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/*-
* 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.
* 4. 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
* $FreeBSD: release/9.1.0/sys/sys/ptrace.h 231887 2012-02-18 00:45:59Z kib $
*/
#ifndef _SYS_PTRACE_H_
#define _SYS_PTRACE_H_
#include <sys/signal.h>
#include <sys/param.h>
#include <machine/reg.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 */
/* was 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 */
/* was 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 */
#define PT_ATTACH 10 /* trace some running process */
#define PT_DETACH 11 /* stop tracing a process */
#define PT_IO 12 /* do I/O to/from stopped process. */
#define PT_LWPINFO 13 /* Info about the LWP that stopped. */
#define PT_GETNUMLWPS 14 /* get total number of threads */
#define PT_GETLWPLIST 15 /* get thread list */
#define PT_CLEARSTEP 16 /* turn off single step */
#define PT_SETSTEP 17 /* turn on single step */
#define PT_SUSPEND 18 /* suspend a thread */
#define PT_RESUME 19 /* resume a thread */
#define PT_TO_SCE 20
#define PT_TO_SCX 21
#define PT_SYSCALL 22
#define PT_FOLLOW_FORK 23
#define PT_GETREGS 33 /* get general-purpose registers */
#define PT_SETREGS 34 /* set general-purpose registers */
#define PT_GETFPREGS 35 /* get floating-point registers */
#define PT_SETFPREGS 36 /* set floating-point registers */
#define PT_GETDBREGS 37 /* get debugging registers */
#define PT_SETDBREGS 38 /* set debugging registers */
#define PT_VM_TIMESTAMP 40 /* Get VM version (timestamp) */
#define PT_VM_ENTRY 41 /* Get VM map (entry) */
#define PT_FIRSTMACH 64 /* for machine-specific requests */
#include <machine/ptrace.h> /* machine-specific requests, if any */
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 */
/* Argument structure for PT_LWPINFO. */
struct ptrace_lwpinfo {
lwpid_t pl_lwpid; /* LWP described. */
int pl_event; /* Event that stopped the LWP. */
#define PL_EVENT_NONE 0
#define PL_EVENT_SIGNAL 1
int pl_flags; /* LWP flags. */
#define PL_FLAG_SA 0x01 /* M:N thread */
#define PL_FLAG_BOUND 0x02 /* M:N bound thread */
#define PL_FLAG_SCE 0x04 /* syscall enter point */
#define PL_FLAG_SCX 0x08 /* syscall leave point */
#define PL_FLAG_EXEC 0x10 /* exec(2) succeeded */
#define PL_FLAG_SI 0x20 /* siginfo is valid */
#define PL_FLAG_FORKED 0x40 /* new child */
#define PL_FLAG_CHILD 0x80 /* I am from child */
sigset_t pl_sigmask; /* LWP signal mask */
sigset_t pl_siglist; /* LWP pending signal */
struct __siginfo pl_siginfo; /* siginfo for signal */
char pl_tdname[MAXCOMLEN + 1]; /* LWP name */
int pl_child_pid; /* New child pid */
};
/* Argument structure for PT_VM_ENTRY. */
struct ptrace_vm_entry {
int pve_entry; /* Entry number used for iteration. */
int pve_timestamp; /* Generation number of VM map. */
u_long pve_start; /* Start VA of range. */
u_long pve_end; /* End VA of range (incl). */
u_long pve_offset; /* Offset in backing object. */
u_int pve_prot; /* Protection of memory range. */
u_int pve_pathlen; /* Size of path. */
long pve_fileid; /* File ID. */
uint32_t pve_fsid; /* File system ID. */
char *pve_path; /* Path name of object. */
};
#ifdef _KERNEL
/*
* The flags below are used for ptrace(2) tracing and have no relation
* to procfs. They are stored in struct proc's p_stops member.
*/
#define S_PT_SCE 0x000010000
#define S_PT_SCX 0x000020000
int ptrace_set_pc(struct thread *_td, unsigned long _addr);
int ptrace_single_step(struct thread *_td);
int ptrace_clear_single_step(struct thread *_td);
#ifdef __HAVE_PTRACE_MACHDEP
int cpu_ptrace(struct thread *_td, int _req, void *_addr, int _data);
#endif
/*
* These are prototypes for functions that implement some of the
* debugging functionality exported by procfs / linprocfs and by the
* ptrace(2) syscall. They used to be part of procfs, but they don't
* really belong there.
*/
struct reg;
struct fpreg;
struct dbreg;
struct uio;
int proc_read_regs(struct thread *_td, struct reg *_reg);
int proc_write_regs(struct thread *_td, struct reg *_reg);
int proc_read_fpregs(struct thread *_td, struct fpreg *_fpreg);
int proc_write_fpregs(struct thread *_td, struct fpreg *_fpreg);
int proc_read_dbregs(struct thread *_td, struct dbreg *_dbreg);
int proc_write_dbregs(struct thread *_td, struct dbreg *_dbreg);
int proc_sstep(struct thread *_td);
int proc_rwmem(struct proc *_p, struct uio *_uio);
#ifdef COMPAT_FREEBSD32
struct reg32;
struct fpreg32;
struct dbreg32;
int proc_read_regs32(struct thread *_td, struct reg32 *_reg32);
int proc_write_regs32(struct thread *_td, struct reg32 *_reg32);
int proc_read_fpregs32(struct thread *_td, struct fpreg32 *_fpreg32);
int proc_write_fpregs32(struct thread *_td, struct fpreg32 *_fpreg32);
int proc_read_dbregs32(struct thread *_td, struct dbreg32 *_dbreg32);
int proc_write_dbregs32(struct thread *_td, struct dbreg32 *_dbreg32);
#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_ */