added and modified bionic code to support SuperH architecture

    modified:   libc/Android.mk
    new files:   libc/arch-sh/bionic/*
    new files:   libc/arch-sh/include/*

22 files changed, 1973 insertions, 0 deletions

diff --git a/libc/arch-sh/bionic/__get_pc.S b/libc/arch-sh/bionic/__get_pc.S
new file mode 100644
index 0000000..155b387
--- /dev/null
+++ b/libc/arch-sh/bionic/__get_pc.S
@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *  * Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  * Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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
+ * COPYRIGHT OWNER OR 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.
+ */
+.text
+.type   __get_pc, @function
+.globl  __get_pc
+.align  4
+
+__get_pc:
+    mova    1f, r0
+    rts
+1:  nop
+
diff --git a/libc/arch-sh/bionic/__get_sp.S b/libc/arch-sh/bionic/__get_sp.S
new file mode 100644
index 0000000..0e34a01
--- /dev/null
+++ b/libc/arch-sh/bionic/__get_sp.S
@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *  * Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  * Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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
+ * COPYRIGHT OWNER OR 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.
+ */
+.text
+.type   __get_sp, @function
+.globl  __get_sp
+.align  4
+
+__get_sp:
+    rts
+    mov     r15, r0
+
diff --git a/libc/arch-sh/bionic/__get_tls.c b/libc/arch-sh/bionic/__get_tls.c
new file mode 100644
index 0000000..8a5e4ff
--- /dev/null
+++ b/libc/arch-sh/bionic/__get_tls.c
@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *  * Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  * Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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
+ * COPYRIGHT OWNER OR 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.
+ */
+/* see the implementation of __set_tls and pthread.c to understand this
+ * code. Basically, the content of fs:[0] always is a pointer to the base
+ * address of the tls region
+ */
+void *__get_tls(void)
+{
+    void *tls;
+    asm volatile("stc gbr, %0" : "=r"(tls));
+    return tls;
+}
diff --git a/libc/arch-sh/bionic/__set_tls.c b/libc/arch-sh/bionic/__set_tls.c
new file mode 100644
index 0000000..7f863de
--- /dev/null
+++ b/libc/arch-sh/bionic/__set_tls.c
@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *  * Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  * Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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
+ * COPYRIGHT OWNER OR 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.
+ */
+#include <pthread.h>
+
+/*
+ * Simply set tls address into GBR.
+ */
+int __set_tls(void *ptr)
+{
+    asm volatile("ldc %0, gbr" : /* no output */ : "r" (ptr));
+    return 0;
+}
diff --git a/libc/arch-sh/bionic/_exit_with_stack_teardown.S b/libc/arch-sh/bionic/_exit_with_stack_teardown.S
new file mode 100644
index 0000000..6356eb6
--- /dev/null
+++ b/libc/arch-sh/bionic/_exit_with_stack_teardown.S
@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *  * Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  * Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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
+ * COPYRIGHT OWNER OR 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.
+ */
+#include <asm/unistd.h>
+
+.text
+.type   _exit_with_stack_teardown, @function
+.globl  _exit_with_stack_teardown
+.align  4
+
+# void _exit_with_stack_teardown(void * stackBase, int stackSize, int retCode)
+
+_exit_with_stack_teardown:
+    mov     r6, r8      /* save retCode : breaks r8 value */
+    mov.l   0f, r3      /* system call number */
+    trapa   #(2 + 0x10) /* invoke system call with num of args */
+
+    mov     r8, r4      /* restore retCode */
+    mov.l   1f, r3      /* system call number */
+    trapa   #(1 + 0x10) /* invoke system call with num of args */
+
+    /* exit() should never return, cause a crash if it does */
+    mov     #0, r0
+    mov.l   @r0, r0
+
+    .align  2
+0:  .long   __NR_munmap
+1:  .long   __NR_exit
diff --git a/libc/arch-sh/bionic/_setjmp.S b/libc/arch-sh/bionic/_setjmp.S
new file mode 100644
index 0000000..a04fcb6
--- /dev/null
+++ b/libc/arch-sh/bionic/_setjmp.S
@@ -0,0 +1,125 @@
+/*	$OpenBSD: _setjmp.S,v 1.2 2007/03/02 06:11:54 miod Exp $	*/
+/*	$NetBSD: _setjmp.S,v 1.7 2006/01/05 02:04:41 uwe Exp $	*/
+
+/*-
+ * Copyright (c) 1990 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * William Jolitz.
+ *
+ * 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. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND 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 REGENTS OR 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.
+ *
+ *	from: @(#)_setjmp.s	5.1 (Berkeley) 4/23/90
+ */
+
+#include <machine/asm.h>
+#include <machine/setjmp.h>
+
+/*
+ * C library -- _setjmp, _longjmp
+ *
+ *	_longjmp(a,v)
+ * will generate a "return(v)" from the last call to
+ *	_setjmp(a)
+ * by restoring registers from the stack.
+ * The previous signal state is NOT restored.
+ */
+
+ENTRY(_setjmp)
+	xor	r0,	r0
+#if defined(__SH4__) && !defined(__SH4_NOFPU__)
+	add	#(_JBLEN * 4), r4
+	sts	fpscr,	r1
+	mov.l	r1,	@-r4
+	lds	r0,	fpscr
+	sts.l	fpul,	@-r4
+	fmov.s	fr15,	@-r4
+	fmov.s	fr14,	@-r4
+	fmov.s	fr13,	@-r4
+	fmov.s	fr12,	@-r4
+	frchg
+	fmov.s	fr15,	@-r4
+	fmov.s	fr14,	@-r4
+	fmov.s	fr13,	@-r4
+	fmov.s	fr12,	@-r4
+	lds	r1,	fpscr
+#else
+	add	#((_JBLEN - 10) * 4), r4
+#endif
+	sts.l	mach,	@-r4
+	sts.l	macl,	@-r4
+	mov.l	r15,	@-r4
+	mov.l	r14,	@-r4
+	mov.l	r13,	@-r4
+	mov.l	r12,	@-r4
+	mov.l	r11,	@-r4
+	mov.l	r10,	@-r4
+	mov.l	r9,	@-r4
+	mov.l	r8,	@-r4
+	sts.l	pr,	@-r4
+	mov.l	r0,	@-r4		/* dummy signal mask */
+	rts
+	 mov.l	r0,	@-r4		/* no saved signal mask */
+	SET_ENTRY_SIZE(_setjmp)
+
+ENTRY(_longjmp)
+	add	#8,	r4
+	lds.l	@r4+,	pr
+	mov.l	@r4+,	r8
+	mov.l	@r4+,	r9
+	mov.l	@r4+,	r10
+	mov.l	@r4+,	r11
+	mov.l	@r4+,	r12
+	mov.l	@r4+,	r13
+	mov.l	@r4+,	r14
+	mov.l	@r4+,	r15
+	lds.l	@r4+,	macl
+	lds.l	@r4+,	mach
+#if defined(__SH4__) && !defined(__SH4_NOFPU__)
+	xor	r0, 	r0
+	lds	r0,	fpscr
+	frchg
+	fmov.s	@r4+,	fr12
+	fmov.s	@r4+,	fr13
+	fmov.s	@r4+,	fr14
+	fmov.s	@r4+,	fr15
+	frchg
+	fmov.s	@r4+,	fr12
+	fmov.s	@r4+,	fr13
+	fmov.s	@r4+,	fr14
+	fmov.s	@r4+,	fr15
+	lds.l	@r4+,	fpul
+	lds.l	@r4+,	fpscr
+#endif
+
+	mov	r5,	r0
+	tst	r0,	r0
+	bf	.L0
+	add	#1,	r0
+.L0:
+	rts
+	 nop
+	SET_ENTRY_SIZE(_longjmp)
diff --git a/libc/arch-sh/bionic/atomic_cmpxchg.S b/libc/arch-sh/bionic/atomic_cmpxchg.S
new file mode 100644
index 0000000..4ccd6cf
--- /dev/null
+++ b/libc/arch-sh/bionic/atomic_cmpxchg.S
@@ -0,0 +1,50 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *  * Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  * Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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
+ * COPYRIGHT OWNER OR 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.
