Adding qemu as a submodule of KVMFORNFV

This Patch includes the changes to add qemu as a submodule to
kvmfornfv repo and make use of the updated latest qemu for the
execution of all testcase
Change-Id: I1280af507a857675c7f81d30c95255635667bdd7
Signed-off-by:RajithaY<rajithax.yerrumsetty@intel.com>

1 files changed, 0 insertions, 808 deletions

diff --git a/qemu/linux-user/flatload.c b/qemu/linux-user/flatload.c
deleted file mode 100644
index f9139c399..000000000
--- a/qemu/linux-user/flatload.c
+++ /dev/null
@@ -1,808 +0,0 @@
-/****************************************************************************/
-/*
- *  QEMU bFLT binary loader.  Based on linux/fs/binfmt_flat.c
- *
- *  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.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program; if not, see <http://www.gnu.org/licenses/>.
- *
- *      Copyright (C) 2006 CodeSourcery.
- *	Copyright (C) 2000-2003 David McCullough <davidm@snapgear.com>
- *	Copyright (C) 2002 Greg Ungerer <gerg@snapgear.com>
- *	Copyright (C) 2002 SnapGear, by Paul Dale <pauli@snapgear.com>
- *	Copyright (C) 2000, 2001 Lineo, by David McCullough <davidm@lineo.com>
- *  based heavily on:
- *
- *  linux/fs/binfmt_aout.c:
- *      Copyright (C) 1991, 1992, 1996  Linus Torvalds
- *  linux/fs/binfmt_flat.c for 2.0 kernel
- *	    Copyright (C) 1998  Kenneth Albanowski <kjahds@kjahds.com>
- *	JAN/99 -- coded full program relocation (gerg@snapgear.com)
- */
-
-/* ??? ZFLAT and shared library support is currently disabled.  */
-
-/****************************************************************************/
-
-#include "qemu/osdep.h"
-#include <sys/mman.h>
-
-#include "qemu.h"
-#include "flat.h"
-#include <target_flat.h>
-
-//#define DEBUG
-
-#ifdef DEBUG
-#define	DBG_FLT(...)	printf(__VA_ARGS__)
-#else
-#define	DBG_FLT(...)
-#endif
-
-#define RELOC_FAILED 0xff00ff01		/* Relocation incorrect somewhere */
-#define UNLOADED_LIB 0x7ff000ff		/* Placeholder for unused library */
-
-struct lib_info {
-    abi_ulong start_code;       /* Start of text segment */
-    abi_ulong start_data;       /* Start of data segment */
-    abi_ulong end_data;         /* Start of bss section */
-    abi_ulong start_brk;        /* End of data segment */
-    abi_ulong text_len;	        /* Length of text segment */
-    abi_ulong entry;	        /* Start address for this module */
-    abi_ulong build_date;       /* When this one was compiled */
-    short loaded;		/* Has this library been loaded? */
-};
-
-#ifdef CONFIG_BINFMT_SHARED_FLAT
-static int load_flat_shared_library(int id, struct lib_info *p);
-#endif
-
-struct linux_binprm;
-
-/****************************************************************************/
-/*
- * create_flat_tables() parses the env- and arg-strings in new user
- * memory and creates the pointer tables from them, and puts their
- * addresses on the "stack", returning the new stack pointer value.
