[toolchain] uClibc: fix errno access in pthreads (#8166, #8177)

[openwrt.git] / toolchain / uClibc / patches-0.9.31 / 600-ubicom32-uClibc.patch

--- a/Rules.mak
+++ b/Rules.mak
@@ -477,6 +477,17 @@ ifeq ($(TARGET_ARCH),microblaze)
       SYMBOL_PREFIX=_
 endif
 
+ifeq ($(TARGET_ARCH),ubicom32)
+       OPTIMIZATION+=-fstrict-aliasing
+       CPU_CFLAGS-$(CONFIG_UBICOM32_V3)+=-march=ubicom32v3
+       CPU_CFLAGS-$(CONFIG_UBICOM32_V4)+=-march=ubicom32v4
+ifeq ($(UCLIBC_FORMAT_FDPIC_ELF),y)
+       CPU_CFLAGS-y:=-mfdpic
+       CPU_LDFLAGS-y += -Wl,-melf32ubicom32fdpic
+endif
+
+endif
+
 ifeq ($(TARGET_ARCH),v850)
       SYMBOL_PREFIX=_
 endif
--- a/extra/Configs/Config.in
+++ b/extra/Configs/Config.in
@@ -102,6 +102,9 @@ config TARGET_sh64
 config TARGET_sparc
        bool "sparc"
 
+config TARGET_ubicom32
+       bool "ubicom32"
+
 config TARGET_v850
        bool "v850 (BROKEN)"
 
@@ -203,6 +206,10 @@ if TARGET_sparc
 source "extra/Configs/Config.sparc"
 endif
 
+if TARGET_ubicom32
+source "extra/Configs/Config.ubicom32"
+endif
+
 if TARGET_v850
 source "extra/Configs/Config.v850"
 endif
--- a/extra/Configs/Config.in.arch
+++ b/extra/Configs/Config.in.arch
@@ -149,7 +149,7 @@ config UCLIBC_HAS_SOFT_FLOAT
 config DO_C99_MATH
        bool "Enable full C99 math library support"
        depends on UCLIBC_HAS_FLOATS
-       default n
+       default y
        help
          If you want the uClibc math library to contain the full set C99
          math library features, then answer Y.  If you leave this set to
--- /dev/null
+++ b/extra/Configs/Config.ubicom32
@@ -0,0 +1,44 @@
+#
+# For a description of the syntax of this configuration file,
+# see extra/config/Kconfig-language.txt
+#
+
+config TARGET_ARCH
+       string
+       default "ubicom32"
+
+config FORCE_OPTIONS_FOR_ARCH
+       bool
+       default y
+       select ARCH_BIG_ENDIAN
+       select ARCH_HAS_NO_MMU
+
+choice
+       prompt "Target Processor Architecture"
+       default CONFIG_UC_UBICOM32_V3
+       help
+         This selects the instruction set architecture of your Ubicom32 CPU. This
+         information is used for optimizing purposes. To build a library that
+         will run on any Ubicom32 CPU, you can specify "v3" here.
+         If you pick anything other than "v3," there is no
+         guarantee that uClibc will even run on anything other than the
+         selected processor type.
+
+         You should probably select the Ubicom32 ISA that best matches the
+         CPU you will be using on your device. uClibc will be tuned
+         for that architecture.
+
+         If you don't know what to do, choose "v3"
+
+config CONFIG_UC_UBICOM32_V3
+       bool "ISA v3"
+
+config CONFIG_UC_UBICOM32_V4
+       bool "ISA v4"
+endchoice
+
+config ARCH_CFLAGS
+       string
+
+config CROSS
+       string
--- a/include/elf.h
+++ b/include/elf.h
@@ -337,6 +337,8 @@ typedef struct
 
 #define EM_XSTORMY16           0xad45
 
+#define EM_UBICOM32            0xde3d  /* Ubicom32; no ABI */
+
 /* FRV magic number - no EABI available??.  */
 #define EM_CYGNUS_FRV  0x5441
 
@@ -3063,6 +3065,55 @@ typedef Elf32_Addr Elf32_Conflict;
 /* Keep this the last entry.  */
 #define R_XTENSA_NUM           50
 
+/* Ubicom32 ELF relocation types */
+#define R_UBICOM32_NONE               0
+#define R_UBICOM32_16                         1
+#define R_UBICOM32_32                         2
+#define R_UBICOM32_LO16               3
+#define R_UBICOM32_HI16               4
+#define R_UBICOM32_21_PCREL           5
+#define R_UBICOM32_24_PCREL           6
+#define R_UBICOM32_HI24               7
+#define R_UBICOM32_LO7_S              8
+#define R_UBICOM32_LO7_2_S            9
+#define R_UBICOM32_LO7_4_S            10
+#define R_UBICOM32_LO7_D              11
+#define R_UBICOM32_LO7_2_D            12
+#define R_UBICOM32_LO7_4_D            13
+#define R_UBICOM32_32_HARVARD                 14
+#define R_UBICOM32_LO7_CALLI          15
+#define R_UBICOM32_LO16_CALLI                 16
+#define R_UBICOM32_GOT_HI24           17
+#define R_UBICOM32_GOT_LO7_S          18
+#define R_UBICOM32_GOT_LO7_2_S                19
+#define R_UBICOM32_GOT_LO7_4_S                20
+#define R_UBICOM32_GOT_LO7_D          21
+#define R_UBICOM32_GOT_LO7_2_D                22
+#define R_UBICOM32_GOT_LO7_4_D                23
+#define R_UBICOM32_FUNCDESC_GOT_HI24  24
+#define R_UBICOM32_FUNCDESC_GOT_LO7_S 25
+#define R_UBICOM32_FUNCDESC_GOT_LO7_2_S 26
+#define R_UBICOM32_FUNCDESC_GOT_LO7_4_S 27
+#define R_UBICOM32_FUNCDESC_GOT_LO7_D 28
+#define R_UBICOM32_FUNCDESC_GOT_LO7_2_D 29
+#define R_UBICOM32_FUNCDESC_GOT_LO7_4_D 30
+#define R_UBICOM32_GOT_LO7_CALLI      31
+#define R_UBICOM32_FUNCDESC_GOT_LO7_CALLI 32
+#define R_UBICOM32_FUNCDESC_VALUE     33
+#define R_UBICOM32_FUNCDESC           34
+#define R_UBICOM32_GOTOFFSET_LO               35
+#define R_UBICOM32_GOTOFFSET_HI               36
+#define R_UBICOM32_FUNCDESC_GOTOFFSET_LO 37
+#define R_UBICOM32_FUNCDESC_GOTOFFSET_HI 38
+#define R_UBICOM32_GNU_VTINHERIT      200
+#define R_UBICOM32_GNU_VTENTRY                201
+
+/* Ubicom32 Flags. */
+#define EF_UBICOM32_V3                0x00000001      /* -fmarch=ubicom32v3 */
+#define EF_UBICOM32_V4                0x00000002      /* -fmarch=ubicom32v4 */
+#define EF_UBICOM32_PIC               0x80000000      /* -fpic */
+#define EF_UBICOM32_FDPIC             0x40000000      /* -mfdpic */
+
 #ifdef __cplusplus
 }
 #endif
--- a/include/features.h
+++ b/include/features.h
@@ -445,4 +445,10 @@ uClibc was built without large file supp
 # include <libc-internal.h>
 #endif
 
+#ifndef libc_hidden_proto
+#define libc_hidden_proto(name, attrs...)
+#endif
+#ifndef libm_hidden_proto
+#define libm_hidden_proto(name, attrs...)
+#endif
 #endif /* features.h  */
--- a/ldso/ldso/dl-startup.c
+++ b/ldso/ldso/dl-startup.c
@@ -164,10 +164,13 @@ DL_START(unsigned long args)
                aux_dat += 2;
        }
 
+#if !defined __FDPIC__
        /* locate the ELF header.   We need this done as soon as possible
         * (esp since SEND_STDERR() needs this on some platforms... */
        if (!auxvt[AT_BASE].a_un.a_val)
                auxvt[AT_BASE].a_un.a_val = elf_machine_load_address();
+#endif
+
        DL_INIT_LOADADDR_BOOT(load_addr, auxvt[AT_BASE].a_un.a_val);
        header = (ElfW(Ehdr) *) auxvt[AT_BASE].a_un.a_val;
 
--- a/ldso/ldso/ldso.c
+++ b/ldso/ldso/ldso.c
@@ -325,10 +325,12 @@ void _dl_get_ready_to_run(struct elf_res
                _dl_progname = argv[0];
        }
 
+#if 0 // blackfin does this, we do to avoid die during reloc
        if (_start == (void *) auxvt[AT_ENTRY].a_un.a_val) {
                _dl_dprintf(_dl_debug_file, "Standalone execution is not supported yet\n");
                _dl_exit(1);
        }
+#endif
 
