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$NetBSD: patch-bd,v 1.2 1999/06/04 04:15:44 mycroft Exp $
--- /dev/null Thu Jun 3 22:42:46 1999
+++ src/m/powerpc.h Thu Jun 3 23:04:00 1999
@@ -0,0 +1,156 @@
+/* machine description file For the PowerPC chip.
+ Copyright (C) 1994, 1997 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 1, 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. */
+
+/* Define WORDS_BIG_ENDIAN iff 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 */
+
+/* __powerpc__ defined automatically */
+
+
+/* Use type EMACS_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 / 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 */
+
+/* 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 HAVE_ALLOCA
+
+/* GNU malloc and the relocating allocator do not work together
+ with X. [Who wrote that?] */
+
+/* May 1995: reportedly [Rainer Schoepf <schoepf@uni-mainz.de>] both the
+ system and the gnu malloc system work with "alpha-dec-osf3.0" and
+ "alpha-dec-osf3.2". */
+
+/* May 1995: it seems to me [Morten Welinder <terra@diku.dk>] that both
+ mallocs work with "alpha-dec-osf2.0", but I daren't break anything
+ right now. Feel free to play if you want. */
+
+/* #define SYSTEM_MALLOC */
+
+/* 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
+
+/* 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.
+ */
+
+/* #define NO_SOCK_SIGIO */
+
+
+#ifdef __ELF__
+/* With ELF, make sure that all common symbols get allocated to in the
+ data section. Otherwise, the dump of temacs may miss variables in
+ the shared library that have been initialized. For example, with
+ GNU libc, __malloc_initialized would normally be resolved to the
+ shared library's .bss section, which is fatal. */
+# ifdef __GNUC__
+# define C_SWITCH_MACHINE -fno-common
+# else
+# error What gives? Fix me if DEC Unix supports ELF now.
+# endif
+#endif
+
+#if defined(__NetBSD__) || defined(__OpenBSD__)
+#define ORDINARY_LINK
+#endif
+
+#ifdef __ELF__
+#undef UNEXEC
+#define UNEXEC unexelf.o
+#endif
+
+/* On the Alpha it's best to avoid including TERMIO since struct
+ termio and struct termios are mutually incompatible. */
+#define NO_TERMIO
+
+#if defined (LINUX) || defined (__NetBSD__) || defined (__OpenBSD__)
+# define TEXT_END ({ extern int _etext; &_etext; })
+#endif
+
+#if (defined (__NetBSD__) || defined (__OpenBSD__)) && defined (__ELF__)
+#define HAVE_TEXT_START
+#endif
|
