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authorRichard M. Stallman <rms@gnu.org>1995-03-24 05:18:06 +0000
committerRichard M. Stallman <rms@gnu.org>1995-03-24 05:18:06 +0000
commitbf40a97ffabe6da22a0f05147b9001a3f2a17112 (patch)
tree2305a05c1a451c435c5651cf1a52c2e0d3d17e98 /src/m/mips-siemens.h
parent554216ad38160bb0cc900722abed2224db858f72 (diff)
downloademacs-bf40a97ffabe6da22a0f05147b9001a3f2a17112.tar.gz
(UNEXEC): Override the definition.
(LIBS_DEBUG, ORDINARY_LINK): Add #undefs. Total rewrite.
Diffstat (limited to 'src/m/mips-siemens.h')
-rw-r--r--src/m/mips-siemens.h194
1 files changed, 184 insertions, 10 deletions
diff --git a/src/m/mips-siemens.h b/src/m/mips-siemens.h
index f8eb94d807e..3ac87ae4ec9 100644
--- a/src/m/mips-siemens.h
+++ b/src/m/mips-siemens.h
@@ -1,21 +1,195 @@
-#include "pyramid.h"
+/* m- file for Mips machines.
+ Copyright (C) 1987, 1992, 1993, 1995 Free Software Foundation, Inc.
+ This file contains some changes for our SVR4 based SINIX-Mips 5.4.
+ I hope this is helpful to port the emacs to our RM?00 series and
+ maybe to the DC/OSx (Mips-based) machines of Pyramid Inc.
+ (Marco.Walther@mch.sni.de)
-/* Don't use the ordinary -g for debugging in cc */
+This file is part of GNU Emacs.
-#undef C_DEBUG_SWITCH
-#define C_DEBUG_SWITCH -g
+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.
-/* This system uses a slightly nonstandard variant of elf format. */
-#undef UNEXEC
-#define UNEXEC unexelf.o
-#define ELF_BSS_SECTION_NAME ".sbss"
+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 GNU Emacs; see the file COPYING. If not, write to
+the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+
+/* The following line tells the configuration script what sort of
+ operating system this machine is likely to run.
+ USUAL-OPSYS="note"
+
+NOTE-START
+Use m-mips4.h for RISCOS version 4; use s-bsd4-3.h with the BSD world.
+Note that the proper m- file for the Decstation is m-pmax.h.
+This is the m- file for SNI RM*00 machines. Use s- sinix5-4.h file!
+With this the file mips-siemens.h is obsolete.
+NOTE-END */
+
+/* The following three symbols give information on
+ the size of various data types. */
-#define BSTRING
+#define SHORTBITS 16 /* Number of bits in a short */
+
+#define INTBITS 32 /* Number of bits in an int */
+
+#define LONGBITS 32 /* Number of bits in a long */
+
+/* Define BIG_ENDIAN iff lowest-numbered byte in a word
+ is the most significant byte. */
+
+#define BIG_ENDIAN
+
+/* Define NO_ARG_ARRAY if you cannot take the address of the first of a
+ * group of arguments and treat it as an array of the arguments. */
#define NO_ARG_ARRAY
-#undef BROKEN_FIONREAD
+/* Define WORD_MACHINE if addresses and such have
+ * to be corrected before they can be used as byte counts. */
+
+#undef WORD_MACHINE
+
+/* Define how to take a char and sign-extend into an int.
+ On machines where char is signed, this is a no-op. */
+
+#define SIGN_EXTEND_CHAR(c) ((signed char)(c))
+
+/* Now define a symbol for the cpu type, if your compiler
+ does not define it automatically:
+ Ones defined so far include vax, m68000, ns16000, pyramid,
+ orion, tahoe, APOLLO and many others */
+#ifndef mips
+# define mips
+#endif
+
+/* Use type int rather than a union, to represent Lisp_Object */
+/* This is desirable for most machines. */
+
+#define NO_UNION_TYPE
+
+/* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend
+ the 24-bit bit field into an int. In other words, if bit fields
+ are always unsigned.