+ */
+.text
+.type   __atomic_cmpxchg, @function
+.globl  __atomic_cmpxchg
+.align 4
+
+__atomic_cmpxchg:
+    mova    1f, r0
+    nop
+    mov     r15, r1
+    mov     #-8, r15    /* critical region start */
+0:  mov.l   @r6, r2
+    cmp/eq  r2, r4
+    bt      not_yet_modified
+    mov     #1, r0
+    bra     done
+    nop
+not_yet_modified:
+    mov     #0, r0
+    mov.l   r5, @r6
+done:
+1:  mov     r1, r15     /* critical region end */
+    rts
+    nop
diff --git a/libc/arch-sh/bionic/atomics_sh.c b/libc/arch-sh/bionic/atomics_sh.c
new file mode 100644
index 0000000..16966f7
--- /dev/null
+++ b/libc/arch-sh/bionic/atomics_sh.c
@@ -0,0 +1,100 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *  * Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  * Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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
+ * COPYRIGHT OWNER OR 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.
+ */
+
+#include <pthread.h>
+#include <linux/futex.h>
+
+#define  SWAP_LOCK_COUNT  32U
+static pthread_mutex_t  _swap_locks[SWAP_LOCK_COUNT];
+
+#define  SWAP_LOCK(addr)   \
+   &_swap_locks[((unsigned)(void *)(addr) >> 3U) % SWAP_LOCK_COUNT]
+
+#if 0
+/*
+ * Only this function is moved to atomic_cmpxchg.S, and
+ * implemented with gUSA framework.
+ */
+int __atomic_cmpxchg(int old, int _new, volatile int *ptr)
+{
+    int result;
+    pthread_mutex_t *lock = SWAP_LOCK(ptr);
+
+    pthread_mutex_lock(lock);
+
+    if (*ptr == old) {
+        *ptr  = _new;
+        result = 0;
+    } else {
+        result = 1;
+    }
+    pthread_mutex_unlock(lock);
+    return result;
+}
+#else
+extern int __atomic_cmpxchg(int old, int _new, volatile int *ptr);
+#endif
+
+int __atomic_swap(int _new, volatile int *ptr)
+{
+    int oldValue;
+    do {
+        oldValue = *ptr;
+    } while (__atomic_cmpxchg(oldValue, _new, ptr));
+    return oldValue;
+}
+
+int __atomic_dec(volatile int *ptr)
+{
+    int oldValue;
+    do {
+        oldValue = *ptr;
+    } while (__atomic_cmpxchg(oldValue, oldValue-1, ptr));
+    return oldValue;
+}
+
+int __atomic_inc(volatile int *ptr)
+{
+    int32_t oldValue;
+    do {
+        oldValue = *ptr;
+    } while (__atomic_cmpxchg(oldValue, oldValue+1, ptr));
+    return oldValue;
+}
+
+extern int futex(volatile void *, int, int, void *, void *, int);
+
+int __futex_wait(volatile void *ftx, int val, const struct timespec *timeout)
+{
+    return futex(ftx, FUTEX_WAIT, val, (void *)timeout, NULL, 0);
+}
+
+int __futex_wake(volatile void *ftx, int count)
+{
+    return futex(ftx, FUTEX_WAKE, count, NULL, NULL, 0);
+}
diff --git a/libc/arch-sh/bionic/bzero.S b/libc/arch-sh/bionic/bzero.S
new file mode 100644
index 0000000..ca8bed4
--- /dev/null
+++ b/libc/arch-sh/bionic/bzero.S
@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *  * Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  * Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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
+ * COPYRIGHT OWNER OR 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.
+ */
+#define BZERO
+#include "memset.S"
diff --git a/libc/arch-sh/bionic/clone.S b/libc/arch-sh/bionic/clone.S
new file mode 100644
index 0000000..0bbaecb
--- /dev/null
+++ b/libc/arch-sh/bionic/clone.S
@@ -0,0 +1,74 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *  * Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  * Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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
+ * COPYRIGHT OWNER OR 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.
+ */
+#include <sys/linux-syscalls.h>
+
+.text
+.type   __pthread_clone, @function
+.globl  __pthread_clone
+.align  4
+
+__pthread_clone:
+    /* insert the args onto the new stack */
+    mov     r5, r0
+    mov.l   r4, @-r0    /* func */
+    mov.l   r7, @-r0    /* arg */
+
+    /* do the system call */
+    mov     r6, r4      /* Set clone_flags. new sp is ready in r5. */
+    mov.l   0f, r3
+    trapa   #(4 + 0x10)
+
+    /* check error */
+    cmp/pz  r0
+    bf      __error
+
+    /* check if parent or child */
+    cmp/pl  r0
+    bt      __return
+
+    /* prepare args for __thread_entry */
+    mov     #8, r1
+    sub     r1, r15     /* -8 */
+    mov.l   @r15+, r5   /* +4 */ /* arg */
+    mov.l   @r15+, r4   /* +4 */ /* func */
+    mov     r15, r6              /* tls */
+
+    /* jump to __thread_entry */
+    mov.l   1f, r0
+    jmp @r0
+    nop
+
+__error:
+    mov     #-1, r0
+__return:
+    rts
+    nop
+
+    .align 2
+0:  .long   __NR_clone
+1:  .long   __thread_entry
diff --git a/libc/arch-sh/bionic/crtbegin_dynamic.S b/libc/arch-sh/bionic/crtbegin_dynamic.S
new file mode 100644
index 0000000..dc485dd
--- /dev/null
+++ b/libc/arch-sh/bionic/crtbegin_dynamic.S
@@ -0,0 +1,95 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *  * Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  * Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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
+ * COPYRIGHT OWNER OR 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.
+ */
+.text
+.align  4
+.type   _start,#function
+.globl  _start
+
+# this is the small startup code that is first run when
+# any executable that is statically-linked with Bionic
+# runs.
