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00d76710 DH |
1 | /* module.c: FRV specific module loading bits |
2 | * | |
3 | * Copyright (C) 2006 Red Hat, Inc. All Rights Reserved. | |
4 | * Written by David Howells (dhowells@redhat.com) | |
5 | * - Derived from arch/i386/kernel/module.c, Copyright (C) 2001 Rusty Russell. | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or | |
8 | * modify it under the terms of the GNU General Public License | |
9 | * as published by the Free Software Foundation; either version | |
10 | * 2 of the License, or (at your option) any later version. | |
11 | */ | |
12 | #include <linux/moduleloader.h> | |
13 | #include <linux/elf.h> | |
14 | #include <linux/vmalloc.h> | |
15 | #include <linux/fs.h> | |
16 | #include <linux/string.h> | |
17 | #include <linux/kernel.h> | |
18 | ||
19 | #if 0 | |
20 | #define DEBUGP printk | |
21 | #else | |
22 | #define DEBUGP(fmt...) | |
23 | #endif | |
24 | ||
25 | void *module_alloc(unsigned long size) | |
26 | { | |
27 | if (size == 0) | |
28 | return NULL; | |
29 | ||
30 | return vmalloc_exec(size); | |
31 | } | |
32 | ||
33 | ||
34 | /* Free memory returned from module_alloc */ | |
35 | void module_free(struct module *mod, void *module_region) | |
36 | { | |
37 | vfree(module_region); | |
38 | /* FIXME: If module_region == mod->init_region, trim exception | |
39 | table entries. */ | |
40 | } | |
41 | ||
42 | /* We don't need anything special. */ | |
43 | int module_frob_arch_sections(Elf_Ehdr *hdr, | |
44 | Elf_Shdr *sechdrs, | |
45 | char *secstrings, | |
46 | struct module *mod) | |
47 | { | |
48 | return 0; | |
49 | } | |
50 | ||
51 | int apply_relocate(Elf32_Shdr *sechdrs, | |
52 | const char *strtab, | |
53 | unsigned int symindex, | |
54 | unsigned int relsec, | |
55 | struct module *me) | |
56 | { | |
57 | printk(KERN_ERR "module %s: ADD RELOCATION unsupported\n", me->name); | |
58 | return -ENOEXEC; | |
59 | } | |
60 | ||
61 | int apply_relocate_add(Elf32_Shdr *sechdrs, | |
62 | const char *strtab, | |
63 | unsigned int symindex, | |
64 | unsigned int relsec, | |
65 | struct module *me) | |
66 | { | |
67 | printk(KERN_ERR "module %s: ADD RELOCATION unsupported\n", me->name); | |
68 | return -ENOEXEC; | |
69 | } | |
70 | ||
71 | int module_finalize(const Elf_Ehdr *hdr, | |
72 | const Elf_Shdr *sechdrs, | |
73 | struct module *me) | |
74 | { | |
75 | return 0; | |
76 | } | |
77 | ||
78 | void module_arch_cleanup(struct module *mod) | |
79 | { | |
80 | } |