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 | } |