+#
+# it's purpose is to call __libc_init with appropriate
+# arguments, which are:
+#
+#    - the address of the raw data block setup by the Linux
+#      kernel ELF loader
+#
+#    - address of an "onexit" function, not used on any
+#      platform supported by Bionic
+#
+#    - address of the "main" function of the program. We
+#      can't hard-code it in the adr pseudo instruction
+#      so we use a tiny trampoline that will get relocated
+#      by the dynamic linker before this code runs
+#
+#    - address of the constructor list
+#
+_start:
+    mov     r15, r4
+    mov     #0, r5
+    mov.l   0f, r6
+    mova    2f, r0
+    mov     r0, r7
+    mov.l   1f, r0
+    jmp     @r0
+    nop
+
+    .balign 4
+0:  .long   main
+1:  .long   __libc_init
+2:  .long   __PREINIT_ARRAY__
+    .long   __INIT_ARRAY__
+    .long   __FINI_ARRAY__
+    .long   __CTOR_LIST__
+
+# the .ctors section contains a list of pointers to "constructor"
+# functions that need to be called in order during C library initialization,
+# just before the program is being run. This is a C++ requirement
+#
+# the last entry shall be 0, and is defined in crtend.S
+#
+    .section .preinit_array, "aw"
+    .globl __PREINIT_ARRAY__
+__PREINIT_ARRAY__:
+    .long -1
+
+    .section .init_array, "aw"
+    .globl __INIT_ARRAY__
+__INIT_ARRAY__:
+    .long -1
+
+    .section .fini_array, "aw"
+    .globl __FINI_ARRAY__
+__FINI_ARRAY__:
+    .long -1
+
+    .section .ctors, "aw"
+    .globl __CTOR_LIST__
+__CTOR_LIST__:
+    .long -1
diff --git a/libc/arch-sh/bionic/crtbegin_static.S b/libc/arch-sh/bionic/crtbegin_static.S
new file mode 100644
index 0000000..97db1e4
--- /dev/null
+++ b/libc/arch-sh/bionic/crtbegin_static.S
@@ -0,0 +1,96 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *  * Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  * Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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
+ * COPYRIGHT OWNER OR 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.
+ */
+.text
+.align  4
+.type   _start,#function
+.globl  _start
+
+# this is the small startup code that is first run when
+# any executable that is statically-linked with Bionic
+# runs.
+#
+# it's purpose is to call __libc_init with appropriate
+# arguments, which are:
+#
+#    - the address of the raw data block setup by the Linux
+#      kernel ELF loader
+#
+#    - address of an "onexit" function, not used on any
+#      platform supported by Bionic
+#
+#    - address of the "main" function of the program. We
+#      can't hard-code it in the adr pseudo instruction
+#      so we use a tiny trampoline that will get relocated
+#      by the dynamic linker before this code runs
+#
+#    - address of the constructor list
+#
+_start:
+    mov     r15, r4
+    mov     #0, r5
+    mov.l   0f, r6
+    mova    2f, r0
+    mov     r0, r7
+    mov.l   1f, r0
+    jmp     @r0
+    nop
+
+    .balign 4
+0:  .long   main
+1:  .long   __libc_init
+2:  .long   __PREINIT_ARRAY__
+    .long   __INIT_ARRAY__
+    .long   __FINI_ARRAY__
+    .long   __CTOR_LIST__
+
+# the .ctors section contains a list of pointers to "constructor"
+# functions that need to be called in order during C library initialization,
+# just before the program is being run. This is a C++ requirement
+#
+# the last entry shall be 0, and is defined in crtend.S
+#
+    .section .preinit_array, "aw"
+    .globl __PREINIT_ARRAY__
+__PREINIT_ARRAY__:
+    .long -1
+
+    .section .init_array, "aw"
+    .globl __INIT_ARRAY__
+__INIT_ARRAY__:
+    .long -1
+
+    .section .fini_array, "aw"
+    .globl __FINI_ARRAY__
+__FINI_ARRAY__:
+    .long -1
+
+    .section .ctors, "aw"
+    .globl __CTOR_LIST__
+__CTOR_LIST__:
+    .long -1
+
diff --git a/libc/arch-sh/bionic/crtend.S b/libc/arch-sh/bionic/crtend.S
new file mode 100644
index 0000000..4ced3aa
--- /dev/null
+++ b/libc/arch-sh/bionic/crtend.S
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *  * Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  * Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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
+ * COPYRIGHT OWNER OR 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.
+ */
+
+    .section .preinit_array, "aw"
+    .long 0
+
+    .section .init_array, "aw"
+    .long 0
+
+    .section .fini_array, "aw"
+    .long 0
+
+    .section .ctors, "aw"
+    .long 0
diff --git a/libc/arch-sh/bionic/ffs.S b/libc/arch-sh/bionic/ffs.S
new file mode 100644
index 0000000..733694b
--- /dev/null
+++ b/libc/arch-sh/bionic/ffs.S
@@ -0,0 +1,103 @@
+/*	$NetBSD: ffs.S,v 1.1 2005/12/20 19:28:50 christos Exp $	*/
+
+/*-
+ * Copyright (c) 2002 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by ITOH Yasufumi.
+ *
+ * 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. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the NetBSD
+ *	Foundation, Inc. and its contributors.
+ * 4. Neither the name of The NetBSD Foundation nor the names of its
+ *    contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND 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 FOUNDATION OR 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.
+ */
+
+#include <machine/asm.h>
+
+#if defined(LIBC_SCCS) && !defined(lint)
+	RCSID("$NetBSD: ffs.S,v 1.1 2005/12/20 19:28:50 christos Exp $")
+#endif
+
+/*
+ * ffs - find first bit set
+ *
+ * This code makes use of ``test 8bit'' and ``shift 8bit'' instructions.
+ * The remaining 8bit is tested in every 2bit.
