Merge branch 'linus' into timers/nohz

1 files changed, 0 insertions, 1361 deletions

diff --git a/arch/mips/kernel/irixelf.c b/arch/mips/kernel/irixelf.c
deleted file mode 100644
index 469c7237e5ba..000000000000
--- a/arch/mips/kernel/irixelf.c
+++ /dev/null
@@ -1,1361 +0,0 @@
-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * irixelf.c: Code to load IRIX ELF executables conforming to the MIPS ABI.
- *            Based off of work by Eric Youngdale.
- *
- * Copyright (C) 1993 - 1994 Eric Youngdale <ericy@cais.com>
- * Copyright (C) 1996 - 2004 David S. Miller <dm@engr.sgi.com>
- * Copyright (C) 2004 - 2005 Steven J. Hill <sjhill@realitydiluted.com>
- */
-#undef DEBUG
-
-#include <linux/module.h>
-#include <linux/fs.h>
-#include <linux/stat.h>
-#include <linux/sched.h>
-#include <linux/mm.h>
-#include <linux/mman.h>
-#include <linux/a.out.h>
-#include <linux/errno.h>
-#include <linux/init.h>
-#include <linux/signal.h>
-#include <linux/binfmts.h>
-#include <linux/string.h>
-#include <linux/file.h>
-#include <linux/fcntl.h>
-#include <linux/ptrace.h>
-#include <linux/slab.h>
-#include <linux/shm.h>
-#include <linux/personality.h>
-#include <linux/elfcore.h>
-
-#include <asm/mipsregs.h>
-#include <asm/namei.h>
-#include <asm/prctl.h>
-#include <asm/uaccess.h>
-
-#define DLINFO_ITEMS 12
-
-#include <linux/elf.h>
-
-static int load_irix_binary(struct linux_binprm * bprm, struct pt_regs * regs);
-static int load_irix_library(struct file *);
-static int irix_core_dump(long signr, struct pt_regs * regs,
-                          struct file *file, unsigned long limit);
-
-static struct linux_binfmt irix_format = {
-	.module		= THIS_MODULE,
-	.load_binary	= load_irix_binary,
-	.load_shlib	= load_irix_library,
-	.core_dump	= irix_core_dump,
-	.min_coredump	= PAGE_SIZE,
-};
-
-/* Debugging routines. */
-static char *get_elf_p_type(Elf32_Word p_type)
-{
-#ifdef DEBUG
-	switch (p_type) {
-	case PT_NULL:
-		return "PT_NULL";
-		break;
-
-	case PT_LOAD:
-		return "PT_LOAD";
-		break;
-
-	case PT_DYNAMIC:
-		return "PT_DYNAMIC";
-		break;
-
-	case PT_INTERP:
-		return "PT_INTERP";
-		break;
-
-	case PT_NOTE:
-		return "PT_NOTE";
-		break;
-
-	case PT_SHLIB:
-		return "PT_SHLIB";
-		break;
-
-	case PT_PHDR:
-		return "PT_PHDR";
-		break;
-
-	case PT_LOPROC:
-		return "PT_LOPROC/REGINFO";
-		break;
-
-	case PT_HIPROC:
-		return "PT_HIPROC";
-		break;
-
-	default:
-		return "PT_BOGUS";
-		break;
-	}
-#endif
-}
-
-static void print_elfhdr(struct elfhdr *ehp)
-{
-	int i;
-
-	pr_debug("ELFHDR: e_ident<");
-	for (i = 0; i < (EI_NIDENT - 1); i++)
-		pr_debug("%x ", ehp->e_ident[i]);
-	pr_debug("%x>\n", ehp->e_ident[i]);
-	pr_debug("        e_type[%04x] e_machine[%04x] e_version[%08lx]\n",
-	         (unsigned short) ehp->e_type, (unsigned short) ehp->e_machine,
-	         (unsigned long) ehp->e_version);
-	pr_debug("        e_entry[%08lx] e_phoff[%08lx] e_shoff[%08lx] "
-	         "e_flags[%08lx]\n",
-	         (unsigned long) ehp->e_entry, (unsigned long) ehp->e_phoff,
-	         (unsigned long) ehp->e_shoff, (unsigned long) ehp->e_flags);
-	pr_debug("        e_ehsize[%04x] e_phentsize[%04x] e_phnum[%04x]\n",
-	         (unsigned short) ehp->e_ehsize,
-	         (unsigned short) ehp->e_phentsize,
-	         (unsigned short) ehp->e_phnum);
-	pr_debug("        e_shentsize[%04x] e_shnum[%04x] e_shstrndx[%04x]\n",
-	         (unsigned short) ehp->e_shentsize,
-	         (unsigned short) ehp->e_shnum,
-	         (unsigned short) ehp->e_shstrndx);
-}
-
-static void print_phdr(int i, struct elf_phdr *ep)
-{
-	pr_debug("PHDR[%d]: p_type[%s] p_offset[%08lx] p_vaddr[%08lx] "
-	         "p_paddr[%08lx]\n", i, get_elf_p_type(ep->p_type),
-	         (unsigned long) ep->p_offset, (unsigned long) ep->p_vaddr,
-	         (unsigned long) ep->p_paddr);
-	pr_debug("         p_filesz[%08lx] p_memsz[%08lx] p_flags[%08lx] "
-	         "p_align[%08lx]\n", (unsigned long) ep->p_filesz,
-	         (unsigned long) ep->p_memsz, (unsigned long) ep->p_flags,
-	         (unsigned long) ep->p_align);
-}
-
-static void dump_phdrs(struct elf_phdr *ep, int pnum)
-{
-	int i;
-
-	for (i = 0; i < pnum; i++, ep++) {
-		if ((ep->p_type == PT_LOAD) ||
-		    (ep->p_type == PT_INTERP) ||
-		    (ep->p_type == PT_PHDR))
-			print_phdr(i, ep);
-	}
-}
-
-static void set_brk(unsigned long start, unsigned long end)
-{
-	start = PAGE_ALIGN(start);
-	end = PAGE_ALIGN(end);
-	if (end <= start)
-		return;
-	down_write(&current->mm->mmap_sem);
-	do_brk(start, end - start);
-	up_write(&current->mm->mmap_sem);
-}
-
-
-/* We need to explicitly zero any fractional pages
- * after the data section (i.e. bss).  This would
- * contain the junk from the file that should not
- * be in memory.
