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Annotation of sys/sys/ptrace.h, Revision 1.1.1.1

1.1       nbrk        1: /*     $OpenBSD: ptrace.h,v 1.10 2005/12/11 21:30:31 miod Exp $        */
                      2: /*     $NetBSD: ptrace.h,v 1.21 1996/02/09 18:25:26 christos Exp $     */
                      3:
                      4: /*-
                      5:  * Copyright (c) 1984, 1993
                      6:  *     The Regents of the University of California.  All rights reserved.
                      7:  *
                      8:  * Redistribution and use in source and binary forms, with or without
                      9:  * modification, are permitted provided that the following conditions
                     10:  * are met:
                     11:  * 1. Redistributions of source code must retain the above copyright
                     12:  *    notice, this list of conditions and the following disclaimer.
                     13:  * 2. Redistributions in binary form must reproduce the above copyright
                     14:  *    notice, this list of conditions and the following disclaimer in the
                     15:  *    documentation and/or other materials provided with the distribution.
                     16:  * 3. Neither the name of the University nor the names of its contributors
                     17:  *    may be used to endorse or promote products derived from this software
                     18:  *    without specific prior written permission.
                     19:  *
                     20:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     21:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     22:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     23:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     24:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     25:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     26:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     27:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     28:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     29:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     30:  * SUCH DAMAGE.
                     31:  *
                     32:  *     @(#)ptrace.h    8.2 (Berkeley) 1/4/94
                     33:  */
                     34:
                     35: #ifndef        _SYS_PTRACE_H_
                     36: #define        _SYS_PTRACE_H_
                     37:
                     38: #define        PT_TRACE_ME     0       /* child declares it's being traced */
                     39: #define        PT_READ_I       1       /* read word in child's I space */
                     40: #define        PT_READ_D       2       /* read word in child's D space */
                     41: #define        PT_WRITE_I      4       /* write word in child's I space */
                     42: #define        PT_WRITE_D      5       /* write word in child's D space */
                     43: #define        PT_CONTINUE     7       /* continue the child */
                     44: #define        PT_KILL         8       /* kill the child process */
                     45: #define        PT_ATTACH       9       /* attach to running process */
                     46: #define        PT_DETACH       10      /* detach from running process */
                     47: #define PT_IO          11      /* do I/O to/from the stopped process. */
                     48:
                     49: struct ptrace_io_desc {
                     50:        int     piod_op;        /* I/O operation */
                     51:        void    *piod_offs;     /* child offset */
                     52:        void    *piod_addr;     /* parent offset */
                     53:        size_t  piod_len;       /* request length */
                     54: };
                     55:
                     56: /*
                     57:  * Operations in piod_op.
                     58:  */
                     59: #define PIOD_READ_D    1       /* Read from D space */
                     60: #define PIOD_WRITE_D   2       /* Write to D space */
                     61: #define PIOD_READ_I    3       /* Read from I space */
                     62: #define PIOD_WRITE_I   4       /* Write to I space */
                     63:
                     64: #define PT_SET_EVENT_MASK      12
                     65: #define PT_GET_EVENT_MASK      13
                     66:
                     67: typedef struct ptrace_event {
                     68:        int     pe_set_event;
                     69: } ptrace_event_t;
                     70:
                     71: #define PTRACE_FORK    0x0002  /* Report forks */
                     72:
                     73: #define PT_GET_PROCESS_STATE   14
                     74:
                     75: typedef struct ptrace_state {
                     76:        int     pe_report_event;
                     77:        pid_t   pe_other_pid;
                     78: } ptrace_state_t;
                     79:
                     80: #define        PT_FIRSTMACH    32      /* for machine-specific requests */
                     81: #include <machine/ptrace.h>    /* machine-specific requests, if any */
                     82:
                     83: #ifdef _KERNEL
                     84:
                     85: /*
                     86:  * There is a bunch of PT_ requests that are machine dependent, but not
                     87:  * optional. Check if they were defined by MD code here.
                     88:  */
                     89: #if !defined(PT_GETREGS) || !defined(PT_SETREGS)
                     90: #error Machine dependent ptrace not complete.
                     91: #endif
                     92:
                     93: struct reg;
                     94: #if defined(PT_GETFPREGS) || defined(PT_SETFPREGS)
                     95: struct fpreg;
                     96: #endif
                     97:
                     98: void   proc_reparent(struct proc *child, struct proc *newparent);
                     99: #ifdef PT_GETFPREGS
                    100: int    process_read_fpregs(struct proc *p, struct fpreg *regs);
                    101: #endif
                    102: int    process_read_regs(struct proc *p, struct reg *regs);
                    103: int    process_set_pc(struct proc *p, caddr_t addr);
                    104: int    process_sstep(struct proc *p, int sstep);
                    105: #ifdef PT_SETFPREGS
                    106: int    process_write_fpregs(struct proc *p, struct fpreg *regs);
                    107: #endif
                    108: int    process_write_regs(struct proc *p, struct reg *regs);
                    109: int    process_checkioperm(struct proc *, struct proc *);
                    110: int    process_domem(struct proc *, struct proc *, struct uio *, int);
                    111:
                    112: #ifndef FIX_SSTEP
                    113: #define FIX_SSTEP(p)
                    114: #endif
                    115:
                    116: #else /* !_KERNEL */
                    117:
                    118: #include <sys/cdefs.h>
                    119:
                    120: __BEGIN_DECLS
                    121: int    ptrace(int _request, pid_t _pid, caddr_t _addr, int _data);
                    122: __END_DECLS
                    123:
                    124: #endif /* !_KERNEL */
                    125:
                    126: #endif /* !_SYS_PTRACE_H_ */