Check-in of powerpc library support.

NOTE: This will not work until the other pieces are checked in.
    This is primarily the NetBSD powerpc port, with modifications
	to support ELF.

28 files changed, 1046 insertions, 0 deletions

diff --git a/lib/libc/arch/powerpc/Makefile.inc b/lib/libc/arch/powerpc/Makefile.inc
new file mode 100644
index 00000000000..4634c4cf12f
--- /dev/null
+++ b/lib/libc/arch/powerpc/Makefile.inc
@@ -0,0 +1,4 @@
+#	$Id: Makefile.inc,v 1.1 1996/12/21 20:42:21 rahnds Exp $
+
+KMINCLUDES= arch/ppc/SYS.h
+KMSRCS=
diff --git a/lib/libc/arch/powerpc/SYS.h b/lib/libc/arch/powerpc/SYS.h
new file mode 100644
index 00000000000..39a86e5f57a
--- /dev/null
+++ b/lib/libc/arch/powerpc/SYS.h
@@ -0,0 +1,72 @@
+/*-
+ * Copyright (c) 1994
+ *	Andrew Cagney.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Ralph Campbell.
+ *
+ * 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.
+ *
+ *	from: @(#)SYS.h	8.1 (Berkeley) 6/4/93
+ *      $Id: SYS.h,v 1.1 1996/12/21 20:42:21 rahnds Exp $ 
+ */
+
+#include <sys/syscall.h>
+
+/* r0 will be a non zero errno if there was an error, while r3/r4 will
+   contain the return value */
+
+#include "machine/asm.h"
+
+#ifdef __STDC__
+#define PSEUDO_PREFIX(x,y)	.globl _C_LABEL(x) ; \
+				.align 2; \
+				.extern cerror ; \
+			_C_LABEL(x):	li 0, SYS_##y ; \
+				/* sc */
+#else /* !__STDC__ */
+#define PSEUDO_PREFIX(x,y)	.globl _C_LABEL(x) ; \
+				.align 2; \
+				.extern cerror ; \
+			_C_LABEL(x):	li 0, SYS_/**/y ; \
+				/* sc */
+#endif /* !__STDC__ */
+#define PSEUDO_SUFFIX		cmpwi 0, 0 ; \
+				beqlr+ ; \
+				b cerror
+
+#define PREFIX(x)		PSEUDO_PREFIX(x,x)
+
+#define SUFFIX			PSEUDO_SUFFIX
+
+#define	PSEUDO(x,y)		PSEUDO_PREFIX(x,y) ; \
+				sc ; \
+				PSEUDO_SUFFIX
+
+#define RSYSCALL(x)		PSEUDO(x,x)
diff --git a/lib/libc/arch/powerpc/gen/Makefile.inc b/lib/libc/arch/powerpc/gen/Makefile.inc
new file mode 100644
index 00000000000..d466810d196
--- /dev/null
+++ b/lib/libc/arch/powerpc/gen/Makefile.inc
@@ -0,0 +1 @@
+SRCS+= isinf.c infinity.c setjmp.S sigsetjmp.S flt_rounds.c modf.c ldexp.c fabs.c
diff --git a/lib/libc/arch/powerpc/gen/fabs.c b/lib/libc/arch/powerpc/gen/fabs.c
new file mode 100644
index 00000000000..e9e8510399d
--- /dev/null
+++ b/lib/libc/arch/powerpc/gen/fabs.c
@@ -0,0 +1,9 @@
+double
+fabs(double val)
+{
+	if (val > 0) {
+		return val;
+	} else {
+		return -val;
+	}
+}
diff --git a/lib/libc/arch/powerpc/gen/flt_rounds.c b/lib/libc/arch/powerpc/gen/flt_rounds.c
new file mode 100644
index 00000000000..30158a53eba
--- /dev/null
+++ b/lib/libc/arch/powerpc/gen/flt_rounds.c
@@ -0,0 +1,18 @@
+/*	$NetBSD$	*/
+
+static const int map[] = {
+	1,	/* round to nearest */
+	0,	/* round to zero */
+	2,	/* round to positive infinity */
+	3	/* round to negative infinity */
+};
+
+int
+__flt_rounds()
+{
+	double tmp;
+	int x;
+
+	asm("mffs %0; stfiwx %0,0,%1" : "=f"(tmp): "b"(&x));
+	return map[x & 0x03];
+}
diff --git a/lib/libc/arch/powerpc/gen/infinity.c b/lib/libc/arch/powerpc/gen/infinity.c
new file mode 100644
index 00000000000..b9b6e460423
--- /dev/null
+++ b/lib/libc/arch/powerpc/gen/infinity.c
@@ -0,0 +1,10 @@
+#ifndef lint
+static char rcsid[] = "$Id: infinity.c,v 1.1 1996/12/21 20:42:22 rahnds Exp $";
+#endif /* not lint */
+
+/* infinity.c */
+
+#include <math.h>
+
+/* bytes for +Infinity on a 387 */
+char __infinity[] = { 0, 0, 0, 0, 0, 0, 0xf0, 0x7f };
diff --git a/lib/libc/arch/powerpc/gen/isinf.c b/lib/libc/arch/powerpc/gen/isinf.c
new file mode 100644
index 00000000000..348ef576d46
--- /dev/null
+++ b/lib/libc/arch/powerpc/gen/isinf.c
