1 files changed, 0 insertions, 291 deletions

diff --git a/arch/avr32/kernel/module.c b/arch/avr32/kernel/module.c
deleted file mode 100644
index 2b4c54c04cb6..000000000000
--- a/arch/avr32/kernel/module.c
+++ /dev/null
@@ -1,291 +0,0 @@
-/*
- * AVR32-specific kernel module loader
- *
- * Copyright (C) 2005-2006 Atmel Corporation
- *
- * GOT initialization parts are based on the s390 version
- *   Copyright (C) 2002, 2003 IBM Deutschland Entwicklung GmbH,
- *                            IBM Corporation
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#include <linux/bug.h>
-#include <linux/elf.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/moduleloader.h>
-#include <linux/vmalloc.h>
-
-void module_arch_freeing_init(struct module *mod)
-{
-	vfree(mod->arch.syminfo);
-	mod->arch.syminfo = NULL;
-}
-
-static inline int check_rela(Elf32_Rela *rela, struct module *module,
-			     char *strings, Elf32_Sym *symbols)
-{
-	struct mod_arch_syminfo *info;
-
-	info = module->arch.syminfo + ELF32_R_SYM(rela->r_info);
-	switch (ELF32_R_TYPE(rela->r_info)) {
-	case R_AVR32_GOT32:
-	case R_AVR32_GOT16:
-	case R_AVR32_GOT8:
-	case R_AVR32_GOT21S:
-	case R_AVR32_GOT18SW:	/* mcall */
-	case R_AVR32_GOT16S:	/* ld.w */
-		if (rela->r_addend != 0) {
-			printk(KERN_ERR
-			       "GOT relocation against %s at offset %u with addend\n",
-			       strings + symbols[ELF32_R_SYM(rela->r_info)].st_name,
-			       rela->r_offset);
-			return -ENOEXEC;
-		}
-		if (info->got_offset == -1UL) {
-			info->got_offset = module->arch.got_size;
-			module->arch.got_size += sizeof(void *);
-		}
-		pr_debug("GOT[%3lu] %s\n", info->got_offset,
-			 strings + symbols[ELF32_R_SYM(rela->r_info)].st_name);
-		break;
-	}
-
-	return 0;
-}
-
-int module_frob_arch_sections(Elf_Ehdr *hdr, Elf_Shdr *sechdrs,
-			      char *secstrings, struct module *module)
-{
-	Elf32_Shdr *symtab;
-	Elf32_Sym *symbols;
-	Elf32_Rela *rela;
-	char *strings;
-	int nrela, i, j;
-	int ret;
-
-	/* Find the symbol table */
-	symtab = NULL;
-	for (i = 0; i < hdr->e_shnum; i++)
-		switch (sechdrs[i].sh_type) {
-		case SHT_SYMTAB:
-			symtab = &sechdrs[i];
-			break;
-		}
-	if (!symtab) {
-		printk(KERN_ERR "module %s: no symbol table\n", module->name);
-		return -ENOEXEC;
-	}
-
-	/* Allocate room for one syminfo structure per symbol. */
-	module->arch.nsyms = symtab->sh_size / sizeof(Elf_Sym);
-	module->arch.syminfo = vmalloc(module->arch.nsyms
-				   * sizeof(struct mod_arch_syminfo));
-	if (!module->arch.syminfo)
-		return -ENOMEM;
-
-	symbols = (void *)hdr + symtab->sh_offset;
-	strings = (void *)hdr + sechdrs[symtab->sh_link].sh_offset;
-	for (i = 0; i < module->arch.nsyms; i++) {
-		if (symbols[i].st_shndx == SHN_UNDEF &&
-		    strcmp(strings + symbols[i].st_name,
-			   "_GLOBAL_OFFSET_TABLE_") == 0)
-			/* "Define" it as absolute. */
-			symbols[i].st_shndx = SHN_ABS;
-		module->arch.syminfo[i].got_offset = -1UL;
-		module->arch.syminfo[i].got_initialized = 0;
-	}
-
-	/* Allocate GOT entries for symbols that need it. */
-	module->arch.got_size = 0;
-	for (i = 0; i < hdr->e_shnum; i++) {
-		if (sechdrs[i].sh_type != SHT_RELA)
-			continue;
-		nrela = sechdrs[i].sh_size / sizeof(Elf32_Rela);
-		rela = (void *)hdr + sechdrs[i].sh_offset;
-		for (j = 0; j < nrela; j++) {
-			ret = check_rela(rela + j, module,
-					 strings, symbols);
-			if (ret)
-				goto out_free_syminfo;
-		}
-	}
-
-	/*
-	 * Increase core size to make room for GOT and set start
-	 * offset for GOT.
