mirror of
https://github.com/SEPPDROID/Digital-Research-Source-Code.git
synced 2025-10-23 16:34:07 +00:00
88 lines
1.8 KiB
C
88 lines
1.8 KiB
C
/* format of a symbol entry in the main table*/
|
|
#include "machine.h"
|
|
#define SEEKREL 1 /*relative seek flag*/
|
|
|
|
#define OSTSIZE 14 /*symbol table entry length on object file*/
|
|
/* without table link*/
|
|
# define STESIZE 18 /*byte length of symbol table entry*/
|
|
struct symtab {
|
|
char name[8]; /*symbol name*/
|
|
short flags; /*bit flags*/
|
|
long vl1; /*symbol value*/
|
|
char *tlnk; /*table link*/
|
|
};
|
|
|
|
struct symtab *symptr;
|
|
|
|
/* flags for symbols*/
|
|
# define SYDF 0100000 /*defined*/
|
|
# define SYEQ 0040000 /*equated*/
|
|
# define SYGL 0020000 /*global - entry or external*/
|
|
# define SYER 0010000 /*equated register*/
|
|
# define SYXR 0004000 /*external reference*/
|
|
# define SYDA 0002000 /*DATA based relocatable*/
|
|
# define SYTX 0001000 /*TEXT based relocatable*/
|
|
# define SYBS 0000400 /*BSS based relocatable*/
|
|
|
|
struct irts {
|
|
char *irle; /*ptr to last entry in chain*/
|
|
char *irfe; /*ptr to first entry in chain*/
|
|
};
|
|
|
|
|
|
#ifdef VAX
|
|
struct {
|
|
short loword;
|
|
short hiword;
|
|
};
|
|
#endif
|
|
#ifdef PDP11
|
|
struct {
|
|
short loword;
|
|
short hiword;
|
|
};
|
|
#endif
|
|
#ifdef MC68000
|
|
struct {
|
|
short hiword;
|
|
short loword;
|
|
};
|
|
#endif
|
|
#ifdef VAX
|
|
struct {
|
|
char lobyte;
|
|
char hibyte;
|
|
};
|
|
#endif
|
|
#ifdef PDP11
|
|
struct {
|
|
char lobyte;
|
|
char hibyte;
|
|
};
|
|
#endif
|
|
#ifdef MC68000
|
|
struct {
|
|
char hibyte;
|
|
char lobyte;
|
|
};
|
|
#endif
|
|
/* relocation bit definitions:*/
|
|
#define RBMASK 07 /*tells type of relocation*/
|
|
#define INSABS 7 /*first word of instr -- absolute*/
|
|
#define DABS 0 /*data word absolute*/
|
|
#define TRELOC 2 /* TEXT relocatable*/
|
|
#define DRELOC 1 /* DATA relocatable*/
|
|
#define BRELOC 3 /* BSS relocatable*/
|
|
#define EXTVAR 4 /* ref to external variable*/
|
|
#define LUPPER 5 /* upper word of long*/
|
|
|
|
struct buf{
|
|
int fildes;
|
|
int nunused;
|
|
char *xfree;
|
|
char buff[512];
|
|
};
|
|
|
|
struct buf ibuf={0};
|
|
char *ifilname=0;
|