-/* machine description file for IBM S390 in 64-bit mode
- Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008
- 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, 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., 51 Franklin Street, Fifth Floor,
-Boston, MA 02110-1301, USA. */
-
-/* This file was made by copying the significant parts of amdx86-64.h
- into ibms390.h. */
-
-
-/* The following line tells the configuration script what sort of
- operating system this machine is likely to run.
- USUAL-OPSYS="<name of system .h file here, without the s- or .h>"
-
-NOTE-START
-IBM s390 64 bits (-machine=ibms390x64)
-
- The possibilities for -opsystem are: gnu-linux.
-
-NOTE-END */
-
-#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. */
-
-#define 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
-
-/* Define WORD_MACHINE if addresses and such have
- * to be corrected before they can be used as byte counts. */
-
-#define WORD_MACHINE
-
-/* 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 */
-
-/* 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. */
-
-#undef 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. */
-
-#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 HAVE_ALLOCA to say that the system provides a properly
- working alloca function and it should be used. Undefine it if an
- assembler-language alloca in the file alloca.s should be used. */
-
-#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. */
-
-#undef NO_REMAP
-
-/* Some really obscure 4.2-based systems (like Sequent DYNIX)
- * do not support asynchronous I/O (using SIGIO) on sockets,
- * even though it works fine on tty's. If you have one of
- * these systems, define the following, and then use it in
- * config.h (or elsewhere) to decide when (not) to use SIGIO.
- *
- * You'd think this would go in an operating-system description file,
- * but since it only occurs on some, but not all, BSD systems, the
- * reasonable place to select for it is in the machine description
- * file.
- */
-
-#undef NO_SOCK_SIGIO
-
-
-/* After adding support for a new system, modify the large case
- statement in the `configure' script to recognize reasonable
- configuration names, and add a description of the system to
- `etc/MACHINES'.
-
- If you've just fixed a problem in an existing configuration file,
- you should also check `etc/MACHINES' to make sure its descriptions
- of known problems in that configuration should be updated. */
-
-#define PNTR_COMPARISON_TYPE unsigned long
-
-/* On the 64 bit architecture, we can use 60 bits for addresses */
-
-#define VALBITS 60
-
-#define LINKER $(CC) -nostdlib
-
-/* 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)
-
-/* Define XPNTR to avoid or'ing with DATA_SEG_BITS */
-
-#define XPNTR(a) XUINT (a)
-
-#undef START_FILES
-#ifdef HAVE_LIB64_DIR
-#define START_FILES pre-crt0.o /usr/lib64/crt1.o /usr/lib64/crti.o
-#else
-#define START_FILES pre-crt0.o /usr/lib/crt1.o /usr/lib/crti.o
-#endif
-
-#undef LIB_STANDARD
-#ifdef HAVE_LIB64_DIR
-#define LIB_STANDARD -lgcc -lc -lgcc /usr/lib64/crtn.o
-#else
-#define LIB_STANDARD -lgcc -lc -lgcc /usr/lib/crtn.o
-#endif
-
-/* arch-tag: 4b87653c-6add-4663-8691-7d9dc17b5519
- (do not change this comment) */
+/* Machine description file for IBM S390 in 64-bit mode
+
+Copyright (C) 2002-2011 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/>. */
+
+#include "ibms390.h"
+
+#define BITS_PER_LONG 64
+#define BITS_PER_EMACS_INT 64
+
+/* Define the type to use. */
+#define EMACS_INT long
+#define EMACS_UINT unsigned long
+
+/* On the 64 bit architecture, we can use 60 bits for addresses */
+#define VALBITS 60
+
+/* Define XPNTR to avoid or'ing with DATA_SEG_BITS */
+#define XPNTR(a) XUINT (a)
+
HCoop / bpt / emacs.git / blobdiff