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structs.h
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/* ******************************************************************** *
* structs.h - Define structures that are used with oskdis *
* *
* ******************************************************************** *
* *
* Copyright (c) 2017 David Breeding *
* *
* This file is part of osk-disasm. *
* *
* osk-disasm is free software: you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation, either version 3 of the License, or *
* (at your option) any later version. *
* *
* osk-disasm is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* (see the file "COPYING") along with osk-disasm. If not, *
* see <http://www.gnu.org/licenses/>. *
* *
* ******************************************************************** */
#ifndef HAVE_STRUCTS
# define HAVE_STRUCTS
typedef struct cmditems {
int cmd_wrd; /* The single effective address word (the command) */
char *lblname;
char mnem[50];
short code[10];
int wcount; /* The count of words in the instrct/.(except sea) */
char opcode[200]; /* Possibly ovesized, but just to be safe */
char *comment; /* Inline comment - NULL if none */
/*struct extWbrief extend;*/ /* The extended command (if present) */
} CMD_ITMS;
/*struct extended020 {
};*/
#define LBLLEN 40
/* Defines a Label */
typedef struct symbldef {
char sname[LBLLEN+1]; /* Symbol name */
long myaddr; /* Address of symbol */
int stdname; /* Flag that it's a std named label */
int global; /* For ROF use... flags that it's global */
struct symbldef *Next; /* Next */
/* struct symbldef *More;*/
struct symbldef *Prev; /* Previous entry */
} LBLDEF;
typedef struct {
char lclass;
LBLDEF *cEnt;
} LBLCLAS;
/* Offset 9 (-L00xx) - type stuff ] */
struct ofsetree {
char oclas_maj; /* Class to use in offset addressing */
int of_maj; /* The main offset value */
char incl_pc; /* Flag to include PC offset mode */
int add_to; /* Flag: if set, add to offset, else subtract */
/*int of_sec; Secondary offset (0 if none) */
/*char oclas_sec; Class of secondary offset */
};
/* Data areas/Label Addressing Modes tree structure */
struct databndaries {
int b_lo, /* Lower (beginning) boundary address */
b_hi, /* Upper (ending) boundary address */
b_siz; /* Size of one unit in the set */
char b_typ; /* Boundary type for DA's and Lbl Class for AModes */
char b_class; /* Class for class 'L' and 'S' boundaries */
struct ofsetree *dofst;
struct databndaries *DLess,
*DMore,
*DPrev;
};
/* ******************************************** *
* xtndcmnt structures *
* These are comments that are appended to the *
* end of the assembly line *
* ******************************************** */
struct apndcmnt {
int adrs;
struct apndcmnt *apLeft;
struct apndcmnt *apRight;
char *CmPtr;
};
/* ************************************ *
* Stand-alone Comment structures *
* ************************************ */
/* Single line of a comment */
struct cmntline {
struct cmntline *nextline;
char *ctxt;
};
/* Main tree */
struct commenttree {
int adrs;
struct commenttree *cmtUp;
struct commenttree *cmtLeft;
struct commenttree *cmtRight;
struct cmntline *commts;
};
/* ***************************************** *
* Structures for ROF files *
* ***************************************** */
/* ROF header structure */
struct rof_hdr {
int sync;
short ty_lan, /* Type/Language */
att_rev, /* Attribute/Revision word */
valid, /* Nonzero if valid */
series; /* Assembler version used to compile */
char rdate[6];
short edition;
int statstorage, /* Size of static variable storage */
idatsz, /* Size of initialized data */
codsz, /* Size of the object code */
stksz, /* Size of stack required */
code_begin, /* Offset to entry point of object code */
utrap, /* Offset to unitialized trap entry point */
remotestatsiz, /* Size of remote static storage */
remoteidatsiz, /* Size of remote initialized data */
debugsiz; /* Size of the debug */
char *rname; /* Ptr to module name */
};
/* Global definitions */
struct rof_glbl {
char name[100];
char Type;
int Ofst;
};
/* ************************* *
* External references *
* ------------------- *
* We will attempt to place *
* all in one set *
* ************************* */
struct rof_extrn {
union {
char *nam;
LBLDEF *lbl;
} EName;
/* void *EName;*/ /* External name */
char dstClass; /* Class for referenced item NUll if extern */
int Type; /* Type Flag */
int Ofst; /* Offset into code */
int Extrn; /* Flag that it's an external ref */
struct rof_extrn *EUp, /* Previous Ref for entire list */
*ENext, /* Next Reference for All externs */
*MyNext; /* Next ref for this name. If NULL, we can free EName */
};
#endif /* #define HAVE_STRUCTS */