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Convert C (un)signed long long values to bignums properly. This patch also does the following: - Uses make_fixnum instead of make_integer when the argument is guaranteed to be in the fixnum range. - Introduces make_unsigned_integer so that we handle unsigned values with the high bit set correctly. - Introduces conversions between bignums and (un)signed long long values. - Uses mp_set_memory_functions with the BSD MP code, if it exists. - Eliminates some unnecessary consing in the Lisp + and * implementations. - Fixes a problem with check_valid_xbm_inline(). This function is called during intialization. It calls Ftimes. When using pdump, this is a problem, because (a) the bignum code is not initialized until *after* dumping, so we don't try to dump any bignums, and (b) multiplication of integers is done inside bignums so we handle fixnum overflow correctly. I decided that an XBM file with dimensions that don't fit into fixnums is probably not something we want to try to handle anyway, and did the arithmetic with C values instead of Lisp values. Doing that broke one test, which started getting a different error message from the one it expected, so I adjusted the test to match the new reality. - Fixes a few miscellaneous bugs in the BSD MP code. See <CAHCOHQk0u0=eD1fUMHTNWi2Yh=1WgiYyCXdMbsGzHBNhdqYz4w@mail.gmail.com> in xemacs-patches, as well as followup messages.
author Jerry James <james@xemacs.org>
date Mon, 17 Jun 2013 10:23:00 -0600
parents 1f0b15040456
children
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/* machine description file for Sun 4 SPARC.
   Copyright (C) 1987, 1994 Free Software Foundation, Inc.

This file is part of XEmacs.

XEmacs 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 3 of the License, or (at your
option) any later version.

XEmacs 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 XEmacs.  If not, see <http://www.gnu.org/licenses/>. */

/* Synched up with: FSF 19.31. */

/* The following line tells the configuration script what sort of 
   operating system this machine is likely to run.
   USUAL-OPSYS="note"

NOTE-START
Use -opsystem=sunos4 for operating system version 4, and
-opsystem=bsd4-2 for earlier versions.
NOTE-END  */

/* XEmacs change */
/* Say this machine is a sparc if we are not generating the Makefiles.
   In that case say we are a SPARC.  Otherwise people who have sparc
   in a path will not be happy. */

#ifdef NOT_C_CODE
# define SPARC
#else
# ifndef sparc
#  define sparc
# endif
#endif

/* Mask for address bits within a memory segment */

#define SEGMENT_MASK (SEGSIZ - 1)

#if ! defined (__NetBSD__) && ! defined (__linux__) && !defined (__OpenBSD__)
/* This really belongs in s/sun.h.  */

#ifdef ENABLE_SM_FILE_DECLS_OF_LOADAVG_STUFF

/* Data type of load average, as read out of kmem.  */

#define LOAD_AVE_TYPE long

/* Convert that into an integer that is 100 for a load average of 1.0  */

#define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0 / FSCALE)

#endif /* ENABLE_SM_FILE_DECLS_OF_LOADAVG_STUFF */

/* Say that the text segment of a.out includes the header;
   the header actually occupies the first few bytes of the text segment
   and is counted in hdr.a_text.  */

#define A_TEXT_OFFSET(HDR) sizeof (HDR)

/* This is the offset of the executable's text, from the start of the file.  */

#define A_TEXT_SEEK(HDR) (N_TXTOFF (hdr) + sizeof (hdr))

#endif /* not Linux or NetBSD or OpenBSD */