- */
-static void padzero(unsigned long elf_bss)
-{
-	unsigned long nbyte;
-
-	nbyte = elf_bss & (PAGE_SIZE-1);
-	if (nbyte) {
-		nbyte = PAGE_SIZE - nbyte;
-		clear_user((void __user *) elf_bss, nbyte);
-	}
-}
-
-static unsigned long * create_irix_tables(char * p, int argc, int envc,
-	struct elfhdr * exec, unsigned int load_addr,
-	unsigned int interp_load_addr, struct pt_regs *regs,
-	struct elf_phdr *ephdr)
-{
-	elf_addr_t *argv;
-	elf_addr_t *envp;
-	elf_addr_t *sp, *csp;
-
-	pr_debug("create_irix_tables: p[%p] argc[%d] envc[%d] "
-	         "load_addr[%08x] interp_load_addr[%08x]\n",
-	         p, argc, envc, load_addr, interp_load_addr);
-
-	sp = (elf_addr_t *) (~15UL & (unsigned long) p);
-	csp = sp;
-	csp -= exec ? DLINFO_ITEMS*2 : 2;
-	csp -= envc+1;
-	csp -= argc+1;
-	csp -= 1;		/* argc itself */
-	if ((unsigned long)csp & 15UL) {
-		sp -= (16UL - ((unsigned long)csp & 15UL)) / sizeof(*sp);
-	}
-
-	/*
-	 * Put the ELF interpreter info on the stack
-	 */
-#define NEW_AUX_ENT(nr, id, val) \
-	  __put_user((id), sp+(nr*2)); \
-	  __put_user((val), sp+(nr*2+1)); \
-
-	sp -= 2;
-	NEW_AUX_ENT(0, AT_NULL, 0);
-
-	if (exec) {
-		sp -= 11*2;
-
-		NEW_AUX_ENT(0, AT_PHDR, load_addr + exec->e_phoff);
-		NEW_AUX_ENT(1, AT_PHENT, sizeof(struct elf_phdr));
-		NEW_AUX_ENT(2, AT_PHNUM, exec->e_phnum);
-		NEW_AUX_ENT(3, AT_PAGESZ, ELF_EXEC_PAGESIZE);
-		NEW_AUX_ENT(4, AT_BASE, interp_load_addr);
-		NEW_AUX_ENT(5, AT_FLAGS, 0);
-		NEW_AUX_ENT(6, AT_ENTRY, (elf_addr_t) exec->e_entry);
-		NEW_AUX_ENT(7, AT_UID, (elf_addr_t) current->uid);
-		NEW_AUX_ENT(8, AT_EUID, (elf_addr_t) current->euid);
-		NEW_AUX_ENT(9, AT_GID, (elf_addr_t) current->gid);
-		NEW_AUX_ENT(10, AT_EGID, (elf_addr_t) current->egid);
-	}
-#undef NEW_AUX_ENT
-
-	sp -= envc+1;
-	envp = sp;
-	sp -= argc+1;
-	argv = sp;
-
-	__put_user((elf_addr_t)argc, --sp);
-	current->mm->arg_start = (unsigned long) p;
-	while (argc-->0) {
-		__put_user((unsigned long)p, argv++);
-		p += strlen_user(p);
-	}
-	__put_user((unsigned long) NULL, argv);
-	current->mm->arg_end = current->mm->env_start = (unsigned long) p;
-	while (envc-->0) {
-		__put_user((unsigned long)p, envp++);
-		p += strlen_user(p);
-	}
-	__put_user((unsigned long) NULL, envp);
-	current->mm->env_end = (unsigned long) p;
-	return sp;
-}
-
-
-/* This is much more generalized than the library routine read function,
- * so we keep this separate.  Technically the library read function
- * is only provided so that we can read a.out libraries that have
- * an ELF header.
- */
-static unsigned int load_irix_interp(struct elfhdr * interp_elf_ex,
-				     struct file * interpreter,
-				     unsigned int *interp_load_addr)
-{
-	struct elf_phdr *elf_phdata  =  NULL;
-	struct elf_phdr *eppnt;
-	unsigned int len;
-	unsigned int load_addr;
-	int elf_bss;
-	int retval;
-	unsigned int last_bss;
-	int error;
-	int i;
-	unsigned int k;
-
-	elf_bss = 0;
-	last_bss = 0;
-	error = load_addr = 0;
-
-	print_elfhdr(interp_elf_ex);
-
-	/* First of all, some simple consistency checks */
-	if ((interp_elf_ex->e_type != ET_EXEC &&
-	     interp_elf_ex->e_type != ET_DYN) ||
-	     !interpreter->f_op->mmap) {
-		printk("IRIX interp has bad e_type %d\n", interp_elf_ex->e_type);
-		return 0xffffffff;
-	}
-
-	/* Now read in all of the header information */
-	if (sizeof(struct elf_phdr) * interp_elf_ex->e_phnum > PAGE_SIZE) {
-	    printk("IRIX interp header bigger than a page (%d)\n",
-		   (sizeof(struct elf_phdr) * interp_elf_ex->e_phnum));
-	    return 0xffffffff;
-	}
-
-	elf_phdata = kmalloc(sizeof(struct elf_phdr) * interp_elf_ex->e_phnum,
-			     GFP_KERNEL);
-
-	if (!elf_phdata) {
-		printk("Cannot kmalloc phdata for IRIX interp.\n");
-		return 0xffffffff;
-	}
-
-	/* If the size of this structure has changed, then punt, since
-	 * we will be doing the wrong thing.
