X-Git-Url: https://code.delx.au/gnu-emacs/blobdiff_plain/f803a6b161bbcadde1b1d392034beacb8edf7708..4e186ad5f30dc95313dbb1b0dbc64c80316834aa:/src/w32heap.h

diff --git a/src/w32heap.h b/src/w32heap.h
index 2c96dc999a..1b3b815b11 100644
--- a/src/w32heap.h
+++ b/src/w32heap.h
@@ -1,21 +1,22 @@
 /* Heap management routines (including unexec) for GNU Emacs on Windows NT.
-   Copyright (C) 1994 Free Software Foundation, Inc.
+   Copyright (C) 1994, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
 
-   This file is part of GNU Emacs.
+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 2, or (at your option) any later
-   version.
+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.
 
-   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.
+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.
+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., 51 Franklin Street, Fifth Floor,
+Boston, MA 02110-1301, USA.
 
    Geoff Voelker (voelker@cs.washington.edu)			     7-29-94
 */
@@ -25,6 +26,9 @@
 
 #include <windows.h>
 
+#define ROUND_UP(p, align)   (((DWORD)(p) + (align)-1) & ~((align)-1))
+#define ROUND_DOWN(p, align) ((DWORD)(p) & ~((align)-1))
+
 /*
  * Heap related stuff.
  */
@@ -35,38 +39,61 @@
 #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) */