+ */
+
+ENTRY(ffs)
+	mov	r4,r0		! using r0 specific instructions
+	tst	#0xff,r0
+	bf/s	L8bit
+	mov	#0+1,r1		! ret = 1..8
+
+	tst	r0,r0		! ffs(0) is 0
+	bt	Lzero		! testing here to accelerate ret=1..8 cases
+
+	shlr8	r0
+	tst	#0xff,r0
+	bf/s	L8bit
+	mov	#8+1,r1		! ret = 9..16
+
+	shlr8	r0
+	tst	#0xff,r0
+	bf/s	L8bit
+	mov	#16+1,r1	! ret = 17..24
+
+	shlr8	r0
+	mov	#24+1,r1	! ret = 25..32
+
+L8bit:
+	tst	#0x0f,r0
+	bt	4f
+
+	tst	#0x03,r0
+	bt	2f
+	tst	#0x01,r0	! not bit 0 -> T
+	mov	#0,r0
+	rts
+	 addc	r1,r0		! 0 + r1 + T -> r0
+
+2:	tst	#0x04,r0
+	mov	#2,r0
+	rts
+	 addc	r1,r0
+
+4:	tst	#0x30,r0
+	bt	6f
+	tst	#0x10,r0
+	mov	#4,r0
+	rts
+	 addc	r1,r0
+
+6:	tst	#0x40,r0
+	mov	#6,r0
+	rts
+	 addc	r1,r0
+
+Lzero:	rts
+	 nop
diff --git a/libc/arch-sh/bionic/memcpy.S b/libc/arch-sh/bionic/memcpy.S
new file mode 100644
index 0000000..9d1b897
--- /dev/null
+++ b/libc/arch-sh/bionic/memcpy.S
@@ -0,0 +1,268 @@
+/*	$OpenBSD: memcpy.S,v 1.1.1.1 2006/10/10 22:07:10 miod Exp $	*/
+/*	$NetBSD: memcpy.S,v 1.2 2006/04/22 23:53:47 uwe Exp $	*/
+
+/*
+ * Copyright (c) 2000 SHIMIZU Ryo <ryo@misakimix.org>
+ * 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. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
+ */
+
+#include <machine/asm.h>
+
+#if !defined(MEMCOPY) && !defined(MEMMOVE) && !defined(BCOPY)
+#define MEMCOPY
+#endif
+
+#if defined(MEMCOPY) || defined(MEMMOVE)
+#define	REG_DST0	r3
+#define	REG_SRC		r5
+#define	REG_DST		r4
+#else
+#define	REG_SRC		r4
+#define	REG_DST		r5
+#endif
+
+#define	REG_LEN		r6
+
+#if defined(MEMCOPY)
+ENTRY(memcpy)
+#elif defined(MEMMOVE)
+ENTRY(memmove)
+#elif defined(BCOPY)
+ENTRY(bcopy)
+#endif
+#ifdef REG_DST0
+	mov	REG_DST,REG_DST0
+#endif
+	cmp/eq	REG_DST,REG_SRC	/* if ( src == dst ) return; */
+	bt/s	bcopy_return
+	cmp/hi	REG_DST,REG_SRC
+	bf/s	bcopy_overlap
+
+	mov	REG_SRC,r0
+	xor	REG_DST,r0
+	and	#3,r0
+	mov	r0,r1
+	tst	r0,r0		/* (src ^ dst) & 3         */
+	bf/s	word_align
+
+longword_align:
+	tst	REG_LEN,REG_LEN	/* if ( len==0 ) return;   */
+	bt/s	bcopy_return
+
+
+	mov	REG_SRC,r0
+	tst	#1,r0		/* if ( src & 1 )          */
+	bt	1f
+	mov.b	@REG_SRC+,r0	/*    *dst++ = *src++;     */
+	add	#-1,REG_LEN
+	mov.b	r0,@REG_DST
+	add	#1,REG_DST
+1:
+
+
+	mov	#1,r0
+	cmp/hi	r0,REG_LEN	/* if ( (len > 1) &&       */
+	bf/s	1f
+	mov	REG_SRC,r0
+	tst	#2,r0		/*      (src & 2) {        */
+	bt	1f
+	mov.w	@REG_SRC+,r0	/*        *((unsigned short*)dst)++ = *((unsigned short*)src)++; */
+	add	#-2,REG_LEN	/*        len -= 2;                                              */
+	mov.w	r0,@REG_DST
+	add	#2,REG_DST	/* }                       */
+1:
+
+
+	mov	#3,r1
+	cmp/hi	r1,REG_LEN	/* while ( len > 3 ) {     */
+	bf/s	no_align_delay
+	tst	REG_LEN,REG_LEN
+2:
+	mov.l	@REG_SRC+,r0	/*   *((unsigned long*)dst)++ = *((unsigned long*)src)++;        */
+	add	#-4,REG_LEN	/*   len -= 4;                                                   */
+	mov.l	r0,@REG_DST
+	cmp/hi	r1,REG_LEN
+	bt/s	2b
+	add	#4,REG_DST	/* }                       */
+
+	bra	no_align_delay
+	tst	REG_LEN,REG_LEN
+
+
+word_align:
+	mov	r1,r0
+	tst	#1,r0
+	bf/s	no_align_delay
+	tst	REG_LEN,REG_LEN	/* if ( len == 0 ) return; */
+	bt	bcopy_return
+
+
+	mov	REG_SRC,r0	/* if ( src & 1 )          */
+	tst	#1,r0
+	bt	1f
+	mov.b	@REG_SRC+,r0	/*    *dst++ = *src++;     */
+	add	#-1,REG_LEN
+	mov.b	r0,@REG_DST
+	add	#1,REG_DST
+1:
+
+
+	mov	#1,r1
+	cmp/hi	r1,REG_LEN	/* while ( len > 1 ) {     */
+	bf/s	no_align_delay
+	tst	REG_LEN,REG_LEN
+2:
+	mov.w	@REG_SRC+,r0	/*   *((unsigned short*)dst)++ = *((unsigned short*)src)++;      */
+	add	#-2,REG_LEN	/*   len -= 2;                                                   */
+	mov.w	r0,@REG_DST
+	cmp/hi	r1,REG_LEN
+	bt/s	2b
+	add	#2,REG_DST	/* }                       */
+
+
+no_align:
+	tst	REG_LEN,REG_LEN	/* while ( len!= ) {       */
+no_align_delay:
+	bt	bcopy_return
+1:
+	mov.b	@REG_SRC+,r0	/*    *dst++ = *src++;     */
+	add	#-1,REG_LEN	/*    len--;               */
+	mov.b	r0,@REG_DST
+	tst	REG_LEN,REG_LEN
+	bf/s	1b
+	add	#1,REG_DST	/* }                       */
+bcopy_return:
+	rts
+#ifdef REG_DST0
+	mov	REG_DST0,r0
+#else
+	nop
+#endif
+
+
+bcopy_overlap:
+	add	REG_LEN,REG_SRC
+	add	REG_LEN,REG_DST
+
+	mov	REG_SRC,r0
+	xor	REG_DST,r0
+	and	#3,r0
+	mov	r0,r1
+	tst	r0,r0		/* (src ^ dst) & 3         */
+	bf/s	ov_word_align
+
+ov_longword_align:
+	tst	REG_LEN,REG_LEN	/* if ( len==0 ) return;   */
+	bt/s	bcopy_return
+
+
+	mov	REG_SRC,r0
+	tst	#1,r0		/* if ( src & 1 )          */
