usr/src/old/adb/adb.vax/machine.h

/*      machine.h       4.1     81/05/14        */

#include <sys/vm.h>

#define PAGSIZ          (NBPG*CLSIZE)

#define DBNAME "adb\n"
#define LPRMODE "%R"
#define OFFMODE "+%R"
#define TXTRNDSIZ       PAGSIZ

#define MAXINT  0x7fffffff
#define MAXSTOR ((1L<<31) - ctob(UPAGES))
#define MAXFILE 0xffffffff

/*
 * INSTACK tells whether its argument is a stack address.
 * INUDOT tells whether its argument is in the (extended) u. area.
 * These are used for consistency checking and dont have to be exact.
 *
 * INKERNEL tells whether its argument is a kernel space address.
 * KVTOPH trims a kernel virtal address back to its offset
 * in the kernel address space.
 */
#define INSTACK(x)      (((x)&0xf0000000) == 0x70000000)
#define INUDOT(x)       (((x)&0xf0000000) == 0x70000000)
#define INKERNEL(x)     (((x)&0xf0000000) == 0x80000000)

#define KVTOPH(x)       ((x)&~ 0x80000000)
#define KERNOFF         0x80000000