-	 */
-	module->core_layout.size = ALIGN(module->core_layout.size, 4);
-	module->arch.got_offset = module->core_layout.size;
-	module->core_layout.size += module->arch.got_size;
-
-	return 0;
-
-out_free_syminfo:
-	vfree(module->arch.syminfo);
-	module->arch.syminfo = NULL;
-
-	return ret;
-}
-
-static inline int reloc_overflow(struct module *module, const char *reloc_name,
-				 Elf32_Addr relocation)
-{
-	printk(KERN_ERR "module %s: Value %lx does not fit relocation %s\n",
-	       module->name, (unsigned long)relocation, reloc_name);
-	return -ENOEXEC;
-}
-
-#define get_u16(loc)		(*((uint16_t *)loc))
-#define put_u16(loc, val)	(*((uint16_t *)loc) = (val))
-
-int apply_relocate_add(Elf32_Shdr *sechdrs, const char *strtab,
-		       unsigned int symindex, unsigned int relindex,
-		       struct module *module)
-{
-	Elf32_Shdr *symsec = sechdrs + symindex;
-	Elf32_Shdr *relsec = sechdrs + relindex;
-	Elf32_Shdr *dstsec = sechdrs + relsec->sh_info;
-	Elf32_Rela *rel = (void *)relsec->sh_addr;
-	unsigned int i;
-	int ret = 0;
-
-	for (i = 0; i < relsec->sh_size / sizeof(Elf32_Rela); i++, rel++) {
-		struct mod_arch_syminfo *info;
-		Elf32_Sym *sym;
-		Elf32_Addr relocation;
-		uint32_t *location;
-		uint32_t value;
-
-		location = (void *)dstsec->sh_addr + rel->r_offset;
-		sym = (Elf32_Sym *)symsec->sh_addr + ELF32_R_SYM(rel->r_info);
-		relocation = sym->st_value + rel->r_addend;
-
-		info = module->arch.syminfo + ELF32_R_SYM(rel->r_info);
-
-		/* Initialize GOT entry if necessary */
-		switch (ELF32_R_TYPE(rel->r_info)) {
-		case R_AVR32_GOT32:
-		case R_AVR32_GOT16:
-		case R_AVR32_GOT8:
-		case R_AVR32_GOT21S:
-		case R_AVR32_GOT18SW:
-		case R_AVR32_GOT16S:
-			if (!info->got_initialized) {
-				Elf32_Addr *gotent;
-
-				gotent = (module->core_layout.base
-					  + module->arch.got_offset
-					  + info->got_offset);
-				*gotent = relocation;
-				info->got_initialized = 1;
-			}
-
-			relocation = info->got_offset;
-			break;
-		}
-
-		switch (ELF32_R_TYPE(rel->r_info)) {
-		case R_AVR32_32:
-		case R_AVR32_32_CPENT:
-			*location = relocation;
-			break;
-		case R_AVR32_22H_PCREL:
-			relocation -= (Elf32_Addr)location;
-			if ((relocation & 0xffe00001) != 0
-			    && (relocation & 0xffc00001) != 0xffc00000)
-				return reloc_overflow(module,
-						      "R_AVR32_22H_PCREL",
-						      relocation);
-			relocation >>= 1;
-
-			value = *location;
-			value = ((value & 0xe1ef0000)
-				 | (relocation & 0xffff)
-				 | ((relocation & 0x10000) << 4)
-				 | ((relocation & 0x1e0000) << 8));
-			*location = value;
-			break;
-		case R_AVR32_11H_PCREL:
-			relocation -= (Elf32_Addr)location;
-			if ((relocation & 0xfffffc01) != 0
-			    && (relocation & 0xfffff801) != 0xfffff800)
-				return reloc_overflow(module,
-						      "R_AVR32_11H_PCREL",
-						      relocation);
-			value = get_u16(location);
-			value = ((value & 0xf00c)
-				 | ((relocation & 0x1fe) << 3)
-				 | ((relocation & 0x600) >> 9));
-			put_u16(location, value);
-			break;
-		case R_AVR32_9H_PCREL:
-			relocation -= (Elf32_Addr)location;
-			if ((relocation & 0xffffff01) != 0
-			    && (relocation & 0xfffffe01) != 0xfffffe00)
-				return reloc_overflow(module,
-						      "R_AVR32_9H_PCREL",
-						      relocation);
-			value = get_u16(location);
-			value = ((value & 0xf00f)
-				 | ((relocation & 0x1fe) << 3));
-			put_u16(location, value);
-			break;
-		case R_AVR32_9UW_PCREL:
-			relocation -= ((Elf32_Addr)location) & 0xfffffffc;
-			if ((relocation & 0xfffffc03) != 0)
-				return reloc_overflow(module,
-						      "R_AVR32_9UW_PCREL",
-						      relocation);
-			value = get_u16(location);
-			value = ((value & 0xf80f)
-				 | ((relocation & 0x1fc) << 2));
-			put_u16(location, value);
-			break;
-		case R_AVR32_GOTPC:
-			/*
-			 * R6 = PC - (PC - GOT)
-			 *
-			 * At this point, relocation contains the
-			 * value of PC.  Just subtract the value of
-			 * GOT, and we're done.
-			 */
-			pr_debug("GOTPC: PC=0x%x, got_offset=0x%lx, core=0x%p\n",
-				 relocation, module->arch.got_offset,
-				 module->core_layout.base);
-			relocation -= ((unsigned long)module->core_layout.base
-				       + module->arch.got_offset);
-			*location = relocation;
-			break;
-		case R_AVR32_GOT18SW:
-			if ((relocation & 0xfffe0003) != 0
-			    && (relocation & 0xfffc0000) != 0xfffc0000)
-				return reloc_overflow(module, "R_AVR32_GOT18SW",
-						     relocation);
-			relocation >>= 2;
-			/* fall through */
-		case R_AVR32_GOT16S:
-			if ((relocation & 0xffff8000) != 0
-			    && (relocation & 0xffff0000) != 0xffff0000)
-				return reloc_overflow(module, "R_AVR32_GOT16S",
-						      relocation);
-			pr_debug("GOT reloc @ 0x%x -> %u\n",
-				 rel->r_offset, relocation);
-			value = *location;
-			value = ((value & 0xffff0000)
-				 | (relocation & 0xffff));
-			*location = value;
-			break;
-
-		default:
-			printk(KERN_ERR "module %s: Unknown relocation: %u\n",
-			       module->name, ELF32_R_TYPE(rel->r_info));
-			return -ENOEXEC;
-		}
-	}
-
-	return ret;
-}