-	 */
-	if (interp_elf_ex->e_phentsize != 32) {
-		printk("IRIX interp e_phentsize == %d != 32 ",
-		       interp_elf_ex->e_phentsize);
-		kfree(elf_phdata);
-		return 0xffffffff;
-	}
-
-	retval = kernel_read(interpreter, interp_elf_ex->e_phoff,
-			   (char *) elf_phdata,
-			   sizeof(struct elf_phdr) * interp_elf_ex->e_phnum);
-
-	dump_phdrs(elf_phdata, interp_elf_ex->e_phnum);
-
-	eppnt = elf_phdata;
-	for (i = 0; i < interp_elf_ex->e_phnum; i++, eppnt++) {
-		if (eppnt->p_type == PT_LOAD) {
-			int elf_type = MAP_PRIVATE | MAP_DENYWRITE;
-			int elf_prot = 0;
-			unsigned long vaddr = 0;
-			if (eppnt->p_flags & PF_R)
-				elf_prot =  PROT_READ;
-			if (eppnt->p_flags & PF_W)
-				elf_prot |= PROT_WRITE;
-			if (eppnt->p_flags & PF_X)
-				elf_prot |= PROT_EXEC;
-			elf_type |= MAP_FIXED;
-			vaddr = eppnt->p_vaddr;
-
-			pr_debug("INTERP do_mmap"
-			         "(%p, %08lx, %08lx, %08lx, %08lx, %08lx) ",
-			         interpreter, vaddr,
-			         (unsigned long)
-			         (eppnt->p_filesz + (eppnt->p_vaddr & 0xfff)),
-			         (unsigned long)
-			         elf_prot, (unsigned long) elf_type,
-			         (unsigned long)
-			         (eppnt->p_offset & 0xfffff000));
-
-			down_write(&current->mm->mmap_sem);
-			error = do_mmap(interpreter, vaddr,
-			eppnt->p_filesz + (eppnt->p_vaddr & 0xfff),
-			elf_prot, elf_type,
-			eppnt->p_offset & 0xfffff000);
-			up_write(&current->mm->mmap_sem);
-
-			if (error < 0 && error > -1024) {
-				printk("Aieee IRIX interp mmap error=%d\n",
-				       error);
-				break;  /* Real error */
-			}
-			pr_debug("error=%08lx ", (unsigned long) error);
-			if (!load_addr && interp_elf_ex->e_type == ET_DYN) {
-				load_addr = error;
-				pr_debug("load_addr = error ");
-			}
-
-			/*
-			 * Find the end of the file  mapping for this phdr, and
-			 * keep track of the largest address we see for this.
-			 */
-			k = eppnt->p_vaddr + eppnt->p_filesz;
-			if (k > elf_bss)
-				elf_bss = k;
-
-			/* Do the same thing for the memory mapping - between
-			 * elf_bss and last_bss is the bss section.
-			 */
-			k = eppnt->p_memsz + eppnt->p_vaddr;
-			if (k > last_bss)
-				last_bss = k;
-			pr_debug("\n");
-		}
-	}
-
-	/* Now use mmap to map the library into memory. */
-	if (error < 0 && error > -1024) {
-		pr_debug("got error %d\n", error);
-		kfree(elf_phdata);
-		return 0xffffffff;
-	}
-
-	/* Now fill out the bss section.  First pad the last page up
-	 * to the page boundary, and then perform a mmap to make sure
-	 * that there are zero-mapped pages up to and including the
-	 * last bss page.
-	 */
-	pr_debug("padzero(%08lx) ", (unsigned long) (elf_bss));
-	padzero(elf_bss);
-	len = (elf_bss + 0xfff) & 0xfffff000; /* What we have mapped so far */
-
-	pr_debug("last_bss[%08lx] len[%08lx]\n", (unsigned long) last_bss,
-	         (unsigned long) len);
-
-	/* Map the last of the bss segment */
-	if (last_bss > len) {
-		down_write(&current->mm->mmap_sem);
-		do_brk(len, (last_bss - len));
-		up_write(&current->mm->mmap_sem);
-	}
-	kfree(elf_phdata);
-
-	*interp_load_addr = load_addr;
-	return ((unsigned int) interp_elf_ex->e_entry);
-}
-
-/* Check sanity of IRIX elf executable header. */
-static int verify_binary(struct elfhdr *ehp, struct linux_binprm *bprm)
-{
-	if (memcmp(ehp->e_ident, ELFMAG, SELFMAG) != 0)
-		return -ENOEXEC;
-
-	/* First of all, some simple consistency checks */
-	if ((ehp->e_type != ET_EXEC && ehp->e_type != ET_DYN) ||
-	    !bprm->file->f_op->mmap) {
-		return -ENOEXEC;
-	}
-
-	/* XXX Don't support N32 or 64bit binaries yet because they can
-	 * XXX and do execute 64 bit instructions and expect all registers
-	 * XXX to be 64 bit as well.  We need to make the kernel save
-	 * XXX all registers as 64bits on cpu's capable of this at
-	 * XXX exception time plus frob the XTLB exception vector.
-	 */
-	if ((ehp->e_flags & EF_MIPS_ABI2))
-		return -ENOEXEC;
-
-	return 0;
-}
-
-/*
- * This is where the detailed check is performed. Irix binaries
- * use interpreters with 'libc.so' in the name, so this function
- * can differentiate between Linux and Irix binaries.
- */
-static inline int look_for_irix_interpreter(char **name,
-					    struct file **interpreter,
-					    struct elfhdr *interp_elf_ex,
-					    struct elf_phdr *epp,
-					    struct linux_binprm *bprm, int pnum)
-{
-	int i;
-	int retval = -EINVAL;
-	struct file *file = NULL;
-
-	*name = NULL;
-	for (i = 0; i < pnum; i++, epp++) {
-		if (epp->p_type != PT_INTERP)
-			continue;
-
-		/* It is illegal to have two interpreters for one executable. */
-		if (*name != NULL)
-			goto out;
-
-		*name = kmalloc(epp->p_filesz + strlen(IRIX_EMUL), GFP_KERNEL);
-		if (!*name)
-			return -ENOMEM;
-
-		strcpy(*name, IRIX_EMUL);
-		retval = kernel_read(bprm->file, epp->p_offset, (*name + 16),
-		                     epp->p_filesz);
-		if (retval < 0)
-			goto out;
-
-		file = open_exec(*name);
-		if (IS_ERR(file)) {
-			retval = PTR_ERR(file);
-			goto out;
-		}
-		retval = kernel_read(file, 0, bprm->buf, 128);
-		if (retval < 0)
-			goto dput_and_out;
-
-		*interp_elf_ex = *(struct elfhdr *) bprm->buf;
-	}
-	*interpreter = file;
-	return 0;
-
-dput_and_out:
-	fput(file);
-out:
-	kfree(*name);
-	return retval;
-}
-
-static inline int verify_irix_interpreter(struct elfhdr *ihp)
-{
-	if (memcmp(ihp->e_ident, ELFMAG, SELFMAG) != 0)
-		return -ELIBBAD;
