auto import from //depot/cupcake/@135843
diff --git a/libc/arch-arm/include/endian.h b/libc/arch-arm/include/endian.h
new file mode 100644
index 0000000..04204ed
--- /dev/null
+++ b/libc/arch-arm/include/endian.h
@@ -0,0 +1,10 @@
+/* $OpenBSD: endian.h,v 1.3 2005/12/13 00:35:23 millert Exp $ */
+
+#ifdef __ARMEB__
+#define _BYTE_ORDER _BIG_ENDIAN
+#else
+#define _BYTE_ORDER _LITTLE_ENDIAN
+#endif
+#define __STRICT_ALIGNMENT
+#include <sys/types.h>
+#include <sys/endian.h>
diff --git a/libc/arch-arm/include/machine/_types.h b/libc/arch-arm/include/machine/_types.h
new file mode 100644
index 0000000..6d10e12
--- /dev/null
+++ b/libc/arch-arm/include/machine/_types.h
@@ -0,0 +1,127 @@
+/* $OpenBSD: _types.h,v 1.3 2006/02/14 18:12:58 miod Exp $ */
+
+/*-
+ * Copyright (c) 1990, 1993
+ * The Regents of the University of California. 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. 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.
+ *
+ * @(#)types.h 8.3 (Berkeley) 1/5/94
+ * @(#)ansi.h 8.2 (Berkeley) 1/4/94
+ */
+
+#ifndef _ARM__TYPES_H_
+#define _ARM__TYPES_H_
+
+
+#if !defined(__ARM_EABI__)
+/* the kernel defines size_t as unsigned int, but g++ wants it to be unsigned long */
+#define _SIZE_T
+#define _SSIZE_T
+#define _PTRDIFF_T
+typedef unsigned long size_t;
+typedef long ssize_t;
+typedef long ptrdiff_t;
+#endif
+
+//#include <linux/types.h>
+
+/* 7.18.1.1 Exact-width integer types */
+typedef __signed char __int8_t;
+typedef unsigned char __uint8_t;
+typedef short __int16_t;
+typedef unsigned short __uint16_t;
+typedef int __int32_t;
+typedef unsigned int __uint32_t;
+/* LONGLONG */
+typedef long long __int64_t;
+/* LONGLONG */
+typedef unsigned long long __uint64_t;
+
+/* 7.18.1.2 Minimum-width integer types */
+typedef __int8_t __int_least8_t;
+typedef __uint8_t __uint_least8_t;
+typedef __int16_t __int_least16_t;
+typedef __uint16_t __uint_least16_t;
+typedef __int32_t __int_least32_t;
+typedef __uint32_t __uint_least32_t;
+typedef __int64_t __int_least64_t;
+typedef __uint64_t __uint_least64_t;
+
+/* 7.18.1.3 Fastest minimum-width integer types */
+typedef __int32_t __int_fast8_t;
+typedef __uint32_t __uint_fast8_t;
+typedef __int32_t __int_fast16_t;
+typedef __uint32_t __uint_fast16_t;
+typedef __int32_t __int_fast32_t;
+typedef __uint32_t __uint_fast32_t;
+typedef __int64_t __int_fast64_t;
+typedef __uint64_t __uint_fast64_t;
+
+/* 7.18.1.4 Integer types capable of holding object pointers */
+typedef int __intptr_t;
+typedef unsigned int __uintptr_t;
+
+/* 7.18.1.5 Greatest-width integer types */
+typedef __int64_t __intmax_t;
+typedef __uint64_t __uintmax_t;
+
+/* Register size */
+typedef __int32_t __register_t;
+
+/* VM system types */
+typedef unsigned long __vaddr_t;
+typedef unsigned long __paddr_t;
+typedef unsigned long __vsize_t;
+typedef unsigned long __psize_t;
+
+/* Standard system types */
+typedef int __clock_t;
+typedef int __clockid_t;
+typedef long __ptrdiff_t;
+typedef int __time_t;
+typedef int __timer_t;
+#if defined(__GNUC__) && __GNUC__ >= 3