        /* Start to build the tables of the modules that are required for
         * this beast to run.  We start with the basic executable, and then
--- /dev/null
+++ b/ldso/ldso/ubicom32/dl-debug.h
@@ -0,0 +1,72 @@
+/* vi: set sw=4 ts=4: */
+/* Ubicom32 ELF shared library loader suppport
+ *
+ * Copyright (c) 2009          Ubicom Inc.
+ * Copyright (c) 1994-2000 Eric Youngdale, Peter MacDonald,
+ *                              David Engel, Hongjiu Lu and Mitch D'Souza
+ * Copyright (C) 2001-2004 Erik Andersen
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. The name of the above contributors may not be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+static const char *_dl_reltypes_tab[] =
+{
+       "R_UBICOM32_NONE", /* 0 */
+       "R_UBICOM32_16",
+       "R_UBICOM32_32",
+       "R_UBICOM32_LO16",
+       "R_UBICOM32_HI16",
+       "R_UBICOM32_21_PCREL", /* 5 */
+       "R_UBICOM32_24_PCREL",
+       "R_UBICOM32_HI24",
+       "R_UBICOM32_LO7_S",
+       "R_UBICOM32_LO7_2_S",
+       "R_UBICOM32_LO7_4_S", /* 10 */
+       "R_UBICOM32_LO7_D",
+       "R_UBICOM32_LO7_2_D",
+       "R_UBICOM32_LO7_4_D",
+       "R_UBICOM32_32_HARVARD",
+       "R_UBICOM32_LO7_CALLI", /* 15 */
+       "R_UBICOM32_LO16_CALLI",
+       "R_UBICOM32_GOT_HI24",
+       "R_UBICOM32_GOT_LO7_S",
+       "R_UBICOM32_GOT_LO7_2_S"
+       "R_UBICOM32_GOT_LO7_4_S", /* 20 */
+       "R_UBICOM32_GOT_LO7_D",
+       "R_UBICOM32_GOT_LO7_2_D",
+       "R_UBICOM32_GOT_LO7_4_D",
+       "R_UBICOM32_FUNCDESC_GOT_HI24   24",
+       "R_UBICOM32_FUNCDESC_GOT_LO7_S", /* 25 */
+       "R_UBICOM32_FUNCDESC_GOT_LO7_2_S",
+       "R_UBICOM32_FUNCDESC_GOT_LO7_4_S",
+       "R_UBICOM32_FUNCDESC_GOT_LO7_D",
+       "R_UBICOM32_FUNCDESC_GOT_LO7_2_D",
+       "R_UBICOM32_FUNCDESC_GOT_LO7_4_D", /* 30 */
+       "R_UBICOM32_GOT_LO7_CALLI",
+       "R_UBICOM32_FUNCDESC_VALUE",
+       "R_UBICOM32_FUNCDESC",
+#if 1
+       [200] "R_UBICOM32_GNU_VTINHERIT" , "R_UBICOM32_GNU_VTENTRY"
+#endif
+};
--- /dev/null
+++ b/ldso/ldso/ubicom32/dl-inlines.h
@@ -0,0 +1,582 @@
+     /* Copyright (C) 2003, 2004 Red Hat, Inc.
+       Contributed by Alexandre Oliva <aoliva@redhat.com>
+
+This file is part of uClibc.
+
+uClibc is free software; you can redistribute it and/or modify it
+under the terms of the GNU Lesser General Public License as
+published by the Free Software Foundation; either version 2.1 of the
+License, or (at your option) any later version.
+
+uClibc 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public
+License along with uClibc; see the file COPYING.LIB.  If not, write to
+the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139,
+USA.  */
+
+//#include <bfin_sram.h>
+#define SRAM_TEST(x) 0
+#ifndef _dl_assert
+# define _dl_assert(expr)
+#endif
+
+/* Initialize a DL_LOADADDR_TYPE given a got pointer and a complete
+   load map.  */
+static __always_inline void
+__dl_init_loadaddr_map (struct elf32_fdpic_loadaddr *loadaddr, Elf32_Addr dl_boot_got_pointer,
+                       struct elf32_fdpic_loadmap *map)
+{
+  if (map->version != 0)
+    {
+      SEND_EARLY_STDERR ("Invalid loadmap version number\n");
+      _dl_exit(-1);
+    }
+  if (map->nsegs == 0)
+    {
+      SEND_EARLY_STDERR ("Invalid segment count in loadmap\n");
+      _dl_exit(-1);
+    }
+  loadaddr->got_value = (void*)dl_boot_got_pointer;
+  loadaddr->map = map;
+}
+
+/* Figure out how many LOAD segments there are in the given headers,
+   and allocate a block for the load map big enough for them.
+   got_value will be properly initialized later on, with INIT_GOT.  */
+static __always_inline int
+__dl_init_loadaddr (struct elf32_fdpic_loadaddr *loadaddr, Elf32_Phdr *ppnt,
+                   int pcnt)
+{
+  int count = 0, i;
+  size_t size;
+
+  for (i = 0; i < pcnt; i++)
+    if (ppnt[i].p_type == PT_LOAD)
+      count++;
+
+  loadaddr->got_value = 0;
+
+  size = sizeof (struct elf32_fdpic_loadmap)
+    + sizeof (struct elf32_fdpic_loadseg) * count;
+  loadaddr->map = _dl_malloc (size);
+  if (! loadaddr->map)
+    _dl_exit (-1);
+
+  loadaddr->map->version = 0;
+  loadaddr->map->nsegs = 0;
+
+  return count;
+}
+
+#if defined (__SUPPORT_LD_DEBUG__)
+extern char *_dl_debug;
+extern int _dl_debug_file;
+#endif
+
+/* Incrementally initialize a load map.  */
+static __always_inline void
+__dl_init_loadaddr_hdr (struct elf32_fdpic_loadaddr loadaddr, void *addr,
+                       Elf32_Phdr *phdr, int maxsegs)
+{
+  struct elf32_fdpic_loadseg *segdata;
+
+  if (loadaddr.map->nsegs == maxsegs)
+    _dl_exit (-1);
+
+  segdata = &loadaddr.map->segs[loadaddr.map->nsegs++];
+  segdata->addr = (Elf32_Addr) addr;
+  segdata->p_vaddr = phdr->p_vaddr;
+  segdata->p_memsz = phdr->p_memsz;
+
+#if defined (__SUPPORT_LD_DEBUG__)
+  {
+    if (_dl_debug)
+      _dl_dprintf(_dl_debug_file, "%i: mapped %x at %x, size %x\n",
+                 loadaddr.map->nsegs-1,
+                 segdata->p_vaddr, segdata->addr, segdata->p_memsz);
+  }
+#endif
+}
+
+static __always_inline void __dl_loadaddr_unmap
+(struct elf32_fdpic_loadaddr loadaddr, struct funcdesc_ht *funcdesc_ht);
+
+/* Figure out whether the given address is in one of the mapped
+   segments.  */
+static __always_inline int
+__dl_addr_in_loadaddr (void *p, struct elf32_fdpic_loadaddr loadaddr)
+{
+  struct elf32_fdpic_loadmap *map = loadaddr.map;
+  int c;
+
+  for (c = 0; c < map->nsegs; c++)
+    if ((void*)map->segs[c].addr <= p
+       && (char*)p < (char*)map->segs[c].addr + map->segs[c].p_memsz)
+      return 1;
+
+  return 0;
+}
+
+static __always_inline void * _dl_funcdesc_for (void *entry_point, void *got_value);
+
+/* The hashcode handling code below is heavily inspired in libiberty's
+   hashtab code, but with most adaptation points and support for
+   deleting elements removed.
+
+   Copyright (C) 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
+   Contributed by Vladimir Makarov (vmakarov@cygnus.com).  */
+
+static __always_inline unsigned long
+higher_prime_number (unsigned long n)
+{
+  /* These are primes that are near, but slightly smaller than, a
+     power of two.  */
+  static const unsigned long primes[] = {
+    (unsigned long) 7,
+    (unsigned long) 13,
+    (unsigned long) 31,
+    (unsigned long) 61,
+    (unsigned long) 127,
+    (unsigned long) 251,
+    (unsigned long) 509,
+    (unsigned long) 1021,
+    (unsigned long) 2039,
+    (unsigned long) 4093,
+    (unsigned long) 8191,
+    (unsigned long) 16381,
+    (unsigned long) 32749,
+    (unsigned long) 65521,
+    (unsigned long) 131071,
+    (unsigned long) 262139,
+    (unsigned long) 524287,
+    (unsigned long) 1048573,
+    (unsigned long) 2097143,
+    (unsigned long) 4194301,
+    (unsigned long) 8388593,
+    (unsigned long) 16777213,
+    (unsigned long) 33554393,
+    (unsigned long) 67108859,
+    (unsigned long) 134217689,
+    (unsigned long) 268435399,
+    (unsigned long) 536870909,
+    (unsigned long) 1073741789,
+    (unsigned long) 2147483647,
+                                       /* 4294967291L */
+    ((unsigned long) 2147483647) + ((unsigned long) 2147483644),
+  };
+
+  const unsigned long *low = &primes[0];
+  const unsigned long *high = &primes[sizeof(primes) / sizeof(primes[0])];
+
+  while (low != high)
+    {
+      const unsigned long *mid = low + (high - low) / 2;
+      if (n > *mid)
+       low = mid + 1;
+      else
+       high = mid;
+    }
+
+#if 0
+  /* If we've run out of primes, abort.  */
+  if (n > *low)
+    {
+      fprintf (stderr, "Cannot find prime bigger than %lu\n", n);
+      abort ();
+    }
+#endif
+
+  return *low;
+}
+
+struct funcdesc_ht
+{
+  /* Table itself.  */
+  struct funcdesc_value **entries;
+
+  /* Current size (in entries) of the hash table */
+  size_t size;
+
+  /* Current number of elements.  */
+  size_t n_elements;
+};
+
+static __always_inline int
+hash_pointer (const void *p)
+{
+  return (int) ((long)p >> 3);
+}
+
+static __always_inline struct funcdesc_ht *
+htab_create (void)
+{
+  struct funcdesc_ht *ht = _dl_malloc (sizeof (struct funcdesc_ht));
+
+  if (! ht)
+    return NULL;
+  ht->size = 3;
+  ht->entries = _dl_malloc (sizeof (struct funcdesc_ht_value *) * ht->size);
+  if (! ht->entries)
+    return NULL;
+
+  ht->n_elements = 0;
+
+  _dl_memset (ht->entries, 0, sizeof (struct funcdesc_ht_value *) * ht->size);
+
+  return ht;
+}
+
+/* This is only called from _dl_loadaddr_unmap, so it's safe to call
+   _dl_free().  See the discussion below.  */
+static __always_inline void
+htab_delete (struct funcdesc_ht *htab)
+{
+  int i;
+
+  for (i = htab->size - 1; i >= 0; i--)
+    if (htab->entries[i])
+      _dl_free (htab->entries[i]);
+
+  _dl_free (htab->entries);
+  _dl_free (htab);
+}
+
+/* Similar to htab_find_slot, but without several unwanted side effects:
+    - Does not call htab->eq_f when it finds an existing entry.
+    - Does not change the count of elements/searches/collisions in the
+      hash table.
+   This function also assumes there are no deleted entries in the table.
+   HASH is the hash value for the element to be inserted.  */
+
+static __always_inline struct funcdesc_value **
+find_empty_slot_for_expand (struct funcdesc_ht *htab, int hash)
+{
+  size_t size = htab->size;
+  unsigned int index = hash % size;
+  struct funcdesc_value **slot = htab->entries + index;
+  int hash2;
+
+  if (! *slot)
+    return slot;
+
+  hash2 = 1 + hash % (size - 2);
+  for (;;)
+    {
+      index += hash2;
+      if (index >= size)
+       index -= size;
+
+      slot = htab->entries + index;
+      if (! *slot)
+       return slot;
+    }
+}
+
+/* The following function changes size of memory allocated for the
+   entries and repeatedly inserts the table elements.  The occupancy
+   of the table after the call will be about 50%.  Naturally the hash
+   table must already exist.  Remember also that the place of the
+   table entries is changed.  If memory allocation failures are allowed,
+   this function will return zero, indicating that the table could not be
+   expanded.  If all goes well, it will return a non-zero value.  */
+
+static __always_inline int
+htab_expand (struct funcdesc_ht *htab)
+{
+  struct funcdesc_value **oentries;
+  struct funcdesc_value **olimit;
+  struct funcdesc_value **p;
+  struct funcdesc_value **nentries;
+  size_t nsize;
+
+  oentries = htab->entries;
+  olimit = oentries + htab->size;
+
+  /* Resize only when table after removal of unused elements is either
+     too full or too empty.  */
+  if (htab->n_elements * 2 > htab->size)
+    nsize = higher_prime_number (htab->n_elements * 2);
+  else
+    nsize = htab->size;
+
+  nentries = _dl_malloc (sizeof (struct funcdesc_value *) * nsize);
+  _dl_memset (nentries, 0, sizeof (struct funcdesc_value *) * nsize);
+  if (nentries == NULL)
+    return 0;
+  htab->entries = nentries;
+  htab->size = nsize;
+
+  p = oentries;
+  do
+    {
+      if (*p)
+       *find_empty_slot_for_expand (htab, hash_pointer ((*p)->entry_point))
+         = *p;
+
+      p++;
+    }
+  while (p < olimit);
+
+#if 0 /* We can't tell whether this was allocated by the _dl_malloc()
+        built into ld.so or malloc() in the main executable or libc,
+        and calling free() for something that wasn't malloc()ed could
+        do Very Bad Things (TM).  Take the conservative approach
+        here, potentially wasting as much memory as actually used by
+        the hash table, even if multiple growths occur.  That's not
+        so bad as to require some overengineered solution that would
+        enable us to keep track of how it was allocated. */
+  _dl_free (oentries);
+#endif
+  return 1;
+}
+
+/* This function searches for a hash table slot containing an entry
+   equal to the given element.  To delete an entry, call this with
+   INSERT = 0, then call htab_clear_slot on the slot returned (possibly
+   after doing some checks).  To insert an entry, call this with
+   INSERT = 1, then write the value you want into the returned slot.
+   When inserting an entry, NULL may be returned if memory allocation
+   fails.  */
+
+static __always_inline struct funcdesc_value **
+htab_find_slot (struct funcdesc_ht *htab, void *ptr, int insert)
+{
+  unsigned int index;
+  int hash, hash2;
+  size_t size;
+  struct funcdesc_value **entry;
+
+  if (htab->size * 3 <= htab->n_elements * 4
+      && htab_expand (htab) == 0)
+    return NULL;
+
+  hash = hash_pointer (ptr);
+
+  size = htab->size;
+  index = hash % size;
+
+  entry = &htab->entries[index];
+  if (!*entry)
+    goto empty_entry;
+  else if ((*entry)->entry_point == ptr)
+    return entry;
+
+  hash2 = 1 + hash % (size - 2);
+  for (;;)
+    {
+      index += hash2;
+      if (index >= size)
+       index -= size;
+
+      entry = &htab->entries[index];
+      if (!*entry)
+       goto empty_entry;
+      else if ((*entry)->entry_point == ptr)
+       return entry;
+    }
+
+ empty_entry:
+  if (!insert)
+    return NULL;
+
+  htab->n_elements++;
+  return entry;
+}
+
+void *
+_dl_funcdesc_for (void *entry_point, void *got_value)
+{
+  struct elf_resolve *tpnt = ((void**)got_value)[2];
+  struct funcdesc_ht *ht = tpnt->funcdesc_ht;
+  struct funcdesc_value **entry;
+
+  _dl_assert (got_value == tpnt->loadaddr.got_value);
+
+  if (! ht)
+    {
+      ht = htab_create ();
+      if (! ht)
+       return (void*)-1;
+      tpnt->funcdesc_ht = ht;
+    }
+
+  entry = htab_find_slot (ht, entry_point, 1);
+  if (*entry)
+    {
+      _dl_assert ((*entry)->entry_point == entry_point);
+      return _dl_stabilize_funcdesc (*entry);
+    }
+
+  *entry = _dl_malloc (sizeof (struct funcdesc_value));
+  (*entry)->entry_point = entry_point;
+  (*entry)->got_value = got_value;
+
+  return _dl_stabilize_funcdesc (*entry);
+}
+
+static __always_inline void const *
+_dl_lookup_address (void const *address)
+{
+  struct elf_resolve *rpnt;
+  struct funcdesc_value const *fd;
+
+  /* Make sure we don't make assumptions about its alignment.  */
+  __asm__ ("" : "+r" (address));
+
+  if ((Elf32_Addr)address & 7)
+    /* It's not a function descriptor.  */
+    return address;
+
+  fd = (struct funcdesc_value const *)address;
+
+  for (rpnt = _dl_loaded_modules; rpnt; rpnt = rpnt->next)
+    {
+      if (! rpnt->funcdesc_ht)
+       continue;
+
+      if (fd->got_value != rpnt->loadaddr.got_value)
+       continue;
+
+      address = htab_find_slot (rpnt->funcdesc_ht, (void*)fd->entry_point, 0);
+
+      if (address && *(struct funcdesc_value *const*)address == fd)
+       {
+         address = (*(struct funcdesc_value *const*)address)->entry_point;
+         break;
+       }
+      else
+       address = fd;
+    }
+
+  return address;
+}
+
+void
+__dl_loadaddr_unmap (struct elf32_fdpic_loadaddr loadaddr,
+                    struct funcdesc_ht *funcdesc_ht)
+{
+  int i;
+
+  for (i = 0; i < loadaddr.map->nsegs; i++)
+    {
+      struct elf32_fdpic_loadseg *segdata;
+      ssize_t offs;
+      segdata = loadaddr.map->segs + i;
+
+#if 0 /* SRAM */
+      /* FIXME:
+       A more cleaner way is to add type for struct elf32_fdpic_loadseg,
+       and release the memory according to the type.
+       Currently, we hardcode the memory address of L1 SRAM.  */
+      if ((segdata->addr & 0xff800000) == 0xff800000)
+       {
+        _dl_sram_free ((void *)segdata->addr);
+        continue;
+       }
+#endif
+      offs = (segdata->p_vaddr & ADDR_ALIGN);
+      _dl_munmap ((void*)segdata->addr - offs,
+                 segdata->p_memsz + offs);
+    }
+  /* _dl_unmap is only called for dlopen()ed libraries, for which
+     calling free() is safe, or before we've completed the initial
+     relocation, in which case calling free() is probably pointless,
+     but still safe.  */
+  _dl_free (loadaddr.map);
+  if (funcdesc_ht)
+    htab_delete (funcdesc_ht);
+}
+
+#if 0 /* XXX TODO will look at enabling this if we decide to add support for OCM
+       * code/data */
+// OLD BLACKFIN CODE
+static __always_inline int
+__dl_is_special_segment (Elf32_Ehdr *epnt,
+                        Elf32_Phdr *ppnt)
+{
+  if (ppnt->p_type != PT_LOAD)
+    return 0;
+
+  if ((epnt->e_flags & EF_BFIN_CODE_IN_L1)
+      && !(ppnt->p_flags & PF_W)
+      && (ppnt->p_flags & PF_X))
+    return 1;
+
+  if ((epnt->e_flags & EF_BFIN_DATA_IN_L1)
+      && (ppnt->p_flags & PF_W)
+      && !(ppnt->p_flags & PF_X))
+    return 1;
+
+  /* 0xff700000, 0xff800000, 0xff900000 and 0xffa00000 are also used in
+     GNU ld and linux kernel. They need to be keep synchronized.  */
+  if (ppnt->p_vaddr == 0xff700000
+      || ppnt->p_vaddr == 0xff800000
+      || ppnt->p_vaddr == 0xff900000
+      || ppnt->p_vaddr == 0xffa00000)
+    return 1;
+
+  return 0;
+}
+
+static __always_inline char *
+__dl_map_segment (Elf32_Ehdr *epnt,
+                 Elf32_Phdr *ppnt,
+                 int infile,
+                 int flags)
+{
+  char *status, *tryaddr, *l1addr;
+  size_t size;
+
+
+  if (((epnt->e_flags & EF_BFIN_CODE_IN_L1) || ppnt->p_vaddr == 0xffa00000)
+      && !(ppnt->p_flags & PF_W)
+      && (ppnt->p_flags & PF_X)) {
+    status = (char *) _dl_mmap
+      (tryaddr = 0,
+       size = (ppnt->p_vaddr & ADDR_ALIGN) + ppnt->p_filesz,
+       LXFLAGS(ppnt->p_flags),
+       flags | MAP_EXECUTABLE | MAP_DENYWRITE,
+       infile, ppnt->p_offset & OFFS_ALIGN);
+    if (_dl_mmap_check_error(status)
+       || (tryaddr && tryaddr != status))
+      return NULL;
+    l1addr = (char *) _dl_sram_alloc (ppnt->p_filesz, L1_INST_SRAM);
+    if (l1addr != NULL)
+      _dl_dma_memcpy (l1addr, status + (ppnt->p_vaddr & ADDR_ALIGN), ppnt->p_filesz);
+    _dl_munmap (status, size);
+    if (l1addr == NULL)
+      _dl_dprintf(2, "%s:%i: L1 allocation failed\n", _dl_progname, __LINE__);
+    return l1addr;
+  }
+
+  if (((epnt->e_flags & EF_BFIN_DATA_IN_L1)
+       || ppnt->p_vaddr == 0xff700000
+       || ppnt->p_vaddr == 0xff800000
+       || ppnt->p_vaddr == 0xff900000)
+      && (ppnt->p_flags & PF_W)
+      && !(ppnt->p_flags & PF_X)) {
+    if (ppnt->p_vaddr == 0xff800000)
+      l1addr = (char *) _dl_sram_alloc (ppnt->p_memsz, L1_DATA_A_SRAM);
+    else if (ppnt->p_vaddr == 0xff900000)
+      l1addr = (char *) _dl_sram_alloc (ppnt->p_memsz, L1_DATA_B_SRAM);
+    else
+      l1addr = (char *) _dl_sram_alloc (ppnt->p_memsz, L1_DATA_SRAM);
+    if (l1addr == NULL) {
+      _dl_dprintf(2, "%s:%i: L1 allocation failed\n", _dl_progname, __LINE__);
+    } else {
+      if (_DL_PREAD (infile, l1addr, ppnt->p_filesz, ppnt->p_offset) != ppnt->p_filesz) {
+       _dl_sram_free (l1addr);
+       return NULL;
+      }
+      if (ppnt->p_filesz < ppnt->p_memsz)
+       _dl_memset (l1addr + ppnt->p_filesz, 0, ppnt->p_memsz - ppnt->p_filesz);
+    }
+    return l1addr;
+  }
+  return 0;
+}
+#endif
--- /dev/null
+++ b/ldso/ldso/ubicom32/dl-startup.h
@@ -0,0 +1,232 @@
+/*
+  Copyright (C) 2009 Ubicom, Inc.
+  Copyright (C) 2003 Red Hat, Inc.
+  Contributed by Alexandre Oliva <aoliva@redhat.com>
+
+This file is part of uClibc.
+
+uClibc is free software; you can redistribute it and/or modify it
+under the terms of the GNU Lesser General Public License as
+published by the Free Software Foundation; either version 2.1 of the
+License, or (at your option) any later version.
+
+uClibc 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public
+License along with uClibc; see the file COPYING.LIB.  If not, write to
+the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139,
+USA.  */
+
+/* Any assembly language/system dependent hacks needed to setup
+ * boot1.c so it will work as expected and cope with whatever platform
+ * specific wierdness is needed for this architecture.
+
+ * We override the default _dl_boot function, and replace it with a
+ * bit of asm.  Then call the real _dl_boot function, which is now
+ * named _dl_boot2.  */
+
+/* At program start-up, p0 contains a pointer to a
+   elf32_fdpic_loadmap that describes how the executable was loaded
+   into memory.  p1 contains a pointer to the interpreter (our!)
+   loadmap, if there is an interpreter, or 0 if we're being run as an
+   executable.  p2 holds a pointer to the interpreter's dynamic
+   section, if there is an interpreter, or to the executable's dynamic
+   section, otherwise.  If the executable is not dynamic, gr18 is 0.
+
+   We rely on the fact that the linker adds a pointer to the
+   _GLOBAL_OFFSET_TABLE_ as the last ROFIXUP entry, and that
+   __self_reloc returns the relocated pointer to us, so that we can
+   use this value to initialize the PIC register.  */
+
+
+/*
+ *  _dl_boot is the entry point for ldso.
+ *
+ * The kernel leaves the main apps args on the stack (positive offsets), and
+ * communicates the load maps as follows
+ *
+ * - d1 is set to the exec_map_addr (struct elf32_fdpic_loadmap *), which is the
+ *   current state of the mapped application.
+ *
+ * - d2 is set to interp_map_addr (struct elf32_fdpic_loadmap *), which is use
+ *    by ldso to relocate itself.
+ *
+ * - d3 is dynamic_addr which as far as I can tell is the stack pointer.
+ *
+ * - a1 is set to zero and will later be initialised to ldso _dl_fini funcdesc
+ */
+
+__asm__(
+       "       .text                                                   \n\t"
+       "       .global _start                                          \n\t"
+       "       .type   _start,@function                                \n\t"
+       "_start:\n\t"
+       /*
+        * Jump to .Lcall storing the location .Lcall in a5
+        */
+       "       call    a5, .Lcall                                      \n\t"
+       ".Lcall:                                                        \n\t"
+       /*
+        * Reserve and Push inputs to stack.
+        * 32 byte  stack layout as follows
+        * offset       0  exec_map_addr
+        *              4  interp_map_addr
+        *              8  dynamic_addr
+        *              12 not used
+        *              16 dl_main_funcdesc structure for _dl_boot
+        *                 (12 bytes sizeof funcdesc_value)