@@ -0,0 +1,65 @@
+/*-
+ * Copyright (c) 1991 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. 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.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+/*static char sccsid[] = "from: @(#)isinf.c	5.1 (Berkeley) 3/18/91";*/
+static char rcsid[] = "$Id: isinf.c,v 1.1 1996/12/21 20:42:22 rahnds Exp $";
+#endif /* LIBC_SCCS and not lint */
+
+#include <sys/types.h>
+
+isnan(d)
+	double d;
+{
+	register struct IEEEdp {
+		u_int manl : 32;
+		u_int manh : 20;
+		u_int  exp : 11;
+		u_int sign :  1;
+	} *p = (struct IEEEdp *)&d;
+
+	return(p->exp == 2047 && (p->manh || p->manl));
+}
+
+isinf(d)
+	double d;
+{
+	register struct IEEEdp {
+		u_int manl : 32;
+		u_int manh : 20;
+		u_int  exp : 11;
+		u_int sign :  1;
+	} *p = (struct IEEEdp *)&d;
+
+	return(p->exp == 2047 && !p->manh && !p->manl);
+}
diff --git a/lib/libc/arch/powerpc/gen/ldexp.c b/lib/libc/arch/powerpc/gen/ldexp.c
new file mode 100644
index 00000000000..5a8f7985d42
--- /dev/null
+++ b/lib/libc/arch/powerpc/gen/ldexp.c
@@ -0,0 +1,148 @@
+/*
+ * 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.
+ *
+ * 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.
+ *
+ * from: Header: ldexp.c,v 1.1 91/07/07 04:28:19 torek Exp
+ * $Id: ldexp.c,v 1.1 1996/12/21 20:42:22 rahnds Exp $
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static const char sccsid[] = "@(#)ldexp.c	8.1 (Berkeley) 6/4/93";
+#endif /* LIBC_SCCS and not lint */
+
+#include <sys/types.h>
+#include <machine/ieee.h>
+#include <errno.h>
+
+/*
+ * double ldexp(double val, int exp)
+ * returns: val * (2**exp)
+ */
+double
+ldexp(val, exp)
+	double val;
+	int exp;
+{
+	register int oldexp, newexp, mulexp;
+	union doub {
+		double v;
+		struct ieee_double s;
+	} u, mul;
+
+	/*
+	 * If input is zero, or no change, just return input.
+	 * Likewise, if input is Inf or NaN, just return it.
+	 */
+	u.v = val;
+	oldexp = u.s.dbl_exp;
+	if (val == 0 || exp == 0 || oldexp == DBL_EXP_INFNAN)
+		return (val);
+
+	/*
+	 * Compute new exponent and check for over/under flow.
+	 * Underflow, unfortunately, could mean switching to denormal.
+	 * If result out of range, set ERANGE and return 0 if too small
+	 * or Inf if too big, with the same sign as the input value.
+	 */
+	newexp = oldexp + exp;
+	if (newexp >= DBL_EXP_INFNAN) {
+		/* u.s.dbl_sign = val < 0; -- already set */
+		u.s.dbl_exp = DBL_EXP_INFNAN;
+		u.s.dbl_frach = u.s.dbl_fracl = 0;
+		errno = ERANGE;
+		return (u.v);		/* Inf */
+	}
+	if (newexp <= 0) {
+		/*
+		 * The output number is either a denormal or underflows
+		 * (see comments in machine/ieee.h).
+		 */
+		if (newexp <= -DBL_FRACBITS) {
+			/* u.s.dbl_sign = val < 0; -- already set */
+			u.s.dbl_exp = 0;
+			u.s.dbl_frach = u.s.dbl_fracl = 0;
+			errno = ERANGE;
+			return (u.v);		/* zero */
+		}
+		/*
+		 * We are going to produce a denorm.  Our `exp' argument
+		 * might be as small as -2097, and we cannot compute
+		 * 2^-2097, so we may have to do this as many as three
+		 * steps (not just two, as for positive `exp's below).
+		 */
+		mul.v = 0;
+		while (exp <= -DBL_EXP_BIAS) {
+			mul.s.dbl_exp = 1;
+			val *= mul.v;
+			exp += DBL_EXP_BIAS - 1;
+		}
+		mul.s.dbl_exp = exp + DBL_EXP_BIAS;
+		val *= mul.v;
+		return (val);
+	}
+
+	/*
+	 * Newexp is positive.
+	 *
+	 * If oldexp is zero, we are starting with a denorm, and simply
+	 * adjusting the exponent will produce bogus answers.  We need
+	 * to fix that first.
+	 */
+	if (oldexp == 0) {
+		/*
+		 * Multiply by 2^mulexp to make the number normalizable.
