home *** CD-ROM | disk | FTP | other *** search
- /* How much read-only Lisp storage a dumped Emacs needs.
- Copyright (C) 1993 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, 675 Mass Ave, Cambridge, MA 02139, USA. */
-
- /* # 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. */
-
- #ifndef PURESIZE
- #ifdef MULTI_FRAME
- #define PURESIZE 205000
- #else
- #define PURESIZE 190000
- #endif
- #endif
-
- #ifdef VIRT_ADDR_VARIES
-
- /* For machines like APOLLO where text and data can go anywhere
- in virtual memory. */
- #define CHECK_IMPURE(obj) \
- { extern int pure[]; \
- if ((PNTR_COMPARISON_TYPE) XPNTR (obj) < (PNTR_COMPARISON_TYPE) ((char *) pure + PURESIZE) \
- && (PNTR_COMPARISON_TYPE) XPNTR (obj) >= (PNTR_COMPARISON_TYPE) pure) \
- pure_write_error (); }
-
- #else /* not VIRT_ADDR_VARIES */
- #ifdef PNTR_COMPARISON_TYPE
-
- /* when PNTR_COMPARISON_TYPE is not the default (unsigned int) */
- #define CHECK_IMPURE(obj) \
- { extern int my_edata; \
- if ((PNTR_COMPARISON_TYPE) XPNTR (obj) < (PNTR_COMPARISON_TYPE) &my_edata) \
- pure_write_error (); }
-
- #else /* not VIRT_ADDRESS_VARIES, not PNTR_COMPARISON_TYPE */
-
- #define CHECK_IMPURE(obj) \
- { extern int my_edata; \
- if (XPNTR (obj) < (unsigned int) &my_edata) \
- pure_write_error (); }
-
- #endif /* PNTR_COMPARISON_TYPE */
- #endif /* VIRT_ADDRESS_VARIES */
-
-