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(UNEXEC): Override the definition.
(LIBS_DEBUG, ORDINARY_LINK): Add #undefs. Total rewrite.
This commit is contained in:
Richard M. Stallman
parent
554216ad38
commit
bf40a97ffa
1 changed files with 184 additions and 10 deletions
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@ -1,21 +1,195 @@
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#include "pyramid.h"
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/* m- file for Mips machines.
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Copyright (C) 1987, 1992, 1993, 1995 Free Software Foundation, Inc.
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This file contains some changes for our SVR4 based SINIX-Mips 5.4.
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I hope this is helpful to port the emacs to our RM?00 series and
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maybe to the DC/OSx (Mips-based) machines of Pyramid Inc.
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(Marco.Walther@mch.sni.de)
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This file is part of GNU Emacs.
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GNU Emacs is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Emacs is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Emacs; see the file COPYING. If not, write to
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the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
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/* Don't use the ordinary -g for debugging in cc */
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/* The following line tells the configuration script what sort of
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operating system this machine is likely to run.
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USUAL-OPSYS="note"
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#undef C_DEBUG_SWITCH
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#define C_DEBUG_SWITCH -g
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NOTE-START
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Use m-mips4.h for RISCOS version 4; use s-bsd4-3.h with the BSD world.
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Note that the proper m- file for the Decstation is m-pmax.h.
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This is the m- file for SNI RM*00 machines. Use s- sinix5-4.h file!
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With this the file mips-siemens.h is obsolete.
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NOTE-END */
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/* This system uses a slightly nonstandard variant of elf format. */
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#undef UNEXEC
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#define UNEXEC unexelf.o
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#define ELF_BSS_SECTION_NAME ".sbss"
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/* The following three symbols give information on
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the size of various data types. */
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#define BSTRING
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#define SHORTBITS 16 /* Number of bits in a short */
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#define INTBITS 32 /* Number of bits in an int */
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#define LONGBITS 32 /* Number of bits in a long */
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/* Define BIG_ENDIAN iff lowest-numbered byte in a word
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is the most significant byte. */
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#define BIG_ENDIAN
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/* Define NO_ARG_ARRAY if you cannot take the address of the first of a
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* group of arguments and treat it as an array of the arguments. */
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#define NO_ARG_ARRAY
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#undef BROKEN_FIONREAD
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/* Define WORD_MACHINE if addresses and such have
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* to be corrected before they can be used as byte counts. */
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#undef WORD_MACHINE
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/* Define how to take a char and sign-extend into an int.
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On machines where char is signed, this is a no-op. */
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#define SIGN_EXTEND_CHAR(c) ((signed char)(c))
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/* Now define a symbol for the cpu type, if your compiler
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does not define it automatically:
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Ones defined so far include vax, m68000, ns16000, pyramid,
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orion, tahoe, APOLLO and many others */
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#ifndef mips
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# define mips
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#endif
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/* Use type int rather than a union, to represent Lisp_Object */
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/* This is desirable for most machines. */
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#define NO_UNION_TYPE
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/* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend
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the 24-bit bit field into an int. In other words, if bit fields
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are always unsigned.
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If you use NO_UNION_TYPE, this flag does not matter. */
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#define EXPLICIT_SIGN_EXTEND
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/* Data type of load average, as read out of kmem. */
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#define LOAD_AVE_TYPE long
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/* Convert that into an integer that is 100 for a load average of 1.0 */
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#define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0 / 256.0)
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/* CDC EP/IX 1.4.3 uses /unix */
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#undef KERNEL_FILE
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#define KERNEL_FILE "/unix"
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/* Define CANNOT_DUMP on machines where unexec does not work.
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Then the function dump-emacs will not be defined
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and temacs will do (load "loadup") automatically unless told otherwise. */
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#undef CANNOT_DUMP
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/* Define VIRT_ADDR_VARIES if the virtual addresses of
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pure and impure space as loaded can vary, and even their
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relative order cannot be relied on.
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Otherwise Emacs assumes that text space precedes data space,
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numerically. */
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/* #define VIRT_ADDR_VARIES */
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/* Define C_ALLOCA if this machine does not support a true alloca
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and the one written in C should be used instead.
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Define HAVE_ALLOCA to say that the system provides a properly
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working alloca function and it should be used.
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Define neither one if an assembler-language alloca
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in the file alloca.s should be used. */
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#ifdef __GNUC__
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#define HAVE_ALLOCA
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#else
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#define C_ALLOCA
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#endif
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/* Define NO_REMAP if memory segmentation makes it not work well
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to change the boundary between the text section and data section
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when Emacs is dumped. If you define this, the preloaded Lisp
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code will not be sharable; but that's better than failing completely. */
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#define NO_REMAP
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/* Describe layout of the address space in an executing process. */
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/* MARCO ???
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*/
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#define TEXT_START 0x400000
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/*
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#define DATA_START 0x10000000
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#define DATA_SEG_BITS 0x10000000
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*/
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#ifdef UNEXEC
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#undef UNEXEC
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#endif
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#define UNEXEC unexelfsni.o
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#undef ORDINARY_LINK
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#undef LIBS_DEBUG
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/* Alter some of the options used when linking. */
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#define LIBS_MACHINE -lmld
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#define START_FILES pre-crt0.o /usr/ccs/lib/crt1.o /usr/ccs/lib/crti.o /usr/ccs/lib/values-Xt.o
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#ifdef LIB_STANDARD
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#undef LIB_STANDARD
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#endif
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#define LIB_STANDARD -lc /usr/ccs/lib/crtn.o
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#ifdef __GNUC__
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#define C_DEBUG_SWITCH
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#define C_OPTIMIZE_SWITCH -O
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#define LD_SWITCH_MACHINE
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#else
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#define C_DEBUG_SWITCH -DSYSV
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#define C_OPTIMIZE_SWITCH -DSYSV
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#define LD_SWITCH_MACHINE
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#endif
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#if defined(HAVE_X_WINDOWS) && defined(HAVE_X11)
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#define HAVE_VFORK /* Graciously provided by libX.a */
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#endif
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/* The standard definitions of these macros would work ok,
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but these are faster because the constants are short. */
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#define XUINT(a) (((unsigned)(a) << (INTBITS-VALBITS)) >> (INTBITS-VALBITS))
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#define XSET(var, type, ptr) \
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((var) = \
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((int)(type) << VALBITS) \
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+ (((unsigned) (ptr) << (INTBITS-VALBITS)) >> (INTBITS-VALBITS)))
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#define XSETINT(a, b) XSET(a, XTYPE(a), b)
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#define XSETUINT(a, b) XSET(a, XTYPE(a), b)
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#define XSETPNTR(a, b) XSET(a, XTYPE(a), b)
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#define XUNMARK(a) \
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((a) = \
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(((unsigned)(a) << (INTBITS-GCTYPEBITS-VALBITS)) \
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>> (INTBITS-GCTYPEBITS-VALBITS)))
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