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author | cvs2svn <> | 2009-09-04 04:29:43 +0000 |
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committer | cvs2svn <> | 2009-09-04 04:29:43 +0000 |
commit | 6144d92bc7dc5b75e7bc5e04227c0ba1581d28cb (patch) | |
tree | c38dcebde7d1c6cb4810ccaa52d4016699da3574 /include/floatformat.h | |
parent | 5cbd59b72a754824f6f13459279c0bdf11c686f1 (diff) | |
download | cygnal-cgen-snapshot-20090901.tar.gz cygnal-cgen-snapshot-20090901.tar.bz2 cygnal-cgen-snapshot-20090901.zip |
This commit was manufactured by cvs2svn to create tag 'cgen-cgen-snapshot-20090901
snapshot-20090901'.
Sprout from binutils-2_20-branch 2009-09-04 04:29:41 UTC cvs2svn 'This commit was manufactured by cvs2svn to create branch 'binutils-'
Cherrypick from master 2009-09-01 13:38:26 UTC Tristan Gingold <gingold@adacore.com> '2009-09-01 Tristan Gingold <gingold@adacore.com>':
ChangeLog
Makefile.def
Makefile.in
Makefile.tpl
configure
configure.ac
Delete:
include/COPYING
include/COPYING3
include/ChangeLog
include/ChangeLog-9103
include/MAINTAINERS
include/alloca-conf.h
include/ansidecl.h
include/aout/ChangeLog
include/aout/adobe.h
include/aout/aout64.h
include/aout/ar.h
include/aout/dynix3.h
include/aout/encap.h
include/aout/host.h
include/aout/hp.h
include/aout/hp300hpux.h
include/aout/hppa.h
include/aout/ranlib.h
include/aout/reloc.h
include/aout/stab.def
include/aout/stab_gnu.h
include/aout/sun4.h
include/bfdlink.h
include/binary-io.h
include/bout.h
include/coff/ChangeLog
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include/coff/alpha.h
include/coff/apollo.h
include/coff/arm.h
include/coff/aux-coff.h
include/coff/ecoff.h
include/coff/external.h
include/coff/go32exe.h
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include/coff/i386.h
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include/coff/internal.h
include/coff/m68k.h
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include/coff/maxq.h
include/coff/mcore.h
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include/demangle.h
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include/elf/ChangeLog
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include/elf/xtensa.h
include/fibheap.h
include/filenames.h
include/floatformat.h
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include/fopen-bin.h
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include/fopen-vms.h
include/gdb/ChangeLog
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include/opcode/ChangeLog
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include/opcode/cgen-bitset.h
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include/opcode/convex.h
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include/opcode/maxq.h
include/opcode/mips.h
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include/opcode/mn10200.h
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include/opcode/moxie.h
include/opcode/msp430.h
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include/opcode/pn.h
include/opcode/ppc.h
include/opcode/pyr.h
include/opcode/s390.h
include/opcode/score-datadep.h
include/opcode/score-inst.h
include/opcode/sparc.h
include/opcode/spu-insns.h
include/opcode/spu.h
include/opcode/tahoe.h
include/opcode/tic30.h
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include/opcode/v850.h
include/opcode/vax.h
include/os9k.h
include/partition.h
include/plugin-api.h
include/progress.h
include/safe-ctype.h
include/sha1.h
include/sort.h
include/splay-tree.h
include/symcat.h
include/xregex.h
include/xregex2.h
include/xtensa-config.h
include/xtensa-isa-internal.h
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texinfo/texinfo.tex
Diffstat (limited to 'include/floatformat.h')
-rw-r--r-- | include/floatformat.h | 149 |
1 files changed, 0 insertions, 149 deletions
diff --git a/include/floatformat.h b/include/floatformat.h deleted file mode 100644 index c5f60a3cd..000000000 --- a/include/floatformat.h +++ /dev/null @@ -1,149 +0,0 @@ -/* 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); - - /* Is the format actually the sum of two smaller floating point - formats (IBM long double, as described in - gcc/config/rs6000/darwin-ldouble-format)? If so, this is the - smaller format in question, and the fields sign_start through - intbit describe the first half. If not, this is NULL. */ - const struct floatformat *split_half; -}; - -/* 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; -/* IBM long double (double+double). */ -extern const struct floatformat floatformat_ibm_long_double; - -/* 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) */ |