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

/*      machine.h       1.1     86/02/25        */

#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 (KERNBASE - 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)      (((int)(x)&0xf0000000) == 0xb0000000)
#define INUDOT(x)       (((int)(x)&0xf0000000) == 0xb0000000)
#define INKERNEL(x)     (((int)(x)&0xf0000000) == 0xc0000000)

#define KERNBASE        0xc0000000
#define KERNOFF         (KERNBASE + 0x800)      /* start of kernel's text */
#define KVTOPH(x)       ((x)&~ 0xc0000000)