- */
-
-/* Push a block of strings onto the guest stack.  */
-static abi_ulong copy_strings(abi_ulong p, int n, char **s)
-{
-    int len;
-
-    while (n-- > 0) {
-        len = strlen(s[n]) + 1;
-        p -= len;
-        memcpy_to_target(p, s[n], len);
-    }
-
-    return p;
-}
-
-static int target_pread(int fd, abi_ulong ptr, abi_ulong len,
-                        abi_ulong offset)
-{
-    void *buf;
-    int ret;
-
-    buf = lock_user(VERIFY_WRITE, ptr, len, 0);
-    ret = pread(fd, buf, len, offset);
-    unlock_user(buf, ptr, len);
-    return ret;
-}
-/****************************************************************************/
-
-#ifdef CONFIG_BINFMT_ZFLAT
-
-#include <linux/zlib.h>
-
-#define LBUFSIZE	4000
-
-/* gzip flag byte */
-#define ASCII_FLAG   0x01 /* bit 0 set: file probably ASCII text */
-#define CONTINUATION 0x02 /* bit 1 set: continuation of multi-part gzip file */
-#define EXTRA_FIELD  0x04 /* bit 2 set: extra field present */
-#define ORIG_NAME    0x08 /* bit 3 set: original file name present */
-#define COMMENT      0x10 /* bit 4 set: file comment present */
-#define ENCRYPTED    0x20 /* bit 5 set: file is encrypted */
-#define RESERVED     0xC0 /* bit 6,7:   reserved */
-
-static int decompress_exec(
-	struct linux_binprm *bprm,
-	unsigned long offset,
-	char *dst,
-	long len,
-	int fd)
-{
-	unsigned char *buf;
-	z_stream strm;
-	loff_t fpos;
-	int ret, retval;
-
-	DBG_FLT("decompress_exec(offset=%x,buf=%x,len=%x)\n",(int)offset, (int)dst, (int)len);
-
-	memset(&strm, 0, sizeof(strm));
-	strm.workspace = kmalloc(zlib_inflate_workspacesize(), GFP_KERNEL);
-	if (strm.workspace == NULL) {
-		DBG_FLT("binfmt_flat: no memory for decompress workspace\n");
-		return -ENOMEM;
-	}
-	buf = kmalloc(LBUFSIZE, GFP_KERNEL);
-	if (buf == NULL) {
-		DBG_FLT("binfmt_flat: no memory for read buffer\n");
-		retval = -ENOMEM;
-		goto out_free;
-	}
-
-	/* Read in first chunk of data and parse gzip header. */
-	fpos = offset;
-	ret = bprm->file->f_op->read(bprm->file, buf, LBUFSIZE, &fpos);
-
-	strm.next_in = buf;
-	strm.avail_in = ret;
-	strm.total_in = 0;
-
-	retval = -ENOEXEC;
-
-	/* Check minimum size -- gzip header */
-	if (ret < 10) {
-		DBG_FLT("binfmt_flat: file too small?\n");
-		goto out_free_buf;
-	}
-
-	/* Check gzip magic number */
-	if ((buf[0] != 037) || ((buf[1] != 0213) && (buf[1] != 0236))) {
-		DBG_FLT("binfmt_flat: unknown compression magic?\n");
-		goto out_free_buf;
-	}
-
-	/* Check gzip method */
-	if (buf[2] != 8) {
-		DBG_FLT("binfmt_flat: unknown compression method?\n");
-		goto out_free_buf;
-	}
-	/* Check gzip flags */
-	if ((buf[3] & ENCRYPTED) || (buf[3] & CONTINUATION) ||
-	    (buf[3] & RESERVED)) {
-		DBG_FLT("binfmt_flat: unknown flags?\n");
-		goto out_free_buf;
-	}
-
-	ret = 10;
-	if (buf[3] & EXTRA_FIELD) {
-		ret += 2 + buf[10] + (buf[11] << 8);
-		if (unlikely(LBUFSIZE == ret)) {
-			DBG_FLT("binfmt_flat: buffer overflow (EXTRA)?\n");
-			goto out_free_buf;
-		}
-	}
-	if (buf[3] & ORIG_NAME) {
-		for (; ret < LBUFSIZE && (buf[ret] != 0); ret++)
-			;
-		if (unlikely(LBUFSIZE == ret)) {
-			DBG_FLT("binfmt_flat: buffer overflow (ORIG_NAME)?\n");
-			goto out_free_buf;
-		}
-	}
-	if (buf[3] & COMMENT) {
-		for (;  ret < LBUFSIZE && (buf[ret] != 0); ret++)
-			;
-		if (unlikely(LBUFSIZE == ret)) {
-			DBG_FLT("binfmt_flat: buffer overflow (COMMENT)?\n");