-	return 0;
-}
-
-#define EXEC_MAP_FLAGS (MAP_FIXED | MAP_PRIVATE | MAP_DENYWRITE | MAP_EXECUTABLE)
-
-static inline void map_executable(struct file *fp, struct elf_phdr *epp, int pnum,
-				  unsigned int *estack, unsigned int *laddr,
-				  unsigned int *scode, unsigned int *ebss,
-				  unsigned int *ecode, unsigned int *edata,
-				  unsigned int *ebrk)
-{
-	unsigned int tmp;
-	int i, prot;
-
-	for (i = 0; i < pnum; i++, epp++) {
-		if (epp->p_type != PT_LOAD)
-			continue;
-
-		/* Map it. */
-		prot  = (epp->p_flags & PF_R) ? PROT_READ : 0;
-		prot |= (epp->p_flags & PF_W) ? PROT_WRITE : 0;
-		prot |= (epp->p_flags & PF_X) ? PROT_EXEC : 0;
-	        down_write(&current->mm->mmap_sem);
-		(void) do_mmap(fp, (epp->p_vaddr & 0xfffff000),
-			       (epp->p_filesz + (epp->p_vaddr & 0xfff)),
-			       prot, EXEC_MAP_FLAGS,
-			       (epp->p_offset & 0xfffff000));
-	        up_write(&current->mm->mmap_sem);
-
-		/* Fixup location tracking vars. */
-		if ((epp->p_vaddr & 0xfffff000) < *estack)
-			*estack = (epp->p_vaddr & 0xfffff000);
-		if (!*laddr)
-			*laddr = epp->p_vaddr - epp->p_offset;
-		if (epp->p_vaddr < *scode)
-			*scode = epp->p_vaddr;
-
-		tmp = epp->p_vaddr + epp->p_filesz;
-		if (tmp > *ebss)
-			*ebss = tmp;
-		if ((epp->p_flags & PF_X) && *ecode < tmp)
-			*ecode = tmp;
-		if (*edata < tmp)
-			*edata = tmp;
-
-		tmp = epp->p_vaddr + epp->p_memsz;
-		if (tmp > *ebrk)
-			*ebrk = tmp;
-	}
-
-}
-
-static inline int map_interpreter(struct elf_phdr *epp, struct elfhdr *ihp,
-				  struct file *interp, unsigned int *iladdr,
-				  int pnum, mm_segment_t old_fs,
-				  unsigned int *eentry)
-{
-	int i;
-
-	*eentry = 0xffffffff;
-	for (i = 0; i < pnum; i++, epp++) {
-		if (epp->p_type != PT_INTERP)
-			continue;
-
-		/* We should have fielded this error elsewhere... */
-		if (*eentry != 0xffffffff)
-			return -1;
-
-		set_fs(old_fs);
-		*eentry = load_irix_interp(ihp, interp, iladdr);
-		old_fs = get_fs();
-		set_fs(get_ds());
-
-		fput(interp);
-
-		if (*eentry == 0xffffffff)
-			return -1;
-	}
-	return 0;
-}
-
-/*
- * IRIX maps a page at 0x200000 that holds information about the
- * process and the system, here we map the page and fill the
- * structure
- */
-static int irix_map_prda_page(void)
-{
-	unsigned long v;
-	struct prda *pp;
-
-	down_write(&current->mm->mmap_sem);
-	v =  do_brk(PRDA_ADDRESS, PAGE_SIZE);
-	up_write(&current->mm->mmap_sem);
-
-	if (v != PRDA_ADDRESS)
-		return v;		/* v must be an error code */
-
-	pp = (struct prda *) v;
-	pp->prda_sys.t_pid  = task_pid_vnr(current);
-	pp->prda_sys.t_prid = read_c0_prid();
-	pp->prda_sys.t_rpid = task_pid_vnr(current);
-
-	/* We leave the rest set to zero */
-
-	return 0;
-}
-
-
-
-/* These are the functions used to load ELF style executables and shared
- * libraries.  There is no binary dependent code anywhere else.
- */
-static int load_irix_binary(struct linux_binprm * bprm, struct pt_regs * regs)
-{
-	struct elfhdr elf_ex, interp_elf_ex;
-	struct file *interpreter;
-	struct elf_phdr *elf_phdata, *elf_ihdr, *elf_ephdr;
-	unsigned int load_addr, elf_bss, elf_brk;
-	unsigned int elf_entry, interp_load_addr = 0;
-	unsigned int start_code, end_code, end_data, elf_stack;
-	int retval, has_interp, has_ephdr, size, i;
-	char *elf_interpreter;
-	mm_segment_t old_fs;
-
-	load_addr = 0;
-	has_interp = has_ephdr = 0;
-	elf_ihdr = elf_ephdr = NULL;
-	elf_ex = *((struct elfhdr *) bprm->buf);
-	retval = -ENOEXEC;
-
-	if (verify_binary(&elf_ex, bprm))
-		goto out;
-
-	/*
-	 * Telling -o32 static binaries from Linux and Irix apart from each
-	 * other is difficult. There are 2 differences to be noted for static
-	 * binaries from the 2 operating systems:
-	 *
-	 *    1) Irix binaries have their .text section before their .init
-	 *       section. Linux binaries are just the opposite.
-	 *
-	 *    2) Irix binaries usually have <= 12 sections and Linux
-	 *       binaries have > 20.
-	 *
-	 * We will use Method #2 since Method #1 would require us to read in
-	 * the section headers which is way too much overhead. This appears
-	 * to work for everything we have ran into so far. If anyone has a
-	 * better method to tell the binaries apart, I'm listening.
-	 */
-	if (elf_ex.e_shnum > 20)
-		goto out;
-
-	print_elfhdr(&elf_ex);
-
-	/* Now read in all of the header information */
-	size = elf_ex.e_phentsize * elf_ex.e_phnum;
-	if (size > 65536)
-		goto out;
-	elf_phdata = kmalloc(size, GFP_KERNEL);
-	if (elf_phdata == NULL) {
-		retval = -ENOMEM;
-		goto out;
-	}
-
-	retval = kernel_read(bprm->file, elf_ex.e_phoff, (char *)elf_phdata, size);
-	if (retval < 0)
-		goto out_free_ph;
-
-	dump_phdrs(elf_phdata, elf_ex.e_phnum);
-
-	/* Set some things for later. */
-	for (i = 0; i < elf_ex.e_phnum; i++) {
-		switch (elf_phdata[i].p_type) {
-		case PT_INTERP:
-			has_interp = 1;
-			elf_ihdr = &elf_phdata[i];
-			break;
-		case PT_PHDR:
-			has_ephdr = 1;
-			elf_ephdr = &elf_phdata[i];
-			break;
-		};
-	}
-
-	pr_debug("\n");
-
-	elf_bss = 0;
-	elf_brk = 0;
-
-	elf_stack = 0xffffffff;
-	elf_interpreter = NULL;
-	start_code = 0xffffffff;
-	end_code = 0;
-	end_data = 0;
-
-	/*
-	 * If we get a return value, we change the value to be ENOEXEC
-	 * so that we can exit gracefully and the main binary format
-	 * search loop in 'fs/exec.c' will move onto the next handler
-	 * which should be the normal ELF binary handler.
