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authorGeoff Voelker <voelker@cs.washington.edu>1997-09-03 00:52:12 +0000
committerGeoff Voelker <voelker@cs.washington.edu>1997-09-03 00:52:12 +0000
commit3443b04a0993bfc008ab7c442ccaa1fda73d513a (patch)
tree7a5cfefe5b6bf1e08b8957c0001b1fb58e3755b1 /src/w32heap.h
parent801f68b995bc026446109ac3fafd9af5f7816827 (diff)
downloademacs-3443b04a0993bfc008ab7c442ccaa1fda73d513a.tar.gz
Enumerate operating system types.
Declare extern data and functions. Move file_data struct definition here. (OFFSET_TO_RVA, RVA_TO_OFFSET, RVA_TO_PTR): New macros.
Diffstat (limited to 'src/w32heap.h')
-rw-r--r--src/w32heap.h40
1 files changed, 40 insertions, 0 deletions
diff --git a/src/w32heap.h b/src/w32heap.h
index 24ed080ff7f..d2b05ba6e7c 100644
--- a/src/w32heap.h
+++ b/src/w32heap.h
@@ -48,6 +48,13 @@ extern BOOL need_to_recreate_heap;
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);
@@ -70,4 +77,37 @@ extern void cache_system_info (void);
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_ */