FreeBSD/Linux Kernel Cross Reference
sys/sys/ptrace.h

     /*      $OpenBSD: ptrace.h,v 1.16 2020/03/16 11:58:46 mpi Exp $ */
     /*      $NetBSD: ptrace.h,v 1.21 1996/02/09 18:25:26 christos Exp $     */
     
     /*-
      * Copyright (c) 1984, 1993
      *      The Regents of the University of California.  All rights reserved.
      *
      * Redistribution and use in source and binary forms, with or without
      * modification, are permitted provided that the following conditions
     * are met:
     * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     * 3. Neither the name of the University nor the names of its contributors
     *    may be used to endorse or promote products derived from this software
     *    without specific prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     * SUCH DAMAGE.
     *
     *      @(#)ptrace.h    8.2 (Berkeley) 1/4/94
     */
    
    #ifndef _SYS_PTRACE_H_
    #define _SYS_PTRACE_H_
    
    #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_WRITE_I      4       /* write word in child's I space */
    #define PT_WRITE_D      5       /* write word in child's D space */
    #define PT_CONTINUE     7       /* continue the child */
    #define PT_KILL         8       /* kill the child process */
    #define PT_ATTACH       9       /* attach to running process */
    #define PT_DETACH       10      /* detach from running process */
    #define PT_IO           11      /* do I/O to/from the stopped process. */
    
    struct ptrace_io_desc {
            int     piod_op;        /* I/O operation */
            void    *piod_offs;     /* child offset */
            void    *piod_addr;     /* parent offset */
            size_t  piod_len;       /* request length */
    };
    
    /*
     * Operations in piod_op.
     */
    #define PIOD_READ_D     1       /* Read from D space */
    #define PIOD_WRITE_D    2       /* Write to D space */
    #define PIOD_READ_I     3       /* Read from I space */
    #define PIOD_WRITE_I    4       /* Write to I space */
    #define PIOD_READ_AUXV  5       /* Read from aux array */
    
    #define PT_SET_EVENT_MASK       12
    #define PT_GET_EVENT_MASK       13
    
    typedef struct ptrace_event {
            int     pe_set_event;
    } ptrace_event_t;
    
    #define PTRACE_FORK     0x0002  /* Report forks */
    
    #define PT_GET_PROCESS_STATE    14
    
    typedef struct ptrace_state {
            int     pe_report_event;
            pid_t   pe_other_pid;
            pid_t   pe_tid;
    } ptrace_state_t;
    
    #define PT_GET_THREAD_FIRST     15
    #define PT_GET_THREAD_NEXT      16
    
    struct ptrace_thread_state {
            pid_t   pts_tid;
    };
    
    #define PT_FIRSTMACH    32      /* for machine-specific requests */
    #include <machine/ptrace.h>     /* machine-specific requests, if any */
    
    #ifdef _KERNEL
    
    /*
     * There is a bunch of PT_ requests that are machine dependent, but not
     * optional. Check if they were defined by MD code here.
     */
    #if !defined(PT_GETREGS) || !defined(PT_SETREGS)
    #error Machine dependent ptrace not complete.
   #endif
   
   struct reg;
   #if defined(PT_GETFPREGS) || defined(PT_SETFPREGS)
   struct fpreg;
   #endif
   
   void    process_reparent(struct process *_child, struct process *_newparent);
   void    process_untrace(struct process *_tr);
   #ifdef PT_GETFPREGS
   int     process_read_fpregs(struct proc *_t, struct fpreg *);
   #endif
   int     process_read_regs(struct proc *_t, struct reg *);
   int     process_set_pc(struct proc *_t, caddr_t _addr);
   int     process_sstep(struct proc *_t, int _sstep);
   #ifdef PT_SETFPREGS
   int     process_write_fpregs(struct proc *_t, struct fpreg *);
   #endif
   int     process_write_regs(struct proc *_t, struct reg *);
   int     process_checkioperm(struct proc *_curp, struct process *_tr);
   int     process_domem(struct proc *_curp, struct process *_tr, struct uio *,
               int _req);
   
   #ifndef FIX_SSTEP
   #define FIX_SSTEP(p)
   #endif
   
   #else /* !_KERNEL */
   
   #include <sys/cdefs.h>
   
   __BEGIN_DECLS
   int     ptrace(int _request, pid_t _pid, caddr_t _addr, int _data);
   __END_DECLS
   
   #endif /* !_KERNEL */
   
   #endif  /* !_SYS_PTRACE_H_ */

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