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authorStan Shebs <shebs@codesourcery.com>1999-04-16 01:34:07 +0000
committerStan Shebs <shebs@codesourcery.com>1999-04-16 01:34:07 +0000
commit071ea11e85eb9d529cc5eb3d35f6247466a21b99 (patch)
tree5deda65b8d7b04d1f4cbc534c3206d328e1267ec /gdb/inftarg.c
parent1730ec6b1848f0f32154277f788fb29f88d8475b (diff)
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Initial creation of sourceware repository
Diffstat (limited to 'gdb/inftarg.c')
-rw-r--r--gdb/inftarg.c982
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diff --git a/gdb/inftarg.c b/gdb/inftarg.c
deleted file mode 100644
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--- a/gdb/inftarg.c
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-/* Target-vector operations for controlling Unix child processes, for GDB.
- Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996
- Free Software Foundation, Inc.
- Contributed by Cygnus Support.
-
-## Contains temporary hacks..
-
-This file is part of GDB.
-
-This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
-
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
-
-#include "defs.h"
-#include "frame.h" /* required by inferior.h */
-#include "inferior.h"
-#include "target.h"
-#include "gdbcore.h"
-#include "command.h"
-#include "gdb_stat.h"
-#include <signal.h>
-#include <sys/types.h>
-#include <fcntl.h>
-
-#ifdef HAVE_WAIT_H
-# include <wait.h>
-#else
-# ifdef HAVE_SYS_WAIT_H
-# include <sys/wait.h>
-# endif
-#endif
-
-/* "wait.h" fills in the gaps left by <wait.h> */
-#include "wait.h"
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
-#endif
-
-extern struct symtab_and_line *
-child_enable_exception_callback PARAMS ((enum exception_event_kind, int));
-
-extern struct exception_event_record *
-child_get_current_exception_event PARAMS ((void));
-
-static void
-child_prepare_to_store PARAMS ((void));
-
-#ifndef CHILD_WAIT
-static int child_wait PARAMS ((int, struct target_waitstatus *));
-#endif /* CHILD_WAIT */
-
-#if !defined(CHILD_POST_WAIT)
-void
-child_post_wait PARAMS ((int, int));
-#endif
-
-static void child_open PARAMS ((char *, int));
-
-static void
-child_files_info PARAMS ((struct target_ops *));
-
-static void
-child_detach PARAMS ((char *, int));
-
-static void
-child_detach_from_process PARAMS ((int, char *, int, int));
-
-static void
-child_attach PARAMS ((char *, int));
-
-static void
-child_attach_to_process PARAMS ((char *, int, int));
-
-#if !defined(CHILD_POST_ATTACH)
-static void
-child_post_attach PARAMS ((int));
-#endif
-
-static void
-child_require_attach PARAMS ((char *, int));
-
-static void
-child_require_detach PARAMS ((int, char *, int));
-
-static void
-ptrace_me PARAMS ((void));
-
-static void
-ptrace_him PARAMS ((int));
-
-static void
-child_create_inferior PARAMS ((char *, char *, char **));
-
-static void
-child_mourn_inferior PARAMS ((void));
-
-static int
-child_can_run PARAMS ((void));
-
-static void
-child_stop PARAMS ((void));
-
-#ifndef CHILD_THREAD_ALIVE
-int child_thread_alive PARAMS ((int));
-#endif
-
-extern char **environ;
-
-/* Forward declaration */
-extern struct target_ops child_ops;
-
-int child_suppress_run = 0; /* Non-zero if inftarg should pretend not to
- be a runnable target. Used by targets
- that can sit atop inftarg, such as HPUX
- thread support. */
-
-#ifndef CHILD_WAIT
-
-/*##*/
-/* Enable HACK for ttrace work. In
- * infttrace.c/require_notification_of_events,
- * this is set to 0 so that the loop in child_wait
- * won't loop.
- */
-int not_same_real_pid = 1;
-/*##*/
-
-
-/* Wait for child to do something. Return pid of child, or -1 in case
- of error; store status through argument pointer OURSTATUS. */
-
-static int
-child_wait (pid, ourstatus)
- int pid;
- struct target_waitstatus *ourstatus;
-{
- int save_errno;
- int status;
- char * execd_pathname;
- int exit_status;
- int related_pid;
- int syscall_id;
- enum target_waitkind kind;
-
- do {
- set_sigint_trap(); /* Causes SIGINT to be passed on to the
- attached process. */
- set_sigio_trap ();
-
- pid = proc_wait (inferior_pid, &status);
-
- save_errno = errno;
-
- clear_sigio_trap ();
-
- clear_sigint_trap();
-
- if (pid == -1)
- {
- if (save_errno == EINTR)
- continue;
-
- fprintf_unfiltered (gdb_stderr, "Child process unexpectedly missing: %s.\n",
- safe_strerror (save_errno));
-
- /* Claim it exited with unknown signal. */
- ourstatus->kind = TARGET_WAITKIND_SIGNALLED;
- ourstatus->value.sig = TARGET_SIGNAL_UNKNOWN;
- return -1;
- }
-
- /* Did it exit?