+        *              28 reserved
+        *              32  start of &original stack
+        */
+       "       pdec    sp, 32(sp); reserve stack space                 \n\t"
+       "       move.4  0(sp), d1 ; exec_map_addr                       \n\t"
+       "       move.4  4(sp), d2 ; interp_map_addr                     \n\t"
+       "       move.4  8(sp), d3; dynamic_addr                         \n\t"
+
+       /*
+        * Load linker version of .Lcall in to d0
+        */
+       "       moveai  a3, #%hi(.Lcall)                                \n\t"
+       "       lea.1   d0, %lo(.Lcall)(a3)                             \n\t"
+
+       /*
+        * Determine the offset from loaded .Lcall and put it in d0.
+        */
+       "       sub.4 d0, a5, d0                                        \n\t"
+
+       /*
+        * Load linker version of __ROFIXUP_LIST__ and __ROFIXUP_END__ in to d1
+        * and d2.
+        */
+       "       moveai  a3, #%hi(__ROFIXUP_LIST__)                      \n\t"
+       "       lea.1   d1, %lo(__ROFIXUP_LIST__)(a3)                   \n\t"
+       "       moveai  a3, #%hi(__ROFIXUP_END__)                       \n\t"
+       "       lea.1   d2, %lo(__ROFIXUP_END__)(a3)                    \n\t"
+       /*
+        * Use offset determined above to find the loaded versions.
+        */
+       "       add.4   d1, d1, d0                                      \n\t"
+       "       add.4   d2, d2, d0                                      \n\t"
+
+       /*
+        * Load interp_map_addr into d0, if interp_map_addr is null use
+        * exec_map_addr.
+        */
+       "       move.4  d0, 4(sp) ; load interp_map_addr                \n\t"
+       "       cmpi    d0, #0                                          \n\t"
+       "       jmpne.f 1f                                              \n\t"
+       "       move.4  d0, 0(sp) ; load exec_map_addr                  \n\t"
+
+       /*
+        * call __self_reloc(map, void ***p, void ***e)
+        * it returns the the GOT in d0.
+        */
+       "1:     call    a5, __self_reloc ; returns a0 in d0             \n\t"
+       "       move.4  a0, d0 ; set GOT                                \n\t"
+       "       move.4  a2, d0 ; save GOT                               \n\t"
+
+       /*
+        * now setup to call
+        * _dl_start (Elf32_Addr dl_boot_got_pointer,           (d0)
+        *      struct elf32_fdpic_loadmap *dl_boot_progmap,    (d1)
+        *      struct elf32_fdpic_loadmap *dl_boot_ldsomap,    (d2)
+        *      Elf32_Dyn *dl_boot_ldso_dyn_pointer,            (d3)
+        *      struct funcdesc_value *dl_main_funcdesc,        (d4)
+        *      unsigned long args                              (d5)
+        *
+        * NOTE: for dl_main_funcdesc we reserved space on the stack for this
+        * structure.
+        */
+       "       move.4  d1, 0(sp)       ; d1 = exec_map_addr            \n\t"
+       "       move.4  d2, 4(sp)       ; d2 = interp_map_addr          \n\t"
+       "       move.4  d3, 8(sp)       ; d3 = dynamic_addr             \n\t"
+       "       lea.1   d4, 16(sp)      ; d4 = &dl_main_funcdesc        \n\t"
+       "       lea.1   d5, 32(sp)      ; d5 = original stack ptr (args)\n\t"
+       "       call    a5, _dl_start                                   \n\t"
+
+       /*
+        * Setup to call the main entry point, starting with passing our FINI
+        * ptr() to the user in a1 (remember we saved the got in a2)
+        */
+       "       movei   d15, #%got_funcdesc_lo(_dl_fini)                \n\t"
+       "       move.4  a1, (a2, d15)                                   \n\t"
+
+       /*
+        * restore the load map from the kernel.
+        */
+       "       move.4  d1, 0(sp)       ; restore exec_map_addr         \n\t"
+       "       move.4  d2, 4(sp)       ; restore interp_map_addr       \n\t"
+       "       move.4  d3, 8(sp)       ; restore dynamic_addr          \n\t"
+
+       /*
+        * _dl_start returned the main apps entry point in dl_main_funcdesc,
+        * load that information now.
+        */
+       "       move.4  a5, 16(sp) ; a5 = dl_main_funcdesc.entry_point  \n\t"
+       "       move.4  a0, 20(sp) ; a0 = dl_main_funcdesc.got_value    \n\t"
+       "       lea.1   sp, 32(sp); restore original stack ptr (args)   \n\t"
+       "       calli   a5, 0(a5)                                       \n\t"
+       "       bkpt    -1; should never get here                       \n\t"
+       "       .size   _start, . - _start                              \n\t"
+);
+
+#undef DL_START
+#define DL_START(X)   \
+static void  __attribute__ ((used)) \
+_dl_start (Elf32_Addr dl_boot_got_pointer, \
+          struct elf32_fdpic_loadmap *dl_boot_progmap, \
+          struct elf32_fdpic_loadmap *dl_boot_ldsomap, \
+          Elf32_Dyn *dl_boot_ldso_dyn_pointer, \
+          struct funcdesc_value *dl_main_funcdesc, \
+          X)
+
+struct elf32_fdpic_loadmap;
+
+/*
+ * Get a pointer to the argv array.  On many platforms this can be just
+ * the address if the first argument, on other platforms we need to
+ * do something a little more subtle here.
+ */
+#define GET_ARGV(ARGVP, ARGS) ARGVP = (((unsigned long*) ARGS) + 1)
+
+/*
+ * Here is a macro to perform a relocation.  This is only used when
+ * bootstrapping the dynamic loader.  RELP is the relocation that we
+ * are performing, REL is the pointer to the address we are relocating.
+ * SYMBOL is the symbol involved in the relocation, and LOAD is the
+ * load address.
+ */
+#define PERFORM_BOOTSTRAP_RELOC(RELP,REL,SYMBOL,LOAD,SYMTAB) \
+       switch(ELF32_R_TYPE((RELP)->r_info)){                           \
+       case R_UBICOM32_32:                                             \
+         *(REL) += (SYMBOL);                                           \
+         break;                                                        \
+       case R_UBICOM32_FUNCDESC_VALUE:                                 \
+         {                                                             \
+           struct funcdesc_value fv = {                                \
+             (void*)((SYMBOL) + *(REL)),                               \
+             (LOAD).got_value                                          \
+           };                                                          \
+           *(struct funcdesc_value volatile *)(REL) = fv;              \
+           break;                                                      \
+         }                                                             \
+       default:                                                        \
+         _dl_exit(1);                                                  \
+       }
+
+/*
+ * Transfer control to the user's application, once the dynamic loader
+ * is done.  We return the address of the function's entry point to
+ * _dl_boot, see boot1_arch.h.
+ */
+#define START()        do {                                                    \
+  struct elf_resolve *exec_mod = _dl_loaded_modules;                   \
+  dl_main_funcdesc->entry_point = _dl_elf_main;                                \
+  while (exec_mod->libtype != elf_executable)                          \
+    exec_mod = exec_mod->next;                                         \
+  dl_main_funcdesc->got_value = exec_mod->loadaddr.got_value;          \
+  return;                                                              \
+} while (0)
--- /dev/null
+++ b/ldso/ldso/ubicom32/dl-syscalls.h
@@ -0,0 +1,206 @@
+/* Copyright (C) 2003, 2004 Red Hat, Inc.
+   Contributed by Alexandre Oliva <aoliva@redhat.com>
+
+This file is part of uClibc.
+
+uClibc is free software; you can redistribute it and/or modify it
+under the terms of the GNU Lesser General Public License as
+published by the Free Software Foundation; either version 2.1 of the
+License, or (at your option) any later version.
+
+uClibc 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public
+License along with uClibc; see the file COPYING.LIB.  If not, write to
+the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139,
+USA.  */
+
+/* We can't use the real errno in ldso, since it has not yet
+ * been dynamicly linked in yet. */
+#include "sys/syscall.h"
+extern int _dl_errno;
+#undef __set_errno
+#define __set_errno(X) {(_dl_errno) = (X);}
+#include <sys/mman.h>
+
+/* The code below is extracted from libc/sysdeps/linux/frv/_mmap.c */
+
+#if defined(DYNAMIC_LOADER_IN_SIMULATOR) && DYNAMIC_LOADER_IN_SIMULATOR
+#define __NR___syscall_mmap2       __NR_mmap2
+static __inline__ _syscall6(__ptr_t, __syscall_mmap2, __ptr_t, addr,
+       size_t, len, int, prot, int, flags, int, fd, off_t, offset);
+
+/* Make sure we don't get another definition of _dl_mmap from the
+   machine-independent code.  */
+#undef __NR_mmap
+#undef __NR_mmap2
+
+/* This is always 12, even on architectures where PAGE_SHIFT != 12.  */
+# ifndef MMAP2_PAGE_SHIFT
+#  define MMAP2_PAGE_SHIFT 12
+# endif
+
+#include <bits/uClibc_page.h> /* for PAGE_SIZE */
+static __always_inline void *_dl_memset(void*,int,size_t);
+static __always_inline ssize_t _dl_pread(int fd, void *buf, size_t count, off_t offset);
+
+static __ptr_t
+_dl_mmap(__ptr_t addr, size_t len, int prot, int flags, int fd, __off_t offset)
+{
+  size_t plen = (len + PAGE_SIZE - 1) & -PAGE_SIZE;
+
+/* This is a hack to enable the dynamic loader to run within a
+   simulator that doesn't support mmap, with a number of very ugly
+   tricks.  Also, it's not as useful as it sounds, since only dynamic
+   executables without DT_NEEDED dependencies can be run.  AFAIK, they
+   can only be created with -pie.  This trick suffices to enable the
+   dynamic loader to obtain a blank page that it maps early in the
+   bootstrap. */
+  if ((flags & MAP_FIXED) == 0)
+    {
+      void *_dl_mmap_base = 0;
+      __ptr_t *ret = 0;
+
+      if (! _dl_mmap_base)
+       {
+         void *stack;
+         __asm__ ("mov sp, %0" : "=r" (stack));
+         _dl_mmap_base = (void *)(((long)stack + 2 * PAGE_SIZE) & -PAGE_SIZE);
+       retry:
+         if (((void **)_dl_mmap_base)[0] == _dl_mmap_base
+             && ((void **)_dl_mmap_base)[1023] == _dl_mmap_base
+             && (((void **)_dl_mmap_base)[177]
+                 == ((void **)_dl_mmap_base)[771]))
+           {
+             while (((void**)_dl_mmap_base)[177])
+               {
+                 _dl_mmap_base = ((void**)_dl_mmap_base)[177];
+                 if (!(((void **)_dl_mmap_base)[0] == _dl_mmap_base
+                       && ((void **)_dl_mmap_base)[1023] == _dl_mmap_base
+                       && (((void **)_dl_mmap_base)[177]
+                           == ((void**)_dl_mmap_base)[771])))
+                   ((void(*)())0)();
+               }
+           }
+         else
+           {
+             int i;
+             for (i = 0; i < (int)PAGE_SIZE; i++)
+               if (*(char*)(_dl_mmap_base + i))
+                 break;
+             if (i != PAGE_SIZE)
+               {
+                 _dl_mmap_base = (void*)((long)_dl_mmap_base + PAGE_SIZE);
+                 goto retry;
+               }
+             ((void**)_dl_mmap_base)[-1] =
+               ((void**)_dl_mmap_base)[0] =
+               ((void**)_dl_mmap_base)[1023] =
+               _dl_mmap_base;
+           }
+       }
+
+      if (_dl_mmap_base)
+       {
+         if (!(((void **)_dl_mmap_base)[0] == _dl_mmap_base
+               && ((void **)_dl_mmap_base)[1023] == _dl_mmap_base
+               && (((void **)_dl_mmap_base)[177]
+                   == ((void**)_dl_mmap_base)[771])))
+           ((void(*)())0)();
+         ret = (__ptr_t)((char*)_dl_mmap_base + PAGE_SIZE);
+         _dl_mmap_base =
+           ((void**)_dl_mmap_base)[177] =
+           ((void**)_dl_mmap_base)[771] =
+           (char*)_dl_mmap_base + plen + PAGE_SIZE;
+         ((void**)_dl_mmap_base)[0] =
+           ((void**)_dl_mmap_base)[1023] =
+           _dl_mmap_base;
+       }
+
+      if ((flags & MAP_ANONYMOUS) != 0)
+       {
+         _dl_memset (ret, 0, plen);
+         return ret;
+       }
+
+      flags |= MAP_FIXED;
+      addr = ret;
+    }
+    if (offset & ((1 << MMAP2_PAGE_SHIFT) - 1)) {
+#if 0
+       __set_errno (EINVAL);
+#endif
+       return MAP_FAILED;
+    }
+    if ((flags & MAP_FIXED) != 0)
+      {
+       if (_dl_pread(fd, addr, len, offset) != (ssize_t)len)
+         return (void*)MAP_FAILED;
+       if (plen != len)
+         _dl_memset (addr + len, 0, plen - len);
+       return addr;
+      }
+    return(__syscall_mmap2(addr, len, prot, flags, fd, (off_t) (offset >> MMAP2_PAGE_SHIFT)));
+}
+#endif
+
+#ifdef __NR_pread64
+#ifdef DYNAMIC_LOADER_IN_SIMULATOR
+#include <unistd.h>
+
+#define __NR___syscall_lseek __NR_lseek
+static __always_inline unsigned long _dl_read(int fd, const void *buf, unsigned long count);
+
+static __always_inline _syscall3(__off_t, __syscall_lseek, int, fd, __off_t, offset,
+                       int, whence);
+static __always_inline ssize_t
+_dl_pread(int fd, void *buf, size_t count, off_t offset)
+{
+  __off_t orig = __syscall_lseek (fd, 0, SEEK_CUR);
+  ssize_t ret;
+
+  if (orig == -1)
+    return -1;
+
+  if (__syscall_lseek (fd, offset, SEEK_SET) != offset)
+    return -1;
+
+  ret = _dl_read (fd, buf, count);
+
+  if (__syscall_lseek (fd, orig, SEEK_SET) != orig)
+    ((void(*)())0)();
+
+  return ret;
+}
+#else
+#define __NR___syscall_pread __NR_pread64
+static __always_inline _syscall5(ssize_t, __syscall_pread, int, fd, void *, buf,
+                       size_t, count, off_t, offset_hi, off_t, offset_lo);
+
+static __always_inline ssize_t
+_dl_pread(int fd, void *buf, size_t count, off_t offset)
+{
+  return(__syscall_pread(fd,buf,count,__LONG_LONG_PAIR (offset >> 31, offset)));
+}
+#endif
+#endif
+
+#ifdef __NR_sram_alloc
+#define __NR__dl_sram_alloc __NR_sram_alloc
+static __always_inline _syscall2(__ptr_t, _dl_sram_alloc,
+                       size_t, len, unsigned long, flags);
+#endif
+
+#ifdef __NR_sram_free
+#define __NR__dl_sram_free __NR_sram_free
+static __always_inline _syscall1(int, _dl_sram_free, __ptr_t, addr);
+#endif
+
+#ifdef __NR_dma_memcpy
+#define __NR__dl_dma_memcpy __NR_dma_memcpy
+static __always_inline _syscall3(__ptr_t, _dl_dma_memcpy,
+                       __ptr_t, dest, __ptr_t, src, size_t, len);
+#endif
--- /dev/null
+++ b/ldso/ldso/ubicom32/dl-sysdep.h
@@ -0,0 +1,243 @@
+     /* Copyright (C) 2003, 2004 Red Hat, Inc.
+       Contributed by Alexandre Oliva <aoliva@redhat.com>
+       Based on ../i386/dl-sysdep.h
+
+This file is part of uClibc.
+
+uClibc is free software; you can redistribute it and/or modify it
+under the terms of the GNU Lesser General Public License as
+published by the Free Software Foundation; either version 2.1 of the
+License, or (at your option) any later version.
+
+uClibc 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public
+License along with uClibc; see the file COPYING.LIB.  If not, write to
+the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139,
+USA.  */
+
+/*
+ * Various assembly language/system dependent  hacks that are required
+ * so that we can minimize the amount of platform specific code.
+ */
+
+/*
+ * Define this if the system uses RELOCA.
+ */
+#undef ELF_USES_RELOCA
+
+/* JMPREL relocs are inside the DT_RELA table.  */
+#define ELF_MACHINE_PLTREL_OVERLAP
+
+#define DL_NO_COPY_RELOCS
+
+#define HAVE_DL_INLINES_H
+
+/*
+ * Initialization sequence for a GOT.  Copy the resolver function
+ * descriptor and the pointer to the elf_resolve/link_map data
+ * structure.  Initialize the got_value in the module while at that.
+ */
+#define INIT_GOT(GOT_BASE,MODULE) \
+{                              \
+  (MODULE)->loadaddr.got_value = (GOT_BASE); \
+  GOT_BASE[0] = ((unsigned long *)&_dl_linux_resolve)[0]; \
+  GOT_BASE[1] = ((unsigned long *)&_dl_linux_resolve)[1]; \
+  GOT_BASE[2] = (unsigned long) MODULE; \
+}
+
+/* Here we define the magic numbers that this dynamic loader should accept */
+#define MAGIC1 EM_UBICOM32
+#undef  MAGIC2
+
+/* Used for error messages */
+#define ELF_TARGET "UBICOM32"
+
+struct elf_resolve;
+
+struct funcdesc_value
+{
+  void *entry_point;
+  void *got_value;
+/*int  relocation; not sure if this required, but it does exist */
+};
+
+extern int _dl_linux_resolve(void) __attribute__((__visibility__("hidden")));
+extern struct funcdesc_value volatile *__attribute__((__visibility__("hidden")))
+       _dl_linux_resolver (struct elf_resolve *tpnt, int reloc_entry);
+
+/* 4KiB page alignment.  Should perhaps be made dynamic using
+   getpagesize(), based on AT_PAGESZ from auxvt?  */
+#define PAGE_ALIGN 0xfffff000
+#define ADDR_ALIGN 0xfff
+#define OFFS_ALIGN 0x7ffff000
+
+struct funcdesc_ht;
+
+/*
+ * This asm does a quick relcation of string S (which is stored in the text
+ * section as thats all we can use
+ */
+#undef SEND_EARLY_STDERR
+#define SEND_EARLY_STDERR(S)                                           \
+do {                                                                   \
+       static const char __attribute__((section(".text"))) __s[] = (S); \
+       const char *__p, *__scratch;                                    \
+       __asm__ (                                                       \
+       "       call a3, 1f;                            \n\t"           \
+       "1:     movei   %0, #%%got_lo(1b)               \n\t"           \
+       "       move.4  %0, (%3, %0)                    \n\t"           \
+       "       sub.4   %1, a3, %0;                     \n\t"           \
+       "       add.4   %1, %1, %2;                     \n\t"           \
+       : "=&d" (__scratch), "=&d" (__p)                                \
+       : "d" (__s), "a" (dl_boot_got_pointer)                          \
+       : "a3", "a4", "d15");                                           \
+       SEND_STDERR (__p);                                              \
+       {       int __t;                                                \
+               for (__t = 0; __t < 0x100000; __t++) __asm__ __volatile__ (""); } \
+} while (0)
+
+#define DL_LOADADDR_TYPE struct elf32_fdpic_loadaddr
+
+#define DL_RELOC_ADDR(LOADADDR, ADDR) \
+    ((ElfW(Addr))__reloc_pointer ((void*)(ADDR), (LOADADDR).map))
+
+#define DL_ADDR_TO_FUNC_PTR(ADDR, LOADADDR) \
+  ((void(*)(void)) _dl_funcdesc_for ((void*)(ADDR), (LOADADDR).got_value))
+
+#define _dl_stabilize_funcdesc(val) \
+  ({ __asm__ ("" : "+m" (*(val))); (val); })
+
+#define DL_CALL_FUNC_AT_ADDR(ADDR, LOADADDR, SIGNATURE, ...) \
+  ({ struct funcdesc_value fd = { (void*)(ADDR), (LOADADDR).got_value }; \
+     void (*pf)(void) = (void*) _dl_stabilize_funcdesc (&fd); \
+     (* SIGNATURE pf)(__VA_ARGS__); })
+
+#define DL_INIT_LOADADDR_BOOT(LOADADDR, BASEADDR) \
+  (__dl_init_loadaddr_map (&(LOADADDR), dl_boot_got_pointer, \
+                          dl_boot_ldsomap ?: dl_boot_progmap))
+
+#define DL_INIT_LOADADDR_PROG(LOADADDR, BASEADDR) \
+  (__dl_init_loadaddr_map (&(LOADADDR), 0, dl_boot_progmap))
+
+#define DL_INIT_LOADADDR_EXTRA_DECLS \
+  int dl_init_loadaddr_load_count;
+#define DL_INIT_LOADADDR(LOADADDR, BASEADDR, PHDR, PHDRCNT) \
+  (dl_init_loadaddr_load_count = \
+     __dl_init_loadaddr (&(LOADADDR), (PHDR), (PHDRCNT)))
+#define DL_INIT_LOADADDR_HDR(LOADADDR, ADDR, PHDR) \
+  (__dl_init_loadaddr_hdr ((LOADADDR), (ADDR), (PHDR), \
+                          dl_init_loadaddr_load_count))
+#define DL_LOADADDR_UNMAP(LOADADDR, LEN) \
+  (__dl_loadaddr_unmap ((LOADADDR), (NULL)))
+#define DL_LIB_UNMAP(LIB, LEN) \
+  (__dl_loadaddr_unmap ((LIB)->loadaddr, (LIB)->funcdesc_ht))
+#define DL_LOADADDR_BASE(LOADADDR) \
+  ((LOADADDR).got_value)
+
+/* This is called from dladdr(), such that we map a function
+   descriptor's address to the function's entry point before trying to
+   find in which library it's defined.  */
+#define DL_LOOKUP_ADDRESS(ADDRESS) (_dl_lookup_address (ADDRESS))
+
+#define DL_ADDR_IN_LOADADDR(ADDR, TPNT, TFROM) \
+  (! (TFROM) && __dl_addr_in_loadaddr ((void*)(ADDR), (TPNT)->loadaddr))
+
+/*
+ * Compute the GOT address.  On several platforms, we use assembly
+ * here.  on FR-V FDPIC, there's no way to compute the GOT address,
+ * since the offset between text and data is not fixed, so we arrange
+ * for the assembly _dl_boot to pass this value as an argument to
+ * _dl_boot.  */
+#define DL_BOOT_COMPUTE_GOT(got) ((got) = dl_boot_got_pointer)
+
+#define DL_BOOT_COMPUTE_DYN(dpnt, got, load_addr) \
+  ((dpnt) = dl_boot_ldso_dyn_pointer)
+
+/* We only support loading FDPIC independently-relocatable shared
+   libraries.  It probably wouldn't be too hard to support loading
+   shared libraries that require relocation by the same amount, but we
+   don't know that they exist or would be useful, and the dynamic
+   loader code could leak the whole-library map unless we keeping a
+   bit more state for DL_LOADADDR_UNMAP and DL_LIB_UNMAP, so let's
+   keep things simple for now.  */
+#define DL_CHECK_LIB_TYPE(epnt, piclib, _dl_progname, libname) \
+do \
+{ \
+  if (((epnt)->e_flags & EF_UBICOM32_FDPIC) && ! ((epnt)->e_flags & EF_UBICOM32_PIC)) \
+    (piclib) = 2; \
+  else \
+    { \
+      _dl_internal_error_number = LD_ERROR_NOTDYN; \
+      _dl_dprintf(2, "%s: '%s' is not an FDPIC shared library" \
+                 "\n", (_dl_progname), (libname)); \
+      _dl_close(infile); \
+      return NULL; \
+    } \
+\
+} \
+while (0)
+
+/* We want want to apply all relocations in the interpreter during
+   bootstrap.  Because of this, we have to skip the interpreter
+   relocations in _dl_parse_relocation_information(), see
+   elfinterp.c.  */
+#define DL_SKIP_BOOTSTRAP_RELOC(SYMTAB, INDEX, STRTAB) 0
+
+#ifdef __NR_pread64
+#define _DL_PREAD(FD, BUF, SIZE, OFFSET) \
+  (_dl_pread((FD), (BUF), (SIZE), (OFFSET)))
+#endif
+
+/* We want to return to dlsym() a function descriptor if the symbol
+   turns out to be a function.  */
+#define DL_FIND_HASH_VALUE(TPNT, TYPE_CLASS, SYM) \