+typedef __builtin_va_list __va_list;
+#else
+typedef char * __va_list;
+#endif
+
+/* Wide character support types */
+#ifndef __cplusplus
+typedef int __wchar_t;
+#endif
+typedef int __wint_t;
+typedef int __rune_t;
+typedef void * __wctrans_t;
+typedef void * __wctype_t;
+
+#ifdef __ARMEB__
+#define _BYTE_ORDER _BIG_ENDIAN
+#else
+#define _BYTE_ORDER _LITTLE_ENDIAN
+#endif
+
+#endif /* _ARM__TYPES_H_ */
diff --git a/libc/arch-arm/include/machine/asm.h b/libc/arch-arm/include/machine/asm.h
new file mode 100644
index 0000000..c7bd017
--- /dev/null
+++ b/libc/arch-arm/include/machine/asm.h
@@ -0,0 +1,130 @@
+/* $OpenBSD: asm.h,v 1.1 2004/02/01 05:09:49 drahn Exp $ */
+/* $NetBSD: asm.h,v 1.4 2001/07/16 05:43:32 matt 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: @(#)asm.h 5.5 (Berkeley) 5/7/91
+ */
+
+#ifndef _ARM32_ASM_H_
+#define _ARM32_ASM_H_
+
+#ifdef __ELF__
+# define _C_LABEL(x) x
+#else
+# ifdef __STDC__
+# define _C_LABEL(x) _ ## x
+# else
+# define _C_LABEL(x) _/**/x
+# endif
+#endif
+#define _ASM_LABEL(x) x
+
+#ifdef __STDC__
+# define __CONCAT(x,y) x ## y
+# define __STRING(x) #x
+#else
+# define __CONCAT(x,y) x/**/y
+# define __STRING(x) "x"
+#endif
+
+#ifndef _ALIGN_TEXT
+# define _ALIGN_TEXT .align 0
+#endif
+
+/*
+ * gas/arm uses @ as a single comment character and thus cannot be used here
+ * Instead it recognised the # instead of an @ symbols in .type directives
+ * We define a couple of macros so that assembly code will not be dependant
+ * on one or the other.
+ */
+#define _ASM_TYPE_FUNCTION #function
+#define _ASM_TYPE_OBJECT #object
+#define _ENTRY(x) \
+ .text; _ALIGN_TEXT; .globl x; .type x,_ASM_TYPE_FUNCTION; x:
+
+#ifdef GPROF
+# ifdef __ELF__
+# define _PROF_PROLOGUE \
+ mov ip, lr; bl __mcount
+# else
+# define _PROF_PROLOGUE \
+ mov ip,lr; bl mcount
+# endif
+#else
+# define _PROF_PROLOGUE
+#endif
+
+#define ENTRY(y) _ENTRY(_C_LABEL(y)); _PROF_PROLOGUE
+#define ENTRY_NP(y) _ENTRY(_C_LABEL(y))
+#define ASENTRY(y) _ENTRY(_ASM_LABEL(y)); _PROF_PROLOGUE
+#define ASENTRY_NP(y) _ENTRY(_ASM_LABEL(y))
+
+#define ASMSTR .asciz
+
+#if defined(__ELF__) && defined(PIC)
+#ifdef __STDC__
+#define PIC_SYM(x,y) x ## ( ## y ## )
+#else
+#define PIC_SYM(x,y) x/**/(/**/y/**/)
+#endif
+#else
+#define PIC_SYM(x,y) x
+#endif
+
+#ifdef __ELF__
+#define RCSID(x) .section ".ident"; .asciz x
+#else
+#define RCSID(x) .text; .asciz x
+#endif
+
+#ifdef __ELF__
+#define WEAK_ALIAS(alias,sym) \
+ .weak alias; \
+ alias = sym
+#endif
+
+#ifdef __STDC__
+#define WARN_REFERENCES(sym,msg) \
+ .stabs msg ## ,30,0,0,0 ; \
+ .stabs __STRING(_C_LABEL(sym)) ## ,1,0,0,0
+#elif defined(__ELF__)
+#define WARN_REFERENCES(sym,msg) \
+ .stabs msg,30,0,0,0 ; \
+ .stabs __STRING(sym),1,0,0,0
+#else
+#define WARN_REFERENCES(sym,msg) \
+ .stabs msg,30,0,0,0 ; \
+ .stabs __STRING(_/**/sym),1,0,0,0
+#endif /* __STDC__ */
+
+#endif /* !_ARM_ASM_H_ */
diff --git a/libc/arch-arm/include/machine/cdefs.h b/libc/arch-arm/include/machine/cdefs.h
new file mode 100644
