HCoop / bpt / emacs.git / blame
| Commit | Line | Data |
|---|---|---|
| 95ed0025 | 1 | /* Heap management routines (including unexec) for GNU Emacs on Windows NT. |
| ab422c4d | 2 | Copyright (C) 1994, 2001-2013 Free Software Foundation, Inc. |
| 95ed0025 | 3 | |
| 3b7ad313 EN |
4 | This file is part of GNU Emacs. |
| 5 | ||
| b9b1cc14 | 6 | GNU Emacs is free software: you can redistribute it and/or modify |
| 3b7ad313 | 7 | it under the terms of the GNU General Public License as published by |
| b9b1cc14 GM |
8 | the Free Software Foundation, either version 3 of the License, or |
| 9 | (at your option) any later version. | |
| 3b7ad313 EN |
10 | |
| 11 | GNU Emacs is distributed in the hope that it will be useful, | |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 14 | GNU General Public License for more details. | |
| 15 | ||
| 16 | You should have received a copy of the GNU General Public License | |
| ebff94f0 | 17 | along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. |
| 95ed0025 RS |
18 | |
| 19 | Geoff Voelker (voelker@cs.washington.edu) 7-29-94 | |
| 20 | */ | |
| 21 | ||
| 22 | #ifndef NTHEAP_H_ | |
| 23 | #define NTHEAP_H_ | |
| 24 | ||
| 25 | #include <windows.h> | |
| 26 | ||
| 27 | /* | |
| 28 | * Heap related stuff. | |
| 29 | */ | |
| f803a6b1 | 30 | #define get_reserved_heap_size() reserved_heap_size |
| 95ed0025 RS |
31 | #define get_committed_heap_size() (get_data_end () - get_data_start ()) |
| 32 | #define get_heap_start() get_data_start () | |
| 33 | #define get_heap_end() get_data_end () | |
| 95ed0025 | 34 | |
| 361358ea JB |
35 | extern unsigned char *get_data_start (void); |
| 36 | extern unsigned char *get_data_end (void); | |
| 62aba0d4 | 37 | extern size_t reserved_heap_size; |
| a5352d98 | 38 | extern BOOL using_dynamic_heap; |
| 3443b04a | 39 | |
| 95ed0025 | 40 | /* Emulation of Unix sbrk(). */ |
| 62aba0d4 | 41 | extern void *sbrk (ptrdiff_t size); |
| 95ed0025 | 42 | |
| a5352d98 | 43 | /* Initialize heap structures for sbrk on startup. */ |
| 361358ea | 44 | extern void init_heap (void); |
| 95ed0025 RS |
45 | |
| 46 | /* Round the heap to this size. */ | |
| 62aba0d4 | 47 | extern void round_heap (size_t size); |
| 95ed0025 | 48 | |
| 3443b04a GV |
49 | /* ----------------------------------------------------------------- */ |
| 50 | /* Useful routines for manipulating memory-mapped files. */ | |
| 51 | ||
| 52 | typedef struct file_data { | |
| 53 | char *name; | |
| 54 | unsigned long size; | |
| 55 | HANDLE file; | |
| 56 | HANDLE file_mapping; | |
| 57 | unsigned char *file_base; | |
| 58 | } file_data; | |
| 59 | ||
| 3443b04a GV |
60 | int open_input_file (file_data *p_file, char *name); |
| 61 | int open_output_file (file_data *p_file, char *name, unsigned long size); | |
| 62 | void close_file_data (file_data *p_file); | |
| 63 | ||
| 3443b04a GV |
64 | /* Return pointer to section header for named section. */ |
| 65 | IMAGE_SECTION_HEADER * find_section (char * name, IMAGE_NT_HEADERS * nt_header); | |
| 66 | ||
| 67 | /* Return pointer to section header for section containing the given | |
| 68 | relative virtual address. */ | |
| 62aba0d4 | 69 | IMAGE_SECTION_HEADER * rva_to_section (DWORD_PTR rva, IMAGE_NT_HEADERS * nt_header); |
| 3443b04a | 70 | |
| 95ed0025 | 71 | #endif /* NTHEAP_H_ */ |