/* aslink.h */ /* * (C) Copyright 1989,1990 * All Rights Reserved * * Alan R. Baldwin * 721 Berkeley St. * Kent, Ohio 44240 */ /*)BUILD $(PROGRAM) = ASLINK $(INCLUDE) = ASLINK.H $(FILES) = { LKMAIN.C LKLEX.C LKAREA.C LKHEAD.C LKSYM.C LKEVAL.C LKDATA.C LKLIST.C LKRLOC.C LKS19.C LKIHX.C } $(STACK) = 2000 */ #define VERSION "V01.50" /* DECUS C void definition */ /* File/extension seperator */ #ifdef decus #define VOID char #define FSEPX '.' #endif /* PDOS C void definition */ /* File/extension seperator */ #ifdef PDOS #define VOID char #define FSEPX ':' #endif /* Default void definition */ /* File/extension seperator */ #ifndef VOID #define VOID void #define FSEPX '.' #endif /* * Case Sensitivity Flag */ #define CASE_SENSITIVE 1 /* * This file defines the format of the * relocatable binary file. */ #define NCPS 8 /* characters per symbol */ #define NDATA 16 /* actual data */ #define NINPUT 128 /* Input buffer size */ #define NHASH 64 /* Buckets in hash table */ #define HMASK 077 /* Hash mask */ #define NLPP 60 /* Lines per page */ #define NTXT 16 /* T values */ #define FILSPC 16 /* File spec length */ /* * Relocation types. */ #define R_WORD 0000 /* 16 bit */ #define R_BYTE 0001 /* 8 bit */ #define R_AREA 0000 /* Base type */ #define R_SYM 0002 #define R_NORM 0000 /* PC adjust */ #define R_PCR 0004 #define R_BYT1 0000 /* Byte count for R_BYTE = 1 */ #define R_BYT2 0010 /* Byte count for R_BYTE = 2 */ #define R_SGND 0000 /* Signed value */ #define R_USGN 0020 /* Unsigned value */ #define R_NOPAG 0000 /* Page Mode */ #define R_PAG0 0040 /* Page '0' */ #define R_PAG 0100 /* Page 'nnn' */ /* * Global symbol types. */ #define S_REF 1 /* referenced */ #define S_DEF 2 /* defined */ /* * Area types */ #define A_CON 000 /* concatenate */ #define A_OVR 004 /* overlay */ #define A_REL 000 /* relocatable */ #define A_ABS 010 /* absolute */ #define A_NOPAG 000 /* non-paged */ #define A_PAG 020 /* paged */ /* * File types */ #define F_STD 1 /* stdin */ #define F_LNK 2 /* File.lnk */ #define F_REL 3 /* File.rel */ typedef unsigned int addr_t; struct head { struct head *h_hp; /* Header link */ struct lfile *h_lfile;/* Associated file */ int h_narea; /* # of areas */ struct areax **a_list; /* Area list */ int h_nglob; /* # of global symbols */ struct sym **s_list; /* Globle symbol list */ char m_id[NCPS]; /* Module name */ }; struct area { struct area *a_ap; /* Area link */ struct areax *a_axp; /* Area extension link */ addr_t a_addr; /* Beginning address of area */ addr_t a_size; /* Total size of the area */ char a_type; /* Area subtype */ char a_flag; /* Flag byte */ char a_id[NCPS]; /* Name */ }; struct areax { struct areax *a_axp; /* Area extension link */ struct area *a_bap; /* Base area link */ struct head *a_bhp; /* Base header link */ addr_t a_addr; /* Beginning address of section */ addr_t a_size; /* Size of the area in section */ }; struct sym { struct sym *s_sp; /* Symbol link */ struct areax *s_axp; /* Symbol area link */ char s_type; /* Symbol subtype */ char s_flag; /* Flag byte */ addr_t s_addr; /* Address */ char s_id[NCPS]; /* Name */ }; struct lfile { struct lfile *f_flp; /* lfile link */ int f_type; /* File type */ char *f_idp; /* Pointer to file spec */ }; struct base { struct base *b_base; /* Base link */ char *b_strp; /* String pointer */ }; struct globl { struct globl *g_globl; /* Global link */ char *g_strp; /* String pointer */ }; struct sdp { struct area *s_area; /* Paged Area link */ struct areax *s_areax; /* Paged Area Extension Link */ addr_t s_addr; /* Page address offset */ }; struct rerr { int aindex; /* Linking area */ int mode; /* Relocation mode */ addr_t rtbase; /* Base address in section */ int rindex; /* Area/Symbol reloaction index */ addr_t rval; /* Area/Symbol offset value */ }; /* Variable definitions */ extern char *_abs_; extern char *dext; extern char *ip; extern char ib[NINPUT]; extern char ctype[]; #if CASE_SENSITIVE #else extern char ccase[]; #endif #define SPACE 0000 #define ETC 0000 #define LETTER 0001 #define DIGIT 0002 #define BINOP 0004 #define RAD2 0010 #define RAD8 0020 #define RAD10 0040 #define RAD16 0100 #define ILL 0200 #define DGT2 DIGIT|RAD16|RAD10|RAD8|RAD2 #define DGT8 DIGIT|RAD16|RAD10|RAD8 #define DGT10 DIGIT|RAD16|RAD10 #define LTR16 LETTER|RAD16 extern struct lfile *startp; extern struct lfile *linkp; extern struct lfile *lfp; extern struct lfile *filep; extern struct lfile *cfp; extern struct head *headp; extern struct head *hp; extern struct area *areap; extern struct area *ap; extern struct areax *axp; extern struct sym *symhash[NHASH]; extern struct base *basep; extern struct base *bsp; extern struct globl *globlp; extern struct globl *gsp; extern struct sdp sdp; extern struct rerr rerr; extern FILE *sfp; extern FILE *ofp; extern FILE *mfp; extern int inpfil; extern int cfile; extern int oflag; extern int sflag; extern int mflag; extern int xflag; extern int pflag; extern int radix; extern int hilo; extern int pass; extern int line; extern int page; extern int lop; extern int rtcnt; extern addr_t rtval[]; extern int rtflg[]; /* C Library function definitions */ /* for reference only extern VOID exit(); extern int fclose(); extern char * fgets(); extern FILE * fopen(); extern int fprintf(); extern VOID free(); extern VOID * malloc(); extern char putc(); extern char * strcpy(); extern int strlen(); extern char * strncpy(); */ /* Program function definitions */ /* lkmain.c */ extern FILE * afile(); extern VOID bassav(); extern VOID gblsav(); extern VOID link(); extern VOID main(); extern VOID map(); extern int parse(); extern VOID setbas(); extern VOID setgbl(); extern VOID usage(); /* lklex.c */ extern char endline(); extern char get(); extern VOID getfid(); extern VOID getid(); extern int getline(); extern char getmap(); extern char getnb(); extern int more(); extern VOID skip(); extern VOID unget(); /* lkarea.c */ extern VOID lkparea(); extern VOID lnkarea(); extern VOID lnksect(); extern VOID newarea(); /* lkhead.c */ extern VOID module(); extern VOID newhead(); /* lksym.c */ extern int hash(); extern struct sym * lkpsym(); extern VOID * new(); extern struct sym * newsym(); extern VOID symdef(); extern int symeq(); extern VOID syminit(); extern VOID symmod(); extern addr_t symval(); /* lkeval.c */ extern int digit(); extern addr_t eval(); extern addr_t expr(); extern int oprio(); extern addr_t term(); /* lklist.c */ extern VOID lstarea(); extern VOID newpag(); extern VOID slew(); /* lkrloc.c */ extern addr_t add_b1(); extern addr_t add_b2(); extern addr_t add_w(); extern addr_t evword(); extern VOID rele(); extern VOID reloc(); extern VOID relt(); extern VOID relr(); extern VOID relp(); extern VOID relerr(); extern char * errmsg[]; extern VOID errdmp(); extern VOID relerp(); extern VOID erpdmp(); extern VOID prntval(); /* lks19.c */ extern VOID s19(); /* lkihx.c */ extern VOID ihx();