index 0000000..44f1542
--- /dev/null
+++ b/libc/arch-arm/include/machine/cdefs.h
@@ -0,0 +1,19 @@
+/* $OpenBSD: cdefs.h,v 1.2 2005/11/24 20:46:44 deraadt Exp $ */
+
+#ifndef _MACHINE_CDEFS_H_
+#define _MACHINE_CDEFS_H_
+
+#if defined(lint)
+#define __indr_reference(sym,alias) __lint_equal__(sym,alias)
+#define __warn_references(sym,msg)
+#define __weak_alias(alias,sym) __lint_equal__(sym,alias)
+#elif defined(__GNUC__) && defined(__STDC__)
+#define __weak_alias(alias,sym) \
+ __asm__(".weak " __STRING(alias) " ; " __STRING(alias) \
+ " = " __STRING(sym));
+#define __warn_references(sym,msg) \
+ __asm__(".section .gnu.warning." __STRING(sym) \
+ " ; .ascii \"" msg "\" ; .text");
+#endif
+
+#endif /* !_MACHINE_CDEFS_H_ */
diff --git a/libc/arch-arm/include/machine/cpu-features.h b/libc/arch-arm/include/machine/cpu-features.h
new file mode 100644
index 0000000..f836006
--- /dev/null
+++ b/libc/arch-arm/include/machine/cpu-features.h
@@ -0,0 +1,164 @@
+/*
+ * Copyright (C) 2008 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.
+ */
+#ifndef _ARM_MACHINE_CPU_FEATURES_H
+#define _ARM_MACHINE_CPU_FEATURES_H
+
+/* The purpose of this file is to define several macros corresponding
+ * to CPU features that may or may not be available at build time on
+ * on the target CPU.
+ *
+ * This is done to abstract us from the various ARM Architecture
+ * quirks and alphabet soup.
+ *
+ * IMPORTANT: We have no intention to support anything below an ARMv4T !
+ */
+
+/* _ARM_ARCH_REVISION is a number corresponding to the ARM revision
+ * we're going to support
+ *
+ * it looks like our toolchain doesn't define __ARM_ARCH__
+ * so try to guess it.
+ *
+ *
+ *
+ */
+#ifndef __ARM_ARCH__
+
+# if defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ || \
+ defined __ARM_ARCH_7R__ || defined __ARM_ARCH_7M__
+
+# define __ARM_ARCH__ 7
+
+# elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ || \
+ defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6Z__ || \
+ defined __ARM_ARCH_6KZ__ || defined __ARM_ARCH_6T2__
+#
+# define __ARM_ARCH__ 6
+#
+# elif defined __ARM_ARCH_5__ || defined __ARM_ARCH_5T__ || \
+ defined __ARM_ARCH_5TE__ || defined __ARM_ARCH_5TEJ__
+#
+# define __ARM_ARCH__ 5
+#
+# elif defined __ARM_ARCH_4T__
+#
+# define __ARM_ARCH__ 4
+#
+# elif defined __ARM_ARCH_4__
+# error ARMv4 is not supported, please use ARMv4T at a minimum
+# else
+# error Unknown or unsupported ARM architecture
+# endif
+#endif
+
+/* experimental feature used to check that our ARMv4 workarounds
+ * work correctly without a real ARMv4 machine */
+#ifdef BIONIC_EXPERIMENTAL_FORCE_ARMV4
+# undef __ARM_ARCH__
+# define __ARM_ARCH__ 4
+#endif
+
+/* define __ARM_HAVE_5TE if we have the ARMv5TE instructions */
+#if __ARM_ARCH__ > 5
+# define __ARM_HAVE_5TE 1
+#elif __ARM_ARCH__ == 5
+# if defined __ARM_ARCH_5TE__ || defined __ARM_ARCH_5TEJ__
+# define __ARM_HAVE_5TE 1
+# endif
+#endif
+
+/* instructions introduced in ARMv5 */
+#if __ARM_ARCH__ >= 5
+# define __ARM_HAVE_BLX 1
+# define __ARM_HAVE_CLZ 1
