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[Emacs-diffs] Changes to emacs/src/puresize.h [emacs-unicode-2]
From: |
Kenichi Handa |
Subject: |
[Emacs-diffs] Changes to emacs/src/puresize.h [emacs-unicode-2] |
Date: |
Mon, 08 Sep 2003 08:49:24 -0400 |
Index: emacs/src/puresize.h
diff -c /dev/null emacs/src/puresize.h:1.68.2.1
*** /dev/null Mon Sep 8 08:49:24 2003
--- emacs/src/puresize.h Mon Sep 8 08:48:12 2003
***************
*** 0 ****
--- 1,98 ----
+ /* How much read-only Lisp storage a dumped Emacs needs.
+ Copyright (C) 1993, 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. */
+
+ /* Define PURESIZE, the number of bytes of pure Lisp code to leave space for.
+
+ At one point, this was defined in config.h, meaning that changing
+ PURESIZE would make Make recompile all of Emacs. But only a few
+ files actually use PURESIZE, so we split it out to its own .h file.
+
+ Make sure to include this file after config.h, since that tells us
+ whether we are running X windows, which tells us how much pure
+ storage to allocate. */
+
+ /* First define a measure of the amount of data we have. */
+
+ /* A system configuration file may set this to request a certain extra
+ amount of storage. This is a lot more update-robust that defining
+ BASE_PURESIZE or even PURESIZE directly. */
+ #ifndef SYSTEM_PURESIZE_EXTRA
+ #define SYSTEM_PURESIZE_EXTRA 0
+ #endif
+
+ #ifndef SITELOAD_PURESIZE_EXTRA
+ #define SITELOAD_PURESIZE_EXTRA 0
+ #endif
+
+ #ifndef BASE_PURESIZE
+ #define BASE_PURESIZE (1100000 + SYSTEM_PURESIZE_EXTRA +
SITELOAD_PURESIZE_EXTRA)
+ #endif
+
+ /* Increase BASE_PURESIZE by a ratio depending on the machine's word size. */
+ #ifndef PURESIZE_RATIO
+ #if VALBITS + GCTYPEBITS + 1 > 32
+ #define PURESIZE_RATIO 9/5 /* Don't surround with `()'. */
+ #else
+ #define PURESIZE_RATIO 1
+ #endif
+ #endif
+
+ /* This is the actual size in bytes to allocate. */
+ #ifndef PURESIZE
+ #define PURESIZE (BASE_PURESIZE * PURESIZE_RATIO)
+ #endif
+
+ /* Signal an error if OBJ is pure. */
+ #define CHECK_IMPURE(obj) \
+ { if (PURE_P (obj)) \
+ pure_write_error (); }
+
+ extern void pure_write_error P_ ((void));
+
+ /* Define PURE_P. */
+
+ #ifdef VIRT_ADDR_VARIES
+ /* For machines like APOLLO where text and data can go anywhere
+ in virtual memory. */
+
+ extern EMACS_INT pure[];
+
+ #define PURE_P(obj) \
+ ((PNTR_COMPARISON_TYPE) XPNTR (obj) < (PNTR_COMPARISON_TYPE) ((char *) pure
+ PURESIZE) \
+ && (PNTR_COMPARISON_TYPE) XPNTR (obj) >= (PNTR_COMPARISON_TYPE) pure)
+
+ #else /* not VIRT_ADDR_VARIES */
+ #ifdef PNTR_COMPARISON_TYPE
+ /* When PNTR_COMPARISON_TYPE is not the default (unsigned int). */
+
+ extern char my_edata[];
+
+ #define PURE_P(obj) \
+ ((PNTR_COMPARISON_TYPE) XPNTR (obj) < (PNTR_COMPARISON_TYPE) my_edata)
+
+ #else /* not VIRT_ADDRESS_VARIES, not PNTR_COMPARISON_TYPE */
+
+ extern char my_edata[];
+
+ #define PURE_P(obj) \
+ (XPNTR (obj) < (unsigned int) my_edata)
+
+ #endif /* PNTR_COMPARISON_TYPE */
+ #endif /* VIRT_ADDRESS_VARIES */
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Kenichi Handa <=