-	 */
-	retval = look_for_irix_interpreter(&elf_interpreter, &interpreter,
-					   &interp_elf_ex, elf_phdata, bprm,
-					   elf_ex.e_phnum);
-	if (retval) {
-		retval = -ENOEXEC;
-		goto out_free_file;
-	}
-
-	if (elf_interpreter) {
-		retval = verify_irix_interpreter(&interp_elf_ex);
-		if (retval)
-			goto out_free_interp;
-	}
-
-	/* OK, we are done with that, now set up the arg stuff,
-	 * and then start this sucker up.
-	 */
-	retval = -E2BIG;
-	if (!bprm->sh_bang && !bprm->p)
-		goto out_free_interp;
-
-	/* Flush all traces of the currently running executable */
-	retval = flush_old_exec(bprm);
-	if (retval)
-		goto out_free_dentry;
-
-	/* OK, This is the point of no return */
-	current->mm->end_data = 0;
-	current->mm->end_code = 0;
-	current->mm->mmap = NULL;
-	current->flags &= ~PF_FORKNOEXEC;
-	elf_entry = (unsigned int) elf_ex.e_entry;
-
-	/* Do this so that we can load the interpreter, if need be.  We will
-	 * change some of these later.
-	 */
-	setup_arg_pages(bprm, STACK_TOP, EXSTACK_DEFAULT);
-	current->mm->start_stack = bprm->p;
-
-	/* At this point, we assume that the image should be loaded at
-	 * fixed address, not at a variable address.
-	 */
-	old_fs = get_fs();
-	set_fs(get_ds());
-
-	map_executable(bprm->file, elf_phdata, elf_ex.e_phnum, &elf_stack,
-	               &load_addr, &start_code, &elf_bss, &end_code,
-	               &end_data, &elf_brk);
-
-	if (elf_interpreter) {
-		retval = map_interpreter(elf_phdata, &interp_elf_ex,
-					 interpreter, &interp_load_addr,
-					 elf_ex.e_phnum, old_fs, &elf_entry);
-		kfree(elf_interpreter);
-		if (retval) {
-			set_fs(old_fs);
-			printk("Unable to load IRIX ELF interpreter\n");
-			send_sig(SIGSEGV, current, 0);
-			retval = 0;
-			goto out_free_file;
-		}
-	}
-
-	set_fs(old_fs);
-
-	kfree(elf_phdata);
-	set_personality(PER_IRIX32);
-	set_binfmt(&irix_format);
-	compute_creds(bprm);
-	current->flags &= ~PF_FORKNOEXEC;
-	bprm->p = (unsigned long)
-	  create_irix_tables((char *)bprm->p, bprm->argc, bprm->envc,
-			(elf_interpreter ? &elf_ex : NULL),
-			load_addr, interp_load_addr, regs, elf_ephdr);
-	current->mm->start_brk = current->mm->brk = elf_brk;
-	current->mm->end_code = end_code;
-	current->mm->start_code = start_code;
-	current->mm->end_data = end_data;
-	current->mm->start_stack = bprm->p;
-
-	/* Calling set_brk effectively mmaps the pages that we need for the
-	 * bss and break sections.
-	 */
-	set_brk(elf_bss, elf_brk);
-
-	/*
-	 * IRIX maps a page at 0x200000 which holds some system
-	 * information.  Programs depend on this.
-	 */
-	if (irix_map_prda_page())
-		goto out_free_dentry;
-
-	padzero(elf_bss);
-
-	pr_debug("(start_brk) %lx\n" , (long) current->mm->start_brk);
-	pr_debug("(end_code) %lx\n" , (long) current->mm->end_code);
-	pr_debug("(start_code) %lx\n" , (long) current->mm->start_code);
-	pr_debug("(end_data) %lx\n" , (long) current->mm->end_data);
-	pr_debug("(start_stack) %lx\n" , (long) current->mm->start_stack);
-	pr_debug("(brk) %lx\n" , (long) current->mm->brk);
-
-#if 0 /* XXX No fucking way dude... */
-	/* Why this, you ask???  Well SVr4 maps page 0 as read-only,
-	 * and some applications "depend" upon this behavior.
-	 * Since we do not have the power to recompile these, we
-	 * emulate the SVr4 behavior.  Sigh.
-	 */
-	down_write(&current->mm->mmap_sem);
-	(void) do_mmap(NULL, 0, 4096, PROT_READ | PROT_EXEC,
-		       MAP_FIXED | MAP_PRIVATE, 0);
-	up_write(&current->mm->mmap_sem);
-#endif
-
-	start_thread(regs, elf_entry, bprm->p);
-	if (current->ptrace & PT_PTRACED)
-		send_sig(SIGTRAP, current, 0);
-	return 0;
-out:
-	return retval;
-
-out_free_dentry:
-	allow_write_access(interpreter);
-	fput(interpreter);
-out_free_interp:
-	kfree(elf_interpreter);
-out_free_file:
-out_free_ph:
-	kfree(elf_phdata);
-	goto out;
-}
-
-/* This is really simpleminded and specialized - we are loading an
- * a.out library that is given an ELF header.