+# define __ARM_HAVE_LDC2 1
+# define __ARM_HAVE_MCR2 1
+# define __ARM_HAVE_MRC2 1
+# define __ARM_HAVE_STC2 1
+#endif
+
+/* ARMv5TE introduces a few instructions */
+#if __ARM_HAVE_5TE
+# define __ARM_HAVE_PLD 1
+# define __ARM_HAVE_MCRR 1
+# define __ARM_HAVE_MRRC 1
+#endif
+
+/* define __ARM_HAVE_HALFWORD_MULTIPLY when half-word multiply instructions
+ * this means variants of: smul, smulw, smla, smlaw, smlal
+ */
+#if __ARM_HAVE_5TE
+# define __ARM_HAVE_HALFWORD_MULTIPLY 1
+#endif
+
+/* define __ARM_HAVE_PAIR_LOAD_STORE when 64-bit memory loads and stored
+ * into/from a pair of 32-bit registers is supported throuhg 'ldrd' and 'strd'
+ */
+#if __ARM_HAVE_5TE
+# define __ARM_HAVE_PAIR_LOAD_STORE 1
+#endif
+
+/* define __ARM_HAVE_SATURATED_ARITHMETIC is you have the saturated integer
+ * arithmetic instructions: qdd, qdadd, qsub, qdsub
+ */
+#if __ARM_HAVE_5TE
+# define __ARM_HAVE_SATURATED_ARITHMETIC 1
+#endif
+
+/* define __ARM_HAVE_PC_INTERWORK when a direct assignment to the
+ * pc register will switch into thumb/ARM mode depending on bit 0
+ * of the new instruction address. Before ARMv5, this was not the
+ * case, and you have to write:
+ *
+ * mov r0, [<some address>]
+ * bx r0
+ *
+ * instead of:
+ *
+ * ldr pc, [<some address>]
+ *
+ * note that this affects any instruction that explicitely changes the
+ * value of the pc register, including ldm { ...,pc } or 'add pc, #offset'
+ */
+#if __ARM_ARCH__ >= 5
+# define __ARM_HAVE_PC_INTERWORK
+#endif
+
+
+/* Assembly-only macros */
+
+/* define a handy PLD(address) macro since the cache preload
+ * is an optional opcode
+ */
+#if __ARM_HAVE_PLD
+# define PLD(reg,offset) pld [reg, offset]
+#else
+# define PLD(reg,offset) /* nothing */
+#endif
+
+#endif /* _ARM_MACHINE_CPU_FEATURES_H */
diff --git a/libc/arch-arm/include/machine/exec.h b/libc/arch-arm/include/machine/exec.h
new file mode 100644
index 0000000..227b207
--- /dev/null
+++ b/libc/arch-arm/include/machine/exec.h
@@ -0,0 +1,50 @@
+/* $OpenBSD: exec.h,v 1.9 2003/04/17 03:42:14 drahn Exp $ */
+/* $NetBSD: exec.h,v 1.6 1994/10/27 04:16:05 cgd Exp $ */
+
+/*
+ * Copyright (c) 1993 Christopher G. Demetriou
+ * 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.
+ */
+
+#ifndef _ARM_EXEC_H_
+#define _ARM_EXEC_H_
+
+#define __LDPGSZ 4096
+
+#define NATIVE_EXEC_ELF
+
+#define ARCH_ELFSIZE 32
+
+#define ELF_TARG_CLASS ELFCLASS32
+#define ELF_TARG_DATA ELFDATA2LSB
+#define ELF_TARG_MACH EM_ARM
+
+#define _NLIST_DO_AOUT
+#define _NLIST_DO_ELF
+
+#define _KERN_DO_AOUT
+#define _KERN_DO_ELF
+
+#endif /* _ARM_EXEC_H_ */
diff --git a/libc/arch-arm/include/machine/ieee.h b/libc/arch-arm/include/machine/ieee.h
new file mode 100644
index 0000000..5f9b89e
--- /dev/null
+++ b/libc/arch-arm/include/machine/ieee.h
@@ -0,0 +1,191 @@
+/* $OpenBSD: ieee.h,v 1.1 2004/02/01 05:09:49 drahn Exp $ */
+/* $NetBSD: ieee.h,v 1.2 2001/02/21 17:43:50 bjh21 Exp $ */
+
+/*
+ * Copyright (c) 1992, 1993
+ * The Regents of the University of California. All rights reserved.
