wok: 1a5b7ae238cf linld/stuff/src/CRTL.H

wok view linld/stuff/src/CRTL.H @ rev 20665

program name is now sc-im

line source

1 // This file is distributed under GPL

3 // Bare bones of C runtime library

5 #define MK_FP(seg,ofs) ((void _seg *)(seg) + (void near *)(ofs))

6 #define FP_SEG(fp) ((unsigned) (void _seg*) (void far*)(fp))

7 #define FP_OFF(fp) ((unsigned) (fp))

8 #define NULL 0

10 const unsigned MIN_STACK = 0x400;

11 const unsigned MAX_MALLOC = 0xF000;

13 const char O_RDONLY = 0; // for open()

14 const char O_BINARY = 0;

16 extern char text_start; extern char text_end;

17 extern char data_start; extern char data_end;

18 extern char bss_start; extern char bss_end;

19 extern char* heap_top;

20 extern char xfer_buf[4096];

22 void parse_cmdline();

23 extern _fastcall void strcatb(const char* a,const char* b);

24 extern _fastcall int strhead(const char* a,const char* head);

25 extern _fastcall int fileexist(const char* name);

26 //extern "C" int open(const char* name, int flags);

27 extern _fastcall int open(const char* name);

28 extern _fastcall int close(int fd);

29 extern _fastcall int read(int fd, void* data, int sz);

30 extern _fastcall long lseekcur(int fd, int whence);

31 extern _fastcall int puts(const char* s);

32 extern pascal unsigned long strtol(const char *s);

34 // Extensions

35 #define cli() do { asm { cli } } while(0)

36 #define sti() do { asm { sti } } while(0)

37 #define int3() do { asm { db 0cch } } while(0)

38 #define nop() do { asm { db 90h } } while(0)

39 extern char no_exit;

40 extern _fastcall int die(const char* msg);

41 //extern "C" char* malloc_or_die(unsigned size);

42 //extern "C" unsigned long* malloc_bufv_or_die(struct image_himem *m);

43 extern _fastcall int malloc_or_die(unsigned size);

44 extern _fastcall int malloc_bufv_or_die(struct image_himem *m);

45 extern _fastcall void set_cmdline(const char *filename);