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f929a5791d
* inf-ptrace.c (inf_ptrace_xfer_partial): Replace call to inf_ptrace_xfer_memory with equivalent code. * inftarg.c (child_xfer_partial): When performing a write, pass writebuf to child_xfer_memory.
778 lines
21 KiB
C
778 lines
21 KiB
C
/* Low level Unix child interface to ptrace, for GDB when running under Unix.
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Copyright 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996,
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1998, 1999, 2000, 2001, 2002, 2004 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include "defs.h"
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#include "observer.h"
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#include "gdb_ptrace.h"
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#include "inflow.h"
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#include "inferior.h"
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#include "regcache.h"
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#include "command.h"
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#include "gdbcore.h"
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#include "inf-child.h"
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#include "gdbcmd.h"
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#include "gdb_string.h"
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#include <sys/wait.h>
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#include <signal.h>
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/* HACK: Save the ptrace ops returned by ptrace_target. */
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static struct target_ops *ptrace_ops_hack;
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static void
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inf_ptrace_kill_inferior (void)
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{
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int status;
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int pid = PIDGET (inferior_ptid);
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if (pid == 0)
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return;
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/* This once used to call "kill" to kill the inferior just in case
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the inferior was still running. As others have noted in the past
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(kingdon) there shouldn't be any way to get here if the inferior
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is still running -- else there's a major problem elsewere in gdb
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and it needs to be fixed.
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The kill call causes problems under hpux10, so it's been removed;
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if this causes problems we'll deal with them as they arise. */
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ptrace (PT_KILL, pid, (PTRACE_TYPE_ARG3) 0, 0);
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wait (&status);
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target_mourn_inferior ();
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}
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/* Resume execution of the inferior process. If STEP is nonzero,
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single-step it. If SIGNAL is nonzero, give it that signal. */
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static void
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inf_ptrace_resume (ptid_t ptid, int step, enum target_signal signal)
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{
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int request = PT_CONTINUE;
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int pid = PIDGET (ptid);
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if (pid == -1)
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/* Resume all threads. */
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/* I think this only gets used in the non-threaded case, where
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"resume all threads" and "resume inferior_ptid" are the
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same. */
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pid = PIDGET (inferior_ptid);
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if (step)
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{
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/* If this system does not support PT_STEP, a higher level
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function will have called single_step() to transmute the step
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request into a continue request (by setting breakpoints on
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all possible successor instructions), so we don't have to
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worry about that here. */
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request = PT_STEP;
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}
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/* An address of (PTRACE_TYPE_ARG3)1 tells ptrace to continue from
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where it was. If GDB wanted it to start some other way, we have
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already written a new PC value to the child. */
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errno = 0;
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ptrace (request, pid, (PTRACE_TYPE_ARG3) 1, target_signal_to_host (signal));
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if (errno != 0)
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perror_with_name ("ptrace");
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}
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/* Set an upper limit on alloca. */
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#define GDB_MAX_ALLOCA 0x1000
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/* NOTE! I tried using PTRACE_READDATA, etc., to read and write memory
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in the NEW_SUN_PTRACE case. It ought to be straightforward. But
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it appears that writing did not write the data that I specified. I
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cannot understand where it got the data that it actually did
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write. */
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/* Copy LEN bytes to or from inferior's memory starting at MEMADDR to
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debugger memory starting at MYADDR. Copy to inferior if WRITE is
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nonzero. TARGET is ignored.
