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553cb3ed46
sys/param.h was manually adjusted to not define __NetBSD_Version__ since it will be defined by the compiler.
365 lines
No EOL
12 KiB
C
Vendored
365 lines
No EOL
12 KiB
C
Vendored
/* $NetBSD: ptrace.h,v 1.75 2022/06/08 23:12:27 andvar Exp $ */
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/*-
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* Copyright (c) 1984, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)ptrace.h 8.2 (Berkeley) 1/4/94
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*/
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#ifndef _SYS_PTRACE_H_
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#define _SYS_PTRACE_H_
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#include <sys/siginfo.h>
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#include <sys/signal.h>
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#define PT_TRACE_ME 0 /* child declares it's being traced */
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#define PT_READ_I 1 /* read word in child's I space */
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#define PT_READ_D 2 /* read word in child's D space */
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#define PT_WRITE_I 4 /* write word in child's I space */
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#define PT_WRITE_D 5 /* write word in child's D space */
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#define PT_CONTINUE 7 /* continue the child */
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#define PT_KILL 8 /* kill the child process */
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#define PT_ATTACH 9 /* attach to running process */
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#define PT_DETACH 10 /* detach from running process */
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#define PT_IO 11 /* do I/O to/from the stopped process */
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#define PT_DUMPCORE 12 /* make child generate a core dump */
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#if defined(__LEGACY_PT_LWPINFO) || defined(_KERNEL)
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#define PT_LWPINFO 13 /* OBSOLETE: get info about the LWP */
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#endif
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#define PT_SYSCALL 14 /* stop on syscall entry/exit */
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#define PT_SYSCALLEMU 15 /* cancel syscall, tracer emulates it */
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#define PT_SET_EVENT_MASK 16 /* set the event mask, defined below */
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#define PT_GET_EVENT_MASK 17 /* get the event mask, defined below */
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#define PT_GET_PROCESS_STATE 18 /* get process state, defined below */
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#define PT_SET_SIGINFO 19 /* set signal state, defined below */
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#define PT_GET_SIGINFO 20 /* get signal state, defined below */
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#define PT_RESUME 21 /* allow execution of the LWP */
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#define PT_SUSPEND 22 /* prevent execution of the LWP */
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#define PT_STOP 23 /* stop the child process */
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#define PT_LWPSTATUS 24 /* get info about the LWP */
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#define PT_LWPNEXT 25 /* get info about next LWP */
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#define PT_SET_SIGPASS 26 /* set signals to pass to debuggee */
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#define PT_GET_SIGPASS 27 /* get signals to pass to debuggee */
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#define PT_FIRSTMACH 32 /* for machine-specific requests */
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#include <machine/ptrace.h> /* machine-specific requests, if any */
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#define PT_STRINGS \
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/* 0 */ "PT_TRACE_ME", \
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/* 1 */ "PT_READ_I", \
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/* 2 */ "PT_READ_D", \
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/* 3 */ "*PT_INVALID_3*", \
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/* 4 */ "PT_WRITE_I", \
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/* 5 */ "PT_WRITE_D", \
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/* 6 */ "*PT_INVALID_6*", \
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/* 7 */ "PT_CONTINUE", \
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/* 8 */ "PT_KILL", \
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/* 9 */ "PT_ATTACH", \
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/* 10 */ "PT_DETACH", \
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/* 11 */ "PT_IO", \
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/* 12 */ "PT_DUMPCORE", \
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/* 13 */ "PT_LWPINFO", \
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/* 14 */ "PT_SYSCALL", \
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/* 15 */ "PT_SYSCALLEMU", \
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/* 16 */ "PT_SET_EVENT_MASK", \
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/* 17 */ "PT_GET_EVENT_MASK", \
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/* 18 */ "PT_GET_PROCESS_STATE", \
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/* 19 */ "PT_SET_SIGINFO", \
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/* 20 */ "PT_GET_SIGINFO", \
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/* 21 */ "PT_RESUME", \
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/* 22 */ "PT_SUSPEND", \
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/* 23 */ "PT_STOP", \
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/* 24 */ "PT_LWPSTATUS", \
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/* 25 */ "PT_LWPNEXT", \
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/* 26 */ "PT_SET_SIGPASS", \
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/* 27 */ "PT_GET_SIGPASS"
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/* PT_{G,S}EVENT_MASK */
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typedef struct ptrace_event {
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int pe_set_event;
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} ptrace_event_t;
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/* PT_GET_PROCESS_STATE */
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typedef struct ptrace_state {
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int pe_report_event;
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union {
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pid_t _pe_other_pid;
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lwpid_t _pe_lwp;
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} _option;
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} ptrace_state_t;
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#define pe_other_pid _option._pe_other_pid
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#define pe_lwp _option._pe_lwp
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#define PTRACE_FORK 0x0001 /* Report forks */
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#define PTRACE_VFORK 0x0002 /* Report vforks */
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#define PTRACE_VFORK_DONE 0x0004 /* Report parent resumed from vforks */
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#define PTRACE_LWP_CREATE 0x0008 /* Report LWP creation */
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#define PTRACE_LWP_EXIT 0x0010 /* Report LWP termination */
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#define PTRACE_POSIX_SPAWN 0x0020 /* Report posix_spawn */
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/*
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* Argument structure for PT_IO.