+	bt	1f
+	add	#-1,REG_SRC	/*    *--dst = *--src;     */
+	mov.b	@REG_SRC,r0
+	mov.b	r0,@-REG_DST
+	add	#-1,REG_LEN
+1:
+
+
+	mov	#1,r0
+	cmp/hi	r0,REG_LEN	/* if ( (len > 1) &&       */
+	bf/s	1f
+	mov	REG_SRC,r0
+	tst	#2,r0		/*      (src & 2) {        */
+	bt	1f
+	add	#-2,REG_SRC	/*        *--((unsigned short*)dst) = *--((unsigned short*)src); */
+	mov.w	@REG_SRC,r0
+	add	#-2,REG_LEN	/*        len -= 2;                                              */
+	mov.w	r0,@-REG_DST	/* }                       */
+1:
+
+
+	mov	#3,r1
+	cmp/hi	r1,REG_LEN	/* while ( len > 3 ) {     */
+	bf/s	ov_no_align_delay
+	tst	REG_LEN,REG_LEN
+2:
+	add	#-4,REG_SRC
+	mov.l	@REG_SRC,r0	/*   *((unsigned long*)dst)++ = *((unsigned long*)src)++;        */
+	add	#-4,REG_LEN	/*   len -= 4;                                                   */
+	cmp/hi	r1,REG_LEN
+	bt/s	2b
+	mov.l	r0,@-REG_DST	/* }                       */
+
+	bra	ov_no_align_delay
+	tst	REG_LEN,REG_LEN
+
+
+ov_word_align:
+	mov	r1,r0
+	tst	#1,r0
+	bf/s	ov_no_align_delay
+	tst	REG_LEN,REG_LEN	/* if ( len == 0 ) return; */
+	bt	bcopy_return
+
+
+	mov	REG_SRC,r0	/* if ( src & 1 )          */
+	tst	#1,r0
+	bt	1f
+	add	#-1,REG_SRC
+	mov.b	@REG_SRC,r0	/*    *--dst = *--src;     */
+	add	#-1,REG_LEN
+	mov.b	r0,@-REG_DST
+1:
+
+
+	mov	#1,r1
+	cmp/hi	r1,REG_LEN	/* while ( len > 1 ) {     */
+	bf/s	ov_no_align_delay
+	tst	REG_LEN,REG_LEN
+2:
+	add	#-2,REG_SRC
+	mov.w	@REG_SRC,r0	/*   *--((unsigned short*)dst) = *--((unsigned short*)src);      */
+	add	#-2,REG_LEN	/*   len -= 2;                                                   */
+	cmp/hi	r1,REG_LEN
+	bt/s	2b
+	mov.w	r0,@-REG_DST	/* }                       */
+
+
+ov_no_align:
+	tst	REG_LEN,REG_LEN	/* while ( len!= ) {       */
+ov_no_align_delay:
+	bt	9f
+1:
+	add	#-1,REG_SRC
+	mov.b	@REG_SRC,r0	/*    *--dst = *--src;     */
+	add	#-1,REG_LEN	/*    len--;               */
+	tst	REG_LEN,REG_LEN
+	bf/s	1b
+	mov.b	r0,@-REG_DST	/* }                       */
+9:
+	rts
+#ifdef REG_DST0
+	mov	REG_DST0,r0
+#else
+	nop
+#endif
diff --git a/libc/arch-sh/bionic/memmove.S b/libc/arch-sh/bionic/memmove.S
new file mode 100644
index 0000000..023fc10
--- /dev/null
+++ b/libc/arch-sh/bionic/memmove.S
@@ -0,0 +1,5 @@
+/*	$OpenBSD: memmove.S,v 1.1.1.1 2006/10/10 22:07:10 miod Exp $	*/
+/*	$NetBSD: memmove.S,v 1.2 2006/04/22 23:53:47 uwe Exp $	*/
+
+#define MEMMOVE
+#include "memcpy.S"
diff --git a/libc/arch-sh/bionic/memset.S b/libc/arch-sh/bionic/memset.S
new file mode 100644
index 0000000..73b0d06
--- /dev/null
+++ b/libc/arch-sh/bionic/memset.S
@@ -0,0 +1,295 @@
+/*	$OpenBSD: memset.S,v 1.1.1.1 2006/10/10 22:07:10 miod Exp $	*/
+/*	$NetBSD: memset.S,v 1.1 2005/12/20 19:28:50 christos Exp $	*/
+
+/*-
+ * Copyright (c) 2002 SHIMIZU Ryo.  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. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
+ */
+
+#include <machine/asm.h>
+
+#define	REG_PTR				r0
+#define	REG_TMP1			r1
+
+#ifdef BZERO
+# define	REG_C			r2
+# define	REG_DST			r4
+# define	REG_LEN			r5
+#else
+# define	REG_DST0		r3
+# define	REG_DST			r4
+# define	REG_C			r5
+# define	REG_LEN			r6
+#endif
+
+#ifdef BZERO
+ENTRY(bzero)
+#else
+ENTRY(memset)
+	mov	REG_DST,REG_DST0	/* for return value */
+#endif
+	/* small amount to fill ? */
+	mov	#28,REG_TMP1
+	cmp/hs	REG_TMP1,REG_LEN	/* if (len >= 28) goto large; */
+	bt/s	large
+	mov	#12,REG_TMP1		/* if (len >= 12) goto small; */
+	cmp/hs	REG_TMP1,REG_LEN
+	bt/s	small
+#ifdef BZERO
+	mov	#0,REG_C
+#endif
+	/* very little fill (0 ~ 11 bytes) */
+	tst	REG_LEN,REG_LEN
+	add	REG_DST,REG_LEN
+	bt/s	done
+	add	#1,REG_DST
+
+	/* unroll 4 loops */
+	cmp/eq	REG_DST,REG_LEN
+1:	mov.b	REG_C,@-REG_LEN
+	bt/s	done
+	cmp/eq	REG_DST,REG_LEN
+	mov.b	REG_C,@-REG_LEN
+	bt/s	done
+	cmp/eq	REG_DST,REG_LEN
+	mov.b	REG_C,@-REG_LEN
+	bt/s	done
+	cmp/eq	REG_DST,REG_LEN
+	mov.b	REG_C,@-REG_LEN
+	bf/s	1b
+	cmp/eq	REG_DST,REG_LEN
+done:
+#ifdef BZERO
+	rts
+	nop
+#else
+	rts
+	mov	REG_DST0,r0
+#endif
+
+
+small:
+	mov	REG_DST,r0
+	tst	#1,r0
+	bt/s	small_aligned
+	mov	REG_DST,REG_TMP1
+	shll	REG_LEN
+	mova	1f,r0			/* 1f must be 4bytes aligned! */
+	add	#16,REG_TMP1		/* REG_TMP1 = dst+16; */
+	sub	REG_LEN,r0
+	jmp	@r0
+	mov	REG_C,r0
+
+	.align	2
+	mov.b	r0,@(15,REG_TMP1)
+	mov.b	r0,@(14,REG_TMP1)
+	mov.b	r0,@(13,REG_TMP1)
+	mov.b	r0,@(12,REG_TMP1)
+	mov.b	r0,@(11,REG_TMP1)
+	mov.b	r0,@(10,REG_TMP1)
+	mov.b	r0,@(9,REG_TMP1)
+	mov.b	r0,@(8,REG_TMP1)
+	mov.b	r0,@(7,REG_TMP1)
+	mov.b	r0,@(6,REG_TMP1)
