| 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 | } |