/* Miscellaneous constants used in assembler code. */
	W = _WORD_SIZE	/* Machine word size. */

/* Offsets in struct proc. They MUST match proc.h. */
	P_STACKBASE = 0
	GSREG = P_STACKBASE
	FSREG = GSREG+2	/* 386 introduces FS and GS segments*/
	ESREG = FSREG+2
	DSREG = ESREG+2
	DIREG = DSREG+2
	SIREG = DIREG+W
	BPREG = SIREG+W
	STREG = BPREG+W	/* hole for another SP*/
	BXREG = STREG+W
	DXREG = BXREG+W
	CXREG = DXREG+W
	AXREG = CXREG+W
	RETADR = AXREG+W	/* return address for save() call*/
	PCREG = RETADR+W
	CSREG = PCREG+W
	PSWREG = CSREG+W
	SPREG = PSWREG+W
	SSREG = SPREG+W
	P_STACKTOP = SSREG+W
	P_LDT_SEL = P_STACKTOP
	P_CR3 = P_LDT_SEL+W
	P_LDT = P_CR3+W
	Msize = 9	/* size of a message in 32-bit words*/