[Feature][ZXW-33]merge ZXW 0428 version
Change-Id: I11f167edfea428d9fab198ff00ff1364932d1b0b
diff --git a/ap/libc/glibc/glibc-2.23/sunrpc/xdr_float.c b/ap/libc/glibc/glibc-2.23/sunrpc/xdr_float.c
new file mode 100644
index 0000000..4ce8ae7
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.23/sunrpc/xdr_float.c
@@ -0,0 +1,299 @@
+/*
+ * xdr_float.c, Generic XDR routines implementation.
+ *
+ * Copyright (c) 2010, Oracle America, Inc.
+ *
+ * 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.
+ * * Neither the name of the "Oracle America, Inc." 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 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 HOLDER 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.
+ *
+ * These are the "floating point" xdr routines used to (de)serialize
+ * most common data items. See xdr.h for more info on the interface to
+ * xdr.
+ */
+
+#include <stdio.h>
+#include <endian.h>
+
+#include <rpc/types.h>
+#include <rpc/xdr.h>
+
+/*
+ * NB: Not portable.
+ * This routine works on Suns (Sky / 68000's) and Vaxen.
+ */
+
+#define LSW (__FLOAT_WORD_ORDER == __BIG_ENDIAN)
+
+#ifdef vax
+
+/* What IEEE single precision floating point looks like on a Vax */
+struct ieee_single {
+ unsigned int mantissa: 23;
+ unsigned int exp : 8;
+ unsigned int sign : 1;
+};
+
+/* Vax single precision floating point */
+struct vax_single {
+ unsigned int mantissa1 : 7;
+ unsigned int exp : 8;
+ unsigned int sign : 1;
+ unsigned int mantissa2 : 16;
+};
+
+#define VAX_SNG_BIAS 0x81
+#define IEEE_SNG_BIAS 0x7f
+
+static struct sgl_limits {
+ struct vax_single s;
+ struct ieee_single ieee;
+} sgl_limits[2] = {
+ {{ 0x7f, 0xff, 0x0, 0xffff }, /* Max Vax */
+ { 0x0, 0xff, 0x0 }}, /* Max IEEE */
+ {{ 0x0, 0x0, 0x0, 0x0 }, /* Min Vax */
+ { 0x0, 0x0, 0x0 }} /* Min IEEE */
+};
+#endif /* vax */
+
+bool_t
+xdr_float (XDR *xdrs, float *fp)
+{
+#ifdef vax
+ struct ieee_single is;
+ struct vax_single vs, *vsp;
+ struct sgl_limits *lim;
+ int i;
+#endif
+ switch (xdrs->x_op) {
+
+ case XDR_ENCODE:
+#ifdef vax
+ vs = *((struct vax_single *)fp);
+ for (i = 0, lim = sgl_limits;
+ i < sizeof(sgl_limits)/sizeof(struct sgl_limits);
+ i++, lim++) {
+ if ((vs.mantissa2 == lim->s.mantissa2) &&
+ (vs.exp == lim->s.exp) &&
+ (vs.mantissa1 == lim->s.mantissa1)) {
+ is = lim->ieee;
+ goto shipit;
+ }
+ }
+ is.exp = vs.exp - VAX_SNG_BIAS + IEEE_SNG_BIAS;
+ is.mantissa = (vs.mantissa1 << 16) | vs.mantissa2;
+ shipit:
+ is.sign = vs.sign;
+ return (XDR_PUTLONG(xdrs, (long *)&is));
+#else
+ if (sizeof(float) == sizeof(long))
+ return (XDR_PUTLONG(xdrs, (long *)fp));
+ else if (sizeof(float) == sizeof(int)) {
+ long tmp = *(int *)fp;
+ return (XDR_PUTLONG(xdrs, &tmp));
+ }
+ break;
+#endif
+
+ case XDR_DECODE:
+#ifdef vax
+ vsp = (struct vax_single *)fp;
+ if (!XDR_GETLONG(xdrs, (long *)&is))
+ return (FALSE);
+ for (i = 0, lim = sgl_limits;
+ i < sizeof(sgl_limits)/sizeof(struct sgl_limits);
+ i++, lim++) {
+ if ((is.exp == lim->ieee.exp) &&
+ (is.mantissa == lim->ieee.mantissa)) {
+ *vsp = lim->s;
+ goto doneit;
+ }
+ }
+ vsp->exp = is.exp - IEEE_SNG_BIAS + VAX_SNG_BIAS;
+ vsp->mantissa2 = is.mantissa;
+ vsp->mantissa1 = (is.mantissa >> 16);
+ doneit:
+ vsp->sign = is.sign;
+ return (TRUE);
+#else
+ if (sizeof(float) == sizeof(long))
+ return (XDR_GETLONG(xdrs, (long *)fp));
+ else if (sizeof(float) == sizeof(int)) {
+ long tmp;
+ if (XDR_GETLONG(xdrs, &tmp)) {
+ *(int *)fp = tmp;
+ return (TRUE);
+ }
+ }
+ break;
+#endif
+
+ case XDR_FREE:
+ return (TRUE);
+ }
+ return (FALSE);
+}
+libc_hidden_nolink_sunrpc (xdr_float, GLIBC_2_0)
+
+/*
+ * This routine works on Suns (Sky / 68000's) and Vaxen.
