X-Git-Url: https://git.hcoop.net/bpt/emacs.git/blobdiff_plain/3b7ad313e0d7b351c55cf999474b61cdc18ecad1..9250c1e82544edcc8bf62ec9a5149e575fa3c73f:/src/w32heap.h diff --git a/src/w32heap.h b/src/w32heap.h index b3c01d3a97..fdd4ece563 100644 --- a/src/w32heap.h +++ b/src/w32heap.h @@ -1,12 +1,13 @@ /* Heap management routines (including unexec) for GNU Emacs on Windows NT. - Copyright (C) 1994 Free Software Foundation, Inc. + Copyright (C) 1994, 2001, 2002, 2003, 2004, 2005, + 2006, 2007, 2008, 2009 Free Software Foundation, Inc. This file is part of GNU Emacs. -GNU Emacs is free software; you can redistribute it and/or modify +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. +the Free Software Foundation, either version 3 of the License, 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 @@ -14,9 +15,7 @@ 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. +along with GNU Emacs. If not, see . Geoff Voelker (voelker@cs.washington.edu) 7-29-94 */ @@ -26,6 +25,9 @@ Boston, MA 02111-1307, USA. #include +#define ROUND_UP(p, align) (((DWORD)(p) + (align)-1) & ~((align)-1)) +#define ROUND_DOWN(p, align) ((DWORD)(p) & ~((align)-1)) + /* * Heap related stuff. */ @@ -36,38 +38,61 @@ Boston, MA 02111-1307, USA. #define get_page_size() sysinfo_cache.dwPageSize #define get_allocation_unit() sysinfo_cache.dwAllocationGranularity #define get_processor_type() sysinfo_cache.dwProcessorType -#define get_nt_major_version() nt_major_version -#define get_nt_minor_version() nt_minor_version +#define get_w32_major_version() w32_major_version +#define get_w32_minor_version() w32_minor_version extern unsigned char *get_data_start(); extern unsigned char *get_data_end(); -extern unsigned long data_region_size; extern unsigned long reserved_heap_size; extern SYSTEM_INFO sysinfo_cache; -extern BOOL need_to_recreate_heap; -extern int nt_major_version; -extern int nt_minor_version; +extern OSVERSIONINFO osinfo_cache; +extern BOOL using_dynamic_heap; +extern int w32_major_version; +extern int w32_minor_version; +extern int w32_build_number; + +enum { + OS_WIN95 = 1, + OS_NT +}; + +extern int os_subtype; /* Emulation of Unix sbrk(). */ extern void *sbrk (unsigned long size); -/* Recreate the heap created during dumping. */ -extern void recreate_heap (char *executable_path); +/* Initialize heap structures for sbrk on startup. */ +extern void init_heap (); /* Round the heap to this size. */ extern void round_heap (unsigned long size); -/* Load in the dumped .bss section. */ -extern void read_in_bss (char *name); - -/* Map in the dumped heap. */ -extern void map_in_heap (char *name); - /* Cache system info, e.g., the NT page size. */ extern void cache_system_info (void); -/* Round ADDRESS up to be aligned with ALIGN. */ -extern unsigned char *round_to_next (unsigned char *address, - unsigned long align); +/* ----------------------------------------------------------------- */ +/* Useful routines for manipulating memory-mapped files. */ + +typedef struct file_data { + char *name; + unsigned long size; + HANDLE file; + HANDLE file_mapping; + unsigned char *file_base; +} file_data; + +int open_input_file (file_data *p_file, char *name); +int open_output_file (file_data *p_file, char *name, unsigned long size); +void close_file_data (file_data *p_file); + +/* Return pointer to section header for named section. */ +IMAGE_SECTION_HEADER * find_section (char * name, IMAGE_NT_HEADERS * nt_header); + +/* Return pointer to section header for section containing the given + relative virtual address. */ +IMAGE_SECTION_HEADER * rva_to_section (DWORD rva, IMAGE_NT_HEADERS * nt_header); #endif /* NTHEAP_H_ */ + +/* arch-tag: 3ba4cbe1-8a09-4a41-8f37-fd31f7426b3c + (do not change this comment) */