+  (((TYPE_CLASS) & ELF_RTYPE_CLASS_DLSYM) \
+   && ELF32_ST_TYPE((SYM)->st_info) == STT_FUNC \
+   ? _dl_funcdesc_for ((void *)DL_RELOC_ADDR ((TPNT)->loadaddr, (SYM)->st_value), \
+                      (TPNT)->loadaddr.got_value)                           \
+   : DL_RELOC_ADDR ((TPNT)->loadaddr, (SYM)->st_value))
+
+#if 0 /* XXX TODO will look at enabling this if we decide to add support for OCM
+       * code/data */
+
+#define DL_IS_SPECIAL_SEGMENT(EPNT, PPNT) \
+  __dl_is_special_segment(EPNT, PPNT)
+#define DL_MAP_SEGMENT(EPNT, PPNT, INFILE, FLAGS) \
+  __dl_map_segment (EPNT, PPNT, INFILE, FLAGS)
+
+#endif
+
+
+#define DL_GET_READY_TO_RUN_EXTRA_PARMS \
+    , struct elf32_fdpic_loadmap *dl_boot_progmap, Elf32_Addr dl_boot_got_pointer
+#define DL_GET_READY_TO_RUN_EXTRA_ARGS \
+    , dl_boot_progmap, dl_boot_got_pointer
+
+
+#ifdef __USE_GNU
+# include <link.h>
+#else
+# define __USE_GNU
+# include <link.h>
+# undef __USE_GNU
+#endif
+
+#include <elf.h>
+static __inline__ void
+elf_machine_relative (DL_LOADADDR_TYPE load_off, const Elf32_Addr rel_addr,
+                     Elf32_Word relative_count)
+{
+#if 0
+        Elf32_Rel * rpnt = (void *) rel_addr;
+       --rpnt;
+       do {
+               Elf32_Addr *const reloc_addr = (void *) (load_off + (++rpnt)->r_offset);
+
+               *reloc_addr = DL_RELOC_ADDR (load_off, *reloc_addr);
+       } while (--relative_count);
+#endif
+}
--- /dev/null
+++ b/ldso/ldso/ubicom32/elfinterp.c
@@ -0,0 +1,366 @@
+/* Blackfin ELF shared library loader suppport
+   Copyright (C) 2003, 2004 Red Hat, Inc.
+   Contributed by Alexandre Oliva <aoliva@redhat.com>
+   Lots of code copied from ../i386/elfinterp.c, so:
+   Copyright (c) 1994-2000 Eric Youngdale, Peter MacDonald,
+                               David Engel, Hongjiu Lu and Mitch D'Souza
+   Copyright (C) 2001-2002, Erik Andersen
+   All rights reserved.
+
+This file is part of uClibc.
+
+uClibc is free software; you can redistribute it and/or modify it
+under the terms of the GNU Lesser General Public License as
+published by the Free Software Foundation; either version 2.1 of the
+License, or (at your option) any later version.
+
+uClibc 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public
+License along with uClibc; see the file COPYING.LIB.  If not, write to
+the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139,
+USA.  */
+
+#include <sys/cdefs.h>     /* __attribute_used__ */
+
+/* Program to load an ELF binary on a linux system, and run it.
+   References to symbols in sharable libraries can be resolved by either
+   an ELF sharable library or a linux style of shared library. */
+
+/* Disclaimer:  I have never seen any AT&T source code for SVr4, nor have
+   I ever taken any courses on internals.  This program was developed using
+   information available through the book "UNIX SYSTEM V RELEASE 4,
+   Programmers guide: Ansi C and Programming Support Tools", which did
+   a more than adequate job of explaining everything required to get this
+   working. */
+extern int _dl_ubicom32_resolve_pending(void) __attribute__((__visibility__("hidden")));
+
+struct funcdesc_value volatile *__attribute__((__visibility__("hidden")))
+_dl_linux_resolver (struct elf_resolve *tpnt, int reloc_entry)
+{
+       int reloc_type;
+       ELF_RELOC *this_reloc;
+       char *strtab;
+       ElfW(Sym) *symtab;
+       int symtab_index;
+       char *rel_addr;
+       struct elf_resolve *new_tpnt;
+       char *new_addr;
+       struct funcdesc_value funcval;
+       struct funcdesc_value volatile *got_entry;
+       char *symname;
+
+       rel_addr = (char *)tpnt->dynamic_info[DT_JMPREL];
+
+       this_reloc = (ELF_RELOC *)(intptr_t)(rel_addr + reloc_entry);
+       reloc_type = ELF_R_TYPE(this_reloc->r_info);
+       symtab_index = ELF_R_SYM(this_reloc->r_info);
+
+       symtab = (Elf32_Sym *) tpnt->dynamic_info[DT_SYMTAB];
+       strtab = (char *) tpnt->dynamic_info[DT_STRTAB];
+       symname= strtab + symtab[symtab_index].st_name;
+
+       if (reloc_type != R_UBICOM32_FUNCDESC_VALUE) {
+               _dl_dprintf(2, "%s: Incorrect relocation type in jump relocations\n",
+                           _dl_progname);
+               _dl_exit(1);
+       }
+
+       /* Address of GOT entry fix up */
+       got_entry = (struct funcdesc_value *) DL_RELOC_ADDR(tpnt->loadaddr, this_reloc->r_offset);
+
+       /* Get the address to be used to fill in the GOT entry.  */
+       new_addr = _dl_lookup_hash(symname, tpnt->symbol_scope, NULL, 0, &new_tpnt);
+       if (!new_addr) {
+               new_addr = _dl_lookup_hash(symname, NULL, NULL, 0, &new_tpnt);
+               if (!new_addr) {
+                       _dl_dprintf(2, "%s: can't resolve symbol '%s'\n",
+                                   _dl_progname, symname);
+                       _dl_exit(1);
+               }
+       }
+
+       funcval.entry_point = new_addr;
+       funcval.got_value = new_tpnt->loadaddr.got_value;
+
+#if defined (__SUPPORT_LD_DEBUG__)
+       if (_dl_debug_bindings) {
+               _dl_dprintf(_dl_debug_file, "\nresolve function: %s", symname);
+               if (_dl_debug_detail)
+                       _dl_dprintf(_dl_debug_file,
+                                   "\n\tpatched (%x,%x) ==> (%x,%x) @ %x\n",
+                                   got_entry->entry_point, got_entry->got_value,
+                                   funcval.entry_point, funcval.got_value,
+                                   got_entry);
+       }
+       if (1 || !_dl_debug_nofixups) {
+               got_entry->entry_point = ((unsigned long *)&_dl_ubicom32_resolve_pending)[0];
+               got_entry->got_value = funcval.got_value;
+               got_entry->entry_point = funcval.entry_point;
+       }
+#else
+       /*
+        * initially set the entry point to resolve pending before starting
+        * the update. This has the effect of putting all other requests in a
+        * holding pattern until the resolution is completed.
+        */
+       got_entry->entry_point = ((unsigned long *)&_dl_ubicom32_resolve_pending)[0];
+       got_entry->got_value = funcval.got_value;
+       got_entry->entry_point = funcval.entry_point;
+#endif
+
+       return got_entry;
+}
+
+static int
+_dl_parse(struct elf_resolve *tpnt, struct dyn_elf *scope,
+         unsigned long rel_addr, unsigned long rel_size,
+         int (*reloc_fnc) (struct elf_resolve *tpnt, struct dyn_elf *scope,
+                           ELF_RELOC *rpnt, ElfW(Sym) *symtab, char *strtab))
+{
+       unsigned int i;
+       char *strtab;
+       ElfW(Sym) *symtab;
+       ELF_RELOC *rpnt;
+       int symtab_index;
+
+       /* Now parse the relocation information */
+       rpnt = (ELF_RELOC *) rel_addr;
+       rel_size = rel_size / sizeof(ELF_RELOC);
+
+       symtab = (ElfW(Sym) *) tpnt->dynamic_info[DT_SYMTAB];
+       strtab = (char *) tpnt->dynamic_info[DT_STRTAB];
+
+       for (i = 0; i < rel_size; i++, rpnt++) {
+               int res;
+
+               symtab_index = ELF_R_SYM(rpnt->r_info);
+               debug_sym(symtab,strtab,symtab_index);
+               debug_reloc(symtab,strtab,rpnt);
+
+               res = reloc_fnc (tpnt, scope, rpnt, symtab, strtab);
+
+               if (res==0) continue;
+
+               _dl_dprintf(2, "\n%s: ",_dl_progname);
+
+               if (symtab_index)
+                       _dl_dprintf(2, "symbol '%s': ", strtab + symtab[symtab_index].st_name);
+
+               if (res <0) {
+                       int reloc_type = ELF_R_TYPE(rpnt->r_info);
+#if defined (__SUPPORT_LD_DEBUG__)
+                       _dl_dprintf(2, "can't handle reloc type %s\n ", _dl_reltypes(reloc_type));
+#else
+                       _dl_dprintf(2, "can't handle reloc type %x\n", reloc_type);
+#endif
+                       _dl_exit(-res);
+               } else if (res >0) {
+                       _dl_dprintf(2, "can't resolve symbol\n");
+                       return res;
+               }
+         }
+         return 0;
+}
+
+static int
+_dl_do_reloc (struct elf_resolve *tpnt,struct dyn_elf *scope,
+             ELF_RELOC *rpnt, ElfW(Sym) *symtab, char *strtab)
+{
+       int reloc_type;
+       int symtab_index;
+       char *symname;
+       unsigned long reloc_value = 0, *reloc_addr;
+       struct { unsigned long v; } __attribute__((__packed__))
+                                           *reloc_addr_packed;
+       unsigned long symbol_addr;
+       struct elf_resolve *symbol_tpnt;
+       struct funcdesc_value funcval;
+#if defined (__SUPPORT_LD_DEBUG__)
+       unsigned long old_val;
+#endif
+
+       reloc_addr   = (unsigned long *) DL_RELOC_ADDR(tpnt->loadaddr, rpnt->r_offset);
+       __asm__ ("" : "=r" (reloc_addr_packed) : "0" (reloc_addr));
+       reloc_type   = ELF_R_TYPE(rpnt->r_info);
+       symtab_index = ELF_R_SYM(rpnt->r_info);
+       symbol_addr  = 0;
+       symname      = strtab + symtab[symtab_index].st_name;
+
+       if (ELF_ST_BIND (symtab[symtab_index].st_info) == STB_LOCAL) {
+               symbol_addr = (unsigned long) DL_RELOC_ADDR(tpnt->loadaddr, symtab[symtab_index].st_value);
+               symbol_tpnt = tpnt;
+       } else {
+
+               symbol_addr = (unsigned long)
+                 _dl_lookup_hash(symname, scope, NULL, 0, &symbol_tpnt);
+
+               /*
+                * We want to allow undefined references to weak symbols - this might
+                * have been intentional.  We should not be linking local symbols
+                * here, so all bases should be covered.
+                */
+
+               if (!symbol_addr && ELF_ST_BIND(symtab[symtab_index].st_info) != STB_WEAK) {
+                       _dl_dprintf (2, "%s: can't resolve symbol '%s'\n",
+                                    _dl_progname, strtab + symtab[symtab_index].st_name);
+                       _dl_exit (1);
+               }
+       }
+
+#if defined (__SUPPORT_LD_DEBUG__)
+       if (_dl_debug_reloc && _dl_debug_detail)
+         {
+           if ((long)reloc_addr_packed & 3)
+             old_val = reloc_addr_packed->v;
+           else
+             old_val = *reloc_addr;
+         }
+       else
+         old_val = 0;
+#endif
+       switch (reloc_type) {
+       case R_UBICOM32_NONE:
+               break;
+       case R_UBICOM32_32:
+               if ((long)reloc_addr_packed & 3)
+                       reloc_value = reloc_addr_packed->v += symbol_addr;
+               else
+                       reloc_value = *reloc_addr += symbol_addr;
+               break;
+       case R_UBICOM32_FUNCDESC_VALUE:
+               funcval.entry_point = (void*)symbol_addr;
+               /* The addend of FUNCDESC_VALUE
+                  relocations referencing global
+                  symbols must be ignored, because it
+                  may hold the address of a lazy PLT
+                  entry.  */
+               if (ELF_ST_BIND(symtab[symtab_index].st_info) == STB_LOCAL)
+                       funcval.entry_point += *reloc_addr;
+               reloc_value = (unsigned long)funcval.entry_point;
+               if (symbol_addr)
+                       funcval.got_value
+                               = symbol_tpnt->loadaddr.got_value;
+               else
+                       funcval.got_value = 0;
+
+/// XXX this is my best guess as to what I should be doing, but I'm
+/// putting a break-point here so I can inspect the first time this is
+/// used.
+               __asm__ (
+               "       move.4 4(%0), 4(%1)             \n\t"
+               "       move.4 0(%0), 0(%1)             \n\t" /* Must to entry_point last */
+                       :
+                       : "a" (reloc_addr), "a" (&funcval)
+                       : "memory" );
+               break;
+       case R_UBICOM32_FUNCDESC:
+               if ((long)reloc_addr_packed & 3)
+                       reloc_value = reloc_addr_packed->v;
+               else
+                       reloc_value = *reloc_addr;
+               if (symbol_addr)
+                       reloc_value = (unsigned long)_dl_funcdesc_for
+                               ((char *)symbol_addr + reloc_value,
+                                symbol_tpnt->loadaddr.got_value);
+               else
+                       reloc_value = 0;
+               if ((long)reloc_addr_packed & 3)
+                       reloc_addr_packed->v = reloc_value;
+               else
+                       *reloc_addr = reloc_value;
+               break;
+       default:
+               return -1;
+       }
+#if defined (__SUPPORT_LD_DEBUG__)
+       if (_dl_debug_reloc && _dl_debug_detail) {
+               _dl_dprintf(_dl_debug_file, "\tpatched: %x ==> %x @ %x", old_val, reloc_value, reloc_addr);
+               switch (reloc_type) {
+               case R_UBICOM32_FUNCDESC_VALUE:
+                       _dl_dprintf(_dl_debug_file, " got %x", ((struct funcdesc_value *)reloc_value)->got_value);
+                       break;
+               case R_UBICOM32_FUNCDESC:
+                       if (! reloc_value)
+                               break;
+                       _dl_dprintf(_dl_debug_file, " funcdesc (%x,%x)",
+                                   ((struct funcdesc_value *)reloc_value)->entry_point,
+                                   ((struct funcdesc_value *)reloc_value)->got_value);
+                       break;
+               }
+       }
+#endif
+
+       return 0;
+}
+
+static int
+_dl_do_lazy_reloc (struct elf_resolve *tpnt,
+                  struct dyn_elf *scope __attribute__((unused)),
+                  ELF_RELOC *rpnt, ElfW(Sym) *symtab __attribute__((unused)),
+                  char *strtab __attribute__((unused)))
+{
+       int reloc_type;
+       struct funcdesc_value volatile *reloc_addr;
+       struct funcdesc_value funcval;
+#if defined (__SUPPORT_LD_DEBUG__)
+       unsigned long old_val;
+#endif
+
+       reloc_addr = (struct funcdesc_value *) DL_RELOC_ADDR(tpnt->loadaddr, rpnt->r_offset);
+       reloc_type = ELF_R_TYPE(rpnt->r_info);
+
+#if defined (__SUPPORT_LD_DEBUG__)
+       old_val = (unsigned long)reloc_addr->entry_point;
+#endif
+               switch (reloc_type) {
+                       case R_UBICOM32_NONE:
+                               break;
+                       case R_UBICOM32_FUNCDESC_VALUE:
+                               funcval = *reloc_addr;
+                               funcval.entry_point = (void*)DL_RELOC_ADDR(tpnt->loadaddr, funcval.entry_point);
+                               funcval.got_value = tpnt->loadaddr.got_value;
+                               *reloc_addr = funcval;
+                               break;
+                       default:
+                               return -1;
+               }
+#if defined (__SUPPORT_LD_DEBUG__)
+       if (_dl_debug_reloc && _dl_debug_detail)
+               _dl_dprintf(_dl_debug_file, "\tpatched: %x ==> %x @ %x", old_val, reloc_addr->entry_point, reloc_addr);
+#endif
+       return 0;
+
+}
+
+void
+_dl_parse_lazy_relocation_information
+(struct dyn_elf *rpnt, unsigned long rel_addr, unsigned long rel_size)
+{
+  _dl_parse(rpnt->dyn, NULL, rel_addr, rel_size, _dl_do_lazy_reloc);
+}
+
+int
+_dl_parse_relocation_information
+(struct dyn_elf *rpnt, unsigned long rel_addr, unsigned long rel_size)
+{
+  return _dl_parse(rpnt->dyn, rpnt->dyn->symbol_scope, rel_addr, rel_size, _dl_do_reloc);
+}
+
+#if 0
+/* We don't have copy relocs.  */
+int
+_dl_parse_copy_information
+(struct dyn_elf *rpnt __attribute__((unused)),
+ unsigned long rel_addr __attribute__((unused)),
+ unsigned long rel_size __attribute__((unused)))
+{
+  return 0;
+}
+#endif
+#ifndef IS_IN_libdl
+# include "../../libc/sysdeps/linux/ubicom32/crtreloc.c"
+#endif
--- /dev/null
+++ b/ldso/ldso/ubicom32/resolve.S
@@ -0,0 +1,161 @@
+     /* Copyright (C) 2003 Red Hat, Inc.
+       Contributed by Alexandre Oliva <aoliva@redhat.com>
+
+       Copyright (C) 2009 Ubicom Inc.
+       Ported to Ubicom32 by Ubicom Inc.
+
+This file is part of uClibc.
+
+uClibc is free software; you can redistribute it and/or modify it
+under the terms of the GNU Lesser General Public License as
+published by the Free Software Foundation; either version 2.1 of the
+License, or (at your option) any later version.
+
+uClibc 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public
+License along with uClibc; see the file COPYING.LIB.  If not, write to
+the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139,
+USA.  */
+
+
+/*
+ * The function below is tail-called by resolver stubs when a lazily-bound *
+ * function is called.  It must preserve all registers that could * be used to
+ * pass arguments to the actual function.
+ *
+ * On entry to the function d0-d13 contain parameters to the actual function of
+ * interest
+ *
+ * a5 contains the return address
+ * a0 is pointing to the GOT table for the original function
+ *  (a0) _dl_linux_resolve
+ * 4(a0) GOT for _dl_linux_resolve
+ * 8(a0) is pointer to "structure elf_resolve" of the module where the call
+ *     originated from
+ *
+ * a3 is pointing to the function descriptor in the GOT table, and 8(a3) the
+ * resolver lookup information.
+ *
+ * _dl_linux_resolve calls _dl_linux_resolver passing it pointer to
+ * struct elf_resolve and the relocation entry.
+ *
+ * _dl_linux_resolver() figures out where the jump symbol is _really_ supposed
+ * to have jumped to and returns that to us. Once we have that, we prepare to
+ * tail-call the actual function, clean up after ourselves, restoring the
+ * original arguments, then jump to the fixed up address.
+ */
+
+#if 0
+       /*
+        * Here is what the linker will use for the PLT.
+        */
+sample_PLT_functionX:  /* (at entry a0 contains GOT for this library)  */
+       movei   d15, # -%lo(got_funcdescX) ; load offset for GOT
+       lea.4   a3, (a0, d15)   ; a4 is now the function descriptor
+       move.4  a4, 0(a3)       ; get entry_point
+       move.4  a0, 4(a3)       ; set new GOT
+
+       /*
+        * jump to resovled function OR PLT_trampoline Nat had some code here
+        * that uses the stack instead of a3 to reduces hazards.
+        */
+       calli   a4, 0(a4)
+
+
+sample_PLT_trampoline:
+       /*
+        * find the old got by undoing what was done above. An alternative
+        * could have been to ‘save’ the old got in say d14 but that would add 1
+        * instruction to every PLT and there is only 1 PLT trampoline per library.
+        */
+       ret     (a0)            ; jump to _dl_linux_resolve
+#endif
+
+       .text
+       .p2align 4
+
+       .hidden _dl_linux_resolve
+       .global _dl_linux_resolve
+       .type   _dl_linux_resolve,@function
+_dl_linux_resolve:
+       /* Preserve arguments and return address  */
+       move.4  -4(sp)++, d0
+       move.4  -4(sp)++, d1
+       move.4  -4(sp)++, d2
+       move.4  -4(sp)++, d3
+       move.4  -4(sp)++, d4
+       move.4  -4(sp)++, d5
+       move.4  -4(sp)++, d6
+       move.4  -4(sp)++, d7
+       move.4  -4(sp)++, d8
+       move.4  -4(sp)++, d9
+       move.4  -4(sp)++, d10
+       move.4  -4(sp)++, d11
+       move.4  -4(sp)++, d12
+       move.4  -4(sp)++, d13
+       move.4  -4(sp)++, a5
+
+       /* Prepare to call _dl_linux_resolver.  */
+       move.4 d0, 8(a0)        ; reference to elf_resolve
+       /* Not aligned for space reasons.  */
+       move.4 d1, mac_hi       ; reference to GOT table entry which
+                               ; contains the relocation information.
+
+       move.4 a0, 4(a0) ; switch to GOT for _dl_linux_resolve
+       call    a5, _dl_linux_resolver;
+
+       /* Move aside return value that contains the FUNCDESC_VALUE.  */
+       ;P3 = R0;
+       move.4 a3, d0;
+
+       /* Restore arguments.  */
+       move.4  a5, (sp)4++
+       move.4  d13, (sp)4++
+       move.4  d12, (sp)4++
+       move.4  d11, (sp)4++
+       move.4  d10, (sp)4++
+       move.4  d9, (sp)4++
+       move.4  d8, (sp)4++
+       move.4  d7, (sp)4++
+       move.4  d6, (sp)4++
+       move.4  d5, (sp)4++
+       move.4  d4, (sp)4++
+       move.4  d3, (sp)4++
+       move.4  d2, (sp)4++
+       move.4  d1, (sp)4++
+       move.4  d0, (sp)4++
+
+       /* Now jump to the actual function.  */
+       /* a3 contains func_desc resolution */
+       move.4 a4, 0(a3)        ; address of function X
+       move.4 a0, 4(a3)        ; switch to GOT for function X
+       calli  a4, 0(a4)        ; call through a4, a5 remains
+
+       .size   _dl_linux_resolve, . - _dl_linux_resolve
+
+       .hidden _dl_ubicom32_resolve_pending
+       .global _dl_ubicom32_resolve_pending
+       .type   _dl_ubicom32_resolve_pending,@function
+
+_dl_ubicom32_resolve_pending:
+       /*
+        * A special function that is used to ensure thread saftly when the fd
+        * for a particular resolution is being updated.
+        *
+        * At entry, a3 must point to the FD.  While the FD is being updated the
+        * entry_point will continue to point to _dl_ubicom32_resolve_pending so
+        * we will effectively spin until the resolver update is complete.
+        */
+
+       move.4  a4, 0(a3)       ; get entry_point
+       move.4  a0, 4(a3)       ; set new GOT
+
+       /*
+        * jump to resovled function or back to _dl_ubicom32_resolve_pending.
+        */
+       calli   a4, 0(a4)
+       .size   _dl_ubicom32_resolve_pending, . - _dl_ubicom32_resolve_pending
--- a/libc/misc/Makefile.in
+++ b/libc/misc/Makefile.in
@@ -12,7 +12,9 @@ include $(top_srcdir)libc/misc/assert/Ma
 include $(top_srcdir)libc/misc/ctype/Makefile.in
 include $(top_srcdir)libc/misc/dirent/Makefile.in
 include $(top_srcdir)libc/misc/error/Makefile.in
+ifneq ($(ARCH_HAS_NO_LDSO),y)
 include $(top_srcdir)libc/misc/elf/Makefile.in
+endif
 include $(top_srcdir)libc/misc/file/Makefile.in
 include $(top_srcdir)libc/misc/fnmatch/Makefile.in
 include $(top_srcdir)libc/misc/ftw/Makefile.in
--- a/libc/misc/elf/dl-iterate-phdr.c
+++ b/libc/misc/elf/dl-iterate-phdr.c
@@ -14,7 +14,7 @@
 
