diff options
| author | florian <florian@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2012-11-30 10:53:55 +0000 |
|---|---|---|
| committer | florian <florian@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2012-11-30 10:53:55 +0000 |
| commit | 1037c8bce19e53efdacb627bf5d94ed2943523aa (patch) | |
| tree | 5454dd55a3d674448c19dc43804cce12badb3f80 /toolchain/uClibc | |
| parent | 9e4ba84089abf6c44f55b963a3133d99d25071ae (diff) | |
[toolchain] remove support for ubicom32
Signed-off-by: Florian Fainelli <florian@openwrt.org>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@34432 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'toolchain/uClibc')
| -rw-r--r-- | toolchain/uClibc/config-0.9.33.2/common | 1 | ||||
| -rw-r--r-- | toolchain/uClibc/config-0.9.33.2/ubicom32 | 36 | ||||
| -rw-r--r-- | toolchain/uClibc/patches-0.9.33.2/600-ubicom32-uClibc.patch | 4305 | ||||
| -rw-r--r-- | toolchain/uClibc/patches-0.9.33.2/601-ubicom32_uClibc_fixes.patch | 32 |
4 files changed, 0 insertions, 4374 deletions
diff --git a/toolchain/uClibc/config-0.9.33.2/common b/toolchain/uClibc/config-0.9.33.2/common index d6b3d2c44c..4e4da3e37e 100644 --- a/toolchain/uClibc/config-0.9.33.2/common +++ b/toolchain/uClibc/config-0.9.33.2/common @@ -76,7 +76,6 @@ TARGET_SUBARCH="" # TARGET_sh is not set # TARGET_sh64 is not set # TARGET_sparc is not set -# TARGET_ubicom32 is not set # TARGET_v850 is not set # TARGET_vax is not set # TARGET_x86_64 is not set diff --git a/toolchain/uClibc/config-0.9.33.2/ubicom32 b/toolchain/uClibc/config-0.9.33.2/ubicom32 deleted file mode 100644 index 6277fc380a..0000000000 --- a/toolchain/uClibc/config-0.9.33.2/ubicom32 +++ /dev/null @@ -1,36 +0,0 @@ -ARCH_BIG_ENDIAN=y -ARCH_HAS_NO_MMU=y -COMPAT_ATEXIT=y -# CONFIG_UC_UBICOM32_V3 is not set -CONFIG_UC_UBICOM32_V4=y -# DOSTRIP is not set -EXCLUDE_BRK=y -FORCE_SHAREABLE_TEXT_SEGMENTS=y -LDSO_PRELOAD_FILE_SUPPORT=y -LINUXTHREADS_OLD=y -MALLOC=y -# MALLOC_STANDARD is not set -PTHREADS_DEBUG_SUPPORT=y -SUPPORT_LD_DEBUG=y -TARGET_ARCH="ubicom32" -TARGET_ubicom32=y -# UCLIBC_FORMAT_ELF is not set -UCLIBC_FORMAT_FDPIC_ELF=y -# UCLIBC_FORMAT_FLAT is not set -# UCLIBC_FORMAT_FLAT_SEP_DATA is not set -# UCLIBC_FORMAT_SHARED_FLAT is not set -UCLIBC_HAS_FOPEN_LARGEFILE_MODE=y -UCLIBC_HAS_FPU=y -# UCLIBC_HAS_GETPT is not set -UCLIBC_HAS_OBSOLETE_BSD_SIGNAL=y -UCLIBC_HAS_OBSOLETE_SYSV_SIGNAL=y -UCLIBC_HAS_PROFILING=y -UCLIBC_HAS_REENTRANT_RPC=y -UCLIBC_HAS_STUBS=y -# UCLIBC_HAS_THREADS_NATIVE is not set -UCLIBC_HAS_XATTR=y -UCLIBC_NTP_LEGACY=y -UCLIBC_STATIC_LDCONFIG=y -UCLIBC_SV4_DEPRECATED=y -UCLIBC_UCLINUX_BROKEN_MUNMAP=y -UNIX98PTY_ONLY=y diff --git a/toolchain/uClibc/patches-0.9.33.2/600-ubicom32-uClibc.patch b/toolchain/uClibc/patches-0.9.33.2/600-ubicom32-uClibc.patch deleted file mode 100644 index 6e8fc8a89e..0000000000 --- a/toolchain/uClibc/patches-0.9.33.2/600-ubicom32-uClibc.patch +++ /dev/null @@ -1,4305 +0,0 @@ ---- 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 */ diff --git a/toolchain/uClibc/patches-0.9.33.2/601-ubicom32_uClibc_fixes.patch b/toolchain/uClibc/patches-0.9.33.2/601-ubicom32_uClibc_fixes.patch deleted file mode 100644 index d2bfdc72b4..0000000000 --- a/toolchain/uClibc/patches-0.9.33.2/601-ubicom32_uClibc_fixes.patch +++ /dev/null @@ -1,32 +0,0 @@ ---- a/ldso/include/dl-elf.h -+++ b/ldso/include/dl-elf.h -@@ -45,6 +45,10 @@ extern int _dl_linux_resolve(void); - extern int _dl_fixup(struct dyn_elf *rpnt, struct r_scope_elem *scope, int flag); - extern void _dl_protect_relro (struct elf_resolve *l); - -+#ifndef DL_LOADADDR_ISSET(_loadaddr) -+#define DL_LOADADDR_ISSET(_loadaddr) ((_loadaddr) != 0) -+#endif -+ - /* - * Bitsize related settings for things ElfW() - * does not handle already -@@ -206,7 +210,7 @@ unsigned int __dl_parse_dynamic_info(Elf - we'd have to walk all the loadsegs to find out if it was - actually unnecessary, so skip this optimization. */ - #if !defined __FDPIC__ && !defined __DSBT__ -- if (load_off != 0) -+ if (DL_LOADADDR_ISSET(load_off)) - #endif - { - ADJUST_DYN_INFO(DT_HASH, load_off); ---- a/ldso/ldso/ubicom32/dl-sysdep.h -+++ b/ldso/ldso/ubicom32/dl-sysdep.h -@@ -101,6 +101,7 @@ do { \ - } while (0) - - #define DL_LOADADDR_TYPE struct elf32_fdpic_loadaddr -+#define DL_LOADADDR_ISSET(_loadaddr) ((_loadaddr).map != NULL) - - #define DL_RELOC_ADDR(LOADADDR, ADDR) \ - ((ElfW(Addr))__reloc_pointer ((void*)(ADDR), (LOADADDR).map)) |