+ *
+ * This software was developed by the Computer Systems Engineering group
+ * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
+ * contributed to Berkeley.
+ *
+ * All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the University of
+ * California, Lawrence Berkeley Laboratory.
+ *
+ * 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 University of
+ * California, Berkeley and its contributors.
+ * 4. 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.
+ *
+ * @(#)ieee.h 8.1 (Berkeley) 6/11/93
+ */
+
+/*
+ * ieee.h defines the machine-dependent layout of the machine's IEEE
+ * floating point.
+ */
+
+/*
+ * Define the number of bits in each fraction and exponent.
+ *
+ * k k+1
+ * Note that 1.0 x 2 == 0.1 x 2 and that denorms are represented
+ *
+ * (-exp_bias+1)
+ * as fractions that look like 0.fffff x 2 . This means that
+ *
+ * -126
+ * the number 0.10000 x 2 , for instance, is the same as the normalized
+ *
+ * -127 -128
+ * float 1.0 x 2 . Thus, to represent 2 , we need one leading zero
+ *
+ * -129
+ * in the fraction; to represent 2 , we need two, and so on. This
+ *
+ * (-exp_bias-fracbits+1)
+ * implies that the smallest denormalized number is 2
+ *
+ * for whichever format we are talking about: for single precision, for
+ *
+ * -126 -149
+ * instance, we get .00000000000000000000001 x 2 , or 1.0 x 2 , and
+ *
+ * -149 == -127 - 23 + 1.
+ */
+
+/*
+ * The ARM has two sets of FP data formats. The FPA supports 32-bit, 64-bit
+ * and 96-bit IEEE formats, with the words in big-endian order. VFP supports
+ * 32-bin and 64-bit IEEE formats with the words in the CPU's native byte
+ * order.
+ *
+ * The FPA also has two packed decimal formats, but we ignore them here.
+ */
+
+#define SNG_EXPBITS 8
+#define SNG_FRACBITS 23
+
+#define DBL_EXPBITS 11
+#define DBL_FRACBITS 52
+
+#ifndef __VFP_FP__
+#define E80_EXPBITS 15
+#define E80_FRACBITS 64
+
+#define EXT_EXPBITS 15
+#define EXT_FRACBITS 112
+#endif
+
+struct ieee_single {
+ u_int sng_frac:23;
+ u_int sng_exponent:8;
+ u_int sng_sign:1;
+};
+
+#ifdef __VFP_FP__
+struct ieee_double {
+#ifdef __ARMEB__
+ u_int dbl_sign:1;
+ u_int dbl_exp:11;
+ u_int dbl_frach:20;
+ u_int dbl_fracl;
+#else /* !__ARMEB__ */
+ u_int dbl_fracl;
+ u_int dbl_frach:20;
+ u_int dbl_exp:11;
+ u_int dbl_sign:1;
+#endif /* !__ARMEB__ */
+};
+#else /* !__VFP_FP__ */
+struct ieee_double {
+ u_int dbl_frach:20;
+ u_int dbl_exp:11;
+ u_int dbl_sign:1;
+ u_int dbl_fracl;
+};
+
+union ieee_double_u {
+ double dblu_d;
+ struct ieee_double dblu_dbl;
+};
+
+
+struct ieee_e80 {
+ u_int e80_exp:15;
+ u_int e80_zero:16;
+ u_int e80_sign:1;
+ u_int e80_frach:31;
+ u_int e80_j:1;
+ u_int e80_fracl;
+};
+
+struct ieee_ext {
+ u_int ext_frach:16;
+ u_int ext_exp:15;
+ u_int ext_sign:1;
+ u_int ext_frachm;
+ u_int ext_fraclm;
+ u_int ext_fracl;
+};
+#endif /* !__VFP_FP__ */
+
+/*
+ * Floats whose exponent is in [1..INFNAN) (of whatever type) are
+ * `normal'. Floats whose exponent is INFNAN are either Inf or NaN.
