view src/m/sparc.h @ 2666:7bf1f40e6acb

[xemacs-hg @ 2005-03-15 11:56:32 by crestani] * alloc.c: Dynamically allocate KKCC backtrace stack and some minor typo-fixes for KKCC functions. * alloc.c (lispdesc_indirect_count_1): Condition kkcc_backtrace on DEBUG_XEMACS. * alloc.c (kkcc_bt_init): New. * alloc.c (kkcc_bt_stack_realloc): New. * alloc.c (kkcc_bt_free): New. * alloc.c (kkcc_bt_push): If stack size is exhausted, realloc the stack. * alloc.c (kkcc_marking): Init and free backtrace stack.
author crestani
date Tue, 15 Mar 2005 11:56:35 +0000
parents abe6d1db359e
children 308d34e9f07d 861f2601a38b
line wrap: on
line source

/* machine description file for Sun 4 SPARC.
   Copyright (C) 1987, 1994 Free Software Foundation, Inc.

This file is part of GNU Emacs.

GNU Emacs 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, or (at your option)
any later version.

GNU Emacs 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; see the file COPYING.  If not, write to
the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.  */

/* 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.  */

/* 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)

/* 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 */