depmod.h

   1 #ifndef MODINITTOOLS_DEPMOD_H
   2 #define MODINITTOOLS_DEPMOD_H
   3 #include "list.h"
   4
   5 struct module;
   6
   7 /* Functions provided by depmod.c */
   8 void add_symbol(const char *name, struct module *owner);
   9 struct module *find_symbol(const char *name, const char *modname, int weak);
  10 void add_dep(struct module *mod, struct module *depends_on);
  11
  12 /* I hate strcmp. */
  13 #define streq(a,b) (strcmp((a),(b)) == 0)
  14
  15 struct module
  16 {
  17         /* Next module in list of all modules */
  18         struct module *next;
  19
  20         /* 64 or 32 bit? */
  21         struct module_ops *ops;
  22
  23         /* Convert endian? */
  24         int conv;
  25
  26         /* Dependencies: filled in by ops->calculate_deps() */
  27         unsigned int num_deps;
  28         struct module **deps;
  29
  30         /* Set while we are traversing dependencies */
  31         struct list_head dep_list;
  32
  33         /* Tables extracted from module by ops->fetch_tables(). */
  34         unsigned int pci_size;
  35         void *pci_table;
  36         unsigned int usb_size;
  37         void *usb_table;
  38         unsigned int ieee1394_size;
  39         void *ieee1394_table;
  40         unsigned int ccw_size;
  41         void *ccw_table;
  42         unsigned int pnp_size;
  43         void *pnp_table;
  44         unsigned int pnp_card_size;
  45         unsigned int pnp_card_offset;
  46         void *pnp_card_table;
  47         unsigned int input_size;
  48         void *input_table;
  49         unsigned int input_table_size;
  50         unsigned int serio_size;
  51         void *serio_table;
  52         unsigned int of_size;
  53         void *of_table;
  54
  55         /* File contents and length. */
  56         void *data;
  57         unsigned long len;
  58
  59         char *basename; /* points into pathname */
  60         char pathname[0];
  61 };
  62
  63 #define END(x, conv)                                                      \
  64 ({                                                                        \
  65         typeof(x) __x;                                                    \
  66         if (conv) __convert_endian(&(x), &(__x), sizeof(__x));            \
  67         else __x = (x);                                                   \
  68         __x;                                                              \
  69 })
  70
  71 static inline void __convert_endian(const void *src, void *dest,
  72                                     unsigned int size)
  73 {
  74         unsigned int i;
  75         for (i = 0; i < size; i++)
  76                 ((unsigned char*)dest)[i] = ((unsigned char*)src)[size - i-1];
  77 }
  78 #endif /* MODINITTOOLS_DEPMOD_H */