+		 * We cannot multiply by more than 2^1023, but `exp'
+		 * argument might be as large as 2046.  A single
+		 * adjustment, however, will normalize the number even
+		 * for huge `exp's, and then we can use exponent
+		 * arithmetic just as for normal `double's.
+		 */
+		mulexp = exp <= DBL_EXP_BIAS ? exp : DBL_EXP_BIAS;
+		mul.v = 0;
+		mul.s.dbl_exp = mulexp + DBL_EXP_BIAS;
+		val *= mul.v;
+		if (mulexp == exp)
+			return (val);
+		u.v = val;
+		newexp -= mulexp;
+	}
+
+	/*
+	 * Both oldexp and newexp are positive; just replace the
+	 * old exponent with the new one.
+	 */
+	u.s.dbl_exp = newexp;
+	return (u.v);
+}
diff --git a/lib/libc/arch/powerpc/gen/modf.c b/lib/libc/arch/powerpc/gen/modf.c
new file mode 100644
index 00000000000..838b2dfc42e
--- /dev/null
+++ b/lib/libc/arch/powerpc/gen/modf.c
@@ -0,0 +1,309 @@
+/* @(#)s_modf.c 5.1 93/09/24 */
+/*
+ * ====================================================
+ * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
+ *
+ * Developed at SunPro, a Sun Microsystems, Inc. business.
+ * Permission to use, copy, modify, and distribute this
+ * software is freely granted, provided that this notice 
+ * is preserved.
+ * ====================================================
+ */
+
+#if defined(LIBM_SCCS) && !defined(lint)
+static char rcsid[] = "$NetBSD: s_modf.c,v 1.8 1995/05/10 20:47:55 jtc Exp $";
+#endif
+
+/*
+ * modf(double x, double *iptr) 
+ * return fraction part of x, and return x's integral part in *iptr.
+ * Method:
+ *	Bit twiddling.
+ *
+ * Exception:
+ *	No exception.
+ */
+
+#include "math.h"
+
+/*
+ * ====================================================
+ * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
+ *
+ * Developed at SunPro, a Sun Microsystems, Inc. business.
+ * Permission to use, copy, modify, and distribute this
+ * software is freely granted, provided that this notice 
+ * is preserved.
+ * ====================================================
+ */
+
+/*
+ * from: @(#)fdlibm.h 5.1 93/09/24
+ * $Id: modf.c,v 1.1 1996/12/21 20:42:22 rahnds Exp $
+ */
+
+#ifndef _MATH_PRIVATE_H_
+#define _MATH_PRIVATE_H_
+
+#include <machine/endian.h>
+#include <sys/types.h>
+
+/* The original fdlibm code used statements like:
+	n0 = ((*(int*)&one)>>29)^1;		* index of high word *
+	ix0 = *(n0+(int*)&x);			* high word of x *
+	ix1 = *((1-n0)+(int*)&x);		* low word of x *
+   to dig two 32 bit words out of the 64 bit IEEE floating point
+   value.  That is non-ANSI, and, moreover, the gcc instruction
+   scheduler gets it wrong.  We instead use the following macros.
+   Unlike the original code, we determine the endianness at compile
+   time, not at run time; I don't see much benefit to selecting
+   endianness at run time.  */
+
+/* A union which permits us to convert between a double and two 32 bit
+   ints.  */
+
+/*
+ * The arm32 port is little endian except for the FP word order which is
+ * big endian.
+ */
+
+#if (BYTE_ORDER == BIG_ENDIAN) || defined(arm32)
+
+typedef union 
+{
+  double value;
+  struct 
+  {
+    u_int32_t msw;
+    u_int32_t lsw;
+  } parts;
+} ieee_double_shape_type;
+
+#endif
+
+#if (BYTE_ORDER == LITTLE_ENDIAN) && !defined(arm32)
+
+typedef union 
+{
+  double value;
+  struct 
+  {
+    u_int32_t lsw;
+    u_int32_t msw;
+  } parts;
+} ieee_double_shape_type;
+
+#endif
+
+/* Get two 32 bit ints from a double.  */
+
+#define EXTRACT_WORDS(ix0,ix1,d)				\
+do {								\