 #include <link.h>
 #include <ldso.h>
-
+#include <memory.h>
 /* we want this in libc but nowhere else */
 #ifdef __USE_GNU
 
--- a/libc/stdlib/malloc/malloc.c
+++ b/libc/stdlib/malloc/malloc.c
@@ -23,7 +23,7 @@
 
 /* The malloc heap.  We provide a bit of initial static space so that
    programs can do a little mallocing without mmaping in more space.  */
-HEAP_DECLARE_STATIC_FREE_AREA (initial_fa, 256);
+HEAP_DECLARE_STATIC_FREE_AREA (initial_fa, 32768);
 struct heap_free_area *__malloc_heap = HEAP_INIT_WITH_FA (initial_fa);
 #ifdef HEAP_USE_LOCKING
 malloc_mutex_t __malloc_heap_lock = PTHREAD_MUTEX_INITIALIZER;
--- /dev/null
+++ b/libc/string/ubicom32/Makefile
@@ -0,0 +1,13 @@
+# Makefile for uClibc
+#
+# Copyright (C) 2000-2005 Erik Andersen <andersen@uclibc.org>
+#
+# Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+#
+
+top_srcdir:=../../../
+top_builddir:=../../../
+all: objs
+include $(top_builddir)Rules.mak
+include ../Makefile.in
+include $(top_srcdir)Makerules
--- /dev/null
+++ b/libc/string/ubicom32/memcpy.c
@@ -0,0 +1,152 @@
+/* Copy memory to memory until the specified number of bytes
+   has been copied.  Overlap is NOT handled correctly.
+   Copyright (C) 1991, 1997, 2003 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Torbjorn Granlund (tege@sics.se).
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <string.h>
+
+typedef unsigned long addr_t;
+
+libc_hidden_proto(memcpy)
+
+void *memcpy (void *dest, const void *src, size_t n)
+{
+       void *dest_ret = dest;
+       void *aligned_start;
+
+       if (likely((((addr_t)dest ^ (addr_t)src) & 3) == 0) && likely(n > 6)) {
+               size_t m;
+               n -= (4 - (addr_t)dest) & 0x03;
+               m = n >> 2;
+               __asm__ volatile (
+               "       call            %4, 99f                 \n\t"   // load %4 with address of 99
+               "99:    movei           d15, #%%lo(1f-99b)      \n\t"   // load d15 with offset to 1 from 99
+               "       add.4           %4, %4, d15             \n\t"   // add difference
+
+               "       sub.4           d15, #0, %2             \n\t"   // set up for jump table
+               "       and.4           d15, #(32-1), d15       \n\t"   // d15 = (-m) & (32 - 1)
+               "       lea.4           %4, (%4,d15)            \n\t"
+
+               "       bfextu          d15, %0, #2             \n\t"   // d15 = (dest & 3)
+               "       jmpne.w.f       100f                    \n\t"
+               "       calli           %4, 0(%4)               \n\t"   // 4-byte alignment
+
+               "100:   cmpi            d15, #2                 \n\t"
+               "       jmpne.s.f       101f                    \n\t"
+               "       move.2          (%0)2++, (%1)2++        \n\t"
+               "       calli           %4, 0(%4)               \n\t"   // 2-byte alignment
+
+               "101:   move.1          (%0)1++, (%1)1++        \n\t"
+               "       jmpgt.s.f       102f                    \n\t"   // 3-byte alignment
+               "       move.2          (%0)2++, (%1)2++        \n\t"   // 1-byte alignment
+               "102:   calli           %4, 0(%4)               \n\t"
+
+               "200:   cmpi            %3, #2                  \n\t"
+               "       jmplt.s.f       201f                    \n\t"
+               "       move.2          (%0)2++, (%1)2++        \n\t"
+               "       jmpeq.s.t       2f                      \n\t"
+               "201:   move.1          (%0)1++, (%1)1++        \n\t"
+               "       jmpt.w.t        2f                      \n\t"
+
+               "1:     .rept           25                      \n\t"
+               "       movea           (%0)4++, (%1)4++        \n\t"
+               "       .endr                                   \n\t"
+               "       .rept           7                       \n\t"
+               "       move.4          (%0)4++, (%1)4++        \n\t"
+               "       .endr                                   \n\t"
+               "       add.4           %2, #-32, %2            \n\t"
+               "       jmpgt.w.f       1b                      \n\t"
+
+               "       and.4           %3, #3, %3              \n\t"   // check n
+               "       jmpne.w.f       200b                    \n\t"
+               "2:                                             \n\t"
+                       : "+a"(dest), "+a"(src), "+d"(m), "+d"(n), "=a"(aligned_start)
+                       :
+                       : "d15", "memory", "cc"
+               );
+
+               return dest_ret;
+       }
+
+       if (likely((((addr_t)dest ^ (addr_t)src) & 1) == 0) && likely(n > 2)) {
+               size_t m;
+               n -= (addr_t)dest & 0x01;
+               m = n >> 1;
+               __asm__ volatile (
+               "       call            %4, 99f                 \n\t"   // load %4 with address of 99
+               "99:    movei           d15, #%%lo(1f-99b)      \n\t"   // load d15 with offset to 1 from 99
+               "       add.4           %4, %4, d15             \n\t"   // add difference
+
+               "       sub.4           d15, #0, %2             \n\t"   // set up for jump table
+               "       and.4           d15, #(32-1), d15       \n\t"   // d15 = (-m) & (32 - 1)
+               "       lea.4           %4, (%4,d15)            \n\t"
+
+               "       btst            %0, #0                  \n\t"   // check bit 0
+               "       jmpne.w.f       100f                    \n\t"
+               "       calli           %4, 0(%4)               \n\t"   // 4-byte alignment
+
+               "100:   move.1          (%0)1++, (%1)1++        \n\t"
+               "       calli           %4, 0(%4)               \n\t"
+
+               "200:   move.1          (%0)1++, (%1)1++        \n\t"
+               "       jmpt.w.t        2f                      \n\t"
+
+               "1:     .rept           32                      \n\t"
+               "       move.2          (%0)2++, (%1)2++        \n\t"
+               "       .endr                                   \n\t"
+               "       add.4           %2, #-32, %2            \n\t"
+               "       jmpgt.w.f       1b                      \n\t"
+
+               "       and.4           %3, #1, %3              \n\t"   // check n
+               "       jmpne.w.f       200b                    \n\t"
+               "2:                                             \n\t"
+
+                       : "+a"(dest), "+a"(src), "+d"(m), "+d"(n), "=a"(aligned_start)
+                       :
+                       : "d15", "memory", "cc"
+               );
+               return dest_ret;
+       }
+
+       __asm__ volatile (
+       "       call            %3, 99f                 \n\t"   // load %3 with address of 99
+       "99:    movei           d15, #%%lo(1f-99b)      \n\t"   // load d15 with offset to 1 from 99
+       "       add.4           %3, %3, d15             \n\t"   // add difference
+
+       "       sub.4           d15, #0, %2             \n\t"
+       "       jmpeq.w.f       2f                      \n\t"
+       "       and.4           d15, #(16-1), d15       \n\t"   // d15 = (-n) & (16 - 1)
+       "       lea.4           %3, (%3,d15)            \n\t"
+       "       calli           %3, 0(%3)               \n\t"
+
+       "1:     .rept           16                      \n\t"
+       "       move.1          (%0)1++, (%1)1++        \n\t"
+       "       .endr                                   \n\t"
+       "       add.4           %2, #-16, %2            \n\t"
+       "       jmpgt.w.f       1b                      \n\t"
+       "2:                                             \n\t"
+
+               : "+a"(dest), "+a"(src), "+d"(n), "=a"(aligned_start)
+               :
+               : "d15", "memory", "cc"
+       );
+
+       return dest_ret;
+}
+libc_hidden_def(memcpy)
--- /dev/null
+++ b/libc/string/ubicom32/memset.c
@@ -0,0 +1,107 @@
+/* Copyright (C) 1991, 1997, 2003 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <string.h>
+
+typedef unsigned long addr_t;
+
+libc_hidden_proto(memset)
+void *memset (void *s, int c, size_t n)
+{
+       void *s_ret = s;
+       void *aligned_start;
+       if (likely(n > 6)) {
+               size_t m;
+               n -= (4 - (addr_t)s) & 0x03;
+               m = n >> 2;
+               __asm__ volatile (
+               "       call            %4, 99f                 \n\t"   // load %4 with address of 99
+               "99:    movei           d15, #%%lo(1f-99b)      \n\t"   // load d15 with offset to 1 from 99
+               "       add.4           %4, %4, d15             \n\t"   // add difference
+
+               "       sub.4           d15, #0, %2             \n\t"   // set up for jump table
+               "       and.4           d15, #(32-1), d15       \n\t"   // d15 = (-m) & (32 - 1)
+               "       shmrg.1         %1, %1, %1              \n\t"
+               "       shmrg.2         %1, %1, %1              \n\t"   // %1 = (c<<24)|(c<<16)|(c<<8)|c
+               "       lea.4           %4, (%4,d15)            \n\t"
+
+               "       bfextu          d15, %0, #2             \n\t"   // d15 = (s & 3)
+               "       jmpne.w.f       100f                    \n\t"
+               "       calli           %4, 0(%4)               \n\t"   // 4-byte alignment
+
+               "100:   cmpi            d15, #2                 \n\t"
+               "       jmpne.s.f       101f                    \n\t"
+               "       move.2          (%0)2++, %1             \n\t"
+               "       calli           %4, 0(%4)               \n\t"   // 2-byte alignment
+
+               "101:   move.1          (%0)1++, %1             \n\t"
+               "       jmpgt.s.f       102f                    \n\t"   // 3-byte alignment
+               "       move.2          (%0)2++, %1             \n\t"   // 1-byte alignment
+               "102:   calli           %4, 0(%4)               \n\t"
+
+               "200:   cmpi            %3, #2                  \n\t"
+               "       jmplt.s.f       201f                    \n\t"
+               "       move.2          (%0)2++, %1             \n\t"
+               "       jmpeq.s.t       2f                      \n\t"
+               "201:   move.1          (%0)1++, %1             \n\t"
+               "       jmpt.w.t        2f                      \n\t"
+
+               "1:     .rept           25                      \n\t"
+               "       movea           (%0)4++, %1             \n\t"
+               "       .endr                                   \n\t"
+               "       .rept           7                       \n\t"
+               "       move.4          (%0)4++, %1             \n\t"
+               "       .endr                                   \n\t"
+               "       add.4           %2, #-32, %2            \n\t"
+               "       jmpgt.w.f       1b                      \n\t"
+
+               "       and.4           %3, #3, %3              \n\t"   // test bit 1 of n
+               "       jmpne.w.f       200b                    \n\t"
+               "2:                                             \n\t"
+                       : "+a"(s), "+d"(c), "+d"(m), "+d"(n), "=a"(aligned_start)
+                       :
+                       : "d15", "memory", "cc"
+               );
+
+               return s_ret;
+       }
+
+       __asm__ volatile (
+       "       call            %3, 99f                 \n\t"   // load %3 with address of 99
+       "99:    movei           d15, #%%lo(1f-99b)      \n\t"   // load d15 with offset to 1 from 99
+       "       add.4           %3, %3, d15             \n\t"   // add difference
+
+       "       sub.4           d15, #0, %2             \n\t"
+       "       jmpeq.w.f       2f                      \n\t"
+       "       and.4           d15, #(8-1), d15        \n\t"   // d15 = (-%2) & (16 - 1)
+       "       lea.4           %3, (%3,d15)            \n\t"
+       "       calli           %3, 0(%3)               \n\t"
+
+       "1:     .rept           8                       \n\t"
+       "       move.1          (%0)1++, %1             \n\t"
+       "       .endr                                   \n\t"
+       "2:                                             \n\t"
+
+               : "+a"(s), "+d"(c), "+d"(n), "=a"(aligned_start)
+               :
+               : "d15", "memory", "cc"
+       );
+
+       return s_ret;
+}
+libc_hidden_def(memset)
--- /dev/null
+++ b/libc/sysdeps/linux/ubicom32/Makefile
@@ -0,0 +1,13 @@
+# Makefile for uClibc
+#
+# Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org>
+#
+# Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+#
+
+top_srcdir=../../../../
+top_builddir=../../../../
+all: objs
+include $(top_builddir)Rules.mak
+include Makefile.arch
+include $(top_srcdir)Makerules
--- /dev/null
+++ b/libc/sysdeps/linux/ubicom32/Makefile.arch
@@ -0,0 +1,28 @@
+# Makefile for uClibc
+#
+# Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org>
+#
+# Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+#
+
+#CSRC := \
+#      brk.c \
+#      crtbegin.c \
+#      crtend.c
+#
+#SSRC := \
+#      __longjmp.S \
+#      bsd-_setjmp.S \
+#      bsd-setjmp.S \
+#      setjmp.S \
+#      clone.S \
+#      vfork.S
+
+CSRC := \
+       syscall.c __syscall_error.c
+
+SSRC := \
+       clone.S setjmp.S vfork.S
+
+ARCH_CFLAGS := $(CPU_CFLAGS-y)
+include $(top_srcdir)libc/sysdeps/linux/Makefile.commonarch
--- /dev/null
+++ b/libc/sysdeps/linux/ubicom32/__syscall_error.c
@@ -0,0 +1,11 @@
+#include <errno.h>
+#include <features.h>
+
+/* This routine is jumped to by some of the syscall handlers, to stash
+ * an error number into errno.  */
+int __syscall_error(int err_no) attribute_hidden;
+int __syscall_error(int err_no)
+{
+       __set_errno(err_no);
+       return -1;
+}
--- /dev/null
+++ b/libc/sysdeps/linux/ubicom32/bits/elf-fdpic.h
@@ -0,0 +1,115 @@
+/* Copyright 2003, 2004 Free Software Foundation, Inc.
+This file is part of the GNU C Library.
+
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Lesser General Public License as
+published by the Free Software Foundation; either version 2.1 of the
+License, or (at your option) any later version.
+
+In addition to the permissions in the GNU Lesser General Public
+License, the Free Software Foundation gives you unlimited
+permission to link the compiled version of this file with other
+programs, and to distribute those programs without any restriction
+coming from the use of this file.  (The GNU Lesser General Public
+License restrictions do apply in other respects; for example, they
+cover modification of the file, and distribution when not linked
+into another program.)
+
+The GNU C Library 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public
+License along with the GNU C Library; see the file COPYING.LIB.  If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+#ifndef _BITS_ELF_FDPIC_H
+#define _BITS_ELF_FDPIC_H
+
+/* These data structures are described in the FDPIC ABI extension.
+   The kernel passes a process a memory map, such that for every LOAD
+   segment there is an elf32_fdpic_loadseg entry.  A pointer to an
+   elf32_fdpic_loadmap is passed in d8 at start-up, and a pointer to
+   an additional such map is passed in d9 for the interpreter, when
+   there is one.  */
+
+#include <elf.h>
+
+/* This data structure represents a PT_LOAD segment.  */
+struct elf32_fdpic_loadseg
+{
+  /* Core address to which the segment is mapped.  */
+  Elf32_Addr addr;
+  /* VMA recorded in the program header.  */
+  Elf32_Addr p_vaddr;
+  /* Size of this segment in memory.  */
+  Elf32_Word p_memsz;
+};
+
+struct elf32_fdpic_loadmap {
+  /* Protocol version number, must be zero.  */
+  Elf32_Half version;
+  /* Number of segments in this map.  */
+  Elf32_Half nsegs;
+  /* The actual memory map.  */
+  struct elf32_fdpic_loadseg segs[/*nsegs*/];
+};
+
+struct elf32_fdpic_loadaddr {
+  struct elf32_fdpic_loadmap *map;
+  void *got_value;
+};
+
+/* Map a pointer's VMA to its corresponding address according to the
+   load map.  */
+static __always_inline void *
+__reloc_pointer (void *p,
+                const struct elf32_fdpic_loadmap *map)
+{
+  int c;
+
+#if 0
+  if (map->version != 0)
+    /* Crash.  */
+    ((void(*)())0)();
+#endif
+
+  /* No special provision is made for NULL.  We don't want NULL
+     addresses to go through relocation, so they shouldn't be in
+     .rofixup sections, and, if they're present in dynamic
+     relocations, they shall be mapped to the NULL address without
+     undergoing relocations.  */
+
+  for (c = 0;
+       /* Take advantage of the fact that the loadmap is ordered by
+         virtual addresses.  In general there will only be 2 entries,
+         so it's not profitable to do a binary search.  */
+       c < map->nsegs && p >= (void*)map->segs[c].p_vaddr;
+       c++)
+    {
+      /* This should be computed as part of the pointer comparison
+        above, but we want to use the carry in the comparison, so we
+        can't convert it to an integer type beforehand.  */
+      unsigned long offset = p - (void*)map->segs[c].p_vaddr;
+      /* We only check for one-past-the-end for the last segment,
+        assumed to be the data segment, because other cases are
+        ambiguous in the absence of padding between segments, and
+        rofixup already serves as padding between text and data.
+        Unfortunately, unless we special-case the last segment, we
+        fail to relocate the _end symbol.  */
+      if (offset < map->segs[c].p_memsz
+         || (offset == map->segs[c].p_memsz && c + 1 == map->nsegs))
+       return (char*)map->segs[c].addr + offset;
+    }
+
+  /* We might want to crash instead.  */
+  return (void*)-1;
+}
+
+# define __RELOC_POINTER(ptr, loadaddr) \
+  (__reloc_pointer ((void*)(ptr), \
+                   (loadaddr).map))
+
+#endif /* _BITS_ELF_FDPIC_H */
--- /dev/null
+++ b/libc/sysdeps/linux/ubicom32/bits/endian.h
@@ -0,0 +1,7 @@
+/* Ubicom32 is big-endian.  */
+
+#ifndef _ENDIAN_H
+# error "Never use <bits/endian.h> directly; include <endian.h> instead."
+#endif
+
+#define __BYTE_ORDER __BIG_ENDIAN
--- /dev/null
+++ b/libc/sysdeps/linux/ubicom32/bits/fcntl.h
@@ -0,0 +1,226 @@
+/* O_*, F_*, FD_* bit values for Linux.
+   Copyright (C) 2000 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#ifndef        _FCNTL_H
+# error "Never use <bits/fcntl.h> directly; include <fcntl.h> instead."
+#endif
+
+
+#include <sys/types.h>
+#ifdef __USE_GNU
+# include <bits/uio.h>
+#endif
+
+/* open/fcntl - O_SYNC is only implemented on blocks devices and on files
+   located on an ext2 file system */
+#define O_ACCMODE         0003
+#define O_RDONLY            00
+#define O_WRONLY            01
+#define O_RDWR              02
+#define O_CREAT                   0100 /* not fcntl */
+#define O_EXCL            0200 /* not fcntl */
+#define O_NOCTTY          0400 /* not fcntl */
+#define O_TRUNC                  01000 /* not fcntl */
+#define O_APPEND         02000
+#define O_NONBLOCK       04000
+#define O_NDELAY       O_NONBLOCK
+#define O_SYNC          010000
+#define O_FSYNC                 O_SYNC
+#define O_ASYNC                 020000
+
+#ifdef __USE_GNU
+# define O_DIRECTORY    040000 /* Must be a directory.  */
+# define O_NOFOLLOW    0100000 /* Do not follow links.  */
+# define O_DIRECT      0200000 /* Direct disk access.  */
+# define O_NOATIME    01000000 /* Do not set atime.  */
+# define O_CLOEXEC    02000000 /* set close_on_exec */
+# define O_STREAMING  04000000 /* streaming access */
+#endif
+
+/* For now Linux has synchronisity options for data and read operations.
+   We define the symbols here but let them do the same as O_SYNC since
+   this is a superset. */
+#if defined __USE_POSIX199309 || defined __USE_UNIX98
+# define O_DSYNC       O_SYNC  /* Synchronize data.  */
+# define O_RSYNC       O_SYNC  /* Synchronize read operations.  */
+#endif
+
+#ifdef __USE_LARGEFILE64
+# define O_LARGEFILE   0400000
+#endif
+
+/* Values for the second argument to `fcntl'.  */
+#define F_DUPFD                0       /* Duplicate file descriptor.  */
+#define F_GETFD                1       /* Get file descriptor flags.  */
+#define F_SETFD                2       /* Set file descriptor flags.  */
+#define F_GETFL                3       /* Get file status flags.  */
+#define F_SETFL                4       /* Set file status flags.  */
+#ifndef __USE_FILE_OFFSET64
+# define F_GETLK       5       /* Get record locking info.  */
+# define F_SETLK       6       /* Set record locking info (non-blocking).  */
+# define F_SETLKW      7       /* Set record locking info (blocking).  */
+#else
+# define F_GETLK       F_GETLK64  /* Get record locking info.  */
+# define F_SETLK       F_SETLK64  /* Set record locking info (non-blocking).*/
+# define F_SETLKW      F_SETLKW64 /* Set record locking info (blocking).  */
+#endif
+#define F_GETLK64      12      /* Get record locking info.  */
+#define F_SETLK64      13      /* Set record locking info (non-blocking).  */
+#define F_SETLKW64     14      /* Set record locking info (blocking).  */
+
+#if defined __USE_BSD || defined __USE_XOPEN2K
+# define F_SETOWN      8       /* Get owner of socket (receiver of SIGIO).  */
+# define F_GETOWN      9       /* Set owner of socket (receiver of SIGIO).  */
+#endif
+
+#ifdef __USE_GNU
+# define F_SETSIG      10      /* Set number of signal to be sent.  */
+# define F_GETSIG      11      /* Get number of signal to be sent.  */
+#endif
+
+#ifdef __USE_GNU
+# define F_SETLEASE    1024    /* Set a lease.  */
+# define F_GETLEASE    1025    /* Enquire what lease is active.  */
+# define F_NOTIFY      1026    /* Request notfications on a directory.  */
+#endif
+
+/* For F_[GET|SET]FL.  */
+#define FD_CLOEXEC     1       /* actually anything with low bit set goes */
+
+/* For posix fcntl() and `l_type' field of a `struct flock' for lockf().  */
+#define F_RDLCK                0       /* Read lock.  */
+#define F_WRLCK                1       /* Write lock.  */
+#define F_UNLCK                2       /* Remove lock.  */
+
+/* For old implementation of bsd flock().  */
+#define F_EXLCK                4       /* or 3 */
+#define F_SHLCK                8       /* or 4 */
+
+#ifdef __USE_BSD
+/* Operations for bsd flock(), also used by the kernel implementation. */
+# define LOCK_SH       1       /* shared lock */