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Returns the length copied, which is either the LEN argument or
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zero. This xfer function does not do partial moves, since
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ptrace_ops_hack doesn't allow memory operations to cross below us in the
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target stack anyway. */
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int
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inf_ptrace_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len, int write,
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struct mem_attrib *attrib, struct target_ops *target)
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{
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int i;
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/* Round starting address down to longword boundary. */
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CORE_ADDR addr = memaddr & -(CORE_ADDR) sizeof (PTRACE_TYPE_RET);
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/* Round ending address up; get number of longwords that makes. */
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int count = ((((memaddr + len) - addr) + sizeof (PTRACE_TYPE_RET) - 1)
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/ sizeof (PTRACE_TYPE_RET));
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int alloc = count * sizeof (PTRACE_TYPE_RET);
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PTRACE_TYPE_RET *buffer;
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struct cleanup *old_chain = NULL;
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#ifdef PT_IO
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/* OpenBSD 3.1, NetBSD 1.6 and FreeBSD 5.0 have a new PT_IO request
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that promises to be much more efficient in reading and writing
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data in the traced process's address space. */
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{
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struct ptrace_io_desc piod;
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/* NOTE: We assume that there are no distinct address spaces for
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instruction and data. */
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piod.piod_op = write ? PIOD_WRITE_D : PIOD_READ_D;
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piod.piod_offs = (void *) memaddr;
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piod.piod_addr = myaddr;
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piod.piod_len = len;
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if (ptrace (PT_IO, PIDGET (inferior_ptid), (caddr_t) &piod, 0) == -1)
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{
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/* If the PT_IO request is somehow not supported, fallback on
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using PT_WRITE_D/PT_READ_D. Otherwise we will return zero
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to indicate failure. */
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if (errno != EINVAL)
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return 0;
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}
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else
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{
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/* Return the actual number of bytes read or written. */
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return piod.piod_len;
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}
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}
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#endif
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/* Allocate buffer of that many longwords. */
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if (len < GDB_MAX_ALLOCA)
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{
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buffer = (PTRACE_TYPE_RET *) alloca (alloc);
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}
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else
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{
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buffer = (PTRACE_TYPE_RET *) xmalloc (alloc);
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old_chain = make_cleanup (xfree, buffer);
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}
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if (write)
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{
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/* Fill start and end extra bytes of buffer with existing memory
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data. */
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if (addr != memaddr || len < (int) sizeof (PTRACE_TYPE_RET))
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{
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/* Need part of initial word -- fetch it. */
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buffer[0] = ptrace (PT_READ_I, PIDGET (inferior_ptid),
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(PTRACE_TYPE_ARG3) addr, 0);
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}
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if (count > 1) /* FIXME, avoid if even boundary. */
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{
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buffer[count - 1] =
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ptrace (PT_READ_I, PIDGET (inferior_ptid),
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((PTRACE_TYPE_ARG3)
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(addr + (count - 1) * sizeof (PTRACE_TYPE_RET))), 0);
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}
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/* Copy data to be written over corresponding part of buffer. */
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memcpy ((char *) buffer + (memaddr & (sizeof (PTRACE_TYPE_RET) - 1)),
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myaddr, len);
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/* Write the entire buffer. */
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for (i = 0; i < count; i++, addr += sizeof (PTRACE_TYPE_RET))
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{
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errno = 0;
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ptrace (PT_WRITE_D, PIDGET (inferior_ptid),
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(PTRACE_TYPE_ARG3) addr, buffer[i]);
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if (errno)
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{
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/* Using the appropriate one (I or D) is necessary for
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Gould NP1, at least. */
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errno = 0;
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ptrace (PT_WRITE_I, PIDGET (inferior_ptid),
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(PTRACE_TYPE_ARG3) addr, buffer[i]);
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}
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if (errno)
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return 0;
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}
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}
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else
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{
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/* Read all the longwords. */
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for (i = 0; i < count; i++, addr += sizeof (PTRACE_TYPE_RET))
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{
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errno = 0;
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buffer[i] = ptrace (PT_READ_I, PIDGET (inferior_ptid),
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(PTRACE_TYPE_ARG3) addr, 0);
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if (errno)
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return 0;
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QUIT;
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}
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/* Copy appropriate bytes out of the buffer. */
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memcpy (myaddr,
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(char *) buffer + (memaddr & (sizeof (PTRACE_TYPE_RET) - 1)),
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len);
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}
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if (old_chain != NULL)
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do_cleanups (old_chain);
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return len;
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}
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/* Wait for child to do something. Return pid of child, or -1 in case
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of error; store status through argument pointer OURSTATUS. */
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static ptid_t
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inf_ptrace_wait (ptid_t ptid, struct target_waitstatus *ourstatus)
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{
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int save_errno;
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int status;
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char *execd_pathname = NULL;
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int exit_status;
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int related_pid;
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int syscall_id;
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enum target_waitkind kind;
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int pid;
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do
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{
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set_sigint_trap (); /* Causes SIGINT to be passed on to the
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attached process. */
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set_sigio_trap ();
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pid = wait (&status);
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save_errno = errno;
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clear_sigio_trap ();
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clear_sigint_trap ();
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if (pid == -1)
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{
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if (save_errno == EINTR)
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continue;
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fprintf_unfiltered (gdb_stderr,
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"Child process unexpectedly missing: %s.\n",
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safe_strerror (save_errno));
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/* Claim it exited with unknown signal. */
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ourstatus->kind = TARGET_WAITKIND_SIGNALLED;
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ourstatus->value.sig = TARGET_SIGNAL_UNKNOWN;
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return pid_to_ptid (-1);
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}
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/* Did it exit?
