ptrace.h revision 217819
11541Srgrimes/*- 21541Srgrimes * Copyright (c) 1984, 1993 31541Srgrimes * The Regents of the University of California. All rights reserved. 41541Srgrimes * 51541Srgrimes * Redistribution and use in source and binary forms, with or without 61541Srgrimes * modification, are permitted provided that the following conditions 71541Srgrimes * are met: 81541Srgrimes * 1. Redistributions of source code must retain the above copyright 91541Srgrimes * notice, this list of conditions and the following disclaimer. 101541Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 111541Srgrimes * notice, this list of conditions and the following disclaimer in the 121541Srgrimes * documentation and/or other materials provided with the distribution. 131541Srgrimes * 4. Neither the name of the University nor the names of its contributors 141541Srgrimes * may be used to endorse or promote products derived from this software 151541Srgrimes * without specific prior written permission. 161541Srgrimes * 171541Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 181541Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 191541Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 201541Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 211541Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 221541Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 231541Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 241541Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 251541Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 261541Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 271541Srgrimes * SUCH DAMAGE. 281541Srgrimes * 291541Srgrimes * @(#)ptrace.h 8.2 (Berkeley) 1/4/94 3050477Speter * $FreeBSD: head/sys/sys/ptrace.h 217819 2011-01-25 10:59:21Z kib $ 311541Srgrimes */ 321541Srgrimes 331541Srgrimes#ifndef _SYS_PTRACE_H_ 341541Srgrimes#define _SYS_PTRACE_H_ 351541Srgrimes 36209688Skib#include <sys/signal.h> 37215679Sattilio#include <sys/param.h> 38205014Snwhitehorn#include <machine/reg.h> 39155381Sdavidxu 401541Srgrimes#define PT_TRACE_ME 0 /* child declares it's being traced */ 411541Srgrimes#define PT_READ_I 1 /* read word in child's I space */ 421541Srgrimes#define PT_READ_D 2 /* read word in child's D space */ 4381265Speter/* was PT_READ_U 3 * read word in child's user structure */ 441541Srgrimes#define PT_WRITE_I 4 /* write word in child's I space */ 451541Srgrimes#define PT_WRITE_D 5 /* write word in child's D space */ 4681265Speter/* was PT_WRITE_U 6 * write word in child's user structure */ 471541Srgrimes#define PT_CONTINUE 7 /* continue the child */ 481541Srgrimes#define PT_KILL 8 /* kill the child process */ 491541Srgrimes#define PT_STEP 9 /* single step the child */ 501945Sdg 511541Srgrimes#define PT_ATTACH 10 /* trace some running process */ 521541Srgrimes#define PT_DETACH 11 /* stop tracing a process */ 5392395Sdes#define PT_IO 12 /* do I/O to/from stopped process. */ 54132016Smarcel#define PT_LWPINFO 13 /* Info about the LWP that stopped. */ 55132089Sdavidxu#define PT_GETNUMLWPS 14 /* get total number of threads */ 56132089Sdavidxu#define PT_GETLWPLIST 15 /* get thread list */ 57132089Sdavidxu#define PT_CLEARSTEP 16 /* turn off single step */ 58132089Sdavidxu#define