+# define LOCK_EX       2       /* exclusive lock */
+# define LOCK_NB       4       /* or'd with one of the above to prevent
+                                  blocking */
+# define LOCK_UN       8       /* remove lock */
+#endif
+
+#ifdef __USE_GNU
+# define LOCK_MAND     32      /* This is a mandatory flock:   */
+# define LOCK_READ     64      /* ... which allows concurrent read operations.  */
+# define LOCK_WRITE    128     /* ... which allows concurrent write operations.  */
+# define LOCK_RW       192     /* ... Which allows concurrent read & write operations.  */
+#endif
+
+#ifdef __USE_GNU
+/* Types of directory notifications that may be requested with F_NOTIFY.  */
+# define DN_ACCESS     0x00000001      /* File accessed.  */
+# define DN_MODIFY     0x00000002      /* File modified.  */
+# define DN_CREATE     0x00000004      /* File created.  */
+# define DN_DELETE     0x00000008      /* File removed.  */
+# define DN_RENAME     0x00000010      /* File renamed.  */
+# define DN_ATTRIB     0x00000020      /* File changed attibutes.  */
+# define DN_MULTISHOT  0x80000000      /* Don't remove notifier.  */
+#endif
+
+struct flock
+  {
+    short int l_type;  /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK.  */
+    short int l_whence;        /* Where `l_start' is relative to (like `lseek').  */
+#ifndef __USE_FILE_OFFSET64
+    __off_t l_start;   /* Offset where the lock begins.  */
+    __off_t l_len;     /* Size of the locked area; zero means until EOF.  */
+#else
+    __off64_t l_start; /* Offset where the lock begins.  */
+    __off64_t l_len;   /* Size of the locked area; zero means until EOF.  */
+#endif
+    __pid_t l_pid;     /* Process holding the lock.  */
+  };
+
+#ifdef __USE_LARGEFILE64
+struct flock64
+  {
+    short int l_type;  /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK.  */
+    short int l_whence;        /* Where `l_start' is relative to (like `lseek').  */
+    __off64_t l_start; /* Offset where the lock begins.  */
+    __off64_t l_len;   /* Size of the locked area; zero means until EOF.  */
+    __pid_t l_pid;     /* Process holding the lock.  */
+  };
+#endif
+
+/* Define some more compatibility macros to be backward compatible with
+   BSD systems which did not managed to hide these kernel macros.  */
+#ifdef __USE_BSD
+# define FAPPEND       O_APPEND
+# define FFSYNC                O_FSYNC
+# define FASYNC                O_ASYNC
+# define FNONBLOCK     O_NONBLOCK
+# define FNDELAY       O_NDELAY
+#endif /* Use BSD.  */
+
+/* Advise to `posix_fadvise'.  */
+#ifdef __USE_XOPEN2K
+# define POSIX_FADV_NORMAL     0 /* No further special treatment.  */
+# define POSIX_FADV_RANDOM     1 /* Expect random page references.  */
+# define POSIX_FADV_SEQUENTIAL 2 /* Expect sequential page references.  */
+# define POSIX_FADV_WILLNEED   3 /* Will need these pages.  */
+# define POSIX_FADV_DONTNEED   4 /* Don't need these pages.  */
+# define POSIX_FADV_NOREUSE    5 /* Data will be accessed once.  */
+#endif
+
+#ifdef __USE_GNU
+# define SYNC_FILE_RANGE_WAIT_BEFORE   1 /* Wait upon writeout of all pages
+                                            in the range before performing the
+                                            write.  */
+# define SYNC_FILE_RANGE_WRITE         2 /* Initiate writeout of all those
+                                            dirty pages in the range which are
+                                            not presently under writeback.  */
+# define SYNC_FILE_RANGE_WAIT_AFTER    4 /* Wait upon writeout of all pages in
+                                            the range after performing the
+                                            write.  */
+#endif
+
+__BEGIN_DECLS
+
+#ifdef __USE_GNU
+
+/* Provide kernel hint to read ahead.  */
+extern ssize_t readahead (int __fd, __off64_t __offset, size_t __count)
+    __THROW;
+
+/* Selective file content synch'ing.  */
+extern int sync_file_range (int __fd, __off64_t __from, __off64_t __to,
+                           unsigned int __flags);
+
+/* Splice address range into a pipe.  */
+extern ssize_t vmsplice (int __fdout, const struct iovec *__iov,
+                        size_t __count, unsigned int __flags);
+
+/* Splice two files together.  */
+extern ssize_t splice (int __fdin, __off64_t *__offin, int __fdout,
+                      __off64_t *__offout, size_t __len,
+                      unsigned int __flags);
+
+/* In-kernel implementation of tee for pipe buffers.  */
+extern ssize_t tee (int __fdin, int __fdout, size_t __len,
+                   unsigned int __flags);
+
+#endif
+
+__END_DECLS
--- /dev/null
+++ b/libc/sysdeps/linux/ubicom32/bits/kernel_stat.h
@@ -0,0 +1,55 @@
+#ifndef _BITS_STAT_STRUCT_H
+#define _BITS_STAT_STRUCT_H
+
+#ifndef _LIBC
+#error bits/kernel_stat.h is for internal uClibc use only!
+#endif
+
+/* This file provides whatever this particular arch's kernel thinks
+ * struct kernel_stat should look like...  It turns out each arch has a
+ * different opinion on the subject... */
+
+struct kernel_stat {
+       unsigned short st_dev;
+       unsigned short __pad1;
+       unsigned long st_ino;
+       unsigned short st_mode;
+       unsigned short st_nlink;
+       unsigned short st_uid;
+       unsigned short st_gid;
+       unsigned short st_rdev;
+       unsigned short __pad2;
+       unsigned long  st_size;
+       unsigned long  st_blksize;
+       unsigned long  st_blocks;
+       struct timespec st_atim;
+       struct timespec st_mtim;
+       struct timespec st_ctim;
+       unsigned long  __unused4;
+       unsigned long  __unused5;
+};
+
+struct kernel_stat64 {
+       unsigned char   __pad0[6];
+       unsigned short  st_dev;
+       unsigned char   __pad1[4];
+#define _HAVE_STAT64___ST_INO
+       unsigned long   __st_ino;
+       unsigned int    st_mode;
+       unsigned int    st_nlink;
+       unsigned long   st_uid;
+       unsigned long   st_gid;
+       unsigned char   __pad2[6];
+       unsigned short  st_rdev;
+       unsigned char   __pad3[4];
+       long long       st_size;
+       unsigned long   st_blksize;
+       unsigned long   st_blocks;      /* Number 512-byte blocks allocated. */
+       unsigned long   __pad4;         /* future possible st_blocks high bits */
+       struct timespec st_atim;
+       struct timespec st_mtim;
+       struct timespec st_ctim;
+       unsigned long long      st_ino;
+};
+
+#endif /*  _BITS_STAT_STRUCT_H */
--- /dev/null
+++ b/libc/sysdeps/linux/ubicom32/bits/kernel_types.h
@@ -0,0 +1,44 @@
+/* Note that we use the exact same include guard #define names
+ * as asm/posix_types.h.  This will avoid gratuitous conflicts
+ * with the posix_types.h kernel header, and will ensure that
+ * our private content, and not the kernel header, will win.
+ *  -Erik
+ */
+#ifndef __ARCH_UBICOM32_POSIX_TYPES_H
+#define __ARCH_UBICOM32_POSIX_TYPES_H
+
+typedef unsigned long  __kernel_dev_t;
+typedef unsigned long  __kernel_ino_t;
+typedef unsigned short __kernel_mode_t;
+typedef unsigned short __kernel_nlink_t;
+typedef long           __kernel_off_t;
+typedef int            __kernel_pid_t;
+typedef unsigned short __kernel_ipc_pid_t;
+typedef unsigned short __kernel_uid_t;
+typedef unsigned short __kernel_gid_t;
+typedef unsigned int   __kernel_size_t;
+typedef int            __kernel_ssize_t;
+typedef int            __kernel_ptrdiff_t;
+typedef long           __kernel_time_t;
+typedef long           __kernel_suseconds_t;
+typedef long           __kernel_clock_t;
+typedef int            __kernel_daddr_t;
+typedef char *         __kernel_caddr_t;
+typedef unsigned short __kernel_uid16_t;
+typedef unsigned short __kernel_gid16_t;
+typedef unsigned int   __kernel_uid32_t;
+typedef unsigned int   __kernel_gid32_t;
+typedef unsigned short __kernel_old_uid_t;
+typedef unsigned short __kernel_old_gid_t;
+typedef unsigned short __kernel_old_dev_t;
+typedef long long      __kernel_loff_t;
+
+typedef struct {
+#ifdef __USE_ALL
+       int val[2];
+#else
+       int __val[2];
+#endif
+} __kernel_fsid_t;
+
+#endif /* __ARCH_UBICOM32_POSIX_TYPES_H */
--- /dev/null
+++ b/libc/sysdeps/linux/ubicom32/bits/mman.h
@@ -0,0 +1,103 @@
+/* Definitions for POSIX memory map interface.  Linux/m68k version.
+   Copyright (C) 1997, 2000, 2003, 2005 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#ifndef _SYS_MMAN_H
+# error "Never use <bits/mman.h> directly; include <sys/mman.h> instead."
+#endif
+
+/* The following definitions basically come from the kernel headers.
+   But the kernel header is not namespace clean.  */
+
+
+/* Protections are chosen from these bits, OR'd together.  The
+   implementation does not necessarily support PROT_EXEC or PROT_WRITE
+   without PROT_READ.  The only guarantees are that no writing will be
+   allowed without PROT_WRITE and no access will be allowed for PROT_NONE. */
+
+#define PROT_READ      0x1             /* Page can be read.  */
+#define PROT_WRITE     0x2             /* Page can be written.  */
+#define PROT_EXEC      0x4             /* Page can be executed.  */
+#define PROT_NONE      0x0             /* Page can not be accessed.  */
+#define PROT_GROWSDOWN 0x01000000      /* Extend change to start of
+                                          growsdown vma (mprotect only).  */
+#define PROT_GROWSUP   0x02000000      /* Extend change to start of
+                                          growsup vma (mprotect only).  */
+
+/* Sharing types (must choose one and only one of these).  */
+#define MAP_SHARED     0x01            /* Share changes.  */
+#define MAP_PRIVATE    0x02            /* Changes are private.  */
+#ifdef __USE_MISC
+# define MAP_TYPE      0x0f            /* Mask for type of mapping.  */
+#endif
+
+/* Other flags.  */
+#define MAP_FIXED      0x10            /* Interpret addr exactly.  */
+#ifdef __USE_MISC
+# define MAP_FILE      0
+# define MAP_ANONYMOUS 0x20            /* Don't use a file.  */
+# define MAP_ANON      MAP_ANONYMOUS
+#endif
+
+/* These are Linux-specific.  */
+#ifdef __USE_MISC
+# define MAP_GROWSDOWN     0x0000100 /* Stack-like segment.  */
+# define MAP_DENYWRITE     0x0000800 /* ETXTBSY */
+# define MAP_EXECUTABLE    0x0001000 /* Mark it as an executable.  */
+# define MAP_LOCKED        0x0002000 /* Lock the mapping.  */
+# define MAP_NORESERVE     0x0004000 /* Don't check for reservations.  */
+# define MAP_POPULATE      0x0008000 /* Populate (prefault) pagetables.  */
+# define MAP_NONBLOCK      0x0010000 /* Do not block on IO.  */
+# define MAP_UNINITIALIZE  0x4000000 /* For anonymous mmap, memory could be uninitialized. */
+#endif
+
+/* Flags to `msync'.  */
+#define MS_ASYNC       1               /* Sync memory asynchronously.  */
+#define MS_SYNC                4               /* Synchronous memory sync.  */
+#define MS_INVALIDATE  2               /* Invalidate the caches.  */
+
+/* Flags for `mlockall'.  */
+#define MCL_CURRENT    1               /* Lock all currently mapped pages.  */
+#define MCL_FUTURE     2               /* Lock all additions to address
+                                          space.  */
+
+/* Flags for `mremap'.  */
+#ifdef __USE_GNU
+# define MREMAP_MAYMOVE        1
+# define MREMAP_FIXED  2
+#endif
+
+/* Advice to `madvise'.  */
+#ifdef __USE_BSD
+# define MADV_NORMAL    0      /* No further special treatment.  */
+# define MADV_RANDOM    1      /* Expect random page references.  */
+# define MADV_SEQUENTIAL 2     /* Expect sequential page references.  */
+# define MADV_WILLNEED  3      /* Will need these pages.  */
+# define MADV_DONTNEED  4      /* Don't need these pages.  */
+# define MADV_DONTFORK  10     /* Do not inherit across fork.  */
+# define MADV_DOFORK    11     /* Do inherit across fork.  */
+#endif
+
+/* The POSIX people had to invent similar names for the same things.  */
+#ifdef __USE_XOPEN2K
+# define POSIX_MADV_NORMAL     0 /* No further special treatment.  */
+# define POSIX_MADV_RANDOM     1 /* Expect random page references.  */
+# define POSIX_MADV_SEQUENTIAL 2 /* Expect sequential page references.  */
+# define POSIX_MADV_WILLNEED   3 /* Will need these pages.  */
+# define POSIX_MADV_DONTNEED   4 /* Don't need these pages.  */
+#endif
--- /dev/null
+++ b/libc/sysdeps/linux/ubicom32/bits/setjmp.h
@@ -0,0 +1,52 @@
+/* Define the machine-dependent type `jmp_buf'.  Ubicom32 version.
+   Copyright (C) 1992,93,95,97,2000 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#ifndef _BITS_SETJMP_H
+#define _BITS_SETJMP_H 1
+
+#if !defined _SETJMP_H && !defined _PTHREAD_H
+# error "Never include <bits/setjmp.h> directly; use <setjmp.h> instead."
+#endif
+
+#ifndef        _ASM
+/*
+ * This is the structure where we are going to save D10-D13, A0, A1, A2, A5, A6 and SP(A7).
+ * A5 is the return address. Call to setjmp will save these. Call to longjmp will return
+ * Control to the address in A5.
+ */
+typedef struct setjmp_save_struct {
+       unsigned long  d10;             /* D10 */
+       unsigned long  d11;             /* D11 */
+       unsigned long  d12;             /* D12 */
+       unsigned long  d13;             /* D13 */
+       unsigned long  a1;              /* A1  */
+       unsigned long  a2;              /* A2  */
+       unsigned long  a5;              /* A5 return address. */
+       unsigned long  a6;              /* A6 */
+       unsigned long  sp;              /* A7 stack pointer. */
+} __jmp_buf[1];
+
+#endif
+
+/* Test if longjmp to JMPBUF would unwind the frame
+   containing a local variable at ADDRESS.  */
+#define _JMPBUF_UNWINDS(jmpbuf, address) \
+  ((void *) (address) < (void*)(jmpbuf)->sp)
+
+#endif /* bits/setjmp.h */
--- /dev/null
+++ b/libc/sysdeps/linux/ubicom32/bits/stackinfo.h
@@ -0,0 +1,28 @@
+/* Copyright (C) 1999 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+/* This file contains a bit of information about the stack allocation
+   of the processor.  */
+
+#ifndef _STACKINFO_H
+#define _STACKINFO_H   1
+
+/* On Ubicom32 the stack grows down.  */
+#define _STACK_GROWS_DOWN      1
+
+#endif /* stackinfo.h */
--- /dev/null
+++ b/libc/sysdeps/linux/ubicom32/bits/syscalls.h
@@ -0,0 +1,81 @@
+#ifndef _BITS_SYSCALLS_H
+#define _BITS_SYSCALLS_H
+#ifndef _SYSCALL_H
+# error "Never use <bits/syscalls.h> directly; include <sys/syscall.h> instead."
+#endif
+
+/* m68k headers does stupid stuff with __NR_iopl / __NR_vm86:
+ * #define __NR_iopl   not supported
+ * #define __NR_vm86   not supported
+ */
+#undef __NR_iopl
+#undef __NR_vm86
+
+#ifndef __ASSEMBLER__
+
+#include <errno.h>
+
+/* Linux takes system call arguments in registers:
+
+       syscall number  %d8
+       arg 1           %d0
+       arg 2           %d1
+       arg 3           %d2
+       arg 4           %d3
+       arg 5           %d4
+       arg 6           %d5
+*/
+
+#define __loadargs_0(name, dummy)                                            \
+       d8 = (long int)name
+
+#define __loadargs_1(name, __arg1)                                     \
+       __loadargs_0(name, 0);                                          \
+       d0_retval = (long int) __arg1
+
+#define __loadargs_2(name, __arg1, __arg2)    \
+       __loadargs_1(name, __arg1);                        \
+       d1 = (long int) __arg2
+
+#define __loadargs_3(name, __arg1, __arg2, __arg3) \
+       __loadargs_2(name, __arg1, __arg2); \
+       d2 = (long int) __arg3
+
+#define __loadargs_4(name, __arg1, __arg2, __arg3, __arg4)     \
+       __loadargs_3(name, __arg1, __arg2, __arg3); \
+       d3 = (long int)__arg4
+
+#define __loadargs_5(name, __arg1, __arg2, __arg3, __arg4, __arg5) \
+       __loadargs_4(name, __arg1, __arg2, __arg3, __arg4); \
+       d4 = (long int)__arg5
+
+#define __loadargs_6(name, __arg1, __arg2, __arg3, __arg4, __arg5, __arg6) \
+       __loadargs_5(name, __arg1, __arg2, __arg3, __arg4, __arg5); \
+       d5 = (long int)__arg6
+
+#define INTERNAL_SYSCALL_NCS(name, err, nr, args...)                   \
+({                                                                     \
+       register long int d0_retval  __asm__ ("d0");                    \
+       register long int d1  __asm__ ("d1");                           \
+       register long int d2  __asm__ ("d2");                           \
+       register long int d3  __asm__ ("d3");                           \
+       register long int d4  __asm__ ("d4");                           \
+       register long int d5  __asm__ ("d5");                           \
+       register long int d8  __asm__ ("d8");                           \
+       __loadargs_##nr (name, args);                                   \
+       __asm__ __volatile__ (                                          \
+       "       moveai a5, #%%hi(0x40400000)\n\t"                       \
+       "       calli a5, 16(a5)\n\t"                                   \
+               : "+r" (d0_retval), "+r" (d1), "+r" (d2), "+r" (d3),    \
+                 "+r" (d4), "+r" (d5),  "+r" (d8) :                    \
+               : "cc", "memory",                                       \
+                 "acc0_lo", "acc0_hi", "acc1_lo", "acc1_hi",           \
+                 "source3",                                            \
+                 "a0", "a3", "a4", "a5",                               \
+                 "d6", "d7", "d9", "d14", "d15"                        \
+       );                                                              \
+       d0_retval;                                                      \
+})
+
+#endif /* __ASSEMBLER__ */
+#endif /* _BITS_SYSCALLS_H */
--- /dev/null
+++ b/libc/sysdeps/linux/ubicom32/bits/uClibc_arch_features.h
@@ -0,0 +1,45 @@
+/*
+ * Track misc arch-specific features that aren't config options
+ */
+
+#ifndef _BITS_UCLIBC_ARCH_FEATURES_H
+#define _BITS_UCLIBC_ARCH_FEATURES_H
+
+/* instruction used when calling abort() to kill yourself */
+/*#define __UCLIBC_ABORT_INSTRUCTION__ "asm instruction"*/
+#undef __UCLIBC_ABORT_INSTRUCTION__
+
+/* can your target use syscall6() for mmap ? */
+#undef __UCLIBC_MMAP_HAS_6_ARGS__
+
+/* does your target use syscall4() for truncate64 ? (32bit arches only) */
+#undef __UCLIBC_TRUNCATE64_HAS_4_ARGS__
+
+/* does your target have a broken create_module() ? */
+#undef __UCLIBC_BROKEN_CREATE_MODULE__
+
+/* does your target have to worry about older [gs]etrlimit() ? */
+#undef __UCLIBC_HANDLE_OLDER_RLIMIT__
+
+/* does your target prefix all symbols with an _ ? */
+#define __UCLIBC_NO_UNDERSCORES__
+
+/* does your target have an asm .set ? */
+#define __UCLIBC_HAVE_ASM_SET_DIRECTIVE__
+
+/* define if target doesn't like .global */
+#undef __UCLIBC_ASM_GLOBAL_DIRECTIVE__
+
+/* define if target supports .weak */
+#define __UCLIBC_HAVE_ASM_WEAK_DIRECTIVE__
+
+/* define if target supports .weakext */
+#undef __UCLIBC_HAVE_ASM_WEAKEXT_DIRECTIVE__
+
+/* needed probably only for ppc64 */
+#undef __UCLIBC_HAVE_ASM_GLOBAL_DOT_NAME__
+
+/* define if target supports IEEE signed zero floats */
+#define __UCLIBC_HAVE_SIGNED_ZERO__
+
+#endif /* _BITS_UCLIBC_ARCH_FEATURES_H */
--- /dev/null
+++ b/libc/sysdeps/linux/ubicom32/bits/wordsize.h
@@ -0,0 +1,19 @@
+/* Copyright (C) 1999 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#define __WORDSIZE     32
--- /dev/null
+++ b/libc/sysdeps/linux/ubicom32/clone.S
@@ -0,0 +1,71 @@
+#include <sys/syscall.h>
+
+       .global __syscall_error
+
+/* int _clone(int (*fn)(void *arg), void *child_stack, int flags, void *arg); */
+       .text
+       .type   clone,@function
+       .global clone
+clone:
+       /* Sanity check arguments.  */
+       sub.4   #0, #0, d0      /* Test if fn is zero. */
+       jmpeq.f 1f              /* arg bad */
+       sub.4   #0, #0, d1      /* Test if child_stack is zero. */
+       jmpeq.f 1f              /* arg bad */
+
+       /* Set up child_stack frame.. arg and fn */
+       move.4  a3, d1
+       move.4  -4(a3)++, d3    /* push 'arg' to child stack */
+       move.4  -4(a3)++, d0    /* push fn to child stack, this will become a5
+                                * on new child */
+       move.4  d1, a3
+       move.4  -4(sp)++, a5    /* push a5 to our stack */
+
+       /*
+        * The syscall clone is clone(int flags, void *child_stack) so we set
+        * that up now
+        */
+       move.4  d0, d2          /* Move flags to d0 */
+
+       /* Do Clone syscall */
+       movei   d8, #__NR_clone
+       moveai  a5, #%hi(0x40400000)
+       calli   a5, 0x10(a5)
+       move.4  a5, (sp)4++     /* pop a5 from stack */
+
+       /* Clone Complete */
+       cmpi    d0, #0          /* Test if d0 is less than zero. If it is we
+                                * return the error */
+       jmplt.f 2f              /* If return is less than we had an error */
+       jmpeq.f 3f              /* If return is 0 we are in the clone, jump to
+                                * thread start */
+       ret     a5              /* d0 is pid */
+
+       /* Invalid Value */
+1:     movei   d0, #-22        /* EINVAL */
+
+       /* Call syscall Error */
+2:     sub.4   d0, #0, d0      /* d0 = -d0 */
+#if defined(__UBICOM32_FDPIC__)
+       call    a3, __syscall_error
+#else
+       moveai  a3, #%hi(__syscall_error)
+       calli   a3, %lo(__syscall_error)(a3)
+#endif
+       /* Child Thread Start */
+3:
+#if defined(__UBICOM32_FDPIC__)
+       /* a5 actually contains a function descriptor for fdpic */
+       move.4  a0, 4(a5)       /* set GOT for this function */
+       move.4  a5, 0(a5)       /* get address of entry point */
+#endif
+       move.4  d0, (sp)4++     /* pop 'arg' to stack */
+       calli   a5, 0(a5)
+       movei   d8, #__NR_exit
+       moveai  a3, #%hi(0x40400000)
+       calli   a3, 0x10(a3)
+
+       .size clone, . - clone
+       .global __GI_clone
+       .hidden __GI_clone
+       .set __GI_clone,clone
--- /dev/null
+++ b/libc/sysdeps/linux/ubicom32/crt1.S
@@ -0,0 +1,179 @@
+/* Startup code compliant to the ELF m68k ABI.
+   Copyright (C) 1996, 1997, 1998, 2001, 2002 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   In addition to the permissions in the GNU Lesser General Public
+   License, the Free Software Foundation gives you unlimited
+   permission to link the compiled version of this file with other
+   programs, and to distribute those programs without any restriction
+   coming from the use of this file. (The GNU Lesser General Public
+   License restrictions do apply in other respects; for example, they
+   cover modification of the file, and distribution when not linked
+   into another program.)
+
+   Note that people who make modified versions of this file are not