- */
-static int load_irix_library(struct file *file)
-{
-	struct elfhdr elf_ex;
-	struct elf_phdr *elf_phdata  =  NULL;
-	unsigned int len = 0;
-	int elf_bss = 0;
-	int retval;
-	unsigned int bss;
-	int error;
-	int i, j, k;
-
-	error = kernel_read(file, 0, (char *) &elf_ex, sizeof(elf_ex));
-	if (error != sizeof(elf_ex))
-		return -ENOEXEC;
-
-	if (memcmp(elf_ex.e_ident, ELFMAG, SELFMAG) != 0)
-		return -ENOEXEC;
-
-	/* First of all, some simple consistency checks. */
-	if (elf_ex.e_type != ET_EXEC || elf_ex.e_phnum > 2 ||
-	   !file->f_op->mmap)
-		return -ENOEXEC;
-
-	/* Now read in all of the header information. */
-	if (sizeof(struct elf_phdr) * elf_ex.e_phnum > PAGE_SIZE)
-		return -ENOEXEC;
-
-	elf_phdata = kmalloc(sizeof(struct elf_phdr) * elf_ex.e_phnum, GFP_KERNEL);
-	if (elf_phdata == NULL)
-		return -ENOMEM;
-
-	retval = kernel_read(file, elf_ex.e_phoff, (char *) elf_phdata,
-			   sizeof(struct elf_phdr) * elf_ex.e_phnum);
-
-	j = 0;
-	for (i=0; i<elf_ex.e_phnum; i++)
-		if ((elf_phdata + i)->p_type == PT_LOAD) j++;
-
-	if (j != 1)  {
-		kfree(elf_phdata);
-		return -ENOEXEC;
-	}
-
-	while (elf_phdata->p_type != PT_LOAD) elf_phdata++;
-
-	/* Now use mmap to map the library into memory. */
-	down_write(&current->mm->mmap_sem);
-	error = do_mmap(file,
-			elf_phdata->p_vaddr & 0xfffff000,
-			elf_phdata->p_filesz + (elf_phdata->p_vaddr & 0xfff),
-			PROT_READ | PROT_WRITE | PROT_EXEC,
-			MAP_FIXED | MAP_PRIVATE | MAP_DENYWRITE,
-			elf_phdata->p_offset & 0xfffff000);
-	up_write(&current->mm->mmap_sem);
-
-	k = elf_phdata->p_vaddr + elf_phdata->p_filesz;
-	if (k > elf_bss) elf_bss = k;
-
-	if (error != (elf_phdata->p_vaddr & 0xfffff000)) {
-		kfree(elf_phdata);
-		return error;
-	}
-
-	padzero(elf_bss);
-
-	len = (elf_phdata->p_filesz + elf_phdata->p_vaddr+ 0xfff) & 0xfffff000;
-	bss = elf_phdata->p_memsz + elf_phdata->p_vaddr;
-	if (bss > len) {
-	  down_write(&current->mm->mmap_sem);
-	  do_brk(len, bss-len);
-	  up_write(&current->mm->mmap_sem);
-	}
-	kfree(elf_phdata);
-	return 0;
-}
-
-/* Called through irix_syssgi() to map an elf image given an FD,
- * a phdr ptr USER_PHDRP in userspace, and a count CNT telling how many
- * phdrs there are in the USER_PHDRP array.  We return the vaddr the
- * first phdr was successfully mapped to.
- */
-unsigned long irix_mapelf(int fd, struct elf_phdr __user *user_phdrp, int cnt)
-{
-	unsigned long type, vaddr, filesz, offset, flags;
-	struct elf_phdr __user *hp;
-	struct file *filp;
-	int i, retval;
-
-	pr_debug("irix_mapelf: fd[%d] user_phdrp[%p] cnt[%d]\n",
-	         fd, user_phdrp, cnt);
-
-	/* First get the verification out of the way. */
-	hp = user_phdrp;
-	if (!access_ok(VERIFY_READ, hp, (sizeof(struct elf_phdr) * cnt))) {
-		pr_debug("irix_mapelf: bad pointer to ELF PHDR!\n");
-
-		return -EFAULT;
-	}
-
-	dump_phdrs(user_phdrp, cnt);
-
-	for (i = 0; i < cnt; i++, hp++) {
-		if (__get_user(type, &hp->p_type))
-			return -EFAULT;
-		if (type != PT_LOAD) {
-			printk("irix_mapelf: One section is not PT_LOAD!\n");
-			return -ENOEXEC;
-		}
-	}
-
-	filp = fget(fd);
-	if (!filp)
-		return -EACCES;
-	if (!filp->f_op) {
-		printk("irix_mapelf: Bogon filp!\n");
-		fput(filp);
-		return -EACCES;
-	}
-
-	hp = user_phdrp;
-	for (i = 0; i < cnt; i++, hp++) {
-		int prot;
-
-		retval = __get_user(vaddr, &hp->p_vaddr);
-		retval |= __get_user(filesz, &hp->p_filesz);
-		retval |= __get_user(offset, &hp->p_offset);
-		retval |= __get_user(flags, &hp->p_flags);
-		if (retval)
-			return retval;
-
-		prot  = (flags & PF_R) ? PROT_READ : 0;
-		prot |= (flags & PF_W) ? PROT_WRITE : 0;
-		prot |= (flags & PF_X) ? PROT_EXEC : 0;
-
-		down_write(&current->mm->mmap_sem);
-		retval = do_mmap(filp, (vaddr & 0xfffff000),
-				 (filesz + (vaddr & 0xfff)),
-				 prot, (MAP_FIXED | MAP_PRIVATE | MAP_DENYWRITE),
-				 (offset & 0xfffff000));
-		up_write(&current->mm->mmap_sem);
-
-		if (retval != (vaddr & 0xfffff000)) {
-			printk("irix_mapelf: do_mmap fails with %d!\n", retval);
-			fput(filp);
-			return retval;
-		}
-	}
-
-	pr_debug("irix_mapelf: Success, returning %08lx\n",
-		 (unsigned long) user_phdrp->p_vaddr);
-
-	fput(filp);
-
-	if (__get_user(vaddr, &user_phdrp->p_vaddr))
-		return -EFAULT;
-
-	return vaddr;
-}
-
-/*
- * ELF core dumper
- *
- * Modelled on fs/exec.c:aout_core_dump()
- * Jeremy Fitzhardinge <jeremy@sw.oz.au>
- */
-
-/* These are the only things you should do on a core-file: use only these
- * functions to write out all the necessary info.
- */
-static int dump_write(struct file *file, const void __user *addr, int nr)
-{
-	return file->f_op->write(file, (const char __user *) addr, nr, &file->f_pos) == nr;
-}
-
-static int dump_seek(struct file *file, off_t off)
-{
-	if (file->f_op->llseek) {
-		if (file->f_op->llseek(file, off, 0) != off)
-			return 0;
-	} else
-		file->f_pos = off;
-	return 1;
-}
-
-/* Decide whether a segment is worth dumping; default is yes to be
- * sure (missing info is worse than too much; etc).
- * Personally I'd include everything, and use the coredump limit...
- *
- * I think we should skip something. But I am not sure how. H.J.