+ * Floats whose exponent is zero are either zero (iff all fraction
+ * bits are zero) or subnormal values.
+ *
+ * A NaN is a `signalling NaN' if its QUIETNAN bit is clear in its
+ * high fraction; if the bit is set, it is a `quiet NaN'.
+ */
+#define SNG_EXP_INFNAN 255
+#define DBL_EXP_INFNAN 2047
+#ifndef __VFP_FP__
+#define E80_EXP_INFNAN 32767
+#define EXT_EXP_INFNAN 32767
+#endif /* !__VFP_FP__ */
+
+#if 0
+#define SNG_QUIETNAN (1 << 22)
+#define DBL_QUIETNAN (1 << 19)
+#ifndef __VFP_FP__
+#define E80_QUIETNAN (1 << 15)
+#define EXT_QUIETNAN (1 << 15)
+#endif /* !__VFP_FP__ */
+#endif
+
+/*
+ * Exponent biases.
+ */
+#define SNG_EXP_BIAS 127
+#define DBL_EXP_BIAS 1023
+#ifndef __VFP_FP__
+#define E80_EXP_BIAS 16383
+#define EXT_EXP_BIAS 16383
+#endif /* !__VFP_FP__ */
diff --git a/libc/arch-arm/include/machine/internal_types.h b/libc/arch-arm/include/machine/internal_types.h
new file mode 100644
index 0000000..7e610b0
--- /dev/null
+++ b/libc/arch-arm/include/machine/internal_types.h
@@ -0,0 +1,10 @@
+/* $OpenBSD: internal_types.h,v 1.2 2004/05/06 15:53:39 drahn Exp $ */
+/* Public domain */
+#ifndef _ARM_INTERNAL_TYPES_H_
+#define _ARM_INTERNAL_TYPES_H_
+
+#ifdef __CHAR_UNSIGNED__
+#define __machine_has_unsigned_chars
+#endif
+
+#endif
diff --git a/libc/arch-arm/include/machine/kernel.h b/libc/arch-arm/include/machine/kernel.h
new file mode 100644
index 0000000..462b8e3
--- /dev/null
+++ b/libc/arch-arm/include/machine/kernel.h
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2008 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.
+ */
+#ifndef _ARCH_ARM_KERNEL_H
+#define _ARCH_ARM_KERNEL_H
+
+/* this file contains kernel-specific definitions that were optimized out of
+ our processed kernel headers, but still useful nonetheless... */
+
+typedef unsigned long __kernel_blkcnt_t;
+typedef unsigned long __kernel_blksize_t;
+
+/* these aren't really defined by the kernel headers though... */
+typedef unsigned long __kernel_fsblkcnt_t;
+typedef unsigned long __kernel_fsfilcnt_t;
+typedef unsigned int __kernel_id_t;
+
+#endif /* _ARCH_ARM_KERNEL_H */
diff --git a/libc/arch-arm/include/machine/limits.h b/libc/arch-arm/include/machine/limits.h
new file mode 100644
index 0000000..f9c04fa
--- /dev/null
+++ b/libc/arch-arm/include/machine/limits.h
@@ -0,0 +1,63 @@
+/* $OpenBSD: limits.h,v 1.3 2006/01/06 22:48:46 millert Exp $ */
+/* $NetBSD: limits.h,v 1.4 2003/04/28 23:16:18 bjh21 Exp $ */
+
+/*
+ * Copyright (c) 1988 The Regents of the University of California.