+   obligated to grant this special exception for their modified
+   versions; it is their choice whether to do so. The GNU Lesser
+   General Public License gives permission to release a modified
+   version without this exception; this exception also makes it
+   possible to release a modified version which carries forward this
+   exception.
+
+   The GNU C Library 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <features.h>
+
+/* This is the canonical entry point, usually the first thing in the text
+   segment.  The SVR4/m68k ABI says that when the entry point runs,
+   most registers' values are unspecified, except for:
+
+   %a1         Contains a function pointer to be registered with `atexit'.
+               This is how the dynamic linker arranges to have DT_FINI
+               functions called for shared libraries that have been loaded
+               before this code runs.
+
+   %sp         The stack contains the arguments and environment:
+               0(%sp)                  argc
+               4(%sp)                  argv[0]
+               ...
+               (4*argc)(%sp)           NULL
+               (4*(argc+1))(%sp)       envp[0]
+               ...
+                                       NULL
+
+   The uclinux conventions are different.  %a1 is not defined on entry
+   and the stack is laid out as follows:
+
+               0(%sp)                  argc
+               4(%sp)                  argv
+               8(%sp)                  envp
+*/
+
+
+       .text
+       .type   main,@function
+       .type   _init,%function
+       .type   _fini,%function
+#ifndef __UCLIBC_CTOR_DTOR__
+       .weak   _init
+       .weak   _fini
+#endif
+       .globl  _start
+       .global __uClibc_main;
+       .type   __uClibc_main,@function;
+       .type   _start,@function
+_start:
+
+#if defined(__UBICOM32_FDPIC__) && !defined(L_Scrt1)
+       /* P0 contains a pointer to the program's load map.  */
+       call    a3, .Lcall;
+.Lcall:
+       move.4  d0, d1 ; load exec_map_addr
+       moveai  a4, #%hi(.Lcall)
+       lea.1   d15, %lo(.Lcall)(a4)
+       sub.4   d15, a3, d15    ;  difference between .Lcall and actual address of .Lcall
+       moveai  a3, #%hi(__ROFIXUP_LIST__)
+       lea.1   d1, %lo(__ROFIXUP_LIST__)(a3)
+       moveai  a3, #%hi(__ROFIXUP_END__)
+       lea.1   d2, %lo(__ROFIXUP_END__)(a3)
+       add.4   d1, d1, d15
+       add.4   d2, d2, d15
+       call    a5, __self_reloc        ; returns GOT in d0
+       move.4  a0, d0  ; set GOT
+#endif
+
+/*
+       all this is setup to make the following call.
+
+       void __uClibc_main(
+               d0 - int (*main)(int, char **, char **),
+               d1 - int argc, (d1)
+               d2 - char **argv,
+               d3 - void (*app_init)(void),
+               d4 - void (*app_fini)(void),
+               d5 - void (*rtld_fini)(void),
+               d6 - void *stack_end
+       );
+ */
+
+       /*
+        * Load pointer to main into d0
+        */
+#ifdef __UBICOM32_FDPIC__
+       movei   d0, #%got_funcdesc_lo(main)
+       move.4  d0, (a0, d0)
+#else
+       moveai  a3, #%hi(main)
+       lea.1   d0, %lo(main)(a3)
+#endif
+
+       /*
+        * Grab the environment stuff from stack and set up d1, d2 with it.
+        */
+       move.4  d1, (sp)
+#ifdef __UBICOM32_FDPIC__
+       /* For FDPIC the calling convention is different than flat */
+       lea.1   d2, 4(sp)
+#else
+       move.4  d2, 4(sp)
+#endif
+
+#ifdef __UCLIBC_CTOR_DTOR__
+       /*
+        * Load pointer to _init into d3
+        */
+#ifdef __UBICOM32_FDPIC__
+       movei   d3, #%got_funcdesc_lo(_init)
+       move.4  d3, (a0, d3)
+#else
+       moveai  a3, #%hi(_init)
+       lea.1   d3, %lo(_init)(a3)
+#endif
+
+       /*
+        * Load pointer to _fini into d4
+        */
+#ifdef __UBICOM32_FDPIC__
+       movei   d4, #%got_funcdesc_lo(_fini)
+       move.4  d4, (a0, d4)
+#else
+       moveai  a3, #%hi(_fini)
+       lea.1   d4, %lo(_fini)(a3)
+#endif
+
+#else /* !__UCLIBC_CTOR_DTOR__ */
+       move.4  d3, #0          ; _init
+       move.4  d4, #0          ; _fini
+#endif
+
+#ifdef __UBICOM32_FDPIC__
+       move.4  d5, a1          ; ldso _fini funcdesc (see dl-startup.h)
+#else
+       movei   d5, #0          ; rtld_fini (not used)
+#endif
+
+       move.4  d6, sp          ; Stack End.
+
+       /* Call the user's main function, and exit with its value.  But
+          let the libc call main.  */
+#ifdef __UBICOM32_FDPIC__
+       call    a5, __uClibc_main
+#else
+       moveai  a5, #%hi(__uClibc_main)
+       calli   a5, %lo(__uClibc_main)(a5)
+#endif
+
+       bkpt #-1                ; Crash if somehow `exit' does return.
--- /dev/null
+++ b/libc/sysdeps/linux/ubicom32/crti.S
@@ -0,0 +1,54 @@
+/* Specialized code needed to support construction and destruction of
+   file-scope objects in C++ and Java code, and to support exception handling.
+   Copyright (C) 1999 Free Software Foundation, Inc.
+   Contributed by Charles-Antoine Gauthier (charles.gauthier@iit.nrc.ca).
+
+This file is part of GCC.
+
+GCC 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, or (at your option)
+any later version.
+
+GCC 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 GCC; see the file COPYING.  If not, write to
+the Free Software Foundation, 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
+
+/* As a special exception, if you link this library with files
+   compiled with GCC to produce an executable, this does not cause
+   the resulting executable to be covered by the GNU General Public License.
+   This exception does not however invalidate any other reasons why
+   the executable file might be covered by the GNU General Public License.  */
+
+/*
+ * This file just supplies function prologues for the .init and .fini
+ * sections.  It is linked in before crtbegin.o.
+ */
+       .file   "crti.o"
+       .ident  "GNU C crti.o"
+
+       .section .init
+       .align  2
+       .globl  _init
+       .type   _init, @function
+_init:
+       move.4 -4(sp)++, a5
+#ifdef __UBICOM32_FDPIC__
+       move.4 -4(sp)++, a0
+#endif
+
+       .section .fini
+       .align  2
+       .globl  _fini
+       .type   _fini, @function
+_fini:
+       move.4 -4(sp)++, a5
+#ifdef __UBICOM32_FDPIC__
+       move.4 -4(sp)++, a0
+#endif
--- /dev/null
+++ b/libc/sysdeps/linux/ubicom32/crtn.S
@@ -0,0 +1,47 @@
+/* Specialized code needed to support construction and destruction of
+   file-scope objects in C++ and Java code, and to support exception handling.
+   Copyright (C) 1999 Free Software Foundation, Inc.
+   Contributed by Charles-Antoine Gauthier (charles.gauthier@iit.nrc.ca).
+
+This file is part of GCC.
+
+GCC 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, or (at your option)
+any later version.
+
+GCC 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 GCC; see the file COPYING.  If not, write to
+the Free Software Foundation, 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
+
+/* As a special exception, if you link this library with files
+   compiled with GCC to produce an executable, this does not cause
+   the resulting executable to be covered by the GNU General Public License.
+   This exception does not however invalidate any other reasons why
+   the executable file might be covered by the GNU General Public License.  */
+
+/*
+ * This file supplies function epilogues for the .init and .fini sections.
+ * It is linked in after all other files.
+ */
+
+       .file   "crtn.o"
+       .ident  "GNU C crtn.o"
+
+       .section .init
+#ifdef __UBICOM32_FDPIC__
+       move.4  a0, (sp)4++
+#endif
+       ret     (sp)4++
+
+       .section .fini
+#ifdef __UBICOM32_FDPIC__
+       move.4  a0, (sp)4++
+#endif
+       ret     (sp)4++
--- /dev/null
+++ b/libc/sysdeps/linux/ubicom32/crtreloc.c
@@ -0,0 +1,145 @@
+/* Copyright (C) 2003, 2004 Free Software Foundation, Inc.
+   written by Alexandre Oliva <aoliva@redhat.com>
+This file is part of the GNU C Library.
+
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Lesser General Public License as
+published by the Free Software Foundation; either version 2.1 of the
+License, or (at your option) any later version.
+
+In addition to the permissions in the GNU Lesser General Public
+License, the Free Software Foundation gives you unlimited
+permission to link the compiled version of this file with other
+programs, and to distribute those programs without any restriction
+coming from the use of this file.  (The GNU Lesser General Public
+License restrictions do apply in other respects; for example, they
+cover modification of the file, and distribution when not linked
+into another program.)
+
+The GNU C Library 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public
+License along with the GNU C Library; see the file COPYING.LIB.  If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+#ifdef __UBICOM32_FDPIC__
+
+#include <sys/types.h>
+#include <link.h>
+
+/* This file is to be compiled into crt object files, to enable
+   executables to easily self-relocate.  */
+
+union word {
+    char c[4];
+    void *v;
+};
+
+/* Compute the runtime address of pointer in the range [p,e), and then
+   map the pointer pointed by it.  */
+static __always_inline void ***
+reloc_range_indirect (void ***p, void ***e,
+                     const struct elf32_fdpic_loadmap *map)
+{
+  while (p < e)
+    {
+      if (*p != (void **)-1)
+       {
+         void *ptr = __reloc_pointer (*p, map);
+         if (ptr != (void *)-1)
+           {
+             void *pt;
+             if ((long)ptr & 3)
+               {
+                 unsigned char *c = ptr;
+                 int i;
+                 unsigned long v = 0;
+                 for (i = 0; i < 4; i++)
+                   v |= c[i] << 8 * i;
+                 pt = (void *)v;
+               }
+             else
+               pt = *(void**)ptr;
+             pt = __reloc_pointer (pt, map);
+             if ((long)ptr & 3)
+               {
+                 unsigned char *c = ptr;
+                 int i;
+                 unsigned long v = (unsigned long)pt;
+                 for (i = 0; i < 4; i++, v >>= 8)
+                   c[i] = v;
+               }
+             else
+               *(void**)ptr = pt;
+           }
+       }
+      p++;
+    }
+  return p;
+}
+
+/* Call __reloc_range_indirect for the given range except for the last
+   entry, whose contents are only relocated.  It's expected to hold
+   the GOT value.  */
+void* attribute_hidden
+__self_reloc (const struct elf32_fdpic_loadmap *map,
+             void ***p, void ***e)
+{
+  p = reloc_range_indirect (p, e-1, map);
+
+  if (p >= e)
+    return (void*)-1;
+
+  return __reloc_pointer (*p, map);
+}
+
+#if 0
+/* These are other functions that might be useful, but that we don't
+   need.  */
+
+/* Remap pointers in [p,e).  */
+static __always_inline void**
+reloc_range (void **p, void **e,
+            const struct elf32_fdpic_loadmap *map)
+{
+  while (p < e)
+    {
+      *p = __reloc_pointer (*p, map);
+      p++;
+    }
+  return p;
+}
+
+/* Remap p, adjust e by the same offset, then map the pointers in the
+   range determined by them.  */
+void attribute_hidden
+__reloc_range (const struct elf32_fdpic_loadmap *map,
+              void **p, void **e)
+{
+  void **old = p;
+
+  p = __reloc_pointer (p, map);
+  e += p - old;
+  reloc_range (p, e, map);
+}
+
+/* Remap p, adjust e by the same offset, then map pointers referenced
+   by the (unadjusted) pointers in the range.  Return the relocated
+   value of the last pointer in the range.  */
+void* attribute_hidden
+__reloc_range_indirect (const struct elf32_fdpic_loadmap *map,
+                       void ***p, void ***e)
+{
+  void ***old = p;
+
+  p = __reloc_pointer (p, map);
+  e += p - old;
+  return reloc_range_indirect (p, e, map);
+}
+#endif
+
+#endif /* __UBICOM32_FDPIC__ */
--- /dev/null
+++ b/libc/sysdeps/linux/ubicom32/setjmp.S
@@ -0,0 +1,72 @@
+/* Setjmp for Ubicom32 */
+       .text
+       .global _setjmp
+       .type   _setjmp,@function
+_setjmp:
+       movea   a3, d0          ; A3 now holds the jmp buf that was passed in.
+       move.4  (a3)4++, d10
+       move.4  (a3)4++, d11
+       move.4  (a3)4++, d12
+       move.4  (a3)4++, d13
+       move.4  (a3)4++, a1
+       move.4  (a3)4++, a2
+       move.4  (a3)4++, a5
+       move.4  (a3)4++, a6
+       move.4  (a3)4++, a7
+       move.4  d0, #0
+
+       calli   a5, 0(a5)
+       .size _setjmp, . - _setjmp
+
+/*
+ * __sigsetjmp for Ubicom32
+ *     d0 holds sigjmp_buf and d1 holds the savemask. We will save the frame and then just call __sigjmp_save to do the mask save.
+ */
+       .global __sigsetjmp
+       .type   __sigsetjmp,@function
+__sigsetjmp:
+       movea   a3, d0          ; A3 now holds the jmp buf that was passed in.
+       move.4  (a3)4++, d10
+       move.4  (a3)4++, d11
+       move.4  (a3)4++, d12
+       move.4  (a3)4++, d13
+       move.4  (a3)4++, a1
+       move.4  (a3)4++, a2
+       move.4  (a3)4++, a5
+       move.4  (a3)4++, a6
+       move.4  (a3)4++, a7
+
+       ;; The frame has been saved. Call _sigjmp_save to get sigmask saved. a5 still has the return address and it will go back to that.
+#if defined(__UBICOM32_FDPIC__)
+       call    a3, __sigjmp_save
+#else
+       moveai  a3, #%hi(__sigjmp_save)
+       calli   a3, %lo(__sigjmp_save)(a3)
+#endif
+       .size __sigjmp_save, . - __sigjmp_save
+
+       .global __longjmp
+       .type   __longjmp,@function
+__longjmp:
+       movea   a3, d0          ; A3 now holds the jmp buf that was passed in.
+       move.4  d10, (a3)4++
+       move.4  d11, (a3)4++
+       move.4  d12, (a3)4++
+       move.4  d13, (a3)4++
+       move.4  a1 , (a3)4++
+       move.4  a2 , (a3)4++
+       move.4  a5 , (a3)4++
+       move.4  a6 , (a3)4++
+       move.4  a7 , (a3)4++
+
+       sub.4   #0, #0, d1      ; Test if d1 is zero. If it is we have to return 1 other wise return content of d1
+       jmpeq.t 2f
+       move.4  d0, d1          ; d1 is non zero load it into d0
+       jmpt.t  3f
+
+2:     move.4  d0, #1
+3:     calli   a5, 0(a5)
+       .size __longjmp, . - __longjmp
+       .global __GI___longjmp
+       .hidden __GI___longjmp
+       .set __GI___longjmp,__longjmp
--- /dev/null
+++ b/libc/sysdeps/linux/ubicom32/sys/procfs.h
@@ -0,0 +1,122 @@
+/* Copyright (C) 1996, 1997, 1999, 2000 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#ifndef _SYS_PROCFS_H
+#define _SYS_PROCFS_H  1
+
+/* This is somehow modelled after the file of the same name on SysVr4
+   systems.  It provides a definition of the core file format for ELF
+   used on Linux.  */
+
+#include <features.h>
+#include <signal.h>
+#include <sys/time.h>
+#include <sys/types.h>
+#include <sys/ucontext.h>
+#include <bits/wordsize.h>
+
+__BEGIN_DECLS
+
+#define ELF_NGREG              38
+
+typedef struct
+  {
+    union
+      {
+       unsigned long   pr_regs[32];
+       double          pr_dregs[16];
+      }                        pr_fr;
+    unsigned long      __unused;
+    unsigned long      pr_fsr;
+    unsigned char      pr_qcnt;
+    unsigned char      pr_q_entrysize;
+    unsigned char      pr_en;
+    unsigned int       pr_q[64];
+  } elf_fpregset_t;
+
+typedef unsigned long elf_greg_t;
+typedef elf_greg_t elf_gregset_t[ELF_NGREG];
+
+struct elf_siginfo
+  {
+    int si_signo;                      /* Signal number.  */
+    int si_code;                       /* Extra code.  */
+    int si_errno;                      /* Errno.  */
+  };
+
+/* Definitions to generate Intel SVR4-like core files.  These mostly
+   have the same names as the SVR4 types with "elf_" tacked on the
+   front to prevent clashes with linux definitions, and the typedef
+   forms have been avoided.  This is mostly like the SVR4 structure,
+   but more Linuxy, with things that Linux does not support and which
+   gdb doesn't really use excluded.  Fields present but not used are
+   marked with "XXX".  */
+struct elf_prstatus
+  {
+    struct elf_siginfo pr_info;                /* Info associated with signal.  */
+    short int pr_cursig;               /* Current signal.  */
+    unsigned long int pr_sigpend;      /* Set of pending signals.  */
+    unsigned long int pr_sighold;      /* Set of held signals.  */
+    __pid_t pr_pid;
+    __pid_t pr_ppid;
+    __pid_t pr_pgrp;
+    __pid_t pr_sid;
+    struct timeval pr_utime;           /* User time.  */
+    struct timeval pr_stime;           /* System time.  */
+    struct timeval pr_cutime;          /* Cumulative user time.  */
+    struct timeval pr_cstime;          /* Cumulative system time.  */
+    elf_gregset_t pr_reg;              /* GP registers.  */
+    int pr_fpvalid;                    /* True if math copro being used.  */
+  };
+
+
+#define ELF_PRARGSZ     (80)    /* Number of chars for args */
+
+struct elf_prpsinfo
+  {
+    char pr_state;                     /* Numeric process state.  */
+    char pr_sname;                     /* Char for pr_state.  */
+    char pr_zomb;                      /* Zombie.  */
+    char pr_nice;                      /* Nice val.  */
+    unsigned long int pr_flag;         /* Flags.  */
+    unsigned short int pr_uid;
+    unsigned short int pr_gid;
+    int pr_pid, pr_ppid, pr_pgrp, pr_sid;
+    /* Lots missing */
+    char pr_fname[16];                 /* Filename of executable.  */
+    char pr_psargs[ELF_PRARGSZ];       /* Initial part of arg list.  */
+  };
+
+/* Addresses.  */
+typedef void *psaddr_t;
+
+/* Register sets.  Linux has different names.  */
+typedef elf_gregset_t prgregset_t;
+typedef elf_fpregset_t prfpregset_t;
+
+/* We don't have any differences between processes and threads,
+   therefore have only one PID type.  */
+typedef __pid_t lwpid_t;
+
+
+typedef struct elf_prstatus prstatus_t;
+typedef struct elf_prpsinfo prpsinfo_t;
+
+__END_DECLS
+
+#endif /* sys/procfs.h */
--- /dev/null
+++ b/libc/sysdeps/linux/ubicom32/sys/ucontext.h
@@ -0,0 +1,104 @@
+/* Copyright (C) 1998, 1999 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#ifndef _SYS_UCONTEXT_H
+#define _SYS_UCONTEXT_H        1
+
+#include <features.h>
+#include <signal.h>
+/*
+ * Location of the users' stored registers relative to R0.
+ * Usage is as an index into a gregset_t array or as u.u_ar0[XX].
+ */
+#define REG_PSR (0)
+#define REG_PC  (1)
+#define REG_SPARE   (2)
+#define REG_WVALID  (3)
+#define REG_G1  (4)
+#define REG_G2  (5)
+#define REG_G3  (6)
+#define REG_G4  (7)
+#define REG_G5  (8)
+#define REG_G6  (9)
+#define REG_G7  (10)
+#define REG_O0  (11)
+#define REG_O1  (12)
+#define REG_O2  (13)
+#define REG_O3  (14)
+#define REG_O4  (15)
+#define REG_O5  (16)
+#define REG_O6  (17)
+#define REG_O7  (18)
+#define REG_GLOBALS (19)
+
+/*
+ * A gregset_t is defined as an array type for compatibility with the reference
+ * source. This is important due to differences in the way the C language
+ * treats arrays and structures as parameters.
+ *
+ * Note that NGREG is really (sizeof (struct regs) / sizeof (greg_t)),
+ * but that the ABI defines it absolutely to be 21 (resp. 19).
+ */
+
+#define NGREG   20
+typedef int greg_t;
+
+typedef greg_t  gregset_t[NGREG];
+
+/*
+ * The following structures define how a register window can appear on the
+ * stack. This structure is available (when required) through the `gwins'
+ * field of an mcontext (nested within ucontext). NIOS_MAXWINDOW is the
+ * maximum number of outstanding register windows defined in the NIOS
+ * architecture (*not* implementation).
+ */
+#define NIOS_MAXREGWINDOW      31      /* max windows in NIOS arch. */
+struct  rwindow
+  {
+    greg_t rw_local[8];                        /* locals */
+    greg_t rw_in[8];                   /* ins */
+  };
+
+#define rw_fp   rw_in[6]               /* frame pointer */
+#define rw_rtn  rw_in[7]               /* return address */
+
+typedef struct gwindows
+  {
+    int            wbcnt;
+    int           *spbuf[NIOS_MAXREGWINDOW];
+    struct rwindow wbuf[NIOS_MAXREGWINDOW];
+  } gwindows_t;
+
+typedef struct
+  {
+    gregset_t   gregs;         /* general register set */
+    gwindows_t  *gwins;                /* POSSIBLE pointer to register windows */
+  } mcontext_t;
+
+
+/* Userlevel context.  */
+typedef struct ucontext
+  {
+    unsigned long   uc_flags;
+    struct ucontext *uc_link;
+    __sigset_t     uc_sigmask;
+    stack_t         uc_stack;
+    mcontext_t      uc_mcontext;
+  } ucontext_t;
+
+#endif /* sys/ucontext.h */
--- /dev/null
+++ b/libc/sysdeps/linux/ubicom32/syscall.c
@@ -0,0 +1,32 @@
+/* vi: set sw=4 ts=4: */
+/* syscall for ubicom32/uClibc
+ *
+ * Copyright (C) 2008 by Ubicom Inc.
+ * Copyright (C) 2002 by Erik Andersen <andersen@uclibc.org>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Library 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 Library General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <features.h>
+#include <errno.h>
+#include <sys/types.h>
+#include <sys/syscall.h>
+
+extern long syscall(long sysnum, long a, long b, long c, long d, long e, long f);
+long syscall(long sysnum, long a, long b, long c, long d, long e, long f)
+{
+       int __NR_syscall_number = sysnum;
+       return (long) INLINE_SYSCALL(syscall_number, 6, a, b, c, d, e, f);
+}
--- /dev/null
+++ b/libc/sysdeps/linux/ubicom32/vfork.S
@@ -0,0 +1,35 @@
+#include <sys/syscall.h>
+
+       .text
+       .type   vfork,@function
+       .global vfork
+vfork:
+       move.4  -4(sp)++, a5    ; Save return address on the stack.
+       movei   d8, #__NR_vfork
+       moveai  a3, #%hi(0x40400000)
+       calli   a5, 0x10(a3)
+
+       /*
+        * You get here only if the syscall bombed. If things had worked out the
+        * parent and child would have both returned to the instruction after
+        * the vfork call.
+        */
+       move.4  a5, (sp)4++     ; Pop the return address off the stack.
+       movei   d1, #-125
+       sub.4   #0, d0, d1
+       jmplt.t 1f
+
+       ;; We have an error.
+       sub.4   d0, #0, d0      ; d0 = -res. Call __set_errno with that.
+#if defined(__UBICOM32_FDPIC__)
+       call    a3, __syscall_error
+#else
+       moveai  a3, #%hi(__syscall_error)
+       calli   a3, %lo(__syscall_error)(a3)    ; __syscall_error will return -1 and not come back here.
+#endif
+1:
+       calli   a5, 0(a5)
+       .size vfork, . - vfork
+       .global __GI_vfork
+       .hidden __GI_vfork
+       .set __GI_vfork,vfork
--- a/libpthread/linuxthreads.old/pthread.c
+++ b/libpthread/linuxthreads.old/pthread.c
@@ -393,6 +393,10 @@ void __pthread_initialize_minimal(void)
 #endif
 
