#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 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 int w32_major_version;
+extern int w32_minor_version;
+
+enum {
+ OS_WIN95 = 1,
+ OS_NT
+};
+
+extern int os_subtype;
/* Emulation of Unix sbrk(). */
extern void *sbrk (unsigned long size);
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;
+
+#define OFFSET_TO_RVA(var,section) \
+ (section->VirtualAddress + ((DWORD)(var) - section->PointerToRawData))
+
+#define RVA_TO_OFFSET(var,section) \
+ (section->PointerToRawData + ((DWORD)(var) - section->VirtualAddress))
+
+#define RVA_TO_PTR(var,section,filedata) \
+ ((void *)(RVA_TO_OFFSET(var,section) + (filedata).file_base))
+
+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);
+
+unsigned long get_section_size (PIMAGE_SECTION_HEADER p_section);
+
+/* 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_ */