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*/
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struct ptrace_io_desc {
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int piod_op; /* I/O operation (see below) */
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void *piod_offs; /* child offset */
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void *piod_addr; /* parent offset */
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size_t piod_len; /* request length (in)/actual count (out) */
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};
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/* piod_op */
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#define PIOD_READ_D 1 /* read from D space */
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#define PIOD_WRITE_D 2 /* write to D space */
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#define PIOD_READ_I 3 /* read from I space */
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#define PIOD_WRITE_I 4 /* write to I space */
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#define PIOD_READ_AUXV 5 /* Read from aux array */
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#if defined(__LEGACY_PT_LWPINFO) || defined(_KERNEL)
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/*
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* Argument structure for PT_LWPINFO.
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*
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* DEPRECATED: Use ptrace_lwpstatus.
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*/
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struct ptrace_lwpinfo {
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lwpid_t pl_lwpid; /* LWP described */
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int pl_event; /* Event that stopped the LWP */
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};
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#define PL_EVENT_NONE 0
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#define PL_EVENT_SIGNAL 1
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#define PL_EVENT_SUSPENDED 2
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#endif
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/*
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* Argument structure for PT_LWPSTATUS.
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*/
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#define PL_LNAMELEN 20 /* extra 4 for alignment */
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struct ptrace_lwpstatus {
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lwpid_t pl_lwpid; /* LWP described */
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sigset_t pl_sigpend; /* LWP signals pending */
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sigset_t pl_sigmask; /* LWP signal mask */
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char pl_name[PL_LNAMELEN]; /* LWP name, may be empty */
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void *pl_private; /* LWP private data */
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/* Add fields at the end */
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};
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/*
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* Signal Information structure
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*/
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typedef struct ptrace_siginfo {
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siginfo_t psi_siginfo; /* signal information structure */
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lwpid_t psi_lwpid; /* destination LWP of the signal
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* value 0 means the whole process
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* (route signal to all LWPs) */
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} ptrace_siginfo_t;
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#ifdef _KERNEL
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#ifdef _KERNEL_OPT
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#include "opt_compat_netbsd32.h"
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#endif
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#ifdef COMPAT_NETBSD32
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#include <compat/netbsd32/netbsd32.h>
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#define process_read_lwpstatus32 netbsd32_read_lwpstatus
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#define process_lwpstatus32 struct netbsd32_ptrace_lwpstatus
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#endif
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#ifndef process_lwpstatus32
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#define process_lwpstatus32 struct ptrace_lwpstatus
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#endif
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#ifndef process_lwpstatus64
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#define process_lwpstatus64 struct ptrace_lwpstatus
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#endif
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#if defined(PT_GETREGS) || defined(PT_SETREGS)
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struct reg;
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#ifndef process_reg32
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#define process_reg32 struct reg
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#endif
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#ifndef process_reg64
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#define process_reg64 struct reg
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#endif
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#endif
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#if defined(PT_GETFPREGS) || defined(PT_SETFPREGS)
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struct fpreg;
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#ifndef process_fpreg32
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#define process_fpreg32 struct fpreg
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#endif
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#ifndef process_fpreg64
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#define process_fpreg64 struct fpreg
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#endif
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#endif
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#if defined(PT_GETDBREGS) || defined(PT_SETDBREGS)
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struct dbreg;
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#ifndef process_dbreg32
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#define process_dbreg32 struct dbreg
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#endif
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#ifndef process_dbreg64
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#define process_dbreg64 struct dbreg
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#endif
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#endif
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struct ptrace_methods {
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int (*ptm_copyin_piod)(struct ptrace_io_desc *, const void *, size_t);
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int (*ptm_copyout_piod)(const struct ptrace_io_desc *, void *, size_t);
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int (*ptm_copyin_siginfo)(struct ptrace_siginfo *, const void *, size_t);
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int (*ptm_copyout_siginfo)(const struct ptrace_siginfo *, void *, size_t);
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int (*ptm_copyout_lwpstatus)(const struct ptrace_lwpstatus *, void *, size_t);
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int (*ptm_doregs)(struct lwp *, struct lwp *, struct uio *);
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int (*ptm_dofpregs)(struct lwp *, struct lwp *, struct uio *);
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int (*ptm_dodbregs)(struct lwp *, struct lwp *, struct uio *);
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};
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int ptrace_update_lwp(struct proc *t, struct lwp **lt, lwpid_t lid);
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void ptrace_hooks(void);
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int process_doregs(struct lwp *, struct lwp *, struct uio *);