+  ieee_double_shape_type ew_u;					\
+  ew_u.value = (d);						\
+  (ix0) = ew_u.parts.msw;					\
+  (ix1) = ew_u.parts.lsw;					\
+} while (0)
+
+/* Get the more significant 32 bit int from a double.  */
+
+#define GET_HIGH_WORD(i,d)					\
+do {								\
+  ieee_double_shape_type gh_u;					\
+  gh_u.value = (d);						\
+  (i) = gh_u.parts.msw;						\
+} while (0)
+
+/* Get the less significant 32 bit int from a double.  */
+
+#define GET_LOW_WORD(i,d)					\
+do {								\
+  ieee_double_shape_type gl_u;					\
+  gl_u.value = (d);						\
+  (i) = gl_u.parts.lsw;						\
+} while (0)
+
+/* Set a double from two 32 bit ints.  */
+
+#define INSERT_WORDS(d,ix0,ix1)					\
+do {								\
+  ieee_double_shape_type iw_u;					\
+  iw_u.parts.msw = (ix0);					\
+  iw_u.parts.lsw = (ix1);					\
+  (d) = iw_u.value;						\
+} while (0)
+
+/* Set the more significant 32 bits of a double from an int.  */
+
+#define SET_HIGH_WORD(d,v)					\
+do {								\
+  ieee_double_shape_type sh_u;					\
+  sh_u.value = (d);						\
+  sh_u.parts.msw = (v);						\
+  (d) = sh_u.value;						\
+} while (0)
+
+/* Set the less significant 32 bits of a double from an int.  */
+
+#define SET_LOW_WORD(d,v)					\
+do {								\
+  ieee_double_shape_type sl_u;					\
+  sl_u.value = (d);						\
+  sl_u.parts.lsw = (v);						\
+  (d) = sl_u.value;						\
+} while (0)
+
+/* A union which permits us to convert between a float and a 32 bit
+   int.  */
+
+typedef union
+{
+  float value;
+  u_int32_t word;
+} ieee_float_shape_type;
+
+/* Get a 32 bit int from a float.  */
+
+#define GET_FLOAT_WORD(i,d)					\
+do {								\
+  ieee_float_shape_type gf_u;					\
+  gf_u.value = (d);						\
+  (i) = gf_u.word;						\
+} while (0)
+
+/* Set a float from a 32 bit int.  */
+
+#define SET_FLOAT_WORD(d,i)					\
+do {								\
+  ieee_float_shape_type sf_u;					\
+  sf_u.word = (i);						\
+  (d) = sf_u.value;						\
+} while (0)
+
+/* ieee style elementary functions */
+extern double __ieee754_sqrt __P((double));			
+extern double __ieee754_acos __P((double));			
+extern double __ieee754_acosh __P((double));			
+extern double __ieee754_log __P((double));			
+extern double __ieee754_atanh __P((double));			
+extern double __ieee754_asin __P((double));			
+extern double __ieee754_atan2 __P((double,double));			
+extern double __ieee754_exp __P((double));
+extern double __ieee754_cosh __P((double));
+extern double __ieee754_fmod __P((double,double));
+extern double __ieee754_pow __P((double,double));
+extern double __ieee754_lgamma_r __P((double,int *));
+extern double __ieee754_gamma_r __P((double,int *));
+extern double __ieee754_lgamma __P((double));
+extern double __ieee754_gamma __P((double));
+extern double __ieee754_log10 __P((double));
+extern double __ieee754_sinh __P((double));
+extern double __ieee754_hypot __P((double,double));
+extern double __ieee754_j0 __P((double));
+extern double __ieee754_j1 __P((double));
+extern double __ieee754_y0 __P((double));
+extern double __ieee754_y1 __P((double));
+extern double __ieee754_jn __P((int,double));
+extern double __ieee754_yn __P((int,double));
+extern double __ieee754_remainder __P((double,double));
+extern int    __ieee754_rem_pio2 __P((double,double*));
+extern double __ieee754_scalb __P((double,double));
+
+/* fdlibm kernel function */
+extern double __kernel_standard __P((double,double,int));	
+extern double __kernel_sin __P((double,double,int));
