$NetBSD: patch-src_m_amd64.h,v 1.3 2017/05/07 06:49:23 tsutsui Exp $ amd64 support. --- src/m/amd64.h.orig 2017-05-06 21:49:54.000000000 +0000 +++ src/m/amd64.h @@ -0,0 +1,161 @@ +/* machine description file for AMD x86-64. + Copyright (C) 2002 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 GNU Emacs; see the file COPYING. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, +Boston, MA 02111-1307, USA. */ + +/* Linux defines these in , but they can't be used in #if's */ +#undef SHORTBITS +#undef INTBITS +#undef LONGBITS + +#define SHORTBITS 16 /* Number of bits in a short */ + +#define INTBITS 32L /* Number of bits in an int */ + +#define LONGBITS 64L /* Number of bits in a long */ + +/* Define LONG_LISP_OBJECT if you define LISP_OBJECT as long. */ + +#define LONG_LISP_OBJECT + +/* Define the number of bits compose Lisp_Object. The default is 32. */ + +#define LISP_OBJECT_BITS 64 + +#define PNTR_COMPARISON_TYPE unsigned long + +/* The following line tells the configuration script what sort of + operating system this machine is likely to run. + USUAL-OPSYS="linux" */ + +#define BITS_PER_LONG 64 +#define BITS_PER_EMACS_INT 64 + +/* Define BIG_ENDIAN iff lowest-numbered byte in a word + is the most significant byte. */ + +#undef 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 + +/* Define WORD_MACHINE if addresses and such have + * to be corrected before they can be used as byte counts. */ + +/* #define 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 */ +/* __x86_64 defined automatically. */ + +/* Use type int rather than a union, to represent Lisp_Object */ +/* This is desirable for most machines. */ + +#define NO_UNION_TYPE + +/* Define the type to use. */ +#define EMACS_INT long +#define EMACS_UINT unsigned long +#define SPECIAL_EMACS_INT + +/* 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 / FSCALE) + +/* 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. */ + +/* #define 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 /* XXX */ + +/* 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. */ + +/* #define C_ALLOCA */ /* XXX */ +#define HAVE_ALLOCA + +/* 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 /* XXX */ + +#define PNTR_COMPARISON_TYPE unsigned long + +#if 0 +/* On the 64 bit architecture, we can use 60 bits for addresses */ + +#define VALBITS 60 + +/* This definition of MARKBIT is necessary because of the comparison of + ARRAY_MARK_FLAG and MARKBIT in an #if in lisp.h, which cpp doesn't like. */ + +#define MARKBIT 0x8000000000000000L + +/* Define XINT and XUINT so that they can take arguments of type int */ +#define XINT(a) (((long) (a) << (BITS_PER_LONG - VALBITS)) >> (BITS_PER_LONG - VALBITS)) +#define XUINT(a) ((long) (a) & VALMASK) +#endif + +/* Define XPNTR to avoid or'ing with DATA_SEG_BITS */ + +#define XPNTR(a) XUINT (a) + +/* Define XMARKBIT to avoid a dumb optimization using sign bit */ +#define XMARKBIT(a) ((a) & MARKBIT) + +/* #undef START_FILES */ /* XXX */ +/* #define START_FILES pre-crt0.o /usr/lib64/crt1.o /usr/lib64/crti.o */ /* XXX */ + +/* #undef LIB_STANDARD */ /* XXX */ +/* #define LIB_STANDARD -lgcc -lc -lgcc /usr/lib64/crtn.o */ /* XXX */