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int process_validregs(struct lwp *);
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int process_dofpregs(struct lwp *, struct lwp *, struct uio *);
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int process_validfpregs(struct lwp *);
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int process_dodbregs(struct lwp *, struct lwp *, struct uio *);
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int process_validdbregs(struct lwp *);
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int process_domem(struct lwp *, struct lwp *, struct uio *);
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void proc_stoptrace(int, int, const register_t[], const register_t *, int);
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void proc_reparent(struct proc *, struct proc *);
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void proc_changeparent(struct proc *, struct proc *);
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int do_ptrace(struct ptrace_methods *, struct lwp *, int, pid_t, void *,
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int, register_t *);
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void ptrace_read_lwpstatus(struct lwp *, struct ptrace_lwpstatus *);
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void process_read_lwpstatus(struct lwp *, struct ptrace_lwpstatus *);
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#ifndef process_read_lwpstatus32
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#define process_read_lwpstatus32 process_read_lwpstatus
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#endif
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#ifndef process_read_lwpstatus64
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#define process_read_lwpstatus64 process_read_lwpstatus
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#endif
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/*
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* 64bit architectures that support 32bit emulation (amd64 and sparc64)
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* will #define process_read_regs32 to netbsd32_process_read_regs (etc).
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* In all other cases these #defines drop the size suffix.
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*/
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#ifdef PT_GETDBREGS
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int process_read_dbregs(struct lwp *, struct dbreg *, size_t *);
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#ifndef process_read_dbregs32
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#define process_read_dbregs32 process_read_dbregs
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#endif
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#ifndef process_read_dbregs64
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#define process_read_dbregs64 process_read_dbregs
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#endif
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#endif
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#ifdef PT_GETFPREGS
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int process_read_fpregs(struct lwp *, struct fpreg *, size_t *);
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#ifndef process_read_fpregs32
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#define process_read_fpregs32 process_read_fpregs
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#endif
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#ifndef process_read_fpregs64
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#define process_read_fpregs64 process_read_fpregs
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#endif
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#endif
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#ifdef PT_GETREGS
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int process_read_regs(struct lwp *, struct reg *);
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#ifndef process_read_regs32
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#define process_read_regs32 process_read_regs
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#endif
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#ifndef process_read_regs64
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#define process_read_regs64 process_read_regs
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#endif
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#endif
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int process_set_pc(struct lwp *, void *);
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int process_sstep(struct lwp *, int);
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#ifdef PT_SETDBREGS
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int process_write_dbregs(struct lwp *, const struct dbreg *, size_t);
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#ifndef process_write_dbregs32
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#define process_write_dbregs32 process_write_dbregs
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#endif
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#ifndef process_write_dbregs64
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#define process_write_dbregs64 process_write_dbregs
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#endif
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#endif
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#ifdef PT_SETFPREGS
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int process_write_fpregs(struct lwp *, const struct fpreg *, size_t);
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#ifndef process_write_fpregs32
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#define process_write_fpregs32 process_write_fpregs
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#endif
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#ifndef process_write_fpregs64
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#define process_write_fpregs64 process_write_fpregs
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#endif
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#endif
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#ifdef PT_SETREGS
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int process_write_regs(struct lwp *, const struct reg *);
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#ifndef process_write_regs32
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#define process_write_regs32 process_write_regs
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#endif
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#ifndef process_write_regs64
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#define process_write_regs64 process_write_regs
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#endif
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#endif
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int ptrace_machdep_dorequest(struct lwp *, struct lwp **, int,
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void *, int);
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#ifndef FIX_SSTEP
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#define FIX_SSTEP(p)
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#endif
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typedef int (*ptrace_regrfunc_t)(struct lwp *, void *, size_t *);
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typedef int (*ptrace_regwfunc_t)(struct lwp *, void *, size_t);
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#if defined(PT_SETREGS) || defined(PT_GETREGS) || \
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defined(PT_SETFPREGS) || defined(PT_GETFPREGS) || \
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defined(PT_SETDBREGS) || defined(PT_GETDBREGS)
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# define PT_REGISTERS
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#endif
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#else /* !_KERNEL */
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#include <sys/cdefs.h>
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__BEGIN_DECLS
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int ptrace(int _request, pid_t _pid, void *_addr, int _data);
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__END_DECLS
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#endif /* !_KERNEL */
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#endif /* !_SYS_PTRACE_H_ */ |