214 lines
6.9 KiB
C
Executable File
214 lines
6.9 KiB
C
Executable File
#ident "@(#)pcontrol.h 1.2 95/06/26 SMI"
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/* include file for process management */
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/* requires:
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* <stdio.h>
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* <signal.h>
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* <sys/types.h>
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* <sys/fault.h>
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* <sys/syscall.h>
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*/
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#include <sys/procfs.h>
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#if i386
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# include <sys/regset.h>
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# include <sys/psw.h> /* for PS_C definition */
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# define R_R0 EAX
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# define R_R1 EDX
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# define R_PC EIP
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# define R_PS EFL
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# define R_SP UESP
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#endif
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#if sparc
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# include <sys/psw.h> /* for PSR_C definition */
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# define NGREG NPRGREG
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typedef prgreg_t greg_t;
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typedef prgregset_t gregset_t;
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typedef prfpregset_t fpregset_t;
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#endif
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#define CONST const
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#define VOID void
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#define TRUE 1
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#define FALSE 0
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/* definition of the process (program) table */
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typedef struct {
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char cntrl; /* if TRUE then controlled process */
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char child; /* TRUE :: process created by fork() */
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char state; /* state of the process, see flags below */
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char sig; /* if dead, signal which caused it */
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char rc; /* exit code if process terminated normally */
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char jsig; /* non-zero: process was job-stopped */
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int pfd; /* /proc/<upid> filedescriptor */
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int lwpfd; /* specific lwp filedescriptor */
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pid_t upid; /* UNIX process ID */
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prstatus_t why; /* from /proc -- status values when stopped */
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prpsinfo_t psinfo; /* from /proc -- ps info on grab */
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long sysaddr; /* address of most recent syscall instruction */
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sigset_t sigmask; /* signals which stop the process */
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fltset_t faultmask; /* faults which stop the process */
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sysset_t sysentry; /* system calls which stop process on entry */
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sysset_t sysexit; /* system calls which stop process on exit */
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char setsig; /* set signal mask before continuing */
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char sethold; /* set signal hold mask before continuing */
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char setfault; /* set fault mask before continuing */
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char setentry; /* set sysentry mask before continuing */
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char setexit; /* set sysexit mask before continuing */
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char setregs; /* set registers before continuing */
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} process_t;
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/* shorthand for register array */
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#define REG why.pr_reg
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/* state values */
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#define PS_NULL 0 /* no process in this table entry */
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#define PS_RUN 1 /* process running */
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#define PS_STEP 2 /* process running single stepped */
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#define PS_STOP 3 /* process stopped */
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#define PS_LOST 4 /* process lost to control (EAGAIN) */
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#define PS_DEAD 5 /* process terminated */
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/* Error returns from Pgrab() */
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#define G_NOPROC (-1) /* No such process */
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#define G_ZOMB (-2) /* Zombie process */
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#define G_PERM (-3) /* No permission */
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#define G_BUSY (-4) /* Another process has control */
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#define G_SYS (-5) /* System process */
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#define G_SELF (-6) /* Process is self */
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#define G_STRANGE (-7) /* Unanticipated error, perror() was called */
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#define G_INTR (-8) /* Interrupt received while grabbing */
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/* machine-specific stuff */
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#if u3b
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typedef unsigned short syscall_t; /* holds a syscall instruction */
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#define SYSCALL 0xd900 /* value of syscall (OST) instruction */
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#define FRMSZ 13 /* frame size, in words */
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#endif
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#if u3b2 || u3b15
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typedef unsigned short syscall_t; /* holds a syscall instruction */
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#define SYSCALL 0x3061 /* value of syscall (GATE) instruction */
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#define FRMSZ 9 /* frame size, in words */
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#define ERRBIT 0x40000 /* bit in psw indicating syscall error */
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#endif
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#if mc68k
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typedef unsigned short syscall_t; /* holds a syscall instruction */
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#define SYSCALL 0x4e40 /* value of syscall (trap 0) instruction */
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#define ERRBIT 0x1 /* bit in psw indicating syscall error */
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#endif
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#if i386
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typedef unsigned char syscall_t[7]; /* holds a syscall instruction */