+ * 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. 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: @(#)limits.h 7.2 (Berkeley) 6/28/90
+ */
+
+#ifndef _ARM32_LIMITS_H_
+#define _ARM32_LIMITS_H_
+
+#include <sys/cdefs.h>
+
+#define MB_LEN_MAX 1 /* no multibyte characters */
+
+#ifndef SIZE_MAX
+#define SIZE_MAX UINT_MAX /* max value for a size_t */
+#endif
+#ifndef SSIZE_MAX
+#define SSIZE_MAX INT_MAX /* max value for a ssize_t */
+#endif
+
+#if __BSD_VISIBLE
+#define SIZE_T_MAX UINT_MAX /* max value for a size_t (historic) */
+
+#define UQUAD_MAX 0xffffffffffffffffULL /* max unsigned quad */
+#define QUAD_MAX 0x7fffffffffffffffLL /* max signed quad */
+#define QUAD_MIN (-0x7fffffffffffffffLL-1) /* min signed quad */
+
+#endif /* __BSD_VISIBLE */
+
+#define LONGLONG_BIT 64
+#define LONGLONG_MIN (-9223372036854775807LL-1)
+#define LONGLONG_MAX 9223372036854775807LL
+#define ULONGLONG_MAX 18446744073709551615ULL
+
+#endif /* _ARM32_LIMITS_H_ */
diff --git a/libc/arch-arm/include/machine/setjmp.h b/libc/arch-arm/include/machine/setjmp.h
new file mode 100644
index 0000000..f20cab2
--- /dev/null
+++ b/libc/arch-arm/include/machine/setjmp.h
@@ -0,0 +1,87 @@
+/* $OpenBSD: setjmp.h,v 1.1 2004/02/01 05:09:49 drahn Exp $ */
+/* $NetBSD: setjmp.h,v 1.2 2001/08/25 14:45:59 bjh21 Exp $ */
+
+/*
+ * machine/setjmp.h: machine dependent setjmp-related information.
+ */
+
+#ifdef __ELF__
+#define _JBLEN 64 /* size, in longs, of a jmp_buf */
+#else
+#define _JBLEN 29 /* size, in longs, of a jmp_buf */
+#endif
+
+/*
+ * NOTE: The internal structure of a jmp_buf is *PRIVATE*
+ * This information is provided as there is software
+ * that fiddles with this with obtain the stack pointer
+ * (yes really ! and its commercial !).
+ *
+ * Description of the setjmp buffer
+ *
+ * word 0 magic number (dependant on creator)
+ * 1 - 3 f4 fp register 4
+ * 4 - 6 f5 fp register 5
+ * 7 - 9 f6 fp register 6
+ * 10 - 12 f7 fp register 7
+ * 13 fpsr fp status register
+ * 14 r4 register 4
+ * 15 r5 register 5
+ * 16 r6 register 6
+ * 17 r7 register 7
+ * 18 r8 register 8
+ * 19 r9 register 9
+ * 20 r10 register 10 (sl)
+ * 21 r11 register 11 (fp)
+ * 22 r12 register 12 (ip)
+ * 23 r13 register 13 (sp)
+ * 24 r14 register 14 (lr)
+ * 25 signal mask (dependant on magic)
+ * 26 (con't)
+ * 27 (con't)
+ * 28 (con't)
+ *
+ * The magic number number identifies the jmp_buf and
+ * how the buffer was created as well as providing
+ * a sanity check
+ *
+ * A side note I should mention - Please do not tamper
+ * with the floating point fields. While they are
+ * always saved and restored at the moment this cannot
+ * be garenteed especially if the compiler happens
+ * to be generating soft-float code so no fp
+ * registers will be used.
+ *
+ * Whilst this can be seen an encouraging people to
+ * use the setjmp buffer in this way I think that it
+ * is for the best then if changes occur compiles will
+ * break rather than just having new builds falling over
+ * mysteriously.
+ */
+
+#define _JB_MAGIC__SETJMP 0x4278f500
+#define _JB_MAGIC_SETJMP 0x4278f501
+
+/* Valid for all jmp_buf's */
+
+#define _JB_MAGIC 0
+#define _JB_REG_F4 1
+#define _JB_REG_F5 4
+#define _JB_REG_F6 7
+#define _JB_REG_F7 10
+#define _JB_REG_FPSR 13
+#define _JB_REG_R4 14
+#define _JB_REG_R5 15
+#define _JB_REG_R6 16
+#define _JB_REG_R7 17
+#define _JB_REG_R8 18
+#define _JB_REG_R9 19
+#define _JB_REG_R10 20
+#define _JB_REG_R11 21
+#define _JB_REG_R12 22
+#define _JB_REG_R13 23
+#define _JB_REG_R14 24
+
+/* Only valid with the _JB_MAGIC_SETJMP magic */
+
+#define _JB_SIGMASK 25