arch/um/kernel/user_syms.c

   1 #include <stdio.h>
   2 #include <unistd.h>
   3 #include <fcntl.h>
   4 #include <dirent.h>
   5 #include <errno.h>
   6 #include <utime.h>
   7 #include <string.h>
   8 #include <sys/stat.h>
   9 #include <sys/vfs.h>
  10 #include <sys/ioctl.h>
  11 #include "user_util.h"
  12 #include "mem_user.h"
  13 #include "uml-config.h"
  14
  15 /* Had to steal this from linux/module.h because that file can't be included
  16  * since this includes various user-level headers.
  17  */
  18
  19 struct module_symbol
  20 {
  21         unsigned long value;
  22         const char *name;
  23 };
  24
  25 /* Indirect stringification.  */
  26
  27 #define __MODULE_STRING_1(x)    #x
  28 #define __MODULE_STRING(x)      __MODULE_STRING_1(x)
  29
  30 #if !defined(__AUTOCONF_INCLUDED__)
  31
  32 #define __EXPORT_SYMBOL(sym,str)   error config_must_be_included_before_module
  33 #define EXPORT_SYMBOL(var)         error config_must_be_included_before_module
  34 #define EXPORT_SYMBOL_NOVERS(var)  error config_must_be_included_before_module
  35
  36 #elif !defined(UML_CONFIG_MODULES)
  37
  38 #define __EXPORT_SYMBOL(sym,str)
  39 #define EXPORT_SYMBOL(var)
  40 #define EXPORT_SYMBOL_NOVERS(var)
  41
  42 #else
  43
  44 #define __EXPORT_SYMBOL(sym, str)                       \
  45 const char __kstrtab_##sym[]                            \
  46 __attribute__((section(".kstrtab"))) = str;             \
  47 const struct module_symbol __ksymtab_##sym              \
  48 __attribute__((section("__ksymtab"))) =                 \
  49 { (unsigned long)&sym, __kstrtab_##sym }
  50
  51 #if defined(__MODVERSIONS__) || !defined(UML_CONFIG_MODVERSIONS)
  52 #define EXPORT_SYMBOL(var)  __EXPORT_SYMBOL(var, __MODULE_STRING(var))
  53 #else
  54 #define EXPORT_SYMBOL(var)  __EXPORT_SYMBOL(var, __MODULE_STRING(__VERSIONED_SYMBOL(var)))
  55 #endif
  56
  57 #define EXPORT_SYMBOL_NOVERS(var)  __EXPORT_SYMBOL(var, __MODULE_STRING(var))
  58
  59 #endif
  60
  61 EXPORT_SYMBOL(__errno_location);
  62
  63 EXPORT_SYMBOL(access);
  64 EXPORT_SYMBOL(open);
  65 EXPORT_SYMBOL(open64);
  66 EXPORT_SYMBOL(close);
  67 EXPORT_SYMBOL(read);
  68 EXPORT_SYMBOL(write);
  69 EXPORT_SYMBOL(dup2);
  70 EXPORT_SYMBOL(__xstat);
  71 EXPORT_SYMBOL(__lxstat);
  72 EXPORT_SYMBOL(__lxstat64);
  73 EXPORT_SYMBOL(lseek);
  74 EXPORT_SYMBOL(lseek64);
  75 EXPORT_SYMBOL(chown);
  76 EXPORT_SYMBOL(truncate);
  77 EXPORT_SYMBOL(utime);
  78 EXPORT_SYMBOL(chmod);
  79 EXPORT_SYMBOL(rename);
  80 EXPORT_SYMBOL(__xmknod);
  81
  82 EXPORT_SYMBOL(symlink);
  83 EXPORT_SYMBOL(link);
  84 EXPORT_SYMBOL(unlink);
  85 EXPORT_SYMBOL(readlink);
  86
  87 EXPORT_SYMBOL(mkdir);
  88 EXPORT_SYMBOL(rmdir);
  89 EXPORT_SYMBOL(opendir);
  90 EXPORT_SYMBOL(readdir);
  91 EXPORT_SYMBOL(closedir);
  92 EXPORT_SYMBOL(seekdir);
  93 EXPORT_SYMBOL(telldir);
  94
  95 EXPORT_SYMBOL(ioctl);
  96
  97 extern ssize_t pread64 (int __fd, void *__buf, size_t __nbytes,
  98                         __off64_t __offset);
  99 extern ssize_t pwrite64 (int __fd, __const void *__buf, size_t __n,
 100                          __off64_t __offset);
 101 EXPORT_SYMBOL(pread64);
 102 EXPORT_SYMBOL(pwrite64);
 103
 104 EXPORT_SYMBOL(statfs);
 105 EXPORT_SYMBOL(statfs64);
 106
 107 EXPORT_SYMBOL(memcpy);
 108 EXPORT_SYMBOL(getuid);
 109
 110 EXPORT_SYMBOL(memset);
 111 EXPORT_SYMBOL(strstr);
 112
 113 EXPORT_SYMBOL(find_iomem);