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*/
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if (target_has_exited (pid, status, &exit_status))
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{
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/* ??rehrauer: For now, ignore this. */
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continue;
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}
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if (!target_thread_alive (pid_to_ptid (pid)))
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{
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ourstatus->kind = TARGET_WAITKIND_SPURIOUS;
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return pid_to_ptid (pid);
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}
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}
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while (pid != PIDGET (inferior_ptid)); /* Some other child died or stopped */
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store_waitstatus (ourstatus, status);
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return pid_to_ptid (pid);
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}
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/* Check to see if the given thread is alive.
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FIXME: Is kill() ever the right way to do this? I doubt it, but
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for now we're going to try and be compatable with the old thread
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code. */
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static int
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inf_ptrace_thread_alive (ptid_t ptid)
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{
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pid_t pid = PIDGET (ptid);
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return (kill (pid, 0) != -1);
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}
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/* Attach to process PID, then initialize for debugging it. */
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static void
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inf_ptrace_attach (char *args, int from_tty)
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{
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char *exec_file;
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int pid;
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char *dummy;
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if (!args)
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error_no_arg ("process-id to attach");
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dummy = args;
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pid = strtol (args, &dummy, 0);
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/* Some targets don't set errno on errors, grrr! */
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if (pid == 0 && args == dummy)
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error ("Illegal process-id: %s\n", args);
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if (pid == getpid ()) /* Trying to masturbate? */
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error ("I refuse to debug myself!");
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if (from_tty)
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{
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exec_file = (char *) get_exec_file (0);
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if (exec_file)
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printf_unfiltered ("Attaching to program: %s, %s\n", exec_file,
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target_pid_to_str (pid_to_ptid (pid)));
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else
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printf_unfiltered ("Attaching to %s\n",
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target_pid_to_str (pid_to_ptid (pid)));
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gdb_flush (gdb_stdout);
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}
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#ifdef PT_ATTACH
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errno = 0;
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ptrace (PT_ATTACH, pid, (PTRACE_TYPE_ARG3) 0, 0);
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if (errno != 0)
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perror_with_name ("ptrace");
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attach_flag = 1;
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#else
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error ("This system does not support attaching to a process");
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#endif
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inferior_ptid = pid_to_ptid (pid);
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push_target (ptrace_ops_hack);
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}
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static void
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inf_ptrace_post_attach (int pid)
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{
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/* This version of Unix doesn't require a meaningful "post attach"
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operation by a debugger. */
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}
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/* Take a program previously attached to and detaches it. The program
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resumes execution and will no longer stop on signals, etc. We'd
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better not have left any breakpoints in the program or it'll die
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when it hits one. For this to work, it may be necessary for the
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process to have been previously attached. It *might* work if the
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program was started via the normal ptrace (PTRACE_TRACEME). */
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static void
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inf_ptrace_detach (char *args, int from_tty)
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{
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int sig = 0;
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int pid = PIDGET (inferior_ptid);
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if (from_tty)
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{
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char *exec_file = get_exec_file (0);
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if (exec_file == 0)
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exec_file = "";
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printf_unfiltered ("Detaching from program: %s, %s\n", exec_file,
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target_pid_to_str (pid_to_ptid (pid)));
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gdb_flush (gdb_stdout);
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}
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if (args)
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sig = atoi (args);
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#ifdef PT_DETACH
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errno = 0;
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ptrace (PT_DETACH, pid, (PTRACE_TYPE_ARG3) 1, sig);
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if (errno != 0)
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perror_with_name ("ptrace");
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attach_flag = 0;
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#else
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error ("This system does not support detaching from a process");
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#endif
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inferior_ptid = null_ptid;
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unpush_target (ptrace_ops_hack);
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}
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/* Get ready to modify the registers array. On machines which store
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individual registers, this doesn't need to do anything. On
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machines which store all the registers in one fell swoop, this
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makes sure that registers contains all the registers from the
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program being debugged. */
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static void
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inf_ptrace_prepare_to_store (void)
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{
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}
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/* Print status information about what we're accessing. */
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static void
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inf_ptrace_files_info (struct target_ops *ignore)
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{
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printf_unfiltered ("\tUsing the running image of %s %s.\n",
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attach_flag ? "attached" : "child",
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target_pid_to_str (inferior_ptid));
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}
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static void
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inf_ptrace_open (char *arg, int from_tty)
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{
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error ("Use the \"run\" command to start a Unix child process.");
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}
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/* Stub function which causes the inferior that runs it, to be ptrace-able
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by its parent process. */
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static void
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inf_ptrace_me (void)
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{
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/* "Trace me, Dr. Memory!" */
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ptrace (0, 0, (PTRACE_TYPE_ARG3) 0, 0);
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}
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/* Stub function which causes the GDB that runs it, to start ptrace-ing
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the child process. */
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static void
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inf_ptrace_him (int pid)
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{
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push_target (ptrace_ops_hack);
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/* On some targets, there must be some explicit synchronization
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between the parent and child processes after the debugger
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forks, and before the child execs the debuggee program. This
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call basically gives permission for the child to exec.
