hak5
/
wifipineapple-openwrt
mirror of https://github.com/hak5/wifipineapple-openwrt.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity
wifipineapple-openwrt/toolchain/uClibc/patches-0.9.33.2/600-ubicom32-uClibc.patch

4306 lines
134 KiB
Diff
Raw Blame History

This file contains ambiguous Unicode characters!

This file contains ambiguous Unicode characters that may be confused with others in your current locale. If your use case is intentional and legitimate, you can safely ignore this warning. Use the Escape button to highlight these characters.

--- a/Rules.mak
+++ b/Rules.mak
@@ -524,6 +524,17 @@ ifeq ($(TARGET_ARCH),i960)
SYMBOL_PREFIX=_
endif
+ifeq ($(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)"
@@ -206,6 +209,10 @@ 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
@@ -152,7 +152,7 @@ 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
@@ -338,6 +338,8 @@ typedef struct
#define EM_XSTORMY16 0xad45
+#define EM_UBICOM32 0xde3d /* Ubicom32; no ABI */
+
/* FRV magic number - no EABI available??. */
#define EM_CYGNUS_FRV 0x5441
@@ -3141,6 +3143,55 @@ typedef Elf32_Addr Elf32_Conflict;
#define R_MICROBLAZE_COPY 21 /* runtime copy */
#define R_MICROBLAZE_NUM 22
+/* 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
@@ -448,4 +448,10 @@ 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 */
--- /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
@@ -391,6 +391,10 @@ 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__ */
}
@@ -467,7 +471,8 @@ static void pthread_initialize(void)
* for a few more details.
*/
__pthread_initial_thread_mid = CURRENT_STACK_FRAME;
- __pthread_initial_thread_tos = (char *) -1;
+ if (__pthread_initial_thread_tos == NULL)
+ __pthread_initial_thread_tos = (char *) -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 */
Reference in New Issue View Git Blame Copy Permalink