-			goto out_free_buf;
-		}
-	}
-
-	strm.next_in += ret;
-	strm.avail_in -= ret;
-
-	strm.next_out = dst;
-	strm.avail_out = len;
-	strm.total_out = 0;
-
-	if (zlib_inflateInit2(&strm, -MAX_WBITS) != Z_OK) {
-		DBG_FLT("binfmt_flat: zlib init failed?\n");
-		goto out_free_buf;
-	}
-
-	while ((ret = zlib_inflate(&strm, Z_NO_FLUSH)) == Z_OK) {
-		ret = bprm->file->f_op->read(bprm->file, buf, LBUFSIZE, &fpos);
-		if (ret <= 0)
-			break;
-		if (ret >= (unsigned long) -4096)
-			break;
-		len -= ret;
-
-		strm.next_in = buf;
-		strm.avail_in = ret;
-		strm.total_in = 0;
-	}
-
-	if (ret < 0) {
-		DBG_FLT("binfmt_flat: decompression failed (%d), %s\n",
-			ret, strm.msg);
-		goto out_zlib;
-	}
-
-	retval = 0;
-out_zlib:
-	zlib_inflateEnd(&strm);
-out_free_buf:
-	kfree(buf);
-out_free:
-	kfree(strm.workspace);
-out:
-	return retval;
-}
-
-#endif /* CONFIG_BINFMT_ZFLAT */
-
-/****************************************************************************/
-
-static abi_ulong
-calc_reloc(abi_ulong r, struct lib_info *p, int curid, int internalp)
-{
-    abi_ulong addr;
-    int id;
-    abi_ulong start_brk;
-    abi_ulong start_data;
-    abi_ulong text_len;
-    abi_ulong start_code;
-
-#ifdef CONFIG_BINFMT_SHARED_FLAT
-#error needs checking
-    if (r == 0)
-        id = curid;	/* Relocs of 0 are always self referring */
-    else {
-        id = (r >> 24) & 0xff;	/* Find ID for this reloc */
-        r &= 0x00ffffff;	/* Trim ID off here */
-    }
-    if (id >= MAX_SHARED_LIBS) {
-        fprintf(stderr, "BINFMT_FLAT: reference 0x%x to shared library %d\n",
-                (unsigned) r, id);
-        goto failed;
-    }
-    if (curid != id) {
-        if (internalp) {
-            fprintf(stderr, "BINFMT_FLAT: reloc address 0x%x not "
-                    "in same module (%d != %d)\n",
-                    (unsigned) r, curid, id);
-            goto failed;
-        } else if ( ! p[id].loaded &&
-                    load_flat_shared_library(id, p) > (unsigned long) -4096) {
-            fprintf(stderr, "BINFMT_FLAT: failed to load library %d\n", id);
-            goto failed;
-        }
-        /* Check versioning information (i.e. time stamps) */
-        if (p[id].build_date && p[curid].build_date
-            && p[curid].build_date < p[id].build_date) {
-            fprintf(stderr, "BINFMT_FLAT: library %d is younger than %d\n",
-                    id, curid);
-            goto failed;
-        }
-    }
-#else
-    id = 0;
-#endif
-
-    start_brk = p[id].start_brk;
-    start_data = p[id].start_data;
-    start_code = p[id].start_code;
-    text_len = p[id].text_len;
-
-    if (!flat_reloc_valid(r, start_brk - start_data + text_len)) {
-        fprintf(stderr, "BINFMT_FLAT: reloc outside program 0x%x "
-                "(0 - 0x%x/0x%x)\n",
-               (int) r,(int)(start_brk-start_code),(int)text_len);
-        goto failed;
-    }
-
-    if (r < text_len)			/* In text segment */
-        addr = r + start_code;
-    else					/* In data segment */
-        addr = r - text_len + start_data;
-
-    /* Range checked already above so doing the range tests is redundant...*/
-    return(addr);
-
-failed:
-    abort();
-    return RELOC_FAILED;
-}
-
-/****************************************************************************/
-
-/* ??? This does not handle endianness correctly.  */
