usr/src/sys/sys/ptrace.h

/*      ptrace.h        4.1     84/04/11        */

#ifndef _PTRACE_
#define _PTRACE_

#define PT_TRACE_ME     0       /* child declares it's being traced */
#define PT_READ_I       1       /* read word in child's I space */
#define PT_READ_D       2       /* read word in child's D space */
#define PT_READ_U       3       /* read word in child's user structure */
#define PT_WRITE_I      4       /* write word in child's I space */
#define PT_WRITE_D      5       /* write word in child's D space */
#define PT_WRITE_U      6       /* write word in child's user structure */
#define PT_CONTINUE     7       /* continue the child */
#define PT_KILL         8       /* kill the child process */
#define PT_STEP         9       /* single step the child */

#endif