Upload

Digital Research

CPM OPERATING SYSTEMS/CPM 68K/1.0X SOURCES/v101/c/fcgen/cskel.h

@@ -0,0 +1,92 @@
+/*
+	Copyright 1981
+	Alcyon Corporation
+	8474 Commerce Av.
+	San Diego, Ca.  92121
+*/
+
+/*built-in literals*/
+#define	MOV		128
+#define	MOVL	129
+#define	JSR		130
+#define	CLR		131
+#define	CLRL	132
+#define	EXTW	133
+#define	EXTL	134
+#define	LEA		135
+#define	STK		136
+
+/*built-in macros*/
+#define	TREE	141
+#define	LEFT	142
+#define	RIGHT	143
+#define	LOFFSET	144
+#define	ROFFSET	145
+#define	LADDR	146
+#define	RADDR	147
+#define	CR		148
+#define	NR		149
+#define	CAR		150
+#define	NAR		151
+#define	TLEFT	152
+#define	TRIGHT	153
+#define	TEITHER	154
+#define	TLEFTL	155
+#define	OP		156
+#define	AOP		157
+#define	MODSWAP	158
+#define	EXL		159
+#define	EXLR	160
+#define	EXLRN	161
+#define	EXRL	162
+#define	EXRLN	163
+#define	PSH		164
+#define	POP		165
+#define	POP8	166
+#define	OPCALL	167
+#define	POP4	169
+#define	LADDRP	168
+
+/*modifiers for compiling sub-trees*/
+#define	S_INDR		1		/*indirection*/
+#define	S_STACK		2		/*onto stack*/
+#define	S_FORCC		4		/*set condition codes*/
+#define	S_NEXT		8		/*into next register*/
+
+/*Sethy-Ullman values*/
+#define	SU_ZERO		0x000		/*zero*/
+#define	SU_ONE		0x100		/*one*/
+#define	SU_SMALL	0x200		/*constant between 1 and 8*/
+#define	SU_QUICK	0x300		/*quick constant between -128 and 127*/
+#define	SU_CONST	0x400		/*any constant*/
+#define	SU_AREG		0x500		/*A register*/
+#define	SU_REG		0x600		/*register*/
+#define	SU_ADDR		0x700		/*addressable*/
+#define	SU_XREG		0x800		/*A register used as data...*/
+#define	SU_EASY		0x900		/*easy*/
+#define	SU_HARD		0xa00		/*hard*/
+#define	SU_VHARD	0xb00		/*very hard ... function calls, etc.*/
+#define	SU_ANY		0xf00		/*anything*/
+#define	ADDRESSABLE(x)	(x->t_su<=SU_ADDR)
+#define	NOTADDRESSABLE(x)	(x->t_su>SU_ADDR)
+#define	LOADABLE(x)			(x->t_su<=SU_XREG)
+
+/*flag byte (operand type):*/
+#define	T_CHAR		1		/*char only*/
+#define	T_SHORT		2		/*short*/
+#define	T_INT		3		/*int only*/
+#define	T_LONG		4		/*long*/
+#define	T_UCHAR		5		/*unsigned char*/
+#define	T_USHORT	6		/*unsigned short*/
+#define	T_UNSN		7		/*unsigned int*/
+#define	T_ULONG		8		/*unsigned long*/
+#define	T_FLOAT		9		/*float*/
+#define	T_DOUB		10		/*double*/
+#define	T_ANY		11		/*int or word (implied)*/
+#define	T_INDR		0x10	/*pointer type (bit)*/
+
+struct skeleton {
+	int sk_left;
+	int sk_right;
+	char *sk_def;
+};