diff options
author | Geoff Voelker <voelker@cs.washington.edu> | 1997-09-03 00:52:12 +0000 |
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committer | Geoff Voelker <voelker@cs.washington.edu> | 1997-09-03 00:52:12 +0000 |
commit | 2304ee4a1c44513126c73a614bf4b6789063cf39 (patch) | |
tree | b3a60d10d71360622d4e82cd319264856e77f243 /src | |
parent | ed716314c07c304978b8c900e86c0c42a806bc02 (diff) | |
download | emacs-2304ee4a1c44513126c73a614bf4b6789063cf39.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')
-rw-r--r-- | src/w32heap.h | 40 |
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_ */ |