| David Howells | 00d7671 | 2006-01-08 01:01:21 -0800 | [diff] [blame] | 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 | } |