+	mov.b	r0,@(5,REG_TMP1)
+	mov.b	r0,@(4,REG_TMP1)
+	mov.b	r0,@(3,REG_TMP1)
+	mov.b	r0,@(2,REG_TMP1)
+	mov.b	r0,@(1,REG_TMP1)
+	mov.b	r0,@REG_TMP1
+	mov.b	r0,@(15,REG_DST)
+	mov.b	r0,@(14,REG_DST)
+	mov.b	r0,@(13,REG_DST)
+	mov.b	r0,@(12,REG_DST)
+	mov.b	r0,@(11,REG_DST)
+	mov.b	r0,@(10,REG_DST)
+	mov.b	r0,@(9,REG_DST)
+	mov.b	r0,@(8,REG_DST)
+	mov.b	r0,@(7,REG_DST)
+	mov.b	r0,@(6,REG_DST)
+	mov.b	r0,@(5,REG_DST)
+	mov.b	r0,@(4,REG_DST)
+	mov.b	r0,@(3,REG_DST)
+	mov.b	r0,@(2,REG_DST)
+	mov.b	r0,@(1,REG_DST)
+#ifdef BZERO
+	rts
+1:	mov.b	r0,@REG_DST
+#else
+	mov.b	r0,@REG_DST
+1:	rts
+	mov	REG_DST0,r0
+#endif
+
+
+/* 2 bytes aligned small fill */
+small_aligned:
+#ifndef BZERO
+	extu.b	REG_C,REG_TMP1		/* REG_C = ??????xx, REG_TMP1 = ????00xx */
+	shll8	REG_C			/* REG_C = ????xx00, REG_TMP1 = ????00xx */
+	or	REG_TMP1,REG_C		/* REG_C = ????xxxx */
+#endif
+
+	mov	REG_LEN,r0
+	tst	#1,r0			/* len is aligned? */
+	bt/s	1f
+	add	#-1,r0
+	mov.b	REG_C,@(r0,REG_DST)	/* fill last a byte */
+	mov	r0,REG_LEN
+1:
+
+	mova	1f,r0			/* 1f must be 4bytes aligned! */
+	sub	REG_LEN,r0
+	jmp	@r0
+	mov	REG_C,r0
+
+	.align	2
+	mov.w	r0,@(30,REG_DST)
+	mov.w	r0,@(28,REG_DST)
+	mov.w	r0,@(26,REG_DST)
+	mov.w	r0,@(24,REG_DST)
+	mov.w	r0,@(22,REG_DST)
+	mov.w	r0,@(20,REG_DST)
+	mov.w	r0,@(18,REG_DST)
+	mov.w	r0,@(16,REG_DST)
+	mov.w	r0,@(14,REG_DST)
+	mov.w	r0,@(12,REG_DST)
+	mov.w	r0,@(10,REG_DST)
+	mov.w	r0,@(8,REG_DST)
+	mov.w	r0,@(6,REG_DST)
+	mov.w	r0,@(4,REG_DST)
+	mov.w	r0,@(2,REG_DST)
+#ifdef BZERO
+	rts
+1:	mov.w	r0,@REG_DST
+#else
+	mov.w	r0,@REG_DST
+1:	rts
+	mov	REG_DST0,r0
+#endif
+
+
+
+	.align	2
+large:
+#ifdef BZERO
+	mov	#0,REG_C
+#else
+	extu.b	REG_C,REG_TMP1		/* REG_C = ??????xx, REG_TMP1 = ????00xx */
+	shll8	REG_C			/* REG_C = ????xx00, REG_TMP1 = ????00xx */
+	or	REG_C,REG_TMP1		/* REG_C = ????xx00, REG_TMP1 = ????xxxx */
+	swap.w	REG_TMP1,REG_C		/* REG_C = xxxx????, REG_TMP1 = ????xxxx */
+	xtrct	REG_TMP1,REG_C		/* REG_C = xxxxxxxx */
+#endif
+
+	mov	#3,REG_TMP1
+	tst	REG_TMP1,REG_DST
+	mov	REG_DST,REG_PTR
+	bf/s	unaligned_dst
+	add	REG_LEN,REG_PTR		/* REG_PTR = dst + len; */
+	tst	REG_TMP1,REG_LEN
+	bf/s	unaligned_len
+
+aligned:
+	/* fill 32*n bytes */
+	mov	#32,REG_TMP1
+	cmp/hi	REG_LEN,REG_TMP1
+	bt	9f
+	.align	2
+1:	sub	REG_TMP1,REG_PTR
+	mov.l	REG_C,@REG_PTR
+	sub	REG_TMP1,REG_LEN
+	mov.l	REG_C,@(4,REG_PTR)
+	cmp/hi	REG_LEN,REG_TMP1
+	mov.l	REG_C,@(8,REG_PTR)
+	mov.l	REG_C,@(12,REG_PTR)
+	mov.l	REG_C,@(16,REG_PTR)
+	mov.l	REG_C,@(20,REG_PTR)
+	mov.l	REG_C,@(24,REG_PTR)
+	bf/s	1b
+	mov.l	REG_C,@(28,REG_PTR)
+9:
+
+	/* fill left 4*n bytes */
+	cmp/eq	REG_DST,REG_PTR
+	bt	9f
+	add	#4,REG_DST
+	cmp/eq	REG_DST,REG_PTR
+1:	mov.l	REG_C,@-REG_PTR
+	bt/s	9f
+	cmp/eq	REG_DST,REG_PTR
+	mov.l	REG_C,@-REG_PTR
+	bt/s	9f
+	cmp/eq	REG_DST,REG_PTR
+	mov.l	REG_C,@-REG_PTR
+	bt/s	9f
+	cmp/eq	REG_DST,REG_PTR
+	mov.l	REG_C,@-REG_PTR
+	bf/s	1b
+	cmp/eq	REG_DST,REG_PTR
+9:
+#ifdef BZERO
+	rts
+	nop
+#else
+	rts
+	mov	REG_DST0,r0
+#endif
+
+
+unaligned_dst:
+	mov	#1,REG_TMP1
+	tst	REG_TMP1,REG_DST	/* if (dst & 1) {               */
+	add	#1,REG_TMP1
+	bt/s	2f
+	tst	REG_TMP1,REG_DST
+	mov.b	REG_C,@REG_DST		/*   *dst++ = c;                */
+	add	#1,REG_DST
+	tst	REG_TMP1,REG_DST
+2:					/* }                            */
+					/* if (dst & 2) {               */
+	bt	4f
+	mov.w	REG_C,@REG_DST		/*   *(u_int16_t*)dst++ = c;    */
+	add	#2,REG_DST
+4:					/* }                            */
+
+
+	tst	#3,REG_PTR		/* if (ptr & 3) {               */
+	bt/s	4f			/*                              */
+unaligned_len:
+	tst	#1,REG_PTR		/*   if (ptr & 1) {             */
+	bt/s	2f
+	tst	#2,REG_PTR
+	mov.b	REG_C,@-REG_PTR		/*     --ptr = c;               */
+2:					/*   }                          */
+					/*   if (ptr & 2) {             */
+	bt	4f
+	mov.w	REG_C,@-REG_PTR		/*     *--(u_int16_t*)ptr = c;  */
+4:					/*   }                          */
+					/* }                            */
+
+	mov	REG_PTR,REG_LEN
+	bra	aligned
+	sub	REG_DST,REG_LEN
+
diff --git a/libc/arch-sh/bionic/pipe.S b/libc/arch-sh/bionic/pipe.S
new file mode 100644
index 0000000..936da2d
--- /dev/null
+++ b/libc/arch-sh/bionic/pipe.S
@@ -0,0 +1,63 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *  * Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  * Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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
+ * COPYRIGHT OWNER OR 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.
