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/*
* Dynamic loading of modules into the kernel.
*
* Modified by Bjorn Ekwall <bj0rn@blox.se>
*/
#ifndef _LINUX_MODULE_H
#define _LINUX_MODULE_H
#ifdef __GENKSYMS__
# define _set_ver(sym,vers) sym
# undef MODVERSIONS
# define MODVERSIONS
#else /* ! __GENKSYMS__ */
# if defined(MODVERSIONS) && !defined(MODULE) && defined(EXPORT_SYMTAB)
# define _set_ver(sym,vers) sym
# include <linux/modversions.h>
# endif
#endif /* __GENKSYMS__ */
/* values of module.state */
#define MOD_UNINITIALIZED 0
#define MOD_RUNNING 1
#define MOD_DELETED 2
/* maximum length of module name */
#define MOD_MAX_NAME 64
/* magic marker for modules inserted from kerneld, to be auto-reaped */
#define MOD_AUTOCLEAN 0x40000000 /* big enough, but no sign problems... */
#define MOD_VISITED 0x20000000 /* Thanks Jacques! */
/* maximum length of symbol name */
#define SYM_MAX_NAME 60
struct kernel_sym { /* sent to "insmod" */
unsigned long value; /* value of symbol */
char name[SYM_MAX_NAME]; /* name of symbol */
};
struct module_ref {
struct module *module;
struct module_ref *next;
};
struct internal_symbol {
void *addr;
const char *name;
};
struct symbol_table { /* received from "insmod" */
int size; /* total, including string table!!! */
int n_symbols;
int n_refs;
struct internal_symbol symbol[0]; /* actual size defined by n_symbols */
struct module_ref ref[0]; /* actual size defined by n_refs */
};
/*
* Note: The string table follows immediately after the symbol table in memory!
*/
struct module {
struct module *next;
struct module_ref *ref; /* the list of modules that refer to me */
struct symbol_table *symtab;
const char *name;
int size; /* size of module in pages */
void *addr; /* address of module */
int state;
void (*cleanup)(void); /* cleanup routine */
};
struct mod_routines {
int (*init)(void); /* initialization routine */
void (*cleanup)(void); /* cleanup routine */
};
/*
* The first word of the module contains the use count.
*/
#define GET_USE_COUNT(module) (* (long *) (module)->addr)
/*
* define the count variable, and usage macros.
*/
#ifdef MODULE
extern long mod_use_count_;
#define MOD_INC_USE_COUNT (mod_use_count_++, mod_use_count_ |= MOD_VISITED)
#define MOD_DEC_USE_COUNT (mod_use_count_--, mod_use_count_ |= MOD_VISITED)
#define MOD_IN_USE ((mod_use_count_ & ~(MOD_AUTOCLEAN | MOD_VISITED)) != 0)
#ifndef __NO_VERSION__
#include <linux/version.h>
char kernel_version[]=UTS_RELEASE;
#endif
#if defined(MODVERSIONS) && !defined(__GENKSYMS__)
int Using_Versions; /* gcc will handle this global (used as a flag) correctly */
#endif
#else
#define EXPORT_SYMBOL(sym)
#define MOD_INC_USE_COUNT do { } while (0)
#define MOD_DEC_USE_COUNT do { } while (0)
#define MOD_IN_USE 1
#define SET_MODULE_OWNER(dev) do{ } while(0)
#endif
/* insert new symbol table */
#define register_symtab(symtab)
#endif
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