-static void old_reloc(struct lib_info *libinfo, uint32_t rl)
-{
-#ifdef DEBUG
-	const char *segment[] = { "TEXT", "DATA", "BSS", "*UNKNOWN*" };
-#endif
-	uint32_t *ptr;
-        uint32_t offset;
-        int reloc_type;
-
-        offset = rl & 0x3fffffff;
-        reloc_type = rl >> 30;
-        /* ??? How to handle this?  */
-#if defined(CONFIG_COLDFIRE)
-	ptr = (uint32_t *) ((unsigned long) libinfo->start_code + offset);
-#else
-	ptr = (uint32_t *) ((unsigned long) libinfo->start_data + offset);
-#endif
-
-#ifdef DEBUG
-	fprintf(stderr, "Relocation of variable at DATASEG+%x "
-		"(address %p, currently %x) into segment %s\n",
-		offset, ptr, (int)*ptr, segment[reloc_type]);
-#endif
-
-	switch (reloc_type) {
-	case OLD_FLAT_RELOC_TYPE_TEXT:
-		*ptr += libinfo->start_code;
-		break;
-	case OLD_FLAT_RELOC_TYPE_DATA:
-		*ptr += libinfo->start_data;
-		break;
-	case OLD_FLAT_RELOC_TYPE_BSS:
-		*ptr += libinfo->end_data;
-		break;
-	default:
-		fprintf(stderr, "BINFMT_FLAT: Unknown relocation type=%x\n",
-                        reloc_type);
-		break;
-	}
-	DBG_FLT("Relocation became %x\n", (int)*ptr);
-}
-
-/****************************************************************************/
-
-static int load_flat_file(struct linux_binprm * bprm,
-		struct lib_info *libinfo, int id, abi_ulong *extra_stack)
-{
-    struct flat_hdr * hdr;
-    abi_ulong textpos = 0, datapos = 0;
-    abi_long result;
-    abi_ulong realdatastart = 0;
-    abi_ulong text_len, data_len, bss_len, stack_len, flags;
-    abi_ulong extra;
-    abi_ulong reloc = 0, rp;
-    int i, rev, relocs = 0;
-    abi_ulong fpos;
-    abi_ulong start_code;
-    abi_ulong indx_len;
-
-    hdr = ((struct flat_hdr *) bprm->buf);		/* exec-header */
-
-    text_len  = ntohl(hdr->data_start);
-    data_len  = ntohl(hdr->data_end) - ntohl(hdr->data_start);
-    bss_len   = ntohl(hdr->bss_end) - ntohl(hdr->data_end);
-    stack_len = ntohl(hdr->stack_size);
-    if (extra_stack) {
-        stack_len += *extra_stack;
-        *extra_stack = stack_len;
-    }
-    relocs    = ntohl(hdr->reloc_count);
-    flags     = ntohl(hdr->flags);
-    rev       = ntohl(hdr->rev);
-
-    DBG_FLT("BINFMT_FLAT: Loading file: %s\n", bprm->filename);
-
-    if (rev != FLAT_VERSION && rev != OLD_FLAT_VERSION) {
-        fprintf(stderr, "BINFMT_FLAT: bad magic/rev (0x%x, need 0x%x)\n",
-                rev, (int) FLAT_VERSION);
-        return -ENOEXEC;
-    }
-
-    /* Don't allow old format executables to use shared libraries */
-    if (rev == OLD_FLAT_VERSION && id != 0) {
-        fprintf(stderr, "BINFMT_FLAT: shared libraries are not available\n");
-        return -ENOEXEC;
-    }
-
-    /*
-     * fix up the flags for the older format,  there were all kinds
-     * of endian hacks,  this only works for the simple cases
-     */
-    if (rev == OLD_FLAT_VERSION && flat_old_ram_flag(flags))
-        flags = FLAT_FLAG_RAM;
-
-#ifndef CONFIG_BINFMT_ZFLAT
-    if (flags & (FLAT_FLAG_GZIP|FLAT_FLAG_GZDATA)) {
-        fprintf(stderr, "Support for ZFLAT executables is not enabled\n");
-        return -ENOEXEC;
-    }
-#endif
-
-    /*
-     * calculate the extra space we need to map in
-     */
-    extra = relocs * sizeof(abi_ulong);
-    if (extra < bss_len + stack_len)
-        extra = bss_len + stack_len;
-
-    /* Add space for library base pointers.  Make sure this does not