+extern double __kernel_cos __P((double,double));
+extern double __kernel_tan __P((double,double,int));
+extern int    __kernel_rem_pio2 __P((double*,double*,int,int,int,const int*));
+
+
+/* ieee style elementary float functions */
+extern float __ieee754_sqrtf __P((float));			
+extern float __ieee754_acosf __P((float));			
+extern float __ieee754_acoshf __P((float));			
+extern float __ieee754_logf __P((float));			
+extern float __ieee754_atanhf __P((float));			
+extern float __ieee754_asinf __P((float));			
+extern float __ieee754_atan2f __P((float,float));			
+extern float __ieee754_expf __P((float));
+extern float __ieee754_coshf __P((float));
+extern float __ieee754_fmodf __P((float,float));
+extern float __ieee754_powf __P((float,float));
+extern float __ieee754_lgammaf_r __P((float,int *));
+extern float __ieee754_gammaf_r __P((float,int *));
+extern float __ieee754_lgammaf __P((float));
+extern float __ieee754_gammaf __P((float));
+extern float __ieee754_log10f __P((float));
+extern float __ieee754_sinhf __P((float));
+extern float __ieee754_hypotf __P((float,float));
+extern float __ieee754_j0f __P((float));
+extern float __ieee754_j1f __P((float));
+extern float __ieee754_y0f __P((float));
+extern float __ieee754_y1f __P((float));
+extern float __ieee754_jnf __P((int,float));
+extern float __ieee754_ynf __P((int,float));
+extern float __ieee754_remainderf __P((float,float));
+extern int   __ieee754_rem_pio2f __P((float,float*));
+extern float __ieee754_scalbf __P((float,float));
+
+/* float versions of fdlibm kernel functions */
+extern float __kernel_sinf __P((float,float,int));
+extern float __kernel_cosf __P((float,float));
+extern float __kernel_tanf __P((float,float,int));
+extern int   __kernel_rem_pio2f __P((float*,float*,int,int,int,const int*));
+
+#endif /* _MATH_PRIVATE_H_ */
+#ifdef __STDC__
+static const double one = 1.0;
+#else
+static double one = 1.0;
+#endif
+
+#ifdef __STDC__
+	double modf(double x, double *iptr)
+#else
+	double modf(x, iptr)
+	double x,*iptr;
+#endif
+{
+	int32_t i0,i1,j0;
+	u_int32_t i;
+	EXTRACT_WORDS(i0,i1,x);
+	j0 = ((i0>>20)&0x7ff)-0x3ff;	/* exponent of x */
+	if(j0<20) {			/* integer part in high x */
+	    if(j0<0) {			/* |x|<1 */
+	        INSERT_WORDS(*iptr,i0&0x80000000,0);	/* *iptr = +-0 */
+		return x;
+	    } else {
+		i = (0x000fffff)>>j0;
+		if(((i0&i)|i1)==0) {		/* x is integral */
+		    u_int32_t high;
+		    *iptr = x;
+		    GET_HIGH_WORD(high,x);
+		    INSERT_WORDS(x,high&0x80000000,0);	/* return +-0 */
+		    return x;
+		} else {
+		    INSERT_WORDS(*iptr,i0&(~i),0);
+		    return x - *iptr;
+		}
+	    }
+	} else if (j0>51) {		/* no fraction part */
+	    u_int32_t high;
+	    *iptr = x*one;
+	    GET_HIGH_WORD(high,x);
+	    INSERT_WORDS(x,high&0x80000000,0);	/* return +-0 */
+	    return x;
+	} else {			/* fraction part in low x */
+	    i = ((u_int32_t)(0xffffffff))>>(j0-20);
+	    if((i1&i)==0) { 		/* x is integral */
+	        u_int32_t high;
+		*iptr = x;
+		GET_HIGH_WORD(high,x);
+		INSERT_WORDS(x,high&0x80000000,0);	/* return +-0 */
+		return x;
+	    } else {
+	        INSERT_WORDS(*iptr,i0,i1&(~i));
+		return x - *iptr;
+	    }
+	}
+}
diff --git a/lib/libc/arch/powerpc/gen/setjmp.S b/lib/libc/arch/powerpc/gen/setjmp.S
new file mode 100644
index 00000000000..9632d3fabbf
--- /dev/null
+++ b/lib/libc/arch/powerpc/gen/setjmp.S
@@ -0,0 +1,125 @@
+#include "SYS.h"
+#include <machine/asm.h>
+