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*/
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target_acknowledge_created_inferior (pid);
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/* START_INFERIOR_TRAPS_EXPECTED is defined in inferior.h,
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* and will be 1 or 2 depending on whether we're starting
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* without or with a shell.
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*/
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startup_inferior (START_INFERIOR_TRAPS_EXPECTED);
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/* On some targets, there must be some explicit actions taken after
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the inferior has been started up.
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*/
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target_post_startup_inferior (pid_to_ptid (pid));
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}
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/* Start an inferior Unix child process and sets inferior_ptid to its
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pid. EXEC_FILE is the file to run. ALLARGS is a string containing
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the arguments to the program. ENV is the environment vector to
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pass. Errors reported with error(). */
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static void
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inf_ptrace_create_inferior (char *exec_file, char *allargs, char **env,
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int from_tty)
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{
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fork_inferior (exec_file, allargs, env, inf_ptrace_me, inf_ptrace_him,
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NULL, NULL);
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/* We are at the first instruction we care about. */
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observer_notify_inferior_created (¤t_target, from_tty);
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/* Pedal to the metal... */
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proceed ((CORE_ADDR) -1, TARGET_SIGNAL_0, 0);
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}
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static void
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inf_ptrace_post_startup_inferior (ptid_t ptid)
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{
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/* This version of Unix doesn't require a meaningful "post startup inferior"
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operation by a debugger.
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*/
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}
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static void
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inf_ptrace_acknowledge_created_inferior (int pid)
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{
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/* This version of Unix doesn't require a meaningful "acknowledge created inferior"
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operation by a debugger.
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*/
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}
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static int
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inf_ptrace_insert_fork_catchpoint (int pid)
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{
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/* This version of Unix doesn't support notification of fork events. */
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return 0;
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}
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static int
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inf_ptrace_remove_fork_catchpoint (int pid)
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{
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/* This version of Unix doesn't support notification of fork events. */
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return 0;
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}
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static int
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inf_ptrace_insert_vfork_catchpoint (int pid)
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{
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/* This version of Unix doesn't support notification of vfork events. */
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return 0;
|
|
}
|
|
|
|
static int
|
|
inf_ptrace_remove_vfork_catchpoint (int pid)
|
|
{
|
|
/* This version of Unix doesn't support notification of vfork events. */
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
inf_ptrace_follow_fork (int follow_child)
|
|
{
|
|
/* This version of Unix doesn't support following fork or vfork events. */
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
inf_ptrace_insert_exec_catchpoint (int pid)
|
|
{
|
|
/* This version of Unix doesn't support notification of exec events. */
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
inf_ptrace_remove_exec_catchpoint (int pid)
|
|
{
|
|
/* This version of Unix doesn't support notification of exec events. */
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
inf_ptrace_reported_exec_events_per_exec_call (void)
|
|
{
|
|
/* This version of Unix doesn't support notification of exec events.
|
|
*/
|
|
return 1;
|
|
}
|
|
|
|
static int
|
|
inf_ptrace_has_exited (int pid, int wait_status, int *exit_status)
|
|
{
|
|
if (WIFEXITED (wait_status))
|
|
{
|
|
*exit_status = WEXITSTATUS (wait_status);
|
|
return 1;
|
|
}
|
|
|
|
if (WIFSIGNALED (wait_status))
|
|
{
|
|
*exit_status = 0; /* ?? Don't know what else to say here. */
|
|
return 1;
|
|
}
|
|
|
|
/* ?? Do we really need to consult the event state, too? Assume the
|
|
wait_state alone suffices.
