diff options
Diffstat (limited to 'ld/obj.h')
| -rw-r--r-- | ld/obj.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/ld/obj.h b/ld/obj.h new file mode 100644 index 0000000..e0a52dc --- /dev/null +++ b/ld/obj.h @@ -0,0 +1,54 @@ +/* obj.h - constants for Introl object modules */ + +/* Copyright (C) 1994 Bruce Evans */ + +#define OBJ_H + +#ifdef I80386 +# define LONG_OFFSETS /* others can use this, but wasteful */ +#endif + +#ifndef OMAGIC +# ifdef I80386 +# define OMAGIC 0x86A3 +# endif + +# ifdef I8086 +# define OMAGIC 0x86A0 +# endif + +# ifdef MC6809 +# define OMAGIC 0x5331 +# endif +#endif + +#ifdef LONG_OFFSETS +# define cntooffset cnu4 +# define offtocn u4cn +#else +# define cntooffset cnu2 +# define offtocn u2cn +#endif + +#ifdef MC6809 /* temp don't support alignment at all */ +# define roundup( num, boundary, type ) (num) +#else +# define roundup( num, boundary, type ) \ + (((num) + ((boundary) - 1)) & (type) ~((boundary) - 1)) +#endif + +#define MAX_OFFSET_SIZE 4 +#define NSEG 16 + +/* flag values |SZ|LXXXX|N|E|I|R|A|SEGM|, X not used */ + +#define A_MASK 0x0010 /* absolute */ +#define C_MASK 0x0020 /* common (internal only) */ +#define E_MASK 0x0080 /* exported */ +#define I_MASK 0x0040 /* imported */ +#define N_MASK 0x0100 /* entry point */ +#define R_MASK 0x0020 /* relative (in text only) */ +#define SEGM_MASK 0x000F /* segment (if not absolute) */ +#define SA_MASK 0x2000 /* offset is storage allocation */ +#define SZ_MASK 0xC000 /* size descriptor for value */ +#define SZ_SHIFT 14 |