- */
-static inline int maydump(struct vm_area_struct *vma)
-{
-	if (!(vma->vm_flags & (VM_READ|VM_WRITE|VM_EXEC)))
-		return 0;
-#if 1
-	if (vma->vm_flags & (VM_WRITE|VM_GROWSUP|VM_GROWSDOWN))
-		return 1;
-	if (vma->vm_flags & (VM_READ|VM_EXEC|VM_EXECUTABLE|VM_SHARED))
-		return 0;
-#endif
-	return 1;
-}
-
-/* An ELF note in memory. */
-struct memelfnote
-{
-	const char *name;
-	int type;
-	unsigned int datasz;
-	void *data;
-};
-
-static int notesize(struct memelfnote *en)
-{
-	int sz;
-
-	sz = sizeof(struct elf_note);
-	sz += roundup(strlen(en->name) + 1, 4);
-	sz += roundup(en->datasz, 4);
-
-	return sz;
-}
-
-#define DUMP_WRITE(addr, nr)	\
-	if (!dump_write(file, (addr), (nr))) \
-		goto end_coredump;
-#define DUMP_SEEK(off)	\
-	if (!dump_seek(file, (off))) \
-		goto end_coredump;
-
-static int writenote(struct memelfnote *men, struct file *file)
-{
-	struct elf_note en;
-
-	en.n_namesz = strlen(men->name) + 1;
-	en.n_descsz = men->datasz;
-	en.n_type = men->type;
-
-	DUMP_WRITE(&en, sizeof(en));
-	DUMP_WRITE(men->name, en.n_namesz);
-	/* XXX - cast from long long to long to avoid need for libgcc.a */
-	DUMP_SEEK(roundup((unsigned long)file->f_pos, 4));	/* XXX */
-	DUMP_WRITE(men->data, men->datasz);
-	DUMP_SEEK(roundup((unsigned long)file->f_pos, 4));	/* XXX */
-
-	return 1;
-
-end_coredump:
-	return 0;
-}
-#undef DUMP_WRITE
-#undef DUMP_SEEK
-
-#define DUMP_WRITE(addr, nr)	\
-	if (!dump_write(file, (addr), (nr))) \
-		goto end_coredump;
-#define DUMP_SEEK(off)	\
-	if (!dump_seek(file, (off))) \
-		goto end_coredump;
-
-/* Actual dumper.
- *
- * This is a two-pass process; first we find the offsets of the bits,
- * and then they are actually written out.  If we run out of core limit
- * we just truncate.
- */
-static int irix_core_dump(long signr, struct pt_regs *regs, struct file *file, unsigned long limit)
-{
-	int has_dumped = 0;
-	mm_segment_t fs;
-	int segs;
-	int i;
-	size_t size;
-	struct vm_area_struct *vma;
-	struct elfhdr elf;
-	off_t offset = 0, dataoff;
-	int numnote = 3;
-	struct memelfnote notes[3];
-	struct elf_prstatus prstatus;	/* NT_PRSTATUS */
-	elf_fpregset_t fpu;		/* NT_PRFPREG */
-	struct elf_prpsinfo psinfo;	/* NT_PRPSINFO */
-
-	/* Count what's needed to dump, up to the limit of coredump size. */
-	segs = 0;
-	size = 0;
-	for (vma = current->mm->mmap; vma != NULL; vma = vma->vm_next) {
-		if (maydump(vma))
-		{
-			int sz = vma->vm_end-vma->vm_start;
-
-			if (size+sz >= limit)
-				break;
-			else
-				size += sz;
-		}
-
-		segs++;
-	}
-	pr_debug("irix_core_dump: %d segs taking %d bytes\n", segs, size);
-
-	/* Set up header. */
-	memcpy(elf.e_ident, ELFMAG, SELFMAG);
-	elf.e_ident[EI_CLASS] = ELFCLASS32;
-	elf.e_ident[EI_DATA] = ELFDATA2LSB;
-	elf.e_ident[EI_VERSION] = EV_CURRENT;
-	elf.e_ident[EI_OSABI] = ELF_OSABI;
-	memset(elf.e_ident+EI_PAD, 0, EI_NIDENT-EI_PAD);
-
-	elf.e_type = ET_CORE;
-	elf.e_machine = ELF_ARCH;
-	elf.e_version = EV_CURRENT;
-	elf.e_entry = 0;
-	elf.e_phoff = sizeof(elf);
-	elf.e_shoff = 0;
-	elf.e_flags = 0;
-	elf.e_ehsize = sizeof(elf);
-	elf.e_phentsize = sizeof(struct elf_phdr);
-	elf.e_phnum = segs+1;		/* Include notes. */
-	elf.e_shentsize = 0;
-	elf.e_shnum = 0;
-	elf.e_shstrndx = 0;
-
-	fs = get_fs();
-	set_fs(KERNEL_DS);
-
-	has_dumped = 1;
-	current->flags |= PF_DUMPCORE;
-
-	DUMP_WRITE(&elf, sizeof(elf));
-	offset += sizeof(elf);				/* Elf header. */
-	offset += (segs+1) * sizeof(struct elf_phdr);	/* Program headers. */
-
-	/* Set up the notes in similar form to SVR4 core dumps made
-	 * with info from their /proc.
-	 */
-	memset(&psinfo, 0, sizeof(psinfo));
-	memset(&prstatus, 0, sizeof(prstatus));
-
-	notes[0].name = "CORE";
-	notes[0].type = NT_PRSTATUS;
-	notes[0].datasz = sizeof(prstatus);
-	notes[0].data = &prstatus;
-	prstatus.pr_info.si_signo = prstatus.pr_cursig = signr;
-	prstatus.pr_sigpend = current->pending.signal.sig[0];
-	prstatus.pr_sighold = current->blocked.sig[0];
-	psinfo.pr_pid = prstatus.pr_pid = task_pid_vnr(current);
-	psinfo.pr_ppid = prstatus.pr_ppid = task_pid_vnr(current->parent);
-	psinfo.pr_pgrp = prstatus.pr_pgrp = task_pgrp_vnr(current);
-	psinfo.pr_sid = prstatus.pr_sid = task_session_vnr(current);
-	if (thread_group_leader(current)) {
-		/*
-		 * This is the record for the group leader.  Add in the
-		 * cumulative times of previous dead threads.  This total
-		 * won't include the time of each live thread whose state
-		 * is included in the core dump.  The final total reported
-		 * to our parent process when it calls wait4 will include
-		 * those sums as well as the little bit more time it takes
-		 * this and each other thread to finish dying after the
-		 * core dump synchronization phase.