-       misalign the  doesn't misalign the data segment.  */
-    indx_len = MAX_SHARED_LIBS * sizeof(abi_ulong);
-    indx_len = (indx_len + 15) & ~(abi_ulong)15;
-
-    /*
-     * there are a couple of cases here,  the separate code/data
-     * case,  and then the fully copied to RAM case which lumps
-     * it all together.
-     */
-    if ((flags & (FLAT_FLAG_RAM|FLAT_FLAG_GZIP)) == 0) {
-        /*
-         * this should give us a ROM ptr,  but if it doesn't we don't
-         * really care
-         */
-        DBG_FLT("BINFMT_FLAT: ROM mapping of file (we hope)\n");
-
-        textpos = target_mmap(0, text_len, PROT_READ|PROT_EXEC,
-                              MAP_PRIVATE, bprm->fd, 0);
-        if (textpos == -1) {
-            fprintf(stderr, "Unable to mmap process text\n");
-            return -1;
-        }
-
-        realdatastart = target_mmap(0, data_len + extra + indx_len,
-                                    PROT_READ|PROT_WRITE|PROT_EXEC,
-                                    MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
-
-        if (realdatastart == -1) {
-            fprintf(stderr, "Unable to allocate RAM for process data\n");
-            return realdatastart;
-        }
-        datapos = realdatastart + indx_len;
-
-        DBG_FLT("BINFMT_FLAT: Allocated data+bss+stack (%d bytes): %x\n",
-                        (int)(data_len + bss_len + stack_len), (int)datapos);
-
-        fpos = ntohl(hdr->data_start);
-#ifdef CONFIG_BINFMT_ZFLAT
-        if (flags & FLAT_FLAG_GZDATA) {
-            result = decompress_exec(bprm, fpos, (char *) datapos,
-                                     data_len + (relocs * sizeof(abi_ulong)))
-        } else
-#endif
-        {
-            result = target_pread(bprm->fd, datapos,
-                                  data_len + (relocs * sizeof(abi_ulong)),
-                                  fpos);
-        }
-        if (result < 0) {
-            fprintf(stderr, "Unable to read data+bss\n");
-            return result;
-        }
-
-        reloc = datapos + (ntohl(hdr->reloc_start) - text_len);
-
-    } else {
-
-        textpos = target_mmap(0, text_len + data_len + extra + indx_len,
-                              PROT_READ | PROT_EXEC | PROT_WRITE,
-                              MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
-        if (textpos == -1 ) {
-            fprintf(stderr, "Unable to allocate RAM for process text/data\n");
-            return -1;
-        }
-
-        realdatastart = textpos + ntohl(hdr->data_start);
-        datapos = realdatastart + indx_len;
-        reloc = (textpos + ntohl(hdr->reloc_start) + indx_len);
-
-#ifdef CONFIG_BINFMT_ZFLAT
-#error code needs checking
-        /*
-         * load it all in and treat it like a RAM load from now on
-         */
-        if (flags & FLAT_FLAG_GZIP) {
-                result = decompress_exec(bprm, sizeof (struct flat_hdr),
-                                 (((char *) textpos) + sizeof (struct flat_hdr)),
-                                 (text_len + data_len + (relocs * sizeof(unsigned long))
-                                          - sizeof (struct flat_hdr)),
-                                 0);
-                memmove((void *) datapos, (void *) realdatastart,
-                                data_len + (relocs * sizeof(unsigned long)));