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#define SYSCALL 0x9a /* syscall (lcall) instruction */
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#define ERRBIT PS_C /* bit in psw indicating syscall error */
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#endif
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#if sparc
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typedef unsigned long syscall_t; /* holds a syscall instruction */
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#define OSYSCALL 0x91d02000 /* value of old syscall (ta 0) instruction */
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#define SYSCALL 0x91d02008 /* value of syscall (ta 8) instruction */
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#define ERRBIT PSR_C /* bit in psw indicating syscall error */
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#endif
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struct argdes { /* argument descriptor for system call (Psyscall) */
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int value; /* value of argument given to system call */
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char * object; /* pointer to object in controlling process */
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char type; /* AT_BYVAL, AT_BYREF */
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char inout; /* AI_INPUT, AI_OUTPUT, AI_INOUT */
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short len; /* if AT_BYREF, length of object in bytes */
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};
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struct sysret { /* return values from system call (Psyscall) */
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int errno; /* syscall error number */
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greg_t r0; /* %r0 from system call */
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greg_t r1; /* %r1 from system call */
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};
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/* values for type */
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#define AT_BYVAL 0
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#define AT_BYREF 1
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/* values for inout */
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#define AI_INPUT 0
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#define AI_OUTPUT 1
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#define AI_INOUT 2
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/* maximum number of syscall arguments */
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#define MAXARGS 8
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/* maximum size in bytes of a BYREF argument */
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#define MAXARGL (4*1024)
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/* external data used by the package */
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extern char * procdir; /* "/proc" */
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/*
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* Function prototypes for routines in the process control package.
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*/
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extern int Pcreate( process_t * , char ** );
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extern int Pgrab( process_t * , pid_t , int );
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extern int Pchoose( process_t * );
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extern void Punchoose( process_t * );
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extern int Preopen( process_t * , int );
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extern int Prelease( process_t * );
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extern int Phang( process_t * );
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extern int Pwait( process_t * );
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extern int Pstop( process_t * );
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extern int Pstatus( process_t * , int , unsigned );
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extern int Pgetsysnum( process_t * );
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extern int Psetsysnum( process_t * , int );
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extern int Pgetregs( process_t * );
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extern int Pgetareg( process_t * , int );
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extern int Pputregs( process_t * );
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extern int Pputareg( process_t * , int );
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extern int Psetrun( process_t * , int , int );
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extern int Pstart( process_t * , int );
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extern int Pterm( process_t * );
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extern int Pread( process_t * , long , char * , int );
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extern int Pwrite( process_t * , long , const char * , int );
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extern int Psignal( process_t * , int , int );
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extern int Pfault( process_t * , int , int );
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extern int Psysentry( process_t * , int , int );
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extern int Psysexit( process_t * , int , int );
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extern struct sysret Psyscall( process_t * , int , int , struct argdes * );
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extern int Ioctl( int , int , int );
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/*
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* Function prototypes for system calls forced on the victim process.
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*/
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struct sigaction;
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struct itimerval;
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struct flock;
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struct stat;
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struct rlimit;
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extern int propen( process_t *, char *, int, int );
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extern int prclose( process_t *, int );
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extern caddr_t prmmap( process_t *, caddr_t, size_t, int, int, int, off_t );
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extern int prmunmap( process_t *, caddr_t, size_t );
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extern int prsigaction( process_t *, int, struct sigaction *,
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struct sigaction *);
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extern int prsetitimer( process_t *, int, struct itimerval *,
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struct itimerval *);
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extern int prfcntl(process_t *, int, int, struct flock *);
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extern int prfstat(process_t *, int, struct stat *);
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extern int prgetrlimit(process_t *, int, struct rlimit *);
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/*
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* Miscellaneous functions.
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*/
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extern void msleep(unsigned int);
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extern int scantext(process_t *);
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extern char * fltname(int);
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extern char * signame(int);
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extern char * sysname(int);
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extern int isprocdir(const char *);
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