198 lines
7.5 KiB
C
198 lines
7.5 KiB
C
/*-
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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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* 4. 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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* $FreeBSD$
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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/signal.h>
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#include <sys/param.h>
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#include <machine/reg.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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/* was PT_READ_U 3 * read word in child's user structure */
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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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/* was PT_WRITE_U 6 * write word in child's user structure */
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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_STEP 9 /* single step the child */
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#define PT_ATTACH 10 /* trace some running process */
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#define PT_DETACH 11 /* stop tracing a process */
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#define PT_IO 12 /* do I/O to/from stopped process. */
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#define PT_LWPINFO 13 /* Info about the LWP that stopped. */
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#define PT_GETNUMLWPS 14 /* get total number of threads */
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#define PT_GETLWPLIST 15 /* get thread list */
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#define PT_CLEARSTEP 16 /* turn off single step */
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#define PT_SETSTEP 17 /* turn on single step */
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#define PT_SUSPEND 18 /* suspend a thread */
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#define PT_RESUME 19 /* resume a thread */
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#define PT_TO_SCE 20
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#define PT_TO_SCX 21
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#define PT_SYSCALL 22
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#define PT_FOLLOW_FORK 23
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#define PT_LWP_EVENTS 24 /* report LWP birth and exit */
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#define PT_GETREGS 33 /* get general-purpose registers */
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#define PT_SETREGS 34 /* set general-purpose registers */
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#define PT_GETFPREGS 35 /* get floating-point registers */
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#define PT_SETFPREGS 36 /* set floating-point registers */
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#define PT_GETDBREGS 37 /* get debugging registers */
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#define PT_SETDBREGS 38 /* set debugging registers */
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#define PT_VM_TIMESTAMP 40 /* Get VM version (timestamp) */
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#define PT_VM_ENTRY 41 /* Get VM map (entry) */
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#define PT_FIRSTMACH 64 /* for machine-specific requests */
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#include <machine/ptrace.h> /* machine-specific requests, if any */
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struct ptrace_io_desc {
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int piod_op; /* I/O operation */
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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 */
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};
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/*
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* Operations in piod_op.
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*/
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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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/* Argument structure for PT_LWPINFO. */
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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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#define PL_EVENT_NONE 0
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#define PL_EVENT_SIGNAL 1
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int pl_flags; /* LWP flags. */
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#define PL_FLAG_SA 0x01 /* M:N thread */
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#define PL_FLAG_BOUND 0x02 /* M:N bound thread */
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#define PL_FLAG_SCE 0x04 /* syscall enter point */
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#define PL_FLAG_SCX 0x08 /* syscall leave point */
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#define PL_FLAG_EXEC 0x10 /* exec(2) succeeded */
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#define PL_FLAG_SI 0x20 /* siginfo is valid */
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#define PL_FLAG_FORKED 0x40 /* new child */
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#define PL_FLAG_CHILD 0x80 /* I am from child */
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#define PL_FLAG_BORN 0x100 /* new LWP */
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#define PL_FLAG_EXITED 0x200 /* exiting LWP */
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sigset_t pl_sigmask; /* LWP signal mask */
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sigset_t pl_siglist; /* LWP pending signal */
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struct __siginfo pl_siginfo; /* siginfo for signal */
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char pl_tdname[MAXCOMLEN + 1]; /* LWP name */
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pid_t pl_child_pid; /* New child pid */
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u_int pl_syscall_code;
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u_int pl_syscall_narg;
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};
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/* Argument structure for PT_VM_ENTRY. */
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struct ptrace_vm_entry {
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int pve_entry; /* Entry number used for iteration. */
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int pve_timestamp; /* Generation number of VM map. */
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u_long pve_start; /* Start VA of range. */
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u_long pve_end; /* End VA of range (incl). */
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u_long pve_offset; /* Offset in backing object. */
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u_int pve_prot; /* Protection of memory range. */
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u_int pve_pathlen; /* Size of path. */
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long pve_fileid; /* File ID. */
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uint32_t pve_fsid; /* File system ID. */
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char *pve_path; /* Path name of object. */
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};
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#ifdef _KERNEL
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/*
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* The flags below are used for ptrace(2) tracing and have no relation
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* to procfs. They are stored in struct proc's p_stops member.
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*/
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#define S_PT_SCE 0x000010000
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#define S_PT_SCX 0x000020000
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int ptrace_set_pc(struct thread *_td, unsigned long _addr);
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int ptrace_single_step(struct thread *_td);
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int ptrace_clear_single_step(struct thread *_td);
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#ifdef __HAVE_PTRACE_MACHDEP
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int cpu_ptrace(struct thread *_td, int _req, void *_addr, int _data);
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#endif
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/*
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* These are prototypes for functions that implement some of the
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* debugging functionality exported by procfs / linprocfs and by the
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* ptrace(2) syscall. They used to be part of procfs, but they don't
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* really belong there.
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*/
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struct reg;
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struct fpreg;
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struct dbreg;
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struct uio;
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int proc_read_regs(struct thread *_td, struct reg *_reg);
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int proc_write_regs(struct thread *_td, struct reg *_reg);
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int proc_read_fpregs(struct thread *_td, struct fpreg *_fpreg);
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int proc_write_fpregs(struct thread *_td, struct fpreg *_fpreg);
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int proc_read_dbregs(struct thread *_td, struct dbreg *_dbreg);
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int proc_write_dbregs(struct thread *_td, struct dbreg *_dbreg);
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int proc_sstep(struct thread *_td);
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int proc_rwmem(struct proc *_p, struct uio *_uio);
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ssize_t proc_readmem(struct thread *_td, struct proc *_p, vm_offset_t _va,
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void *_buf, size_t _len);
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ssize_t proc_writemem(struct thread *_td, struct proc *_p, vm_offset_t _va,
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void *_buf, size_t _len);
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#ifdef COMPAT_FREEBSD32
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struct reg32;
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struct fpreg32;
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struct dbreg32;
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int proc_read_regs32(struct thread *_td, struct reg32 *_reg32);
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int proc_write_regs32(struct thread *_td, struct reg32 *_reg32);
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int proc_read_fpregs32(struct thread *_td, struct fpreg32 *_fpreg32);
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int proc_write_fpregs32(struct thread *_td, struct fpreg32 *_fpreg32);
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int proc_read_dbregs32(struct thread *_td, struct dbreg32 *_dbreg32);
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int proc_write_dbregs32(struct thread *_td, struct dbreg32 *_dbreg32);
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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, caddr_t _addr, int _data);
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__END_DECLS
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#endif /* !_KERNEL */
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#endif /* !_SYS_PTRACE_H_ */
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