-        } else if (flags & FLAT_FLAG_GZDATA) {
-                fpos = 0;
-                result = bprm->file->f_op->read(bprm->file,
-                                (char *) textpos, text_len, &fpos);
-                if (result < (unsigned long) -4096)
-                        result = decompress_exec(bprm, text_len, (char *) datapos,
-                                         data_len + (relocs * sizeof(unsigned long)), 0);
-        }
-        else
-#endif
-        {
-            result = target_pread(bprm->fd, textpos,
-                                  text_len, 0);
-            if (result >= 0) {
-                result = target_pread(bprm->fd, datapos,
-                    data_len + (relocs * sizeof(abi_ulong)),
-                    ntohl(hdr->data_start));
-            }
-        }
-        if (result < 0) {
-            fprintf(stderr, "Unable to read code+data+bss\n");
-            return result;
-        }
-    }
-
-    DBG_FLT("Mapping is 0x%x, Entry point is 0x%x, data_start is 0x%x\n",
-            (int)textpos, 0x00ffffff&ntohl(hdr->entry),
-            ntohl(hdr->data_start));
-
-    /* The main program needs a little extra setup in the task structure */
-    start_code = textpos + sizeof (struct flat_hdr);
-
-    DBG_FLT("%s %s: TEXT=%x-%x DATA=%x-%x BSS=%x-%x\n",
-            id ? "Lib" : "Load", bprm->filename,
-            (int) start_code, (int) (textpos + text_len),
-            (int) datapos,
-            (int) (datapos + data_len),
-            (int) (datapos + data_len),
-            (int) (((datapos + data_len + bss_len) + 3) & ~3));
-
-    text_len -= sizeof(struct flat_hdr); /* the real code len */
-
-    /* Store the current module values into the global library structure */
-    libinfo[id].start_code = start_code;
-    libinfo[id].start_data = datapos;
-    libinfo[id].end_data = datapos + data_len;
-    libinfo[id].start_brk = datapos + data_len + bss_len;
-    libinfo[id].text_len = text_len;
-    libinfo[id].loaded = 1;
-    libinfo[id].entry = (0x00ffffff & ntohl(hdr->entry)) + textpos;
-    libinfo[id].build_date = ntohl(hdr->build_date);
-
-    /*
-     * We just load the allocations into some temporary memory to
-     * help simplify all this mumbo jumbo
-     *
-     * We've got two different sections of relocation entries.
-     * The first is the GOT which resides at the beginning of the data segment
-     * and is terminated with a -1.  This one can be relocated in place.
-     * The second is the extra relocation entries tacked after the image's
-     * data segment. These require a little more processing as the entry is
-     * really an offset into the image which contains an offset into the
-     * image.
-     */
-    if (flags & FLAT_FLAG_GOTPIC) {
-        rp = datapos;
-        while (1) {
-            abi_ulong addr;
-            if (get_user_ual(addr, rp))
-                return -EFAULT;
-            if (addr == -1)
-                break;
-            if (addr) {
-                addr = calc_reloc(addr, libinfo, id, 0);
-                if (addr == RELOC_FAILED)
-                    return -ENOEXEC;
-                if (put_user_ual(addr, rp))
-                    return -EFAULT;
-            }
-            rp += sizeof(abi_ulong);
-        }
-    }
-
-    /*
-     * Now run through the relocation entries.
