1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /* Module internals
3 *
4 * Copyright (C) 2012 Red Hat, Inc. All Rights Reserved.
5 * Written by David Howells (dhowells@redhat.com)
6 */
7
8 #include <linux/elf.h>
9 #include <asm/module.h>
10
11 struct load_info {
12 const char *name;
13 /* pointer to module in temporary copy, freed at end of load_module() */
14 struct module *mod;
15 Elf_Ehdr *hdr;
16 unsigned long len;
17 Elf_Shdr *sechdrs;
18 char *secstrings, *strtab;
19 unsigned long symoffs, stroffs, init_typeoffs, core_typeoffs;
20 struct _ddebug *debug;
21 unsigned int num_debug;
22 bool sig_ok;
23 #ifdef CONFIG_KALLSYMS
24 unsigned long mod_kallsyms_init_off;
25 #endif
26 struct {
27 unsigned int sym, str, mod, vers, info, pcpu;
28 } index;
29 };
30
31 extern int mod_verify_sig(const void *mod, struct load_info *info);
32
33 #ifdef CONFIG_MODULE_SIG_PROTECT
34 extern bool gki_is_module_unprotected_symbol(const char *name);
35 extern bool gki_is_module_protected_export(const char *name);
36 #else
gki_is_module_unprotected_symbol(const char * name)37 static inline bool gki_is_module_unprotected_symbol(const char *name)
38 {
39 return 1;
40 }
gki_is_module_protected_export(const char * name)41 static inline bool gki_is_module_protected_export(const char *name)
42 {
43 return 0;
44 }
45 #endif /* CONFIG_MODULE_SIG_PROTECT */
46