|
|
*/
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
inf_ptrace_mourn_inferior (void)
|
|
{
|
|
unpush_target (ptrace_ops_hack);
|
|
generic_mourn_inferior ();
|
|
}
|
|
|
|
static int
|
|
inf_ptrace_can_run (void)
|
|
{
|
|
return 1;
|
|
}
|
|
|
|
/* Send a SIGINT to the process group. This acts just like the user
|
|
typed a ^C on the controlling terminal.
|
|
|
|
XXX - This may not be correct for all systems. Some may want to
|
|
use killpg() instead of kill (-pgrp). */
|
|
|
|
static void
|
|
inf_ptrace_stop (void)
|
|
{
|
|
kill (-inferior_process_group, SIGINT);
|
|
}
|
|
|
|
/* Perform a partial transfer to/from the specified object. For
|
|
memory transfers, fall back to the old memory xfer functions. */
|
|
|
|
static LONGEST
|
|
inf_ptrace_xfer_partial (struct target_ops *ops, enum target_object object,
|
|
const char *annex, void *readbuf,
|
|
const void *writebuf, ULONGEST offset, LONGEST len)
|
|
{
|
|
switch (object)
|
|
{
|
|
case TARGET_OBJECT_MEMORY:
|
|
#ifdef PT_IO
|
|
/* OpenBSD 3.1, NetBSD 1.6 and FreeBSD 5.0 have a new PT_IO
|
|
request that promises to be much more efficient in reading
|
|
and writing data in the traced process's address space. */
|
|
{
|
|
struct ptrace_io_desc piod;
|
|
|
|
/* NOTE: We assume that there are no distinct address spaces
|
|
for instruction and data. */
|
|
piod.piod_op = writebuf ? PIOD_WRITE_D : PIOD_READ_D;
|
|
piod.piod_addr = writebuf ? (void *) writebuf : readbuf;
|
|
piod.piod_offs = (void *) (long) offset;
|
|
piod.piod_len = len;
|
|
|
|
errno = 0;
|
|
if (ptrace (PT_IO, PIDGET (inferior_ptid), (caddr_t) &piod, 0) == 0)
|
|
/* Return the actual number of bytes read or written. */
|
|
return piod.piod_len;
|
|
/* If the PT_IO request is somehow not supported, fallback on
|
|
using PT_WRITE_D/PT_READ_D. Otherwise we will return zero
|
|
to indicate failure. */
|
|
if (errno != EINVAL)
|
|
return 0;
|
|
}
|
|
#endif
|
|
{
|
|
union
|
|
{
|
|
PTRACE_TYPE_RET word;
|
|
unsigned char byte[sizeof (PTRACE_TYPE_RET)];
|
|
} buffer;
|
|
ULONGEST rounded_offset;
|
|
LONGEST partial_len;
|
|
|
|
/* Round the start address down to the next long word boundary. */
|
|
rounded_offset = offset & -(ULONGEST) sizeof (PTRACE_TYPE_RET);
|
|
|
|
/* Truncate the length so that at max a single word will be
|
|
transfered. Remember, this function is required to perform
|
|
only a partial read so no more than one word should be
|
|
transfered). */
|
|
if (rounded_offset + sizeof (PTRACE_TYPE_RET) < offset + len)
|
|
partial_len = sizeof (PTRACE_TYPE_RET) - (offset - rounded_offset);
|
|
else
|
|
partial_len = len;
|
|
|
|
if (writebuf)
|
|
{
|
|
/* Fill start and end extra bytes of buffer with existing
|
|
memory data. */
|
|
if (rounded_offset < offset
|
|
|| (partial_len + (offset - rounded_offset)
|
|
< sizeof (PTRACE_TYPE_RET)))
|
|
/* Need part of initial word -- fetch it. */
|
|
buffer.word = ptrace (PT_READ_I, PIDGET (inferior_ptid),
|
|
(PTRACE_TYPE_ARG3) (long) rounded_offset,
|
|
0);
|
|
|
|
/* Copy data to be written over corresponding part of
|
|
