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/* machine description file for AMD x86-64.
Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
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 3 of the License, 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. If not, see <http://www.gnu.org/licenses/>. */
#ifdef i386
/* Although we're running on an amd64 kernel, we're actually compiling for
the x86 architecture. The user should probably have provided an
explicit --build to `configure', but if everything else than the kernel
is running in i386 mode, then the bug is really ours: we should have
guessed better. */
#include "m/intel386.h"
#else
/* 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 WORDS_BIG_ENDIAN if lowest-numbered byte in a word
is the most significant byte. */
#undef WORDS_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
/* 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. */
/* Define the type to use. */
#define EMACS_INT long
#define EMACS_UINT unsigned long
/* 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.
This flag only matters if you use USE_LISP_UNION_TYPE. */
#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 XPNTR to avoid or'ing with DATA_SEG_BITS */
#undef DATA_SEG_BITS
#ifdef __FreeBSD__
/* The libraries for binaries native to the build host's architecture are
installed under /usr/lib in FreeBSD, and the ones that need special paths
are 32-bit compatibility libraries (installed under /usr/lib32). To build
a native binary of Emacs on FreeBSD/amd64 we can just point to /usr/lib. */
#undef START_FILES
#define START_FILES pre-crt0.o $(CRT_DIR)/crt1.o $(CRT_DIR)/crti.o
/* The duplicate -lgcc is intentional in the definition of LIB_STANDARD.
The reason is that some functions in libgcc.a call functions from libc.a,
and some libc.a functions need functions from libgcc.a. Since most
versions of ld are one-pass linkers, we need to mention -lgcc twice,
or else we risk getting unresolved externals. */
#undef LIB_STANDARD
#define LIB_STANDARD -lgcc -lc -lgcc $(CRT_DIR)/crtn.o
#elif defined(__OpenBSD__)
#undef START_FILES
#define START_FILES pre-crt0.o $(CRT_DIR)/crt0.o $(CRT_DIR)/crtbegin.o
#undef LIB_STANDARD
#define LIB_STANDARD -lgcc -lc -lgcc $(CRT_DIR)/crtend.o
#elif defined(__NetBSD__)
/* LIB_STANDARD and START_FILES set correctly in s/netbsd.h */
#elif defined(SOLARIS2)
#undef START_FILES
#undef LIB_STANDARD
#elif defined(__APPLE__)
/* LIB_STANDARD and START_FILES set correctly in s/darwin.h */
#else /* !__OpenBSD__ && !__FreeBSD__ && !__NetBSD__ && !SOLARIS2
&& !__APPLE__ */
/* The duplicate -lgcc is intentional in the definition of LIB_STANDARD.
The reason is that some functions in libgcc.a call functions from libc.a,
and some libc.a functions need functions from libgcc.a. Since most
versions of ld are one-pass linkers, we need to mention -lgcc twice,
or else we risk getting unresolved externals. */
#undef START_FILES
#undef LIB_STANDARD
#define START_FILES pre-crt0.o $(CRT_DIR)/crt1.o $(CRT_DIR)/crti.o
#define LIB_STANDARD -lgcc -lc -lgcc $(CRT_DIR)/crtn.o
#endif /* __FreeBSD__ */
#endif /* !i386 */
/* arch-tag: 8a5e001d-e12e-4692-a3a6-0b15ba271c6e
(do not change this comment) */
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