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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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