Mercurial > hg > xemacs-beta
diff src/m/mips-nec.h @ 321:19dcec799385 r21-0-58
Import from CVS: tag r21-0-58
author | cvs |
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date | Mon, 13 Aug 2007 10:46:44 +0200 |
parents | |
children | a86b2b5e0111 abe6d1db359e |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/m/mips-nec.h Mon Aug 13 10:46:44 2007 +0200 @@ -0,0 +1,145 @@ +/* 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) + +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 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 +With this the file mips-siemens.h is obsolete.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 */ + +/* 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 + +/* 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 +*/ + +#undef ORDINARY_LINK + +#undef LIBS_DEBUG + +/* Alter some of the options used when linking. */ + +#undef LIBS_MACHINE +/* #define LIBS_MACHINE "-lmld" */ /* mrb */ +#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