/* 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.
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.
+the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+Boston, MA 02110-1301, USA.
Geoff Voelker (voelker@cs.washington.edu) 7-29-94
*/
#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.
*/
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 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) */