+ */
+
+#ifdef vax
+/* What IEEE double precision floating point looks like on a Vax */
+struct ieee_double {
+ unsigned int mantissa1 : 20;
+ unsigned int exp : 11;
+ unsigned int sign : 1;
+ unsigned int mantissa2 : 32;
+};
+
+/* Vax double precision floating point */
+struct vax_double {
+ unsigned int mantissa1 : 7;
+ unsigned int exp : 8;
+ unsigned int sign : 1;
+ unsigned int mantissa2 : 16;
+ unsigned int mantissa3 : 16;
+ unsigned int mantissa4 : 16;
+};
+
+#define VAX_DBL_BIAS 0x81
+#define IEEE_DBL_BIAS 0x3ff
+#define MASK(nbits) ((1 << nbits) - 1)
+
+static struct dbl_limits {
+ struct vax_double d;
+ struct ieee_double ieee;
+} dbl_limits[2] = {
+ {{ 0x7f, 0xff, 0x0, 0xffff, 0xffff, 0xffff }, /* Max Vax */
+ { 0x0, 0x7ff, 0x0, 0x0 }}, /* Max IEEE */
+ {{ 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, /* Min Vax */
+ { 0x0, 0x0, 0x0, 0x0 }} /* Min IEEE */
+};
+
+#endif /* vax */
+
+
+bool_t
+xdr_double (XDR *xdrs, double *dp)
+{
+#ifdef vax
+ struct ieee_double id;
+ struct vax_double vd;
+ register struct dbl_limits *lim;
+ int i;
+#endif
+
+ switch (xdrs->x_op) {
+
+ case XDR_ENCODE:
+#ifdef vax
+ vd = *((struct vax_double *)dp);
+ for (i = 0, lim = dbl_limits;
+ i < sizeof(dbl_limits)/sizeof(struct dbl_limits);
+ i++, lim++) {
+ if ((vd.mantissa4 == lim->d.mantissa4) &&
+ (vd.mantissa3 == lim->d.mantissa3) &&
+ (vd.mantissa2 == lim->d.mantissa2) &&
+ (vd.mantissa1 == lim->d.mantissa1) &&
+ (vd.exp == lim->d.exp)) {
+ id = lim->ieee;
+ goto shipit;
+ }
+ }
+ id.exp = vd.exp - VAX_DBL_BIAS + IEEE_DBL_BIAS;
+ id.mantissa1 = (vd.mantissa1 << 13) | (vd.mantissa2 >> 3);
+ id.mantissa2 = ((vd.mantissa2 & MASK(3)) << 29) |
+ (vd.mantissa3 << 13) |
+ ((vd.mantissa4 >> 3) & MASK(13));
+ shipit:
+ id.sign = vd.sign;
+ dp = (double *)&id;
+#endif
+ if (2*sizeof(long) == sizeof(double)) {
+ long *lp = (long *)dp;
+ return (XDR_PUTLONG(xdrs, lp+!LSW) &&
+ XDR_PUTLONG(xdrs, lp+LSW));
+ } else if (2*sizeof(int) == sizeof(double)) {
+ int *ip = (int *)dp;
+ long tmp[2];
+ tmp[0] = ip[!LSW];
+ tmp[1] = ip[LSW];
+ return (XDR_PUTLONG(xdrs, tmp) &&
+ XDR_PUTLONG(xdrs, tmp+1));
+ }
+ break;
+
+ case XDR_DECODE:
+#ifdef vax
+ lp = (long *)&id;
+ if (!XDR_GETLONG(xdrs, lp++) || !XDR_GETLONG(xdrs, lp))
+ return (FALSE);
+ for (i = 0, lim = dbl_limits;
+ i < sizeof(dbl_limits)/sizeof(struct dbl_limits);
+ i++, lim++) {
+ if ((id.mantissa2 == lim->ieee.mantissa2) &&
+ (id.mantissa1 == lim->ieee.mantissa1) &&
+ (id.exp == lim->ieee.exp)) {
+ vd = lim->d;
+ goto doneit;
+ }
+ }
+ vd.exp = id.exp - IEEE_DBL_BIAS + VAX_DBL_BIAS;
+ vd.mantissa1 = (id.mantissa1 >> 13);
+ vd.mantissa2 = ((id.mantissa1 & MASK(13)) << 3) |
+ (id.mantissa2 >> 29);
+ vd.mantissa3 = (id.mantissa2 >> 13);
+ vd.mantissa4 = (id.mantissa2 << 3);
+ doneit:
+ vd.sign = id.sign;
+ *dp = *((double *)&vd);
+ return (TRUE);
+#else
+ if (2*sizeof(long) == sizeof(double)) {
+ long *lp = (long *)dp;
+ return (XDR_GETLONG(xdrs, lp+!LSW) &&
+ XDR_GETLONG(xdrs, lp+LSW));
+ } else if (2*sizeof(int) == sizeof(double)) {
+ int *ip = (int *)dp;
+ long tmp[2];
+ if (XDR_GETLONG(xdrs, tmp+!LSW) &&
+ XDR_GETLONG(xdrs, tmp+LSW)) {
+ ip[0] = tmp[0];
+ ip[1] = tmp[1];
+ return (TRUE);
+ }
+ }
+ break;
+#endif
+
+ case XDR_FREE:
+ return (TRUE);
+ }
+ return (FALSE);
+}
+libc_hidden_nolink_sunrpc (xdr_double, GLIBC_2_0)