);
  55 EXPORT_SYMBOL_PROTO(close);
  56 EXPORT_SYMBOL_PROTO(read);
  57 EXPORT_SYMBOL_PROTO(write);
  58 EXPORT_SYMBOL_PROTO(dup2);
  59 EXPORT_SYMBOL_PROTO(__xstat);
  60 EXPORT_SYMBOL_PROTO(__lxstat);
  61 EXPORT_SYMBOL_PROTO(__lxstat64);
  62 EXPORT_SYMBOL_PROTO(__fxstat64);
  63 EXPORT_SYMBOL_PROTO(lseek);
  64 EXPORT_SYMBOL_PROTO(lseek64);
  65 EXPORT_SYMBOL_PROTO(chown);
  66 EXPORT_SYMBOL_PROTO(fchown);
  67 EXPORT_SYMBOL_PROTO(truncate);
  68 EXPORT_SYMBOL_PROTO(ftruncate64);
  69 EXPORT_SYMBOL_PROTO(utime);
  70 EXPORT_SYMBOL_PROTO(utimes);
  71 EXPORT_SYMBOL_PROTO(futimes);
  72 EXPORT_SYMBOL_PROTO(chmod);
  73 EXPORT_SYMBOL_PROTO(fchmod);
  74 EXPORT_SYMBOL_PROTO(rename);
  75 EXPORT_SYMBOL_PROTO(__xmknod);
  76
  77 EXPORT_SYMBOL_PROTO(symlink);
  78 EXPORT_SYMBOL_PROTO(link);
  79 EXPORT_SYMBOL_PROTO(unlink);
  80 EXPORT_SYMBOL_PROTO(readlink);
  81
  82 EXPORT_SYMBOL_PROTO(mkdir);
  83 EXPORT_SYMBOL_PROTO(rmdir);
  84 EXPORT_SYMBOL_PROTO(opendir);
  85 EXPORT_SYMBOL_PROTO(readdir);
  86 EXPORT_SYMBOL_PROTO(closedir);
  87 EXPORT_SYMBOL_PROTO(seekdir);
  88 EXPORT_SYMBOL_PROTO(telldir);
  89
  90 EXPORT_SYMBOL_PROTO(ioctl);
  91
  92 EXPORT_SYMBOL_PROTO(pread64);
  93 EXPORT_SYMBOL_PROTO(pwrite64);
  94
  95 EXPORT_SYMBOL_PROTO(statfs);
  96 EXPORT_SYMBOL_PROTO(statfs64);
  97
  98 EXPORT_SYMBOL_PROTO(getuid);
  99
 100 EXPORT_SYMBOL_PROTO(fsync);
 101 EXPORT_SYMBOL_PROTO(fdatasync);
 102
 103 /* Export symbols used by GCC for the stack protector. */
 104 extern void __stack_smash_handler(void *) __attribute__((weak));
 105 EXPORT_SYMBOL(__stack_smash_handler);
 106
 107 extern long __guard __attribute__((weak));
 108 EXPORT_SYMBOL(__guard);