BSD 4_2 development

Work on file usr/src/lib/c2/c2.h

Synthesized-from: CSRG/cd1/4.2

diff --git a/usr/src/lib/c2/c2.h b/usr/src/lib/c2/c2.h
new file mode 100644 (file)
index 0000000..2cc4595
--- /dev/null
+++ b/usr/src/lib/c2/c2.h
@@ -0,0 +1,186 @@
+/*     c2.h    4.7     83/08/11        */
+
+/*
+ * Header for object code improver
+ */
+
+#define        JBR     1
+#define        CBR     2
+#define        JMP     3
+#define        LABEL   4
+#define        DLABEL  5
+#define        EROU    7
+#define        JSW     9
+#define        MOV     10
+#define        CLR     11
+#define        INC     12
+#define        DEC     13
+#define        TST     14
+#define        PUSH    15
+#define CVT 16
+#define        CMP     17
+#define        ADD     18
+#define        SUB     19
+#define        BIT     20
+#define        BIC     21
+#define        BIS     22
+#define        XOR     23
+#define        COM     24
+#define        NEG     25
+#define        MUL     26
+#define        DIV     27
+#define        ASH     28
+#define EXTV   29
+#define EXTZV  30
+#define INSV   31
+#define        CALLS   32
+#define RET    33
+#define        CASE    34
+#define        SOB     35
+#define        TEXT    36
+#define        DATA    37
+#define        BSS     38
+#define        ALIGN   39
+#define        END     40
+#define MOVZ 41
+#define WGEN 42
+#define SOBGEQ 43
+#define SOBGTR 44
+#define AOBLEQ 45
+#define AOBLSS 46
+#define ACB 47
+#define MOVA 48
+#define PUSHA 49
+#define LGEN 50
+#define SET 51
+#define MOVC3 52
+#define RSB 53
+#define JSB 54
+#define MFPR 55
+#define MTPR 56
+#define PROBER 57
+#define PROBEW 58
+#define        LCOMM 59
+#define        COMM 60
+
+#define        JEQ     0
+#define        JNE     1
+#define        JLE     2
+#define        JGE     3
+#define        JLT     4
+#define        JGT     5
+/* rearranged for unsigned branches so that jxxu = jxx + 6 */
+#define        JLOS    8
+#define        JHIS    9
+#define        JLO     10
+#define        JHI     11
+
+#define JBC 12
+#define JBS 13
+#define JLBC 14
+#define JLBS 15
+#define JBCC 16
+#define JBSC 17
+#define JBCS 18
+#define JBSS 19
+
+/*
+ *     When the new opcodes were added, the relative
+ *     ordering of the first 3 (those that are not float)
+ *     had to be retained, so that other parts of the program
+ *     were not broken.
+ *
+ *     In addition, the distance between OP3 and OP2 must be preserved.
+ *     The order of definitions above OP2 must not be changed.
+ *
+ *     Note that these definitions DO NOT correspond to
+ *     those definitions used in as, adb and sdb.
+ */
+#define        BYTE    1
+#define        WORD    2
+#define LONG   3
+#define        FFLOAT  4
+#define        DFLOAT  5
+#define QUAD   6
+#define OP2    7
+#define OP3    8
+#define OPB    9
+#define OPX    10
+#define        GFLOAT  11
+#define        HFLOAT  12
+#define OCTA   13
+
+#define T(a,b) (a|((b)<<8))
+#define U(a,b) (a|((b)<<4))
+
+#define C2_ASIZE 128
+
+struct optab {
+       char    opstring[7];
+       short   opcode;
+} optab[];
+
+struct node {
+       char    op;
+       char    subop;
+       short   refc;
+       struct  node    *forw;
+       struct  node    *back;
+       struct  node    *ref;
+       char    *code;
+       struct  optab   *pop;
+       long    labno;
+       short   seq;
+};
+
+struct {
+       short   combop;
+};
+
+char   line[512];
+struct node    first;
+char   *curlp;
+int    nbrbr;
+int    nsaddr;
+int    redunm;
+int    iaftbr;
+int    njp1;
+int    nrlab;
+int    nxjump;
+int    ncmot;
+int    nrevbr;
+int    loopiv;
+int    nredunj;
+int    nskip;
+int    ncomj;
+int    nsob;
+int    nrtst;
+int nbj;
+int nfield;
+
+int    nchange;
+int    isn;
+int    debug;
+char   *lasta;
+char   *lastr;
+char   *firstr;
+char   revbr[];
+#define        NREG    12
+char   *regs[NREG+5]; /* 0-11, 4 for operands, 1 for running off end */
+char   conloc[C2_ASIZE];
+char   conval[C2_ASIZE];
+char   ccloc[C2_ASIZE];
+
+#define        RT1     12
+#define        RT2     13
+#define RT3 14
+#define RT4 15
+#define        LABHS   127
+
+struct { char lbyte; };
+
+char *copy();
+long getnum();
+struct node *codemove();
+struct node *insertl();
+struct node *nonlab();