PT_SETSTEP 17 /* turn on single step */ 59132089Sdavidxu#define PT_SUSPEND 18 /* suspend a thread */ 60132089Sdavidxu#define PT_RESUME 19 /* resume a thread */ 611541Srgrimes 62120937Srobert#define PT_TO_SCE 20 63120937Srobert#define PT_TO_SCX 21 64120937Srobert#define PT_SYSCALL 22 65120937Srobert 66217819Skib#define PT_FOLLOW_FORK 23 67217819Skib 6892383Sdes#define PT_GETREGS 33 /* get general-purpose registers */ 6992383Sdes#define PT_SETREGS 34 /* set general-purpose registers */ 7092383Sdes#define PT_GETFPREGS 35 /* get floating-point registers */ 7192383Sdes#define PT_SETFPREGS 36 /* set floating-point registers */ 7292383Sdes#define PT_GETDBREGS 37 /* get debugging registers */ 7392383Sdes#define PT_SETDBREGS 38 /* set debugging registers */ 74203696Smarcel 75203696Smarcel#define PT_VM_TIMESTAMP 40 /* Get VM version (timestamp) */ 76203696Smarcel#define PT_VM_ENTRY 41 /* Get VM map (entry) */ 77203696Smarcel 78132089Sdavidxu#define PT_FIRSTMACH 64 /* for machine-specific requests */ 791541Srgrimes#include <machine/ptrace.h> /* machine-specific requests, if any */ 801541Srgrimes 8192395Sdesstruct ptrace_io_desc { 8292395Sdes int piod_op; /* I/O operation */ 8392395Sdes void *piod_offs; /* child offset */ 8492395Sdes void *piod_addr; /* parent offset */ 8592395Sdes size_t piod_len; /* request length */ 8692395Sdes}; 8792395Sdes 8892395Sdes/* 8992395Sdes * Operations in piod_op. 9092395Sdes */ 9192395Sdes#define PIOD_READ_D 1 /* Read from D space */ 9292395Sdes#define PIOD_WRITE_D 2 /* Write to D space */ 9392395Sdes#define PIOD_READ_I 3 /* Read from I space */ 9492395Sdes#define PIOD_WRITE_I 4 /* Write to I space */ 9592395Sdes 96132016Smarcel/* Argument structure for PT_LWPINFO. */ 97132016Smarcelstruct ptrace_lwpinfo { 98132016Smarcel lwpid_t pl_lwpid; /* LWP described. */ 99132016Smarcel int pl_event; /* Event that stopped the LWP. */ 100132016Smarcel#define PL_EVENT_NONE 0 101132016Smarcel#define PL_EVENT_SIGNAL 1 102133337Sdavidxu int pl_flags; /* LWP flags. */ 103133337Sdavidxu#define PL_FLAG_SA 0x01 /* M:N thread */ 104133337Sdavidxu#define PL_FLAG_BOUND 0x02 /* M:N bound thread */ 105208453Skib#define PL_FLAG_SCE 0x04 /* syscall enter point */ 106208453Skib#define PL_FLAG_SCX 0x08 /* syscall leave point */ 107208453Skib#define PL_FLAG_EXEC 0x10 /* exec(2) succeeded */ 108209688Skib#define PL_FLAG_SI 0x20 /* siginfo is valid */ 109217819Skib#define PL_FLAG_FORKED 0x40 /* new child */ 110155381Sdavidxu sigset_t pl_sigmask; /* LWP signal mask */ 111155381Sdavidxu sigset_t pl_siglist; /* LWP pending signal */ 112209688Skib struct __siginfo pl_siginfo; /* siginfo for signal */ 113215679Sattilio char pl_tdname[MAXCOMLEN + 1]; /* LWP name */ 114217819Skib int pl_child_pid; /* New child pid */ 115132016Smarcel}; 116132016Smarcel 117203696Smarcel/* Argument structure for PT_VM_ENTRY. */ 118203696Smarcelstruct ptrace_vm_entry { 119203783Smarcel int pve_entry; /* Entry number used for iteration. */ 120203783Smarcel int pve_timestamp; /* Generation number of VM map. */ 121203783Smarcel u_long pve_start; /* Start VA of range. */ 122203783Smarcel u_long pve_end; /* End VA of range (incl). */ 123203783Smarcel u_long pve_offset; /* Offset in backing object. */ 124203783Smarcel u_int pve_prot; /* Protection