-     * We've got to be careful here as C++ produces relocatable zero
-     * entries in the constructor and destructor tables which are then
-     * tested for being not zero (which will always occur unless we're
-     * based from address zero).  This causes an endless loop as __start
-     * is at zero.  The solution used is to not relocate zero addresses.
-     * This has the negative side effect of not allowing a global data
-     * reference to be statically initialised to _stext (I've moved
-     * __start to address 4 so that is okay).
-     */
-    if (rev > OLD_FLAT_VERSION) {
-        abi_ulong persistent = 0;
-        for (i = 0; i < relocs; i++) {
-            abi_ulong addr, relval;
-
-            /* Get the address of the pointer to be
-               relocated (of course, the address has to be
-               relocated first).  */
-            if (get_user_ual(relval, reloc + i * sizeof(abi_ulong)))
-                return -EFAULT;
-            relval = ntohl(relval);
-            if (flat_set_persistent(relval, &persistent))
-                continue;
-            addr = flat_get_relocate_addr(relval);
-            rp = calc_reloc(addr, libinfo, id, 1);
-            if (rp == RELOC_FAILED)
-                return -ENOEXEC;
-
-            /* Get the pointer's value.  */
-            if (get_user_ual(addr, rp))
-                return -EFAULT;
-            addr = flat_get_addr_from_rp(addr, relval, flags, &persistent);
-            if (addr != 0) {
-                /*
-                 * Do the relocation.  PIC relocs in the data section are
-                 * already in target order
-                 */
-                if ((flags & FLAT_FLAG_GOTPIC) == 0)
-                    addr = ntohl(addr);
-                addr = calc_reloc(addr, libinfo, id, 0);
-                if (addr == RELOC_FAILED)
-                    return -ENOEXEC;
-
-                /* Write back the relocated pointer.  */
-                if (flat_put_addr_at_rp(rp, addr, relval))
-                    return -EFAULT;
-            }
-        }
-    } else {
-        for (i = 0; i < relocs; i++) {
-            abi_ulong relval;
-            if (get_user_ual(relval, reloc + i * sizeof(abi_ulong)))
-                return -EFAULT;
-            old_reloc(&libinfo[0], relval);
-        }
-    }
-
-    /* zero the BSS.  */
-    memset(g2h(datapos + data_len), 0, bss_len);
-
-    return 0;
-}
-
-
-/****************************************************************************/
-#ifdef CONFIG_BINFMT_SHARED_FLAT
-
-/*
- * Load a shared library into memory.  The library gets its own data
- * segment (including bss) but not argv/argc/environ.
- */
-
-static int load_flat_shared_library(int id, struct lib_info *libs)
-{
-	struct linux_binprm bprm;
-	int res;
-	char buf[16];
-
-	/* Create the file name */
-	sprintf(buf, "/lib/lib%d.so", id);
-
-	/* Open the file up */
-	bprm.filename = buf;
-	bprm.file = open_exec(bprm.filename);
-	res = PTR_ERR(bprm.file);
-	if (IS_ERR(bprm.file))
-		return res;
-
-	res = prepare_binprm(&bprm);
-
-	if (res <= (unsigned long)-4096)
-		res = load_flat_file(&bprm, libs, id, NULL);
-	if (bprm.file) {
-		allow_write_access(bprm.file);
-		fput(bprm.file);
-		bprm.file = NULL;
-	}
-	return(res);
-}
-
-#endif /* CONFIG_BINFMT_SHARED_FLAT */
-
-int load_flt_binary(struct linux_binprm *bprm, struct image_info *info)
-{
-    struct lib_info libinfo[MAX_SHARED_LIBS];
-    abi_ulong p;
-    abi_ulong stack_len;
-    abi_ulong start_addr;
-    abi_ulong sp;
-    int res;
-    int i, j;
-
-    memset(libinfo, 0, sizeof(libinfo));
-    /*
-     * We have to add the size of our arguments to our stack size
-     * otherwise it's too easy for users to create stack overflows
-     * by passing in a huge argument list.  And yes,  we have to be
-     * pedantic and include space for the argv/envp array as it may have
-     * a lot of entries.