-		 */
-		jiffies_to_timeval(current->utime + current->signal->utime,
-		                   &prstatus.pr_utime);
-		jiffies_to_timeval(current->stime + current->signal->stime,
-		                   &prstatus.pr_stime);
-	} else {
-		jiffies_to_timeval(current->utime, &prstatus.pr_utime);
-		jiffies_to_timeval(current->stime, &prstatus.pr_stime);
-	}
-	jiffies_to_timeval(current->signal->cutime, &prstatus.pr_cutime);
-	jiffies_to_timeval(current->signal->cstime, &prstatus.pr_cstime);
-
-	if (sizeof(elf_gregset_t) != sizeof(struct pt_regs)) {
-		printk("sizeof(elf_gregset_t) (%d) != sizeof(struct pt_regs) "
-		       "(%d)\n", sizeof(elf_gregset_t), sizeof(struct pt_regs));
-	} else {
-		*(struct pt_regs *)&prstatus.pr_reg = *regs;
-	}
-
-	notes[1].name = "CORE";
-	notes[1].type = NT_PRPSINFO;
-	notes[1].datasz = sizeof(psinfo);
-	notes[1].data = &psinfo;
-	i = current->state ? ffz(~current->state) + 1 : 0;
-	psinfo.pr_state = i;
-	psinfo.pr_sname = (i < 0 || i > 5) ? '.' : "RSDZTD"[i];
-	psinfo.pr_zomb = psinfo.pr_sname == 'Z';
-	psinfo.pr_nice = task_nice(current);
-	psinfo.pr_flag = current->flags;
-	psinfo.pr_uid = current->uid;
-	psinfo.pr_gid = current->gid;
-	{
-		int i, len;
-
-		set_fs(fs);
-
-		len = current->mm->arg_end - current->mm->arg_start;
-		len = len >= ELF_PRARGSZ ? ELF_PRARGSZ : len;
-		(void *) copy_from_user(&psinfo.pr_psargs,
-			       (const char __user *)current->mm->arg_start, len);
-		for (i = 0; i < len; i++)
-			if (psinfo.pr_psargs[i] == 0)
-				psinfo.pr_psargs[i] = ' ';
-		psinfo.pr_psargs[len] = 0;
-
-		set_fs(KERNEL_DS);
-	}
-	strlcpy(psinfo.pr_fname, current->comm, sizeof(psinfo.pr_fname));
-
-	/* Try to dump the FPU. */
-	prstatus.pr_fpvalid = dump_fpu(regs, &fpu);
-	if (!prstatus.pr_fpvalid) {
-		numnote--;
-	} else {
-		notes[2].name = "CORE";
-		notes[2].type = NT_PRFPREG;
-		notes[2].datasz = sizeof(fpu);
-		notes[2].data = &fpu;
-	}
-
-	/* Write notes phdr entry. */
-	{
-		struct elf_phdr phdr;
-		int sz = 0;
-
-		for (i = 0; i < numnote; i++)
-			sz += notesize(&notes[i]);
-
-		phdr.p_type = PT_NOTE;
-		phdr.p_offset = offset;
-		phdr.p_vaddr = 0;
-		phdr.p_paddr = 0;
-		phdr.p_filesz = sz;
-		phdr.p_memsz = 0;
-		phdr.p_flags = 0;
-		phdr.p_align = 0;
-
-		offset += phdr.p_filesz;
-		DUMP_WRITE(&phdr, sizeof(phdr));
-	}
-
-	/* Page-align dumped data. */
-	dataoff = offset = roundup(offset, PAGE_SIZE);
-
-	/* Write program headers for segments dump. */
-	for (vma = current->mm->mmap, i = 0;
-		i < segs && vma != NULL; vma = vma->vm_next) {
-		struct elf_phdr phdr;
-		size_t sz;
-
-		i++;
-
-		sz = vma->vm_end - vma->vm_start;
-
-		phdr.p_type = PT_LOAD;
-		phdr.p_offset = offset;
-		phdr.p_vaddr = vma->vm_start;
-		phdr.p_paddr = 0;
-		phdr.p_filesz = maydump(vma) ? sz : 0;
-		phdr.p_memsz = sz;
-		offset += phdr.p_filesz;
-		phdr.p_flags = vma->vm_flags & VM_READ ? PF_R : 0;
-		if (vma->vm_flags & VM_WRITE)
-			phdr.p_flags |= PF_W;
-		if (vma->vm_flags & VM_EXEC)
-			phdr.p_flags |= PF_X;
-		phdr.p_align = PAGE_SIZE;
-
-		DUMP_WRITE(&phdr, sizeof(phdr));
-	}
-
-	for (i = 0; i < numnote; i++)
-		if (!writenote(&notes[i], file))
-			goto end_coredump;
-
-	set_fs(fs);
-
-	DUMP_SEEK(dataoff);
-
-	for (i = 0, vma = current->mm->mmap;
-	    i < segs && vma != NULL;
-	    vma = vma->vm_next) {
-		unsigned long addr = vma->vm_start;
-		unsigned long len = vma->vm_end - vma->vm_start;
-
-		if (!maydump(vma))
-			continue;
-		i++;
-		pr_debug("elf_core_dump: writing %08lx %lx\n", addr, len);
-		DUMP_WRITE((void __user *)addr, len);
-	}
-
-	if ((off_t) file->f_pos != offset) {
-		/* Sanity check. */
-		printk("elf_core_dump: file->f_pos (%ld) != offset (%ld)\n",
-		       (off_t) file->f_pos, offset);
-	}
-
-end_coredump:
-	set_fs(fs);
-	return has_dumped;
-}
-
-static int __init init_irix_binfmt(void)
-{
-	extern int init_inventory(void);
-	extern asmlinkage unsigned long sys_call_table;
-	extern asmlinkage unsigned long sys_call_table_irix5;
-
-	init_inventory();
-
-	/*
-	 * Copy the IRIX5 syscall table (8000 bytes) into the main syscall
-	 * table. The IRIX5 calls are located by an offset of 8000 bytes
-	 * from the beginning of the main table.
-	 */
-	memcpy((void *) ((unsigned long) &sys_call_table + 8000),
-		&sys_call_table_irix5, 8000);
-
-	return register_binfmt(&irix_format);
-}
-
-static void __exit exit_irix_binfmt(void)
-{
-	/*
-	 * Remove the Irix ELF loader.
-	 */
-	unregister_binfmt(&irix_format);
-}
-
-module_init(init_irix_binfmt)
-module_exit(exit_irix_binfmt)