+ */
+#include <sys/linux-syscalls.h>
+
+.text
+.type   pipe, @function
+.globl  pipe
+.align  4
+
+pipe:
+    /* invoke trap */
+    mov.l   0f, r3          /* trap num */
+    trapa   #(0 + 0x10)
+
+
+    /* check return value */
+    cmp/pz  r0
+    bt      setfds
+
+    /* keep error number */
+    sts.l   pr, @-r15
+    mov.l   1f, r1
+    jsr     @r1
+    mov     r0, r4
+    lds.l   @r15+, pr
+    bra     end
+    nop
+setfds:
+    mov.l   r0, @r4
+    add     #4, r4
+    mov.l   r1, @r4
+end:
+    rts
+    nop
+
+    .align  2
+0:  .long   __NR_pipe
+1:  .long   __set_syscall_errno
diff --git a/libc/arch-sh/bionic/setjmp.S b/libc/arch-sh/bionic/setjmp.S
new file mode 100644
index 0000000..67f3397
--- /dev/null
+++ b/libc/arch-sh/bionic/setjmp.S
@@ -0,0 +1,167 @@
+/*	$OpenBSD: setjmp.S,v 1.2 2007/03/02 06:11:54 miod Exp $	*/
+/*	$NetBSD: setjmp.S,v 1.10 2006/01/05 19:21:37 uwe Exp $	*/
+
+/*-
+ * Copyright (c) 1990 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * William Jolitz.
+ *
+ * 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. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND 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 REGENTS OR 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.
+ *
+ *	from: @(#)setjmp.s	5.1 (Berkeley) 4/23/90
+ */
+
+#include <machine/asm.h>
+#include <machine/setjmp.h>
+
+/*
+ * C library -- setjmp, longjmp
+ *
+ *	longjmp(a,v)
+ * will generate a "return(v)" from the last call to
+ *	setjmp(a)
+ * by restoring registers from the stack.
+ * The previous signal state is restored.
+ */
+
+ENTRY(setjmp)
+	PIC_PROLOGUE(.L_got_1)
+	sts.l	pr,	@-sp
+	mov.l	r4,	@-sp
+
+	mov.l	.L_sigprocmask_1, r0
+	mov	r4,	r6
+	mov	#1,	r4		/* how = SIG_BLOCK */
+	mov	#0,	r5		/* new = NULL */
+1:	CALL	r0
+	 add	#4,	r6		/* old = &sigmask */
+
+	mov.l	@sp+,	r4
+	lds.l	@sp+,	pr
+	PIC_EPILOGUE
+
+	/* identical to _setjmp except that the first word is non-zero */
+#if defined(__SH4__) && !defined(__SH4_NOFPU__)
+	add	#(_JBLEN * 4), r4
+	sts	fpscr,	r1
+	xor	r0,	r0
+	mov.l	r1,	@-r4
+	lds	r0,	fpscr
+	sts.l	fpul,	@-r4
+	fmov.s	fr15,	@-r4
+	fmov.s	fr14,	@-r4
+	fmov.s	fr13,	@-r4
+	fmov.s	fr12,	@-r4
+	frchg
+	fmov.s	fr15,	@-r4
+	fmov.s	fr14,	@-r4
+	fmov.s	fr13,	@-r4
+	fmov.s	fr12,	@-r4
+	lds	r1,	fpscr
+#else
+	add	#((_JBLEN - 10) * 4), r4
+#endif
+	sts.l	mach,	@-r4
+	sts.l	macl,	@-r4
+	mov.l	r15,	@-r4
+	mov.l	r14,	@-r4
+	mov.l	r13,	@-r4
+	mov.l	r12,	@-r4
+	mov.l	r11,	@-r4
+	mov.l	r10,	@-r4
+	mov.l	r9,	@-r4
+	mov.l	r8,	@-r4
+	sts.l	pr,	@-r4
+	add	#-4,	r4		/* skip signal mask */
+	mov	#1,	r0
+	mov.l	r0,	@-r4		/* has signal mask */
+	rts
+	 xor	r0,	r0
+
+	.align	2
+.L_got_1:		PIC_GOT_DATUM
+.L_sigprocmask_1:	CALL_DATUM(_C_LABEL(sigprocmask), 1b)
+	SET_ENTRY_SIZE(setjmp)
+
+ENTRY(longjmp)
+	/* we won't return here, so we don't need to save pr and r12 */
+	PIC_PROLOGUE_NOSAVE(.L_got_2)
+	mov.l	r5,	@-sp
+	mov.l	r4,	@-sp
+
+	mov.l	.L_sigprocmask_2, r0
+	mov	r4,	r5
+	mov	#3,	r4		/* how = SIG_SETMASK */
+	add	#4,	r5		/* new = &sigmask */
+1:	CALL	r0
+	 mov	#0,	r6		/* old = NULL */
+
+	mov.l	@sp+,	r4
+	mov.l	@sp+,	r5
+
+	/* identical to _longjmp */
+	add	#8,	r4
+	lds.l	@r4+,	pr
+	mov.l	@r4+,	r8
+	mov.l	@r4+,	r9
+	mov.l	@r4+,	r10
+	mov.l	@r4+,	r11
+	mov.l	@r4+,	r12
+	mov.l	@r4+,	r13
+	mov.l	@r4+,	r14
+	mov.l	@r4+,	r15
+	lds.l	@r4+,	macl
+	lds.l	@r4+,	mach
+#if defined(__SH4__) && !defined(__SH4_NOFPU__)
+	xor	r0, 	r0
+	lds	r0,	fpscr
+	frchg
+	fmov.s	@r4+,	fr12
+	fmov.s	@r4+,	fr13
+	fmov.s	@r4+,	fr14
+	fmov.s	@r4+,	fr15
+	frchg
+	fmov.s	@r4+,	fr12
+	fmov.s	@r4+,	fr13
+	fmov.s	@r4+,	fr14
+	fmov.s	@r4+,	fr15
+	lds.l	@r4+,	fpul
+	lds.l	@r4+,	fpscr
+#endif
+
+	mov	r5,	r0
+	tst	r0,	r0	/* make sure return value is non-zero */
+	bf	.L0
+	add	#1,	r0
+.L0:
+	rts
+	 nop
+
+	.align	2
+.L_got_2:		PIC_GOT_DATUM
+.L_sigprocmask_2:	CALL_DATUM(_C_LABEL(sigprocmask), 1b)
+	SET_ENTRY_SIZE(longjmp)
diff --git a/libc/arch-sh/bionic/sigsetjmp.S b/libc/arch-sh/bionic/sigsetjmp.S
new file mode 100644
index 0000000..f88913a
--- /dev/null
+++ b/libc/arch-sh/bionic/sigsetjmp.S
@@ -0,0 +1,166 @@
+/*	$OpenBSD: sigsetjmp.S,v 1.2 2007/03/02 06:11:54 miod Exp $	*/
+/*	$NetBSD: sigsetjmp.S,v 1.9 2006/01/05 19:21:37 uwe Exp $	*/
+
+/*-
+ * Copyright (c) 1990 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * William Jolitz.
