HCoop / bpt / emacs.git / blame
| Commit | Line | Data |
|---|---|---|
| 95ed0025 | 1 | /* Heap management routines (including unexec) for GNU Emacs on Windows NT. |
| 429ab54e | 2 | Copyright (C) 1994, 2001, 2002, 2003, 2004, 2005, |
| 114f9c96 | 3 | 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc. |
| 95ed0025 | 4 | |
| 3b7ad313 EN |
5 | This file is part of GNU Emacs. |
| 6 | ||
| b9b1cc14 | 7 | GNU Emacs is free software: you can redistribute it and/or modify |
| 3b7ad313 | 8 | it under the terms of the GNU General Public License as published by |
| b9b1cc14 GM |
9 | the Free Software Foundation, either version 3 of the License, or |
| 10 | (at your option) any later version. | |
| 3b7ad313 EN |
11 | |
| 12 | GNU Emacs is distributed in the hope that it will be useful, | |
| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 15 | GNU General Public License for more details. | |
| 16 | ||
| 17 | You should have received a copy of the GNU General Public License | |
| ebff94f0 | 18 | along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. |
| 95ed0025 RS |
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 | ||
| a5352d98 AI |
28 | #define ROUND_UP(p, align) (((DWORD)(p) + (align)-1) & ~((align)-1)) |
| 29 | #define ROUND_DOWN(p, align) ((DWORD)(p) & ~((align)-1)) | |
| 30 | ||
| 95ed0025 RS |
31 | /* |
| 32 | * Heap related stuff. | |
| 33 | */ | |
| f803a6b1 | 34 | #define get_reserved_heap_size() reserved_heap_size |
| 95ed0025 RS |
35 | #define get_committed_heap_size() (get_data_end () - get_data_start ()) |
| 36 | #define get_heap_start() get_data_start () | |
| 37 | #define get_heap_end() get_data_end () | |
| 38 | #define get_page_size() sysinfo_cache.dwPageSize | |
| 39 | #define get_allocation_unit() sysinfo_cache.dwAllocationGranularity | |
| 40 | #define get_processor_type() sysinfo_cache.dwProcessorType | |
| fbd6baed GV |
41 | #define get_w32_major_version() w32_major_version |
| 42 | #define get_w32_minor_version() w32_minor_version | |
| 95ed0025 | 43 | |
| 361358ea JB |
44 | extern unsigned char *get_data_start (void); |
| 45 | extern unsigned char *get_data_end (void); | |
| f803a6b1 | 46 | extern unsigned long reserved_heap_size; |
| 95ed0025 | 47 | extern SYSTEM_INFO sysinfo_cache; |
| 354350d5 | 48 | extern OSVERSIONINFO osinfo_cache; |
| a5352d98 | 49 | extern BOOL using_dynamic_heap; |
| fbd6baed GV |
50 | extern int w32_major_version; |
| 51 | extern int w32_minor_version; | |
| 0ae88b4d | 52 | extern int w32_build_number; |
| 95ed0025 | 53 | |
| 3443b04a GV |
54 | enum { |
| 55 | OS_WIN95 = 1, | |
| 56 | OS_NT | |
| 57 | }; | |
| 58 | ||
| 59 | extern int os_subtype; | |
| 60 | ||
| 95ed0025 RS |
61 | /* Emulation of Unix sbrk(). */ |
| 62 | extern void *sbrk (unsigned long size); | |
| 63 | ||
| a5352d98 | 64 | /* Initialize heap structures for sbrk on startup. */ |
| 361358ea | 65 | extern void init_heap (void); |
| 95ed0025 RS |
66 | |
| 67 | /* Round the heap to this size. */ | |
| 68 | extern void round_heap (unsigned long size); | |
| 69 | ||
| 95ed0025 RS |
70 | /* Cache system info, e.g., the NT page size. */ |
| 71 | extern void cache_system_info (void); | |
| 72 | ||
| 3443b04a GV |
73 | /* ----------------------------------------------------------------- */ |
| 74 | /* Useful routines for manipulating memory-mapped files. */ | |
| 75 | ||
| 76 | typedef struct file_data { | |
| 77 | char *name; | |
| 78 | unsigned long size; | |
| 79 | HANDLE file; | |
| 80 | HANDLE file_mapping; | |
| 81 | unsigned char *file_base; | |
| 82 | } file_data; | |
| 83 | ||
| 3443b04a GV |
84 | int open_input_file (file_data *p_file, char *name); |
| 85 | int open_output_file (file_data *p_file, char *name, unsigned long size); | |
| 86 | void close_file_data (file_data *p_file); | |
| 87 | ||
| 3443b04a GV |
88 | /* Return pointer to section header for named section. */ |
| 89 | IMAGE_SECTION_HEADER * find_section (char * name, IMAGE_NT_HEADERS * nt_header); | |
| 90 | ||
| 91 | /* Return pointer to section header for section containing the given | |
| 92 | relative virtual address. */ | |
| 93 | IMAGE_SECTION_HEADER * rva_to_section (DWORD rva, IMAGE_NT_HEADERS * nt_header); | |
| 94 | ||
| 95ed0025 | 95 | #endif /* NTHEAP_H_ */ |
| ab5796a9 MB |
96 | |
| 97 | /* arch-tag: 3ba4cbe1-8a09-4a41-8f37-fd31f7426b3c | |
| 98 | (do not change this comment) */ |