of memory range. */ 125203783Smarcel u_int pve_pathlen; /* Size of path. */ 126203783Smarcel long pve_fileid; /* File ID. */ 127203783Smarcel uint32_t pve_fsid; /* File system ID. */ 128203783Smarcel char *pve_path; /* Path name of object. */ 129203696Smarcel}; 130203696Smarcel 13155205Speter#ifdef _KERNEL 132120937Srobert 133120937Srobert#define PTRACESTOP_SC(p, td, flag) \ 134120937Srobert if ((p)->p_flag & P_TRACED && (p)->p_stops & (flag)) { \ 135120937Srobert PROC_LOCK(p); \ 136120937Srobert ptracestop((td), SIGTRAP); \ 137145691Scperciva PROC_UNLOCK(p); \ 138120937Srobert } 139120937Srobert/* 140120937Srobert * The flags below are used for ptrace(2) tracing and have no relation 141120937Srobert * to procfs. They are stored in struct proc's p_stops member. 142120937Srobert */ 143120937Srobert#define S_PT_SCE 0x000010000 144120937Srobert#define S_PT_SCX 0x000020000 145120937Srobert 14684637Sdesint ptrace_set_pc(struct thread *_td, unsigned long _addr); 14784637Sdesint ptrace_single_step(struct thread *_td); 148132089Sdavidxuint ptrace_clear_single_step(struct thread *_td); 14984637Sdes 150118932Smarcel#ifdef __HAVE_PTRACE_MACHDEP 151118932Smarcelint cpu_ptrace(struct thread *_td, int _req, void *_addr, int _data); 152118932Smarcel#endif 153118932Smarcel 15484637Sdes/* 15584637Sdes * These are prototypes for functions that implement some of the 15684637Sdes * debugging functionality exported by procfs / linprocfs and by the 15784637Sdes * ptrace(2) syscall. They used to be part of procfs, but they don't 15884637Sdes * really belong there. 15984637Sdes */ 16084637Sdesstruct reg; 16184637Sdesstruct fpreg; 16284637Sdesstruct dbreg; 16385941Sdesstruct uio; 16485297Sdesint proc_read_regs(struct thread *_td, struct reg *_reg); 16585297Sdesint proc_write_regs(struct thread *_td, struct reg *_reg); 16685297Sdesint proc_read_fpregs(struct thread *_td, struct fpreg *_fpreg); 16785297Sdesint proc_write_fpregs(struct thread *_td, struct fpreg *_fpreg); 16885297Sdesint proc_read_dbregs(struct thread *_td, struct dbreg *_dbreg); 16985297Sdesint proc_write_dbregs(struct thread *_td, struct dbreg *_dbreg); 17085297Sdesint proc_sstep(struct thread *_td); 17184637Sdesint proc_rwmem(struct proc *_p, struct uio *_uio); 172205014Snwhitehorn#ifdef COMPAT_FREEBSD32 173147692Speterstruct reg32; 174147692Speterstruct fpreg32; 175147692Speterstruct dbreg32; 176147692Speterint proc_read_regs32(struct thread *_td, struct reg32 *_reg32); 177147692Speterint proc_write_regs32(struct thread *_td, struct reg32 *_reg32); 178147692Speterint proc_read_fpregs32(struct thread *_td, struct fpreg32 *_fpreg32); 179147692Speterint proc_write_fpregs32(struct thread *_td, struct fpreg32 *_fpreg32); 180147692Speterint proc_read_dbregs32(struct thread *_td, struct dbreg32 *_dbreg32); 181147692Speterint proc_write_dbregs32(struct thread *_td, struct dbreg32 *_dbreg32); 182147692Speter#endif 18355205Speter#else /* !_KERNEL */ 1841541Srgrimes 1851541Srgrimes#include <sys/cdefs.h> 1861541Srgrimes 1871541Srgrimes__BEGIN_DECLS 18884637Sdesint ptrace(int _request, pid_t _pid, caddr_t _addr, int _data); 1891541Srgrimes__END_DECLS 1901541Srgrimes 19155205Speter#endif /* !_KERNEL */ 1921541Srgrimes 1931541Srgrimes#endif /* !_SYS_PTRACE_H_ */ 194