-     */
-    stack_len = 0;
-    for (i = 0; i < bprm->argc; ++i) {
-        /* the argv strings */
-        stack_len += strlen(bprm->argv[i]);
-    }
-    for (i = 0; i < bprm->envc; ++i) {
-        /* the envp strings */
-        stack_len += strlen(bprm->envp[i]);
-    }
-    stack_len += (bprm->argc + 1) * 4; /* the argv array */
-    stack_len += (bprm->envc + 1) * 4; /* the envp array */
-
-
-    res = load_flat_file(bprm, libinfo, 0, &stack_len);
-    if (res > (unsigned long)-4096)
-            return res;
-
-    /* Update data segment pointers for all libraries */
-    for (i=0; i<MAX_SHARED_LIBS; i++) {
-        if (libinfo[i].loaded) {
-            abi_ulong p;
-            p = libinfo[i].start_data;
-            for (j=0; j<MAX_SHARED_LIBS; j++) {
-                p -= 4;
-                /* FIXME - handle put_user() failures */
-                if (put_user_ual(libinfo[j].loaded
-                                 ? libinfo[j].start_data
-                                 : UNLOADED_LIB,
-                                 p))
-                    return -EFAULT;
-            }
-        }
-    }
-
-    p = ((libinfo[0].start_brk + stack_len + 3) & ~3) - 4;
-    DBG_FLT("p=%x\n", (int)p);
-
-    /* Copy argv/envp.  */
-    p = copy_strings(p, bprm->envc, bprm->envp);
-    p = copy_strings(p, bprm->argc, bprm->argv);
-    /* Align stack.  */
-    sp = p & ~(abi_ulong)(sizeof(abi_ulong) - 1);
-    /* Enforce final stack alignment of 16 bytes.  This is sufficient
-       for all current targets, and excess alignment is harmless.  */
-    stack_len = bprm->envc + bprm->argc + 2;
-    stack_len += 3;	/* argc, arvg, argp */
-    stack_len *= sizeof(abi_ulong);
-    if ((sp + stack_len) & 15)
-        sp -= 16 - ((sp + stack_len) & 15);
-    sp = loader_build_argptr(bprm->envc, bprm->argc, sp, p,
-                             flat_argvp_envp_on_stack());
-
-    /* Fake some return addresses to ensure the call chain will
-     * initialise library in order for us.  We are required to call
-     * lib 1 first, then 2, ... and finally the main program (id 0).
-     */
-    start_addr = libinfo[0].entry;
-
-#ifdef CONFIG_BINFMT_SHARED_FLAT
-#error here
-    for (i = MAX_SHARED_LIBS-1; i>0; i--) {
-            if (libinfo[i].loaded) {
-                    /* Push previos first to call address */
-                    --sp;
-                    if (put_user_ual(start_addr, sp))
-                        return -EFAULT;
-                    start_addr = libinfo[i].entry;
-            }
-    }
-#endif
-
-    /* Stash our initial stack pointer into the mm structure */
-    info->start_code = libinfo[0].start_code;
-    info->end_code = libinfo[0].start_code = libinfo[0].text_len;
-    info->start_data = libinfo[0].start_data;
-    info->end_data = libinfo[0].end_data;
-    info->start_brk = libinfo[0].start_brk;
-    info->start_stack = sp;
-    info->stack_limit = libinfo[0].start_brk;
-    info->entry = start_addr;
-    info->code_offset = info->start_code;
-    info->data_offset = info->start_data - libinfo[0].text_len;
-
-    DBG_FLT("start_thread(entry=0x%x, start_stack=0x%x)\n",
-            (int)info->entry, (int)info->start_stack);
-
-    return 0;
-}