+/* int setjmp(jmp_buf env) */
+
+#define JMP_r1	0x04
+#define JMP_r14	0x08
+#define JMP_r15	0x0c
+#define JMP_r16	0x10
+#define JMP_r17	0x14
+#define JMP_r18	0x18
+#define JMP_r19	0x1c
+#define JMP_r20	0x20
+#define JMP_r21	0x24
+#define JMP_r22	0x28
+#define JMP_r23	0x2c
+#define JMP_r24	0x30
+#define JMP_r25	0x34
+#define JMP_r26	0x38
+#define JMP_r27	0x3c
+#define JMP_r28	0x40
+#define JMP_r29	0x44
+#define JMP_r30	0x48
+#define JMP_r31	0x4c
+#define JMP_lr  0x50
+#define JMP_cr  0x54
+#define JMP_ctr	0x58
+#define JMP_xer	0x5c
+#define JMP_sig	0x60
+
+
+.extern sigblock
+
+ENTRY(setjmp)
+	/* r31, mask */
+	stw 31, JMP_r31(3)
+	mflr 0
+	stw 0, JMP_lr(3)
+	mr 31, 3
+	li 3, 0
+	bl sigblock
+	stw 3, JMP_sig(31)
+	/* should sigstack be checked and saved */
+	mr 3, 31
+	lwz 0, JMP_lr(3)
+	mtlr 0
+	lwz 31, JMP_r31(3)
+ENTRY(_setjmp)
+	stw 31, JMP_r31(3)
+	/* r1, r14-r30 */
+	stw 1,  JMP_r1 (3)
+	stw 14, JMP_r14(3)
+	stw 15, JMP_r15(3)
+	stw 16, JMP_r16(3)
+	stw 17, JMP_r17(3)
+	stw 18, JMP_r18(3)
+	stw 19, JMP_r19(3)
+	stw 20, JMP_r20(3)
+	stw 21, JMP_r21(3)
+	stw 22, JMP_r22(3)
+	stw 23, JMP_r23(3)
+	stw 24, JMP_r24(3)
+	stw 25, JMP_r25(3)
+	stw 26, JMP_r26(3)
+	stw 27, JMP_r27(3)
+	stw 28, JMP_r28(3)
+	stw 29, JMP_r29(3)
+	stw 30, JMP_r30(3)
+	/* cr, lr, ctr, xer */
+	mfcr 0
+	stw 0, JMP_cr(3)
+	mflr 0
+	stw 0, JMP_lr(3)
+	mfctr 0
+	stw 0, JMP_ctr(3)
+	mfxer 0
+	stw 0, JMP_xer(3)
+	/* f14-f31, fpscr */
+	li 3, 0
+	blr
+
+
+.extern sigsetmask
+ENTRY(longjmp)
+	/* r31, mask */
+	mr 30, 3
+	mr 31, 4
+	lwz 3, JMP_sig(3)
+	bl sigsetmask
+	/* should we deal with sigonstack here ?? */
+	mr 4, 31
+	mr 3, 30
+ENTRY(_longjmp)
+	lwz 31, JMP_r31(3)
+	/* r1, r14-r30 */
+	lwz 1,  JMP_r1 (3)
+	lwz 14, JMP_r14(3)
+	lwz 15, JMP_r15(3)
+	lwz 16, JMP_r16(3)
+	lwz 17, JMP_r17(3)
+	lwz 18, JMP_r18(3)
+	lwz 19, JMP_r19(3)
+	lwz 20, JMP_r20(3)
+	lwz 21, JMP_r21(3)
+	lwz 22, JMP_r22(3)
+	lwz 23, JMP_r23(3)
+	lwz 24, JMP_r24(3)
+	lwz 25, JMP_r25(3)
+	lwz 26, JMP_r26(3)
+	lwz 27, JMP_r27(3)
+	lwz 28, JMP_r28(3)
+	lwz 29, JMP_r29(3)
+	lwz 30, JMP_r30(3)
+	/* cr, lr, ctr, xer */
+	lwz 0, JMP_cr(3)
+	mtcr 0
+	lwz 0, JMP_lr(3)
+	mtlr 0
+	lwz 0, JMP_ctr(3)
+	mtctr 0
+	lwz 0, JMP_xer(3)
+	mtxer 0
+	/* f14-f31, fpscr */
+	mr 3, 4
+	blr
diff --git a/lib/libc/arch/powerpc/gen/sigsetjmp.S b/lib/libc/arch/powerpc/gen/sigsetjmp.S
new file mode 100644
index 00000000000..9d998b651c4
--- /dev/null
+++ b/lib/libc/arch/powerpc/gen/sigsetjmp.S
@@ -0,0 +1,99 @@
+/*	$NetBSD$	*/
+
+/*-
+ * 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. 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.
+ *
+ *	from: @(#)setjmp.s	5.1 (Berkeley) 4/23/90"
+ */
+#if 0
+#include <sys/syscall.h>
+
+#include <machine/asm.h>
+#endif
+
+#include "SYS.h"
+#include <machine/asm.h>
+
+#if defined(LIBC_SCCS)
+	.text
+	.asciz "$NetBSD$"
+#endif
+
+#if 1
+ENTRY(sigsetjmp)
+#else
+	.globl sigsetjmp
+sigsetjmp:
+#endif
+	mr	6,3
+	or.	7,4,4
+	beq	1f
+	li	3,1			# SIG_BLOCK
+	li	4,0
+	li	0,SYS_sigprocmask
+	sc				# assume no error	XXX
+1:
+	mflr	11
+	mfcr	12
+	mr	10,1
+	mr	9,2
+	mr	8,3
+	stmw	7,0(6)
+	li	3,0
+	blr
+
+#if 1
+ENTRY(siglongjmp)
+#else
+	.globl siglongjmp
+siglongjmp:
+#endif
+	lmw	7,0(3)
+	mr	6,4
+	mtlr	11
+	mtcr	12
+	mr	2,9
+	mr	1,10
+	or.	7,7,7
+	beq	1f
+	mr	4,8
+	li	3,3			# SIG_SETMASK
+	li	0,SYS_sigprocmask
+	sc				# assume no error	XXX
+1:
+	or.	3,6,6
+	bnelr
+	li	3,1
+	blr
diff --git a/lib/libc/arch/powerpc/net/Makefile.inc b/lib/libc/arch/powerpc/net/Makefile.inc
