add LCC - a better C-Compiler for WEGA

WEGA/contrib/lcc/cmd/c2/c2.h

@@ -0,0 +1,153 @@
+/*
+ * Header for object code improver
+ */
+
+#include <stdio.h>
+
+#define	CBR	2
+#define JMP	4
+#define JSW	5
+#define	LABEL	6
+#define	DLABEL	7
+#define	EROU	9
+#define	LD	11
+#define	CLR	12
+#define	COM	13
+#define	INC	14
+#define	DEC	15
+#define	NEG	16
+#define	TST	17
+#define	ASR	18
+#define	ASL	19
+#define	SXT	20
+#define	CMP	21
+#define	ADD	22
+#define	SUB	23
+#define	OR	24
+#define	AND	25
+#define	SDL	34
+#define	MUL	27
+#define	DIV	28
+#define	SDA	29
+#define	XOR	30
+#define	CP	31
+#define	CODE	32
+#define	CD	33
+#define BSS	35
+#define EVEN	36
+#define	DATA	37
+#define CMT	38
+#define SET	39
+#define RES	40
+#define BIT	41
+#define	EX	42
+#define POP	43
+#define PUSH	44
+#define	CALL	45
+#define	END	46
+#define SRL	47
+#define SLL	48
+#define DJNZ	49
+#define LDI	50
+#define LDD	51
+#define	LDK	52
+#define	XL1	54
+#define	XL2	55
+
+#define	JEQ	0
+#define	JNE	1
+#define	PL	2
+#define MI	3
+#define	JLE	4
+#define	JGE	5
+#define	JLT	6
+#define	JGT	7
+#define	JLO	8
+#define	JHI	9
+#define	JLOS	10
+#define	JHIS	11
+
+#define	BYTE	0x40
+#define LONG	0x20
+#define	LSIZE	512
+
+struct node {
+	char	op;
+	char	subop;
+	struct	node	*forw;
+	struct	node	*back;
+	struct	node	*ref;
+	int	labno;
+	char	*code;
+	int	refc;
+};
+
+struct optab {
+	char	*opstring;
+	int	opcode;
+} optab[];
+
+char	line[LSIZE];
+struct	node	first;
+char	*curlp;
+int	nbrbr;
+char	regc;
+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	nlit;
+int	nchange;
+int	isn;
+int	debug;
+int	lastseg;
+char	*lasta;
+char	*lastr;
+char	*firstr;
+char	revbr[];
+char	regs[34][24];
+char	regt[34];
+struct node *	regp[34];
+char	regh[8][24];
+char	conloc[24];
+char	conloct;
+char	conval[24];
+char	convalt;
+char	ccloc[24];
+char	*cpcode;
+char	ccloct;
+int	tildeL[10];
+
+#define	RT1	32
+#define	RT2	33
+#define	FREG	32
+#define	NREG	16
+#define	LABHS	127
+#define	OPHS	79
+#define BREG	8
+
+struct optab *ophash[OPHS];
+struct	node *nonlab();
+char	*copy();
+char *malloc();
+char *strchr();
+char	*sbrk();
+char	*findcon();
+struct	node *insertl();
+struct	node *codemove();
+char	*ssgbrk();
+char	*alloc();
+int xl1;
+int xl2;
+char *address[10];	/* adressen fuer alloc */
+int addrseg;