From: CSRG <csrg@ucbvax.Berkeley.EDU>
Date: Thu, 11 Aug 1983 16:21:11 +0000 (-0800)
Subject: BSD 4_2 development
X-Git-Tag: BSD-4_3^2~145
X-Git-Url: https://git.subgeniuskitty.com/unix-history/.git/commitdiff_plain/9eaa12c31bc55cdb2b65fd5619f1f966c6a87369

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
index 0000000000..2cc4595c31
--- /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();