new file mode 100644
index 00000000000..86017c7b155
--- /dev/null
+++ b/lib/libc/arch/powerpc/net/Makefile.inc
@@ -0,0 +1,2 @@
+SRCS += ntohl.c ntohs.c htons.c htonl.c
+
diff --git a/lib/libc/arch/powerpc/string/Makefile.inc b/lib/libc/arch/powerpc/string/Makefile.inc
new file mode 100644
index 00000000000..a8bdeab3255
--- /dev/null
+++ b/lib/libc/arch/powerpc/string/Makefile.inc
@@ -0,0 +1,6 @@
+#	$NetBSD: Makefile.inc,v 1.1 1995/03/20 14:45:47 mycroft Exp $
+
+SRCS+=	bcmp.c bcopy.c bzero.c  ffs.c index.c memchr.c memcmp.c memset.c \
+	rindex.c strcat.c strcmp.c strcpy.c strcspn.c strlen.c \
+	strncat.c strncmp.c strncpy.c strpbrk.c strsep.c \
+	strspn.c strstr.c swab.c
diff --git a/lib/libc/arch/powerpc/sys/Ovfork.S b/lib/libc/arch/powerpc/sys/Ovfork.S
new file mode 100644
index 00000000000..ac460a85aad
--- /dev/null
+++ b/lib/libc/arch/powerpc/sys/Ovfork.S
@@ -0,0 +1,4 @@
+#include "SYS.h"
+
+/* pid = vfork() */
+RSYSCALL(vfork)
diff --git a/lib/libc/arch/powerpc/sys/brk.S b/lib/libc/arch/powerpc/sys/brk.S
new file mode 100644
index 00000000000..faa44c45e54
--- /dev/null
+++ b/lib/libc/arch/powerpc/sys/brk.S
@@ -0,0 +1,34 @@
+#include "SYS.h"
+
+	.data
+	.extern curbrk
+	.extern _end
+
+	.text
+PSEUDO_PREFIX(brk,break)
+	
+	/* check >= _end, if not make the call for _end */
+	addis 5,0,_end@h
+	ori  5,5,_end@l		/* # 5 = &_end */
+	cmpw 3,5
+	bge+ brk_call
+	mr 3, 5
+
+brk_call:
+	mr 7, 3
+	/* call break(size) */
+	addis 6, 0, curbrk@H
+	ori  6, 6, curbrk@L	/* # 6 = &curbrk */
+
+	sc
+
+	/* check for error */
+	cmpwi 0, 0
+	beq+ brk_ok		/* OK so this is stupid but I haven't read b */
+	b cerror
+
+	/* update, curbrk and return */
+brk_ok:
+	stw	7, 0(6)		/* # remember, 6=&curbrk, 3= new value */
+	mr	3, 0		/* # return 0 */
+	blr
diff --git a/lib/libc/arch/powerpc/sys/cerror.S b/lib/libc/arch/powerpc/sys/cerror.S
new file mode 100644
index 00000000000..a99db9ddf83
--- /dev/null
+++ b/lib/libc/arch/powerpc/sys/cerror.S
@@ -0,0 +1,22 @@
+#include "SYS.h"
+#include <machine/asm.h>
+
+	.text
+ENTRY(cerror)
+#if 1
+	addis 5, 0, errno@H
+	ori 5, 5, errno@L
+#else
+	.data
+	.extern errno
+errno_toc:
+	.long errno
+	.text
+	addis 5, 0, errno_toc@H
+	ori 5, 5, errno_toc@L
+	lwz 5, 0(5)
+#endif
+	stw 0, 0(5)
+	addi 3, 0, -1
+	addi 4, 0, -1
+	blr
diff --git a/lib/libc/arch/powerpc/sys/exect.S b/lib/libc/arch/powerpc/sys/exect.S
new file mode 100644
index 00000000000..31307cc3f2e
--- /dev/null
+++ b/lib/libc/arch/powerpc/sys/exect.S
@@ -0,0 +1 @@
+/* rubbish */
diff --git a/lib/libc/arch/powerpc/sys/fork.S b/lib/libc/arch/powerpc/sys/fork.S
new file mode 100644
index 00000000000..36d65e8cc94
--- /dev/null
+++ b/lib/libc/arch/powerpc/sys/fork.S
@@ -0,0 +1,5 @@
+/* pid = fork() */
+
+#include "SYS.h"
+
+RSYSCALL(fork)
diff --git a/lib/libc/arch/powerpc/sys/pipe.S b/lib/libc/arch/powerpc/sys/pipe.S
new file mode 100644
index 00000000000..a80c05e7bf8
--- /dev/null
+++ b/lib/libc/arch/powerpc/sys/pipe.S
@@ -0,0 +1,15 @@
+/* int sigsuspend(int *mask) */
+
+#include "SYS.h"
+
+	.text
+PREFIX(pipe)
+	mr 5, 3		/* keep buf addr safe */
+	sc
+	cmpwi 0, 0
+ 	beq ok
+ 	b cerror
+ok:	stw 3, 0(5)
+	stw 4, 4(5)
+	li 3, 0
+	blr
diff --git a/lib/libc/arch/powerpc/sys/ptrace.S b/lib/libc/arch/powerpc/sys/ptrace.S
new file mode 100644
index 00000000000..31307cc3f2e
--- /dev/null
+++ b/lib/libc/arch/powerpc/sys/ptrace.S
@@ -0,0 +1 @@
+/* rubbish */
