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Commit 00d76710 authored by David Howells's avatar David Howells Committed by Linus Torvalds
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[PATCH] frv: add module support stubs 



Add stubs for FRV module support.

Signed-off-by: default avatarDavid Howells <dhowells@redhat.com>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent a90a72c8

arch/frv/kernel/Makefile

+1 −0
Original line number Original line Diff line number Diff line
@@ -21,3 +21,4 @@ obj-$(CONFIG_PM) += pm.o cmode.o 
obj-$(CONFIG_MB93093_PDK)	+= pm-mb93093.o

obj-$(CONFIG_MB93093_PDK)	+= pm-mb93093.o

obj-$(CONFIG_SYSCTL)		+= sysctl.o

obj-$(CONFIG_SYSCTL)		+= sysctl.o

obj-$(CONFIG_FUTEX)		+= futex.o

obj-$(CONFIG_FUTEX)		+= futex.o

obj-$(CONFIG_MODULES)		+= module.o

arch/frv/kernel/module.c

0 → 100644
+80 −0
Original line number Original line Diff line number Diff line 
/* module.c: FRV specific module loading bits

 *

 * Copyright (C) 2006 Red Hat, Inc. All Rights Reserved.

 * Written by David Howells (dhowells@redhat.com)

 * - Derived from arch/i386/kernel/module.c, Copyright (C) 2001 Rusty Russell.

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version

 * 2 of the License, or (at your option) any later version.

 */

#include <linux/moduleloader.h>

#include <linux/elf.h>

#include <linux/vmalloc.h>

#include <linux/fs.h>

#include <linux/string.h>

#include <linux/kernel.h>



#if 0

#define DEBUGP printk

#else

#define DEBUGP(fmt...)

#endif



void *module_alloc(unsigned long size)

{

	if (size == 0)

		return NULL;



	return vmalloc_exec(size);

}





/* Free memory returned from module_alloc */

void module_free(struct module *mod, void *module_region)

{

	vfree(module_region);

	/* FIXME: If module_region == mod->init_region, trim exception

           table entries. */

}



/* We don't need anything special. */

int module_frob_arch_sections(Elf_Ehdr *hdr,

			      Elf_Shdr *sechdrs,

			      char *secstrings,

			      struct module *mod)

{

	return 0;

}



int apply_relocate(Elf32_Shdr *sechdrs,

		   const char *strtab,

		   unsigned int symindex,

		   unsigned int relsec,

		   struct module *me)

{

	printk(KERN_ERR "module %s: ADD RELOCATION unsupported\n", me->name);

	return -ENOEXEC;

}



int apply_relocate_add(Elf32_Shdr *sechdrs,

		       const char *strtab,

		       unsigned int symindex,

		       unsigned int relsec,

		       struct module *me)

{

	printk(KERN_ERR "module %s: ADD RELOCATION unsupported\n", me->name);

	return -ENOEXEC;

}



int module_finalize(const Elf_Ehdr *hdr,

		    const Elf_Shdr *sechdrs,

		    struct module *me)

{

	return 0;

}



void module_arch_cleanup(struct module *mod)

{

}

include/asm-frv/module.h

+12 −4
Original line number Original line Diff line number Diff line
@@ -11,10 +11,18 @@ 
#ifndef _ASM_MODULE_H

#ifndef _ASM_MODULE_H

#define _ASM_MODULE_H

#define _ASM_MODULE_H





#define module_map(x)		vmalloc(x)

struct mod_arch_specific

#define module_unmap(x)		vfree(x)

{

#define module_arch_init(x)	(0)

};

#define arch_init_modules(x)	do { } while (0)



#define Elf_Shdr	Elf32_Shdr

#define Elf_Sym		Elf32_Sym

#define Elf_Ehdr	Elf32_Ehdr



/*

 * Include the architecture version.

 */

#define MODULE_ARCH_VERMAGIC __stringify(PROCESSOR_MODEL_NAME) " "





#endif /* _ASM_MODULE_H */

#endif /* _ASM_MODULE_H */