mirror of
https://gitee.com/bianbu-linux/linux-6.6
synced 2025-04-24 14:07:52 -04:00
8ab4ed08a2
No functional change. This patch makes it possible to move non-essential code out of core module code. Reviewed-by: Christophe Leroy <christophe.leroy@csgroup.eu> Signed-off-by: Aaron Tomlin <atomlin@redhat.com> Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
71 lines
2 KiB
C
71 lines
2 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
|
|
/* Module internals
|
|
*
|
|
* Copyright (C) 2012 Red Hat, Inc. All Rights Reserved.
|
|
* Written by David Howells (dhowells@redhat.com)
|
|
*/
|
|
|
|
#include <linux/elf.h>
|
|
#include <asm/module.h>
|
|
#include <linux/mutex.h>
|
|
|
|
#ifndef ARCH_SHF_SMALL
|
|
#define ARCH_SHF_SMALL 0
|
|
#endif
|
|
|
|
/* If this is set, the section belongs in the init part of the module */
|
|
#define INIT_OFFSET_MASK (1UL << (BITS_PER_LONG - 1))
|
|
/* Maximum number of characters written by module_flags() */
|
|
#define MODULE_FLAGS_BUF_SIZE (TAINT_FLAGS_COUNT + 4)
|
|
|
|
extern struct mutex module_mutex;
|
|
extern struct list_head modules;
|
|
|
|
/* Provided by the linker */
|
|
extern const struct kernel_symbol __start___ksymtab[];
|
|
extern const struct kernel_symbol __stop___ksymtab[];
|
|
extern const struct kernel_symbol __start___ksymtab_gpl[];
|
|
extern const struct kernel_symbol __stop___ksymtab_gpl[];
|
|
extern const s32 __start___kcrctab[];
|
|
extern const s32 __start___kcrctab_gpl[];
|
|
|
|
struct load_info {
|
|
const char *name;
|
|
/* pointer to module in temporary copy, freed at end of load_module() */
|
|
struct module *mod;
|
|
Elf_Ehdr *hdr;
|
|
unsigned long len;
|
|
Elf_Shdr *sechdrs;
|
|
char *secstrings, *strtab;
|
|
unsigned long symoffs, stroffs, init_typeoffs, core_typeoffs;
|
|
struct _ddebug *debug;
|
|
unsigned int num_debug;
|
|
bool sig_ok;
|
|
#ifdef CONFIG_KALLSYMS
|
|
unsigned long mod_kallsyms_init_off;
|
|
#endif
|
|
#ifdef CONFIG_MODULE_DECOMPRESS
|
|
struct page **pages;
|
|
unsigned int max_pages;
|
|
unsigned int used_pages;
|
|
#endif
|
|
struct {
|
|
unsigned int sym, str, mod, vers, info, pcpu;
|
|
} index;
|
|
};
|
|
|
|
extern int mod_verify_sig(const void *mod, struct load_info *info);
|
|
|
|
#ifdef CONFIG_MODULE_DECOMPRESS
|
|
int module_decompress(struct load_info *info, const void *buf, size_t size);
|
|
void module_decompress_cleanup(struct load_info *info);
|
|
#else
|
|
static inline int module_decompress(struct load_info *info,
|
|
const void *buf, size_t size)
|
|
{
|
|
return -EOPNOTSUPP;
|
|
}
|
|
static inline void module_decompress_cleanup(struct load_info *info)
|
|
{
|
|
}
|
|
#endif
|