1 files changed, 140 insertions, 0 deletions
diff --git a/gcc-4.2.1-5666.3/include/floatformat.h b/gcc-4.2.1-5666.3/include/floatformat.h
new file mode 100644
index 000000000..f1bd7f601
--- /dev/null
+++ b/gcc-4.2.1-5666.3/include/floatformat.h
@@ -0,0 +1,140 @@
+/* IEEE floating point support declarations, for GDB, the GNU Debugger.
+   Copyright 1991, 1994, 1995, 1997, 2000, 2003, 2005
+   Free Software Foundation, Inc.
+
+This file is part of GDB.
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.  */
+
+#if !defined (FLOATFORMAT_H)
+#define FLOATFORMAT_H 1
+
+#include "ansidecl.h"
+
+/* A floatformat consists of a sign bit, an exponent and a mantissa.  Once the
+   bytes are concatenated according to the byteorder flag, then each of those
+   fields is contiguous.  We number the bits with 0 being the most significant
+   (i.e. BITS_BIG_ENDIAN type numbering), and specify which bits each field
+   contains with the *_start and *_len fields.  */
+
+/* What is the order of the bytes?  */
+
+enum floatformat_byteorders {
+  /* Standard little endian byte order.
+     EX: 1.2345678e10 => 00 00 80 c5 e0 fe 06 42 */
+  floatformat_little,
+
+  /* Standard big endian byte order.
+     EX: 1.2345678e10 => 42 06 fe e0 c5 80 00 00 */
+  floatformat_big,
+
+  /* Little endian byte order but big endian word order.
+     EX: 1.2345678e10 => e0 fe 06 42 00 00 80 c5 */
+  floatformat_littlebyte_bigword,
+
+  /* VAX byte order.  Little endian byte order with 16-bit words.  The
+     following example is an illustration of the byte order only; VAX
+     doesn't have a fully IEEE compliant floating-point format.
+     EX: 1.2345678e10 => 80 c5 00 00 06 42 e0 fe */
+  floatformat_vax
+};
+
+enum floatformat_intbit { floatformat_intbit_yes, floatformat_intbit_no };
+
+struct floatformat
+{
+  enum floatformat_byteorders byteorder;
+  unsigned int totalsize;	/* Total size of number in bits */
+
+  /* Sign bit is always one bit long.  1 means negative, 0 means positive.  */
+  unsigned int sign_start;
+
+  unsigned int exp_start;
+  unsigned int exp_len;
+  /* Bias added to a "true" exponent to form the biased exponent.  It
+     is intentionally signed as, otherwize, -exp_bias can turn into a
+     very large number (e.g., given the exp_bias of 0x3fff and a 64
+     bit long, the equation (long)(1 - exp_bias) evaluates to
+     4294950914) instead of -16382).  */
+  int exp_bias;
+  /* Exponent value which indicates NaN.  This is the actual value stored in
+     the float, not adjusted by the exp_bias.  This usually consists of all
+     one bits.  */
+  unsigned int exp_nan;
+
+  unsigned int man_start;
+  unsigned int man_len;
+
+  /* Is the integer bit explicit or implicit?  */
+  enum floatformat_intbit intbit;
+
+  /* Internal name for debugging. */
+  const char *name;
+
+  /* Validator method.  */
+  int (*is_valid) (const struct floatformat *fmt, const void *from);
+};
+
+/* floatformats for IEEE single and double, big and little endian.  */
+
+extern const struct floatformat floatformat_ieee_single_big;
+extern const struct floatformat floatformat_ieee_single_little;
+extern const struct floatformat floatformat_ieee_double_big;
+extern const struct floatformat floatformat_ieee_double_little;
+
+/* floatformat for ARM IEEE double, little endian bytes and big endian words */
+
+extern const struct floatformat floatformat_ieee_double_littlebyte_bigword;
+
+/* floatformats for VAX.  */
+
+extern const struct floatformat floatformat_vax_f;
+extern const struct floatformat floatformat_vax_d;
+extern const struct floatformat floatformat_vax_g;
+
+/* floatformats for various extendeds.  */
+
+extern const struct floatformat floatformat_i387_ext;
+extern const struct floatformat floatformat_m68881_ext;
+extern const struct floatformat floatformat_i960_ext;
+extern const struct floatformat floatformat_m88110_ext;
+extern const struct floatformat floatformat_m88110_harris_ext;
+extern const struct floatformat floatformat_arm_ext_big;
+extern const struct floatformat floatformat_arm_ext_littlebyte_bigword;
+/* IA-64 Floating Point register spilt into memory.  */
+extern const struct floatformat floatformat_ia64_spill_big;
+extern const struct floatformat floatformat_ia64_spill_little;
+extern const struct floatformat floatformat_ia64_quad_big;
+extern const struct floatformat floatformat_ia64_quad_little;
+
+/* Convert from FMT to a double.
+   FROM is the address of the extended float.
+   Store the double in *TO.  */
+
+extern void
+floatformat_to_double (const struct floatformat *, const void *, double *);
+
+/* The converse: convert the double *FROM to FMT
+   and store where TO points.  */
+
+extern void
+floatformat_from_double (const struct floatformat *, const double *, void *);
+
+/* Return non-zero iff the data at FROM is a valid number in format FMT.  */
+
+extern int
+floatformat_is_valid (const struct floatformat *fmt, const void *from);
+
+#endif	/* defined (FLOATFORMAT_H) */