diff --git a/lib/libc/arch/powerpc/sys/reboot.S b/lib/libc/arch/powerpc/sys/reboot.S
new file mode 100644
index 00000000000..8063167c8d4
--- /dev/null
+++ b/lib/libc/arch/powerpc/sys/reboot.S
@@ -0,0 +1,3 @@
+/* rubbish */
+#include <SYS.h>
+RSYSCALL(reboot)
diff --git a/lib/libc/arch/powerpc/sys/sbrk.S b/lib/libc/arch/powerpc/sys/sbrk.S
new file mode 100644
index 00000000000..c54fa839e8a
--- /dev/null
+++ b/lib/libc/arch/powerpc/sys/sbrk.S
@@ -0,0 +1,32 @@
+#include "SYS.h"
+
+	.data
+	.globl _end
+	.globl curbrk
+	.globl minbrk
+curbrk:	.long _end
+minbrk:	.long _end
+
+
+	.text
+PSEUDO_PREFIX(sbrk,break)
+	
+	/* call break(curbrk + size) */
+	addis	6,0,curbrk@h
+	ori	6,6,curbrk@l	/* # 6 = &curbrk */
+	lwz	5, 0(6)		/* # 5 = *6 (old_curbrk) */
+	add	3, 5, 3		/* # 3 = new_curbrk */
+	mr	7, 3
+
+	sc
+
+	/* check for error */
+	cmpwi 0, 0
+	beq+ sbrk_ok		/* OK so this is stupid but I haven't read b */
+	b cerror
+
+	/* update, curbrk and return */
+sbrk_ok:
+	stw	7, 0(6)		/* # remember, 6=&curbrk, 7=new_curbrk */
+	mr	3, 5		/* # remember, 5=old_curbrk */
+	blr
diff --git a/lib/libc/arch/powerpc/sys/setlogin.S b/lib/libc/arch/powerpc/sys/setlogin.S
new file mode 100644
index 00000000000..793c846e047
--- /dev/null
+++ b/lib/libc/arch/powerpc/sys/setlogin.S
@@ -0,0 +1,9 @@
+/* rubbish */
+#include "SYS.h"
+	.extern __logname_valid
+RSYSCALL(setlogin)
+	lis	0, __logname_valid@H
+	li	4, 4
+	stw	4,__logname_valid@L(0)
+	blr
+
diff --git a/lib/libc/arch/powerpc/sys/sigpending.S b/lib/libc/arch/powerpc/sys/sigpending.S
new file mode 100644
index 00000000000..31307cc3f2e
--- /dev/null
+++ b/lib/libc/arch/powerpc/sys/sigpending.S
@@ -0,0 +1 @@
+/* rubbish */
diff --git a/lib/libc/arch/powerpc/sys/sigprocmask.S b/lib/libc/arch/powerpc/sys/sigprocmask.S
new file mode 100644
index 00000000000..e8b250ed4ad
--- /dev/null
+++ b/lib/libc/arch/powerpc/sys/sigprocmask.S
@@ -0,0 +1,30 @@
+/* sigprocmask(int how, const sigset_t *set, sigset_t *oset); */
+
+#include "SYS.h"
+
+	.text
+PREFIX(sigprocmask)
+	
+	/* check set (new mask value) for null, in which case
+	   fiddle arguments */
+	cmpwi 4, 0
+	bne+ load_set
+	addi 3, 0, 1	/* how = SIG_BLOCK, new mask already 0 */
+	b do_call
+load_set:
+	lwz 4, 0(4)	/* get new mask */
+do_call:
+	
+	sc
+	
+	/* didnt work? */
+	cmpwi 0, 0
+	beq+ sigprocmask_ok
+	b cerror
+
+sigprocmask_ok:
+	cmpwi 5, 0
+	beq+ sigprocmask_done
+	stw 4, 0(5)
+sigprocmask_done:
+	blr
diff --git a/lib/libc/arch/powerpc/sys/sigreturn.S b/lib/libc/arch/powerpc/sys/sigreturn.S
new file mode 100644
index 00000000000..31307cc3f2e
--- /dev/null
+++ b/lib/libc/arch/powerpc/sys/sigreturn.S
@@ -0,0 +1 @@
+/* rubbish */
diff --git a/lib/libc/arch/powerpc/sys/sigsuspend.S b/lib/libc/arch/powerpc/sys/sigsuspend.S
new file mode 100644
index 00000000000..ea4c5ce33b9
--- /dev/null
+++ b/lib/libc/arch/powerpc/sys/sigsuspend.S
@@ -0,0 +1,9 @@
+/* int sigsuspend(int *mask) */
+
+#include "SYS.h"
+
+	.text
+PREFIX(sigsuspend)
+	lwz 3, 0(3)		/* load the mask */
+	sc
+	SUFFIX
diff --git a/lib/libc/arch/powerpc/sys/syscall.S b/lib/libc/arch/powerpc/sys/syscall.S
new file mode 100644
index 00000000000..4d0ba95ff30
--- /dev/null
+++ b/lib/libc/arch/powerpc/sys/syscall.S
@@ -0,0 +1,11 @@
+/*
+ * COPYRIGHT
+ */
+#if defined(SYSLIBC_SCCS)
+        .text
+        .asciz "$OpenBSD: syscall.S,v 1.1 1996/12/21 20:42:24 rahnds Exp $"
+#endif /* SYSLIBC_SCCS */
+
+#include "SYS.h"
+
+RSYSCALL(syscall)