+
+ If you use NO_UNION_TYPE, this flag does not matter. */
+
+#define EXPLICIT_SIGN_EXTEND
+
+/* 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 / 256.0)
+/* CDC EP/IX 1.4.3 uses /unix */
+
+#undef KERNEL_FILE
+#define KERNEL_FILE "/unix"
+
+/* Define CANNOT_DUMP on machines where unexec does not work.
+ Then the function dump-emacs will not be defined
+ and temacs will do (load "loadup") automatically unless told otherwise. */
+
+#undef CANNOT_DUMP
+
+/* Define VIRT_ADDR_VARIES if the virtual addresses of
+ pure and impure space as loaded can vary, and even their
+ relative order cannot be relied on.
+
+ Otherwise Emacs assumes that text space precedes data space,
+ numerically. */
+
+/* #define VIRT_ADDR_VARIES */
+
+/* Define C_ALLOCA if this machine does not support a true alloca
+ and the one written in C should be used instead.
+ Define HAVE_ALLOCA to say that the system provides a properly
+ working alloca function and it should be used.
+ Define neither one if an assembler-language alloca
+ in the file alloca.s should be used. */
+
+#ifdef __GNUC__
+#define HAVE_ALLOCA
+#else
#define C_ALLOCA
+#endif
+
+/* Define NO_REMAP if memory segmentation makes it not work well
+ to change the boundary between the text section and data section
+ when Emacs is dumped. If you define this, the preloaded Lisp
+ code will not be sharable; but that's better than failing completely. */
+
+#define NO_REMAP
+
+/* Describe layout of the address space in an executing process. */
+/* MARCO ???
+*/
+#define TEXT_START 0x400000
+/*
+#define DATA_START 0x10000000
+#define DATA_SEG_BITS 0x10000000
+*/
+#ifdef UNEXEC
+#undef UNEXEC
+#endif
+#define UNEXEC unexelfsni.o
+
+#undef ORDINARY_LINK
+
+#undef LIBS_DEBUG
+
+/* Alter some of the options used when linking. */
+
+#define LIBS_MACHINE -lmld
+#define START_FILES pre-crt0.o /usr/ccs/lib/crt1.o /usr/ccs/lib/crti.o /usr/ccs/lib/values-Xt.o
+
+#ifdef LIB_STANDARD
+#undef LIB_STANDARD
+#endif
+#define LIB_STANDARD -lc /usr/ccs/lib/crtn.o
+
+#ifdef __GNUC__
+#define C_DEBUG_SWITCH
+#define C_OPTIMIZE_SWITCH -O
+#define LD_SWITCH_MACHINE
+#else
+#define C_DEBUG_SWITCH -DSYSV
+#define C_OPTIMIZE_SWITCH -DSYSV
+#define LD_SWITCH_MACHINE
+#endif
+
+#if defined(HAVE_X_WINDOWS) && defined(HAVE_X11)
+#define HAVE_VFORK /* Graciously provided by libX.a */
+#endif
+
+
+/* The standard definitions of these macros would work ok,
+ but these are faster because the constants are short. */
+
+#define XUINT(a) (((unsigned)(a) << (INTBITS-VALBITS)) >> (INTBITS-VALBITS))
+
+#define XSET(var, type, ptr) \
+ ((var) = \
+ ((int)(type) << VALBITS) \
+ + (((unsigned) (ptr) << (INTBITS-VALBITS)) >> (INTBITS-VALBITS)))
+
+#define XSETINT(a, b) XSET(a, XTYPE(a), b)
+#define XSETUINT(a, b) XSET(a, XTYPE(a), b)
+#define XSETPNTR(a, b) XSET(a, XTYPE(a), b)
+
+#define XUNMARK(a) \
+ ((a) = \
+ (((unsigned)(a) << (INTBITS-GCTYPEBITS-VALBITS)) \
+ >> (INTBITS-GCTYPEBITS-VALBITS)))