busybox/modutils/modutils.h
Denys Vlasenko 77c066ea5c modutils: add FEATURE_INSMOD_TRY_MMAP option
function                                             old     new   delta
try_to_mmap_module                                     -     121    +121
bb_init_module_24                                   4514    4578     +64
bb_init_module                                       119     173     +54
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 2/0 up/down: 239/0)             Total: 239 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-10-25 04:35:22 +01:00

81 lines
2.3 KiB
C

/*
* Common modutils related functions for busybox
*
* Copyright (C) 2008 by Timo Teras <timo.teras@iki.fi>
*
* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
*/
#ifndef MODUTILS_H
#define MODUTILS_H 1
#include "libbb.h"
PUSH_AND_SET_FUNCTION_VISIBILITY_TO_HIDDEN
/* linux/include/linux/module.h has 64, but this is also used
* internally for the maximum alias name length, which can be quite long */
#define MODULE_NAME_LEN 256
void replace(char *s, char what, char with) FAST_FUNC;
char *replace_underscores(char *s) FAST_FUNC;
int string_to_llist(char *string, llist_t **llist, const char *delim) FAST_FUNC;
char *filename2modname(const char *filename, char *modname) FAST_FUNC;
char *parse_cmdline_module_options(char **argv) FAST_FUNC;
#define INSMOD_OPTS \
"vq" \
IF_FEATURE_2_4_MODULES("sLo:fkx") \
IF_FEATURE_INSMOD_LOAD_MAP("m")
#define INSMOD_ARGS IF_FEATURE_2_4_MODULES(, NULL)
enum {
INSMOD_OPT_VERBOSE = 0x0001,
INSMOD_OPT_SILENT = 0x0002,
INSMOD_OPT_SYSLOG = 0x0004 * ENABLE_FEATURE_2_4_MODULES,
INSMOD_OPT_LOCK = 0x0008 * ENABLE_FEATURE_2_4_MODULES,
INSMOD_OPT_OUTPUTNAME = 0x0010 * ENABLE_FEATURE_2_4_MODULES,
INSMOD_OPT_FORCE = 0x0020 * ENABLE_FEATURE_2_4_MODULES,
INSMOD_OPT_KERNELD = 0x0040 * ENABLE_FEATURE_2_4_MODULES,
INSMOD_OPT_NO_EXPORT = 0x0080 * ENABLE_FEATURE_2_4_MODULES,
INSMOD_OPT_PRINT_MAP = 0x0100 * ENABLE_FEATURE_INSMOD_LOAD_MAP,
#if ENABLE_FEATURE_2_4_MODULES
# if ENABLE_FEATURE_INSMOD_LOAD_MAP
INSMOD_OPT_UNUSED = 0x0200,
# else
INSMOD_OPT_UNUSED = 0x0100,
# endif
#else
INSMOD_OPT_UNUSED = 0x0004,
#endif
};
#if ENABLE_FEATURE_INSMOD_TRY_MMAP
void* FAST_FUNC try_to_mmap_module(const char *filename, size_t *image_size_p);
#else
# define try_to_mmap_module(filename, image_size) NULL
#endif
/* Return:
* 0 on success,
* -errno on open/read error,
* errno on init_module() error
*/
int FAST_FUNC bb_init_module(const char *module, const char *options);
/* Return:
* 0 on success,
* errno on init_module() error
*/
int FAST_FUNC bb_delete_module(const char *module, unsigned int flags);
/* Translates error return to a string */
const char *moderror(int err) FAST_FUNC;
#if ENABLE_FEATURE_2_4_MODULES
int FAST_FUNC bb_init_module_24(const char *module, const char *options);
#endif
POP_SAVED_FUNCTION_VISIBILITY
#endif