buffer. */
|
|
memcpy (buffer.byte + (offset - rounded_offset), writebuf, partial_len);
|
|
|
|
errno = 0;
|
|
ptrace (PT_WRITE_D, PIDGET (inferior_ptid),
|
|
(PTRACE_TYPE_ARG3) (long) rounded_offset,
|
|
(int) buffer.byte);
|
|
if (errno)
|
|
{
|
|
/* Using the appropriate one (I or D) is necessary for
|
|
Gould NP1, at least. */
|
|
errno = 0;
|
|
ptrace (PT_WRITE_I, PIDGET (inferior_ptid),
|
|
(PTRACE_TYPE_ARG3) (long) rounded_offset,
|
|
(int) buffer.byte);
|
|
if (errno)
|
|
return 0;
|
|
}
|
|
}
|
|
if (readbuf)
|
|
{
|
|
errno = 0;
|
|
buffer.word = ptrace (PT_READ_I, PIDGET (inferior_ptid),
|
|
(PTRACE_TYPE_ARG3) (long) rounded_offset, 0);
|
|
if (errno)
|
|
return 0;
|
|
/* Copy appropriate bytes out of the buffer. */
|
|
memcpy (readbuf, buffer.byte + (offset - rounded_offset),
|
|
partial_len);
|
|
}
|
|
return partial_len;
|
|
}
|
|
|
|
case TARGET_OBJECT_UNWIND_TABLE:
|
|
return -1;
|
|
|
|
case TARGET_OBJECT_AUXV:
|
|
return -1;
|
|
|
|
case TARGET_OBJECT_WCOOKIE:
|
|
return -1;
|
|
|
|
default:
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
static char *
|
|
inf_ptrace_pid_to_str (ptid_t ptid)
|
|
{
|
|
return normal_pid_to_str (ptid);
|
|
}
|
|
|
|
struct target_ops *
|
|
inf_ptrace_target (void)
|
|
{
|
|
struct target_ops *t = inf_child_target ();
|
|
t->to_open = inf_ptrace_open;
|
|
t->to_attach = inf_ptrace_attach;
|
|
t->to_post_attach = inf_ptrace_post_attach;
|
|
t->to_detach = inf_ptrace_detach;
|
|
t->to_resume = inf_ptrace_resume;
|
|
t->to_wait = inf_ptrace_wait;
|
|
t->to_prepare_to_store = inf_ptrace_prepare_to_store;
|
|
t->to_xfer_memory = inf_ptrace_xfer_memory;
|
|
t->to_xfer_partial = inf_ptrace_xfer_partial;
|
|
t->to_files_info = inf_ptrace_files_info;
|
|
t->to_kill = inf_ptrace_kill_inferior;
|
|
t->to_create_inferior = inf_ptrace_create_inferior;
|
|
t->to_post_startup_inferior = inf_ptrace_post_startup_inferior;
|
|
t->to_acknowledge_created_inferior =
|
|
inf_ptrace_acknowledge_created_inferior;
|
|
t->to_insert_fork_catchpoint = inf_ptrace_insert_fork_catchpoint;
|
|
t->to_remove_fork_catchpoint = inf_ptrace_remove_fork_catchpoint;
|
|
t->to_insert_vfork_catchpoint = inf_ptrace_insert_vfork_catchpoint;
|
|
t->to_remove_vfork_catchpoint = inf_ptrace_remove_vfork_catchpoint;
|
|
t->to_follow_fork = inf_ptrace_follow_fork;
|
|
t->to_insert_exec_catchpoint = inf_ptrace_insert_exec_catchpoint;
|
|
t->to_remove_exec_catchpoint = inf_ptrace_remove_exec_catchpoint;
|
|
t->to_reported_exec_events_per_exec_call =
|
|
inf_ptrace_reported_exec_events_per_exec_call;
|
|
t->to_has_exited = inf_ptrace_has_exited;
|
|
t->to_mourn_inferior = inf_ptrace_mourn_inferior;
|
|
t->to_can_run = inf_ptrace_can_run;
|
|
t->to_thread_alive = inf_ptrace_thread_alive;
|
|
t->to_pid_to_str = inf_ptrace_pid_to_str;
|
|
t->to_stop = inf_ptrace_stop;
|
|
t->to_stratum = process_stratum;
|
|
t->to_has_all_memory = 1;
|
|
t->to_has_memory = 1;
|
|
t->to_has_stack = 1;
|
|
t->to_has_registers = 1;
|
|
t->to_has_execution = 1;
|
|
t->to_magic = OPS_MAGIC;
|
|
ptrace_ops_hack = t;
|
|
return t;
|
|
}
|