+ *
+ * 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. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND 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 REGENTS OR 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.
+ *
+ *	from: @(#)setjmp.s	5.1 (Berkeley) 4/23/90
+ */
+
+#include <machine/asm.h>
+#include <machine/setjmp.h>
+
+ENTRY(sigsetjmp)
+	tst	r5,	r5		/* if (savemask == 0) */
+	bt	2f
+
+	/* identical to setjmp */
+	PIC_PROLOGUE(.L_got_1)
+	sts.l	pr,	@-sp
+	mov.l	r4,	@-sp
+	mov.l	r5,	@-sp
+
+	mov.l	.L_sigprocmask_1, r0
+	mov	r4,	r6
+	mov	#1,	r4		/* how = SIG_BLOCK */
+	mov	#0,	r5		/* new = NULL */
+1:	CALL	r0
+	 add	#4,	r6		/* old = &sigmask */
+
+	mov.l	@sp+,	r5
+	mov.l	@sp+,	r4
+	lds.l	@sp+,	pr
+	PIC_EPILOGUE
+
+2:	/* identical to _setjmp except that first word is in r5 */
+#if defined(__SH4__) && !defined(__SH4_NOFPU__)
+	add	#(_JBLEN * 4), r4
+	sts	fpscr,	r1
+	xor	r0,	r0
+	mov.l	r1,	@-r4
+	lds	r0,	fpscr
+	sts.l	fpul,	@-r4
+	fmov.s	fr15,	@-r4
+	fmov.s	fr14,	@-r4
+	fmov.s	fr13,	@-r4
+	fmov.s	fr12,	@-r4
+	frchg
+	fmov.s	fr15,	@-r4
+	fmov.s	fr14,	@-r4
+	fmov.s	fr13,	@-r4
+	fmov.s	fr12,	@-r4
+	lds	r1,	fpscr
+#else
+	add	#((_JBLEN - 10) * 4), r4
+#endif
+	sts.l	mach,	@-r4
+	sts.l	macl,	@-r4
+	mov.l	r15,	@-r4
+	mov.l	r14,	@-r4
+	mov.l	r13,	@-r4
+	mov.l	r12,	@-r4
+	mov.l	r11,	@-r4
+	mov.l	r10,	@-r4
+	mov.l	r9,	@-r4
+	mov.l	r8,	@-r4
+	sts.l	pr,	@-r4
+	add	#-4,	r4		/* skip signal mask */
+	mov.l	r5,	@-r4		/* has signal mask? */
+	rts
+	 xor	r0,	r0
+
+	.align	2
+.L_got_1:		PIC_GOT_DATUM
+.L_sigprocmask_1:	CALL_DATUM(_C_LABEL(sigprocmask), 1b)
+	SET_ENTRY_SIZE(sigsetjmp)
+
+ENTRY(siglongjmp)
+	mov.l	@r4+,	r0
+	tst	r0,	r0
+	bt	2f			/* if no mask */
+
+	/* identical to longjmp */
+	/* we won't return here, so we don't need to save pr and r12 */
+	PIC_PROLOGUE_NOSAVE(.L_got_2)
+	mov.l	r5,	@-sp
+	mov.l	r4,	@-sp
+
+	mov.l	.L_sigprocmask_2, r0
+	mov	r4,	r5		/* new = &sigmask */
+	mov	#3,	r4		/* how = SIG_SETMASK */
+1:	CALL	r0
+	 mov	#0,	r6		/* old = NULL */
+
+	mov.l	@sp+,	r4
+	mov.l	@sp+,	r5
+
+2:	/* identical to _longjmp */
+	add	#4,	r4
+	lds.l	@r4+,	pr
+	mov.l	@r4+,	r8
+	mov.l	@r4+,	r9
+	mov.l	@r4+,	r10
+	mov.l	@r4+,	r11
+	mov.l	@r4+,	r12
+	mov.l	@r4+,	r13
+	mov.l	@r4+,	r14
+	mov.l	@r4+,	r15
+	lds.l	@r4+,	macl
+	lds.l	@r4+,	mach
+#if defined(__SH4__) && !defined(__SH4_NOFPU__)
+	xor	r0, 	r0
+	lds	r0,	fpscr
+	frchg
+	fmov.s	@r4+,	fr12
+	fmov.s	@r4+,	fr13
+	fmov.s	@r4+,	fr14
+	fmov.s	@r4+,	fr15
+	frchg
+	fmov.s	@r4+,	fr12
+	fmov.s	@r4+,	fr13
+	fmov.s	@r4+,	fr14
+	fmov.s	@r4+,	fr15
+	lds.l	@r4+,	fpul
+	lds.l	@r4+,	fpscr
+#endif
+
+	mov	r5,	r0
+	tst	r0,	r0	/* make sure return value is non-zero */
+	bf	.L0
+	add	#1,	r0
+.L0:
+	rts
+	 nop
+
+	.align	2
+.L_got_2:		PIC_GOT_DATUM
+.L_sigprocmask_2:	CALL_DATUM(_C_LABEL(sigprocmask), 1b)
+	SET_ENTRY_SIZE(siglongjmp)
diff --git a/libc/arch-sh/bionic/syscall.S b/libc/arch-sh/bionic/syscall.S
new file mode 100644
index 0000000..7e9f307
--- /dev/null
+++ b/libc/arch-sh/bionic/syscall.S
@@ -0,0 +1,69 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *  * Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  * Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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
+ * COPYRIGHT OWNER OR 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.
+ */
+#include <sys/linux-syscalls.h>
+
+.text
+.type syscall, @function
+.globl syscall
+.align 4
+
+/*
+ * Current implementation assumes that the all syscall
+ * has maximum 7 arguments.
+ */
+syscall:
+    /* get args */
+    mov     r4, r3      /* system call number */
+    mov     r5, r4
+    mov     r6, r5
+    mov     r7, r6
+    mov.l   @r15, r7
+    mov.l   @(4, r15), r0
+    mov.l   @(8, r15), r1
+    mov.l   @(12, r15), r2
+
+    /* invoke trap */
+    trapa   #(7 + 0x10) /* assuming 7 arguments */
+
+    /* check return value */
+    cmp/pz  r0
+    bt      end
+
+    /* keep error number */
+    mov.l   r0, @-r15
+    mov.l   0f, r1
+    jsr     @r1
+    mov     r0, r4
+    mov.l   @r15+, r0
+
+end:
+    rts
+    nop
+
+    .align  2
+0:  .long   __set_errno
diff --git a/libc/arch-sh/bionic/unwind.c b/libc/arch-sh/bionic/unwind.c
new file mode 100644
index 0000000..33ec58c
--- /dev/null
+++ b/libc/arch-sh/bionic/unwind.c
@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *  * Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  * Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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
+ * COPYRIGHT OWNER OR 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.
+ */
+
+typedef long unsigned int *_Unwind_Ptr;
+