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/* $NetBSD: ptrace.h,v 1.75 2022/06/08 23:12:27 andvar 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_
#include <sys/siginfo.h>
#include <sys/signal.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 child generate a core dump */
#if defined(__LEGACY_PT_LWPINFO) || defined(_KERNEL)
#define PT_LWPINFO 13 /* OBSOLETE: get info about the LWP */
#endif
#define PT_SYSCALL 14 /* stop on syscall entry/exit */
#define PT_SYSCALLEMU 15 /* cancel syscall, tracer emulates it */
#define PT_SET_EVENT_MASK 16 /* set the event mask, defined below */
#define PT_GET_EVENT_MASK 17 /* get the event mask, defined below */
#define PT_GET_PROCESS_STATE 18 /* get process state, defined below */
#define PT_SET_SIGINFO 19 /* set signal state, defined below */
#define PT_GET_SIGINFO 20 /* get signal state, defined below */
#define PT_RESUME 21 /* allow execution of the LWP */
#define PT_SUSPEND 22 /* prevent execution of the LWP */
#define PT_STOP 23 /* stop the child process */
#define PT_LWPSTATUS 24 /* get info about the LWP */
#define PT_LWPNEXT 25 /* get info about next LWP */
#define PT_SET_SIGPASS 26 /* set signals to pass to debuggee */
#define PT_GET_SIGPASS 27 /* get signals to pass to debuggee */
#define PT_FIRSTMACH 32 /* for machine-specific requests */
#include <machine/ptrace.h> /* machine-specific requests, if any */
#define PT_STRINGS \
/* 0 */ "PT_TRACE_ME", \
/* 1 */ "PT_READ_I", \
/* 2 */ "PT_READ_D", \
/* 3 */ "*PT_INVALID_3*", \
/* 4 */ "PT_WRITE_I", \
/* 5 */ "PT_WRITE_D", \
/* 6 */ "*PT_INVALID_6*", \
/* 7 */ "PT_CONTINUE", \
/* 8 */ "PT_KILL", \
/* 9 */ "PT_ATTACH", \
/* 10 */ "PT_DETACH", \
/* 11 */ "PT_IO", \
/* 12 */ "PT_DUMPCORE", \
/* 13 */ "PT_LWPINFO", \
/* 14 */ "PT_SYSCALL", \
/* 15 */ "PT_SYSCALLEMU", \
/* 16 */ "PT_SET_EVENT_MASK", \
/* 17 */ "PT_GET_EVENT_MASK", \
/* 18 */ "PT_GET_PROCESS_STATE", \
/* 19 */ "PT_SET_SIGINFO", \
/* 20 */ "PT_GET_SIGINFO", \
/* 21 */ "PT_RESUME", \
/* 22 */ "PT_SUSPEND", \
/* 23 */ "PT_STOP", \
/* 24 */ "PT_LWPSTATUS", \
/* 25 */ "PT_LWPNEXT", \
/* 26 */ "PT_SET_SIGPASS", \
/* 27 */ "PT_GET_SIGPASS"
/* PT_{G,S}EVENT_MASK */
typedef struct ptrace_event {
int pe_set_event;
} ptrace_event_t;
/* PT_GET_PROCESS_STATE */
typedef struct ptrace_state {
int pe_report_event;
union {
pid_t _pe_other_pid;
lwpid_t _pe_lwp;
} _option;
} ptrace_state_t;
#define pe_other_pid _option._pe_other_pid
#define pe_lwp _option._pe_lwp
#define PTRACE_FORK 0x0001 /* Report forks */
#define PTRACE_VFORK 0x0002 /* Report vforks */
#define PTRACE_VFORK_DONE 0x0004 /* Report parent resumed from vforks */
#define PTRACE_LWP_CREATE 0x0008 /* Report LWP creation */
#define PTRACE_LWP_EXIT 0x0010 /* Report LWP termination */
#define PTRACE_POSIX_SPAWN 0x0020 /* Report posix_spawn */
/*
* 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 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 */
#if defined(__LEGACY_PT_LWPINFO) || defined(_KERNEL)
/*
* Argument structure for PT_LWPINFO.
*
* DEPRECATED: Use ptrace_lwpstatus.
*/
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
#define PL_EVENT_SUSPENDED 2
#endif
/*
* Argument structure for PT_LWPSTATUS.