- */
- if (target_has_exited (pid, status, &exit_status))
- {
- /* ??rehrauer: For now, ignore this. */
- continue;
- }
-
- if (!target_thread_alive (pid))
- {
- ourstatus->kind = TARGET_WAITKIND_SPURIOUS;
- return pid;
- }
-
- if (target_has_forked (pid, &related_pid)
- && (pid == inferior_pid) || (related_pid == inferior_pid))
- {
- ourstatus->kind = TARGET_WAITKIND_FORKED;
- ourstatus->value.related_pid = related_pid;
- return pid;
- }
-
- if (target_has_vforked (pid, &related_pid)
- && (pid == inferior_pid) || (related_pid == inferior_pid))
- {
- ourstatus->kind = TARGET_WAITKIND_VFORKED;
- ourstatus->value.related_pid = related_pid;
- return pid;
- }
-
- if (target_has_execd (pid, &execd_pathname))
- {
- /* Are we ignoring initial exec events? (This is likely because
- we're in the process of starting up the inferior, and another
- (older) mechanism handles those.) If so, we'll report this
- as a regular stop, not an exec.
- */
- if (inferior_ignoring_startup_exec_events)
- {
- inferior_ignoring_startup_exec_events--;
- }
- else
- {
- ourstatus->kind = TARGET_WAITKIND_EXECD;
- ourstatus->value.execd_pathname = execd_pathname;
- return pid;
- }
- }
-
- /* All we must do with these is communicate their occurrence
- to wait_for_inferior...
- */
- if (target_has_syscall_event (pid, &kind, &syscall_id))
- {
- ourstatus->kind = kind;
- ourstatus->value.syscall_id = syscall_id;
- return pid;
- }
-
-/*## } while (pid != inferior_pid); ##*/ /* Some other child died or stopped */
-/* hack for thread testing */
- } while( (pid != inferior_pid) && not_same_real_pid );
-/*##*/
-
- store_waitstatus (ourstatus, status);
- return pid;
-}
-#endif /* CHILD_WAIT */
-
-#if !defined(CHILD_POST_WAIT)
-void
-child_post_wait (pid, wait_status)
- int pid;
- int wait_status;
-{
- /* This version of Unix doesn't require a meaningful "post wait"
- operation.
- */
-}
-#endif
-
-
-#ifndef CHILD_THREAD_ALIVE
-
-/* Check to see if the given thread is alive.
-
- FIXME: Is kill() ever the right way to do this? I doubt it, but
- for now we're going to try and be compatable with the old thread
- code. */
-int
-child_thread_alive (pid)
- int pid;
-{
- return (kill (pid, 0) != -1);
-}
-
-#endif
-
-static void
-child_attach_to_process (args, from_tty, after_fork)
- char * args;
- int from_tty;
- int after_fork;
-{
- if (!args)
- error_no_arg ("process-id to attach");
-
-#ifndef ATTACH_DETACH
- error ("Can't attach to a process on this machine.");
-#else
- {
- char *exec_file;
- int pid;
- struct target_waitstatus *wstatus;
- char * dummy;
-
- dummy = args;
- pid = strtol (args, &dummy, 0);
- /* Some targets don't set errno on errors, grrr! */
- if ((pid == 0) && (args == dummy))
- error ("Illegal process-id: %s\n", args);
-
- if (pid == getpid()) /* Trying to masturbate? */
- error ("I refuse to debug myself!");
-
- if (from_tty)
- {
- exec_file = (char *) get_exec_file (0);
-
- if (after_fork)
- printf_unfiltered ("Attaching after fork to %s\n",
- target_pid_to_str (pid));
- else if (exec_file)
- printf_unfiltered ("Attaching to program: %s, %s\n", exec_file,
- target_pid_to_str (pid));
- else
- printf_unfiltered ("Attaching to %s\n", target_pid_to_str (pid));
-
- gdb_flush (gdb_stdout);
- }
-
- if (!after_fork)
- attach (pid);
- else
- REQUIRE_ATTACH (pid);
-
- inferior_pid = pid;
- push_target (&child_ops);
- }
-#endif /* ATTACH_DETACH */
-}
-
-
-/* Attach to process PID, then initialize for debugging it. */
-
-static void
-child_attach (args, from_tty)
- char *args;
- int from_tty;
-{
- child_attach_to_process (args, from_tty, 0);
-}
-
-#if !defined(CHILD_POST_ATTACH)
-static void
-child_post_attach (pid)
- int pid;
-{
- /* This version of Unix doesn't require a meaningful "post attach"
- operation by a debugger.
