HCoop / bpt / emacs.git / blame
| Commit | Line | Data |
|---|---|---|
| 95ed0025 RS |
1 | /* Heap management routines (including unexec) for GNU Emacs on Windows NT. |
| 2 | Copyright (C) 1994 Free Software Foundation, Inc. | |
| 3 | ||
| 4 | This file is part of GNU Emacs. | |
| 5 | ||
| 6 | GNU Emacs is free software; you can redistribute it and/or modify it | |
| 7 | under the terms of the GNU General Public License as published by the | |
| 8 | Free Software Foundation; either version 2, or (at your option) any later | |
| 9 | version. | |
| 10 | ||
| 11 | GNU Emacs is distributed in the hope that it will be useful, but WITHOUT | |
| 12 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 13 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
| 14 | more details. | |
| 15 | ||
| 16 | You should have received a copy of the GNU General Public License along | |
| 17 | with GNU Emacs; see the file COPYING. If not, write to the Free Software | |
| 18 | Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. | |
| 19 | ||
| 20 | Geoff Voelker (voelker@cs.washington.edu) 7-29-94 | |
| 21 | */ | |
| 22 | ||
| 23 | #ifndef NTHEAP_H_ | |
| 24 | #define NTHEAP_H_ | |
| 25 | ||
| 26 | #include <windows.h> | |
| 27 | ||
| 28 | /* | |
| 29 | * Heap related stuff. | |
| 30 | */ | |
| 31 | #define get_data_region_base() (char *) 0x00030000 | |
| 32 | #define get_reserved_heap_size() (0x00d00000 - 0x00030000) | |
| 33 | #define get_committed_heap_size() (get_data_end () - get_data_start ()) | |
| 34 | #define get_heap_start() get_data_start () | |
| 35 | #define get_heap_end() get_data_end () | |
| 36 | #define get_page_size() sysinfo_cache.dwPageSize | |
| 37 | #define get_allocation_unit() sysinfo_cache.dwAllocationGranularity | |
| 38 | #define get_processor_type() sysinfo_cache.dwProcessorType | |
| 39 | #define get_nt_major_version() nt_major_version | |
| 40 | #define get_nt_minor_version() nt_minor_version | |
| 41 | ||
| 42 | extern unsigned char *get_data_start(); | |
| 43 | extern unsigned char *get_data_end(); | |
| 44 | extern unsigned long data_region_size; | |
| 45 | extern SYSTEM_INFO sysinfo_cache; | |
| 46 | extern BOOL need_to_recreate_heap; | |
| 47 | extern int nt_major_version; | |
| 48 | extern int nt_minor_version; | |
| 49 | ||
| 50 | /* Emulation of Unix sbrk(). */ | |
| 51 | extern void *sbrk (unsigned long size); | |
| 52 | ||
| 53 | /* Recreate the heap created during dumping. */ | |
| 54 | extern void recreate_heap (char *executable_path); | |
| 55 | ||
| 56 | /* Round the heap to this size. */ | |
| 57 | extern void round_heap (unsigned long size); | |
| 58 | ||
| 59 | /* Load in the dumped .bss section. */ | |
| 60 | extern void read_in_bss (char *name); | |
| 61 | ||
| 62 | /* Map in the dumped heap. */ | |
| 63 | extern void map_in_heap (char *name); | |
| 64 | ||
| 65 | /* Cache system info, e.g., the NT page size. */ | |
| 66 | extern void cache_system_info (void); | |
| 67 | ||
| 68 | /* Round ADDRESS up to be aligned with ALIGN. */ | |
| 69 | extern unsigned char *round_to_next (unsigned char *address, | |
| 70 | unsigned long align); | |
| 71 | ||
| 72 | #endif /* NTHEAP_H_ */ |