4.3BSD - /usr/src/lib/c2/c2.h

   1: /*	c2.h	4.10	85/08/22	*/
   2: 
   3: /*
   4:  * Header for object code improver
   5:  */
   6: 
   7: #define JBR 1
   8: #define CBR 2
   9: #define JMP 3
  10: #define LABEL   4
  11: #define DLABEL  5
  12: #define EROU    7
  13: #define JSW 9
  14: #define MOV 10
  15: #define CLR 11
  16: #define INC 12
  17: #define DEC 13
  18: #define TST 14
  19: #define PUSH    15
  20: #define CVT 16
  21: #define CMP 17
  22: #define ADD 18
  23: #define SUB 19
  24: #define BIT 20
  25: #define BIC 21
  26: #define BIS 22
  27: #define XOR 23
  28: #define COM 24
  29: #define NEG 25
  30: #define MUL 26
  31: #define DIV 27
  32: #define ASH 28
  33: #define EXTV    29
  34: #define EXTZV   30
  35: #define INSV    31
  36: #define CALLS   32
  37: #define RET 33
  38: #define CASE    34
  39: #define SOB 35
  40: #define TEXT    36
  41: #define DATA    37
  42: #define BSS 38
  43: #define ALIGN   39
  44: #define END 40
  45: #define MOVZ 41
  46: #define WGEN 42
  47: #define SOBGEQ 43
  48: #define SOBGTR 44
  49: #define AOBLEQ 45
  50: #define AOBLSS 46
  51: #define ACB 47
  52: #define MOVA 48
  53: #define PUSHA 49
  54: #define LGEN 50
  55: #define SET 51
  56: #define MOVC3 52
  57: #define RSB 53
  58: #define JSB 54
  59: #define MFPR 55
  60: #define MTPR 56
  61: #define PROBER 57
  62: #define PROBEW 58
  63: #define LCOMM 59
  64: #define COMM 60
  65: 
  66: #define JEQ 0
  67: #define JNE 1
  68: #define JLE 2
  69: #define JGE 3
  70: #define JLT 4
  71: #define JGT 5
  72: /* rearranged for unsigned branches so that jxxu = jxx + 6 */
  73: #define JLOS    8
  74: #define JHIS    9
  75: #define JLO 10
  76: #define JHI 11
  77: 
  78: #define JBC 12
  79: #define JBS 13
  80: #define JLBC 14
  81: #define JLBS 15
  82: #define JBCC 16
  83: #define JBSC 17
  84: #define JBCS 18
  85: #define JBSS 19
  86: 
  87: #define JCC 20
  88: #define JCS 21
  89: #define JVC 22
  90: #define JVS 23
  91: 
  92: /*
  93:  *	When the new opcodes were added, the relative
  94:  *	ordering of the first 3 (those that are not float)
  95:  *	had to be retained, so that other parts of the program
  96:  *	were not broken.
  97:  *
  98:  *	In addition, the distance between OP3 and OP2 must be preserved.
  99:  *	The order of definitions above OP2 must not be changed.
 100:  *
 101:  *	Note that these definitions DO NOT correspond to
 102:  *	those definitions used in as, adb and sdb.
 103:  */
 104: #define BYTE    1
 105: #define WORD    2
 106: #define LONG    3
 107: #define FFLOAT  4
 108: #define DFLOAT  5
 109: #define QUAD    6
 110: #define OP2 7
 111: #define OP3 8
 112: #define OPB 9
 113: #define OPX 10
 114: #define GFLOAT  11
 115: #define HFLOAT  12
 116: #define OCTA    13
 117: 
 118: #define T(a,b) (a|((b)<<8))
 119: #define U(a,b) (a|((b)<<4))
 120: 
 121: #define C2_ASIZE 128
 122: 
 123: struct optab {
 124:     char    opstring[7];
 125:     short   opcode;
 126: } optab[];
 127: 
 128: struct node {
 129:     union {
 130:         struct {
 131:             char op_op;
 132:             char op_subop;
 133:         } un_op;
 134:         short   un_combop;
 135:     } op_un;
 136:     short   refc;
 137:     struct  node    *forw;
 138:     struct  node    *back;
 139:     struct  node    *ref;
 140:     char    *code;
 141:     struct  optab   *pop;
 142:     long    labno;
 143:     short   seq;
 144: };
 145: 
 146: #define op op_un.un_op.op_op
 147: #define subop op_un.un_op.op_subop
 148: #define combop op_un.un_combop
 149: 
 150: char    line[512];
 151: struct  node    first;
 152: char    *curlp;
 153: int nbrbr;
 154: int nsaddr;
 155: int redunm;
 156: int iaftbr;
 157: int njp1;
 158: int nrlab;
 159: int nxjump;
 160: int ncmot;
 161: int nrevbr;
 162: int loopiv;
 163: int nredunj;
 164: int nskip;
 165: int ncomj;
 166: int nsob;
 167: int nrtst;
 168: int nbj;
 169: int nfield;
 170: 
 171: int nchange;
 172: long    isn;
 173: int debug;
 174: char    revbr[];
 175: #define NREG    12
 176: char    *regs[NREG+5]; /* 0-11, 4 for operands, 1 for running off end */
 177: char    conloc[C2_ASIZE];
 178: char    conval[C2_ASIZE];
 179: char    ccloc[C2_ASIZE];
 180: 
 181: #define RT1 12
 182: #define RT2 13
 183: #define RT3 14
 184: #define RT4 15
 185: #define LABHS   127
 186: 
 187: char *copy();
 188: long getnum();
 189: struct node *codemove();
 190: struct node *insertl();
 191: struct node *nonlab();
 192: 
 193: #ifdef notdef
 194: #define decref(p) \
 195:     ((p) && --(p)->refc <= 0 ? nrlab++, delnode(p) : 0)
 196: #define delnode(p) \
 197:     ((p)->back->forw = (p)->forw, (p)->forw->back = (p)->back)
 198: #endif notdef
 199: 
 200: char *xalloc();
 201: extern char *newa;
 202: extern char *lasta;
 203: extern char *lastr;
 204: #define XALIGN(n) \
 205:         (((n)+(sizeof (char *) - 1)) & ~(sizeof (char *) - 1))
 206: #define alloc(n) \
 207:         ((struct node *) \
 208:          ((newa = lasta) + (n) > lastr ? \
 209:             xalloc(n) : \
 210:             (lasta += XALIGN(n), newa)))

Defined variables

Defined struct's

Defined macros

Usage of this include