     __libc_multiple_threads_ptr = __libc_pthread_init (ptr_pthread_functions);
+#ifndef __ARCH_USE_MMU__
+    __pthread_initial_thread_tos =
+      (char *)(((long)CURRENT_STACK_FRAME + getpagesize()) & ~(getpagesize() - 1));
+#endif /* __ARCH_USE_MMU__ */
 }
 
 
@@ -461,8 +465,11 @@ static void pthread_initialize(void)
    * __pthread_initial_thread_bos at address 0. These bounds are refined as we
    * malloc other stack frames such that they don't overlap. -StS
    */
-  __pthread_initial_thread_tos =
-    (char *)(((long)CURRENT_STACK_FRAME + getpagesize()) & ~(getpagesize() - 1));
+  if (__pthread_initial_thread_tos == NULL) {
+    __pthread_initial_thread_tos =
+      (char *)(((long)CURRENT_STACK_FRAME + getpagesize()) & ~(getpagesize() - 1));
+  }
+
   __pthread_initial_thread_bos = (char *) 1; /* set it non-zero so we know we have been here */
   PDEBUG("initial thread stack bounds: bos=%p, tos=%p\n",
         __pthread_initial_thread_bos, __pthread_initial_thread_tos);
--- /dev/null
+++ b/libpthread/linuxthreads.old/sysdeps/ubicom32/pt-machine.h
@@ -0,0 +1,68 @@
+/* Machine-dependent pthreads configuration and inline functions.
+
+   Copyright (C) 1996, 1997, 1998, 2000, 2002, 2003, 2004
+   Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ralf Baechle <ralf@gnu.org>.
+   Based on the Alpha version by Richard Henderson <rth@tamu.edu>.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public License as
+   published by the Free Software Foundation; either version 2.1 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If
+   not, write to the Free Software Foundation, Inc.,
+   59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+
+#ifndef _PT_MACHINE_H
+#define _PT_MACHINE_H   1
+
+#include <features.h>
+
+/*
+ * XXX try to make this inline
+ */
+extern long int testandset (int *spinlock);
+
+#ifndef PT_EI
+#define PT_EI
+#else
+/* Spinlock implementation; required.  */
+
+/*
+ * testandset() is the basis for the pthread spin lock.
+ *
+ * This implementation only requires that we 'set' the state of *spinlock. As
+ * bset is allows us to atomically 'testandset' a single bit define our 'set' is
+ * such that we will set bit 0 (ignoring all other bits, which should also be
+ * zero).
+ * Return value of 1 implies that the bit was already set and is still
+ * set.
+ * Return value of 0 implies that the bit was not previously set but it
+ * now is.
+ */
+long int
+testandset (int *spinlock)
+{
+       int ret;
+       __asm__ volatile (
+               "       move.4  %0, #0          \n\t" /* Assume that the bit is not currently set */
+               "       bset    %1, %1, #0      \n\t" /* Attempt to 'set' bit 0 */
+               "       jmpeq.t 1f              \n\t"
+               "       move.4  %0, #1          \n\t" /* Bit was already set, so return 1 */
+               " 1:                            \n\t"
+               : "=r"(ret), "+U4"(*spinlock)
+               :
+               : "memory", "cc"
+               );
+       return ret;
+}
+#endif
+#endif /* pt-machine.h */
--- /dev/null
+++ b/libpthread/linuxthreads.old/sysdeps/ubicom32/tls.h
@@ -0,0 +1,26 @@
+/* Definitions for thread-local data handling.  linuxthreads/MIPS version.
+   Copyright (C) 2005 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#ifndef _TLS_H
+#define _TLS_H
+#ifdef HAVE_TLS_SUPPORT
+#warning no tls support
+#undef USE_TLS
+#endif
+#endif /* tls.h */
--- /dev/null
+++ b/libc/sysdeps/linux/ubicom32/sys/user.h
@@ -0,0 +1,40 @@
+/* Copyright (C) 1998 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#ifndef _SYS_USER_H
+#define _SYS_USER_H 1
+
+#include <features.h>
+
+#include <asm/ptrace.h>
+
+struct user {
+       struct pt_regs  regs;                   /* entire machine state */
+       size_t          u_tsize;                /* text size (pages) */
+       size_t          u_dsize;                /* data size (pages) */
+       size_t          u_ssize;                /* stack size (pages) */
+       unsigned long   start_code;             /* text starting address */
+       unsigned long   start_data;             /* data starting address */
+       unsigned long   start_stack;            /* stack starting address */
+       long int        signal;                 /* signal causing core dump */
+       struct regs *   u_ar0;                  /* help gdb find registers */
+       unsigned long   magic;                  /* identifies a core file */
+       char            u_comm[32];             /* user command name */
+};
+
+#endif /* _SYS_USER_H */