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

     /*      $NetBSD: ptrace.h,v 1.40 2008/01/05 12:41:43 dsl 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 */
    #define PT_DUMPCORE     12      /* make the child generate a core dump */
    #define PT_LWPINFO      13      /* get info about the LWP */
    #define PT_SYSCALL      14      /* stop on syscall entry/exit */
    #define PT_FIRSTMACH    32      /* for machine-specific requests */
    #include <machine/ptrace.h>     /* machine-specific requests, if any */
    
    /*
     * Argument structure for PT_IO.
     */
    struct ptrace_io_desc {
            int     piod_op;        /* I/O operation (see below) */
            void    *piod_offs;     /* child offset */
            void    *piod_addr;     /* parent offset */
            size_t  piod_len;       /* request length (in)/actual count (out) */
    };
    
    /* piod_op */
    #define PIOD_READ_D     1       /* read from D space */
    #define PIOD_WRITE_D    2       /* write to D spcae */
    #define PIOD_READ_I     3       /* read from I space */
    #define PIOD_WRITE_I    4       /* write to I space */
    
    /*
     * Argument structure for PT_LWPINFO.
     */
    struct ptrace_lwpinfo {
            lwpid_t pl_lwpid;       /* LWP described */
            int     pl_event;       /* Event that stopped the LWP */
            /* Add fields at the end */
    };
    
    #define PL_EVENT_NONE   0
    #define PL_EVENT_SIGNAL 1
    
    #ifdef _KERNEL
    
    #if defined(PT_GETREGS) || defined(PT_SETREGS)
    struct reg;
    #ifndef process_reg32
    #define process_reg32 struct reg
    #endif
    #ifndef process_reg64
    #define process_reg64 struct reg
    #endif
    #endif
    #if defined(PT_GETFPREGS) || defined(PT_SETFPREGS)
    struct fpreg;
    #ifndef process_fpreg32
    #define process_fpreg32 struct fpreg
    #endif
    #ifndef process_fpreg64
    #define process_fpreg64 struct fpreg
    #endif
   #endif
   
   int     process_doregs(struct lwp *, struct lwp *, struct uio *);
   int     process_validregs(struct lwp *);
   
   int     process_dofpregs(struct lwp *, struct lwp *, struct uio *);
   int     process_validfpregs(struct lwp *);
   
   int     process_domem(struct lwp *, struct lwp *, struct uio *);
   
   void    process_stoptrace(void);
   
   void    proc_reparent(struct proc *, struct proc *);
   #ifdef PT_GETFPREGS
   int     process_read_fpregs(struct lwp *, struct fpreg *);
   #ifndef process_read_fpregs32
   #define process_read_fpregs32   process_read_fpregs
   #endif
   #ifndef process_read_fpregs64
   #define process_read_fpregs64   process_read_fpregs
   #endif
   #endif
   #ifdef PT_GETREGS
   int     process_read_regs(struct lwp *, struct reg *);
   #ifndef process_read_regs32
   #define process_read_regs32     process_read_regs
   #endif
   #ifndef process_read_regs64
   #define process_read_regs64     process_read_regs
   #endif
   #endif
   int     process_set_pc(struct lwp *, void *);
   int     process_sstep(struct lwp *, int);
   #ifdef PT_SETFPREGS
   int     process_write_fpregs(struct lwp *, const struct fpreg *);
   #endif
   #ifdef PT_SETREGS
   int     process_write_regs(struct lwp *, const struct reg *);
   #endif
   
   #ifdef __HAVE_PROCFS_MACHDEP
   int     ptrace_machdep_dorequest(struct lwp *, struct lwp *, int,
               void *, int);
   #endif
   
   #ifndef FIX_SSTEP
   #define FIX_SSTEP(p)
   #endif
   
   #else /* !_KERNEL */
   
   #include <sys/cdefs.h>
   
   __BEGIN_DECLS
   int     ptrace(int _request, pid_t _pid, void *_addr, int _data);
   __END_DECLS
   
   #endif /* !_KERNEL */
   
   #endif  /* !_SYS_PTRACE_H_ */

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