*/
#define PL_LNAMELEN 20 /* extra 4 for alignment */
struct ptrace_lwpstatus {
lwpid_t pl_lwpid; /* LWP described */
sigset_t pl_sigpend; /* LWP signals pending */
sigset_t pl_sigmask; /* LWP signal mask */
char pl_name[PL_LNAMELEN]; /* LWP name, may be empty */
void *pl_private; /* LWP private data */
/* Add fields at the end */
};
/*
* Signal Information structure
*/
typedef struct ptrace_siginfo {
siginfo_t psi_siginfo; /* signal information structure */
lwpid_t psi_lwpid; /* destination LWP of the signal
* value 0 means the whole process
* (route signal to all LWPs) */
} ptrace_siginfo_t;
#ifdef _KERNEL
#ifdef _KERNEL_OPT
#include "opt_compat_netbsd32.h"
#endif
#ifdef COMPAT_NETBSD32
#include <compat/netbsd32/netbsd32.h>
#define process_read_lwpstatus32 netbsd32_read_lwpstatus
#define process_lwpstatus32 struct netbsd32_ptrace_lwpstatus
#endif
#ifndef process_lwpstatus32
#define process_lwpstatus32 struct ptrace_lwpstatus
#endif
#ifndef process_lwpstatus64
#define process_lwpstatus64 struct ptrace_lwpstatus
#endif
#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
#if defined(PT_GETDBREGS) || defined(PT_SETDBREGS)
struct dbreg;
#ifndef process_dbreg32
#define process_dbreg32 struct dbreg
#endif
#ifndef process_dbreg64
#define process_dbreg64 struct dbreg
#endif
#endif
struct ptrace_methods {
int (*ptm_copyin_piod)(struct ptrace_io_desc *, const void *, size_t);
int (*ptm_copyout_piod)(const struct ptrace_io_desc *, void *, size_t);
int (*ptm_copyin_siginfo)(struct ptrace_siginfo *, const void *, size_t);
int (*ptm_copyout_siginfo)(const struct ptrace_siginfo *, void *, size_t);
int (*ptm_copyout_lwpstatus)(const struct ptrace_lwpstatus *, void *, size_t);
int (*ptm_doregs)(struct lwp *, struct lwp *, struct uio *);
int (*ptm_dofpregs)(struct lwp *, struct lwp *, struct uio *);
int (*ptm_dodbregs)(struct lwp *, struct lwp *, struct uio *);
};
int ptrace_update_lwp(struct proc *t, struct lwp **lt, lwpid_t lid);
void ptrace_hooks(void);
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_dodbregs(struct lwp *, struct lwp *, struct uio *);
int process_validdbregs(struct lwp *);
int process_domem(struct lwp *, struct lwp *, struct uio *);
void proc_stoptrace(int, int, const register_t[], const register_t *, int);
void proc_reparent(struct proc *, struct proc *);
void proc_changeparent(struct proc *, struct proc *);
int do_ptrace(struct ptrace_methods *, struct lwp *, int, pid_t, void *,
int, register_t *);
void ptrace_read_lwpstatus(struct lwp *, struct ptrace_lwpstatus *);
void process_read_lwpstatus(struct lwp *, struct ptrace_lwpstatus *);
#ifndef process_read_lwpstatus32
#define process_read_lwpstatus32 process_read_lwpstatus
#endif
#ifndef process_read_lwpstatus64
#define process_read_lwpstatus64 process_read_lwpstatus
#endif
/*
* 64bit architectures that support 32bit emulation (amd64 and sparc64)
* will #define process_read_regs32 to netbsd32_process_read_regs (etc).
* In all other cases these #defines drop the size suffix.
*/
#ifdef PT_GETDBREGS
int process_read_dbregs(struct lwp *, struct dbreg *, size_t *);
#ifndef process_read_dbregs32
#define process_read_dbregs32 process_read_dbregs
#endif
#ifndef process_read_dbregs64
#define process_read_dbregs64 process_read_dbregs
#endif
#endif
#ifdef PT_GETFPREGS
int process_read_fpregs(struct lwp *, struct fpreg *, size_t *);
#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_SETDBREGS
int process_write_dbregs(struct lwp *, const struct dbreg *, size_t);
#ifndef process_write_dbregs32
#define process_write_dbregs32 process_write_dbregs
#endif
#ifndef process_write_dbregs64
#define process_write_dbregs64 process_write_dbregs
#endif
#endif
#ifdef PT_SETFPREGS
int process_write_fpregs(struct lwp *, const struct fpreg *, size_t);
#ifndef process_write_fpregs32
#define process_write_fpregs32 process_write_fpregs
#endif
#ifndef process_write_fpregs64
#define process_write_fpregs64 process_write_fpregs
#endif
#endif
#ifdef PT_SETREGS
int process_write_regs(struct lwp *, const struct reg *);
#ifndef process_write_regs32
#define process_write_regs32 process_write_regs
#endif
#ifndef process_write_regs64
#define process_write_regs64 process_write_regs
#endif
#endif
int ptrace_machdep_dorequest(struct lwp *, struct lwp **, int,
void *, int);
#ifndef FIX_SSTEP
#define FIX_SSTEP(p)
#endif
typedef int (*ptrace_regrfunc_t)(struct lwp *, void *, size_t *);
typedef int (*ptrace_regwfunc_t)(struct lwp *, void *, size_t);
#if defined(PT_SETREGS) || defined(PT_GETREGS) || \
defined(PT_SETFPREGS) || defined(PT_GETFPREGS) || \
defined(PT_SETDBREGS) || defined(PT_GETDBREGS)
# define PT_REGISTERS
#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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