- */
-}
-#endif
-
-
-static void
-child_require_attach (args, from_tty)
- char *args;
- int from_tty;
-{
- child_attach_to_process (args, from_tty, 1);
-}
-
-static void
-child_detach_from_process (pid, args, from_tty, after_fork)
- int pid;
- char * args;
- int from_tty;
- int after_fork;
-{
-#ifdef ATTACH_DETACH
- {
- int siggnal = 0;
-
- if (from_tty)
- {
- char *exec_file = get_exec_file (0);
- if (exec_file == 0)
- exec_file = "";
- if (after_fork)
- printf_unfiltered ("Detaching after fork from %s\n",
- target_pid_to_str (pid));
- else
- printf_unfiltered ("Detaching from program: %s, %s\n", exec_file,
- target_pid_to_str (pid));
- gdb_flush (gdb_stdout);
- }
- if (args)
- siggnal = atoi (args);
-
- if (!after_fork)
- detach (siggnal);
- else
- REQUIRE_DETACH (pid, siggnal);
- }
-#else
- error ("This version of Unix does not support detaching a process.");
-#endif
-}
-
-/* Take a program previously attached to and detaches it.
- The program resumes execution and will no longer stop
- on signals, etc. We'd better not have left any breakpoints
- in the program or it'll die when it hits one. For this
- to work, it may be necessary for the process to have been
- previously attached. It *might* work if the program was
- started via the normal ptrace (PTRACE_TRACEME). */
-
-static void
-child_detach (args, from_tty)
- char *args;
- int from_tty;
-{
- child_detach_from_process (inferior_pid, args, from_tty, 0);
- inferior_pid = 0;
- unpush_target (&child_ops);
-}
-
-static void
-child_require_detach (pid, args, from_tty)
- int pid;
- char * args;
- int from_tty;
-{
- child_detach_from_process (pid, args, from_tty, 1);
-}
-
-
-/* Get ready to modify the registers array. On machines which store
- individual registers, this doesn't need to do anything. On machines
- which store all the registers in one fell swoop, this makes sure
- that registers contains all the registers from the program being
- debugged. */
-
-static void
-child_prepare_to_store ()
-{
-#ifdef CHILD_PREPARE_TO_STORE
- CHILD_PREPARE_TO_STORE ();
-#endif
-}
-
-/* Print status information about what we're accessing. */
-
-static void
-child_files_info (ignore)
- struct target_ops *ignore;
-{
- printf_unfiltered ("\tUsing the running image of %s %s.\n",
- attach_flag? "attached": "child", target_pid_to_str (inferior_pid));
-}
-
-/* ARGSUSED */
-static void
-child_open (arg, from_tty)
- char *arg;
- int from_tty;
-{
- error ("Use the \"run\" command to start a Unix child process.");
-}
-
-/* Stub function which causes the inferior that runs it, to be ptrace-able
- by its parent process. */
-
-static void
-ptrace_me ()
-{
- /* "Trace me, Dr. Memory!" */
- call_ptrace (0, 0, (PTRACE_ARG3_TYPE) 0, 0);
-}
-
-/* Stub function which causes the GDB that runs it, to start ptrace-ing
- the child process. */
-
-static void
-ptrace_him (pid)
- int pid;
-{
- push_target (&child_ops);
-
- /* On some targets, there must be some explicit synchronization
- between the parent and child processes after the debugger
- forks, and before the child execs the debuggee program. This
- call basically gives permission for the child to exec.
- */
-
- target_acknowledge_created_inferior (pid);
-
- /* START_INFERIOR_TRAPS_EXPECTED is defined in inferior.h,
- * and will be 1 or 2 depending on whether we're starting
- * without or with a shell.
- */
- startup_inferior (START_INFERIOR_TRAPS_EXPECTED);
-
- /* On some targets, there must be some explicit actions taken after
- the inferior has been started up.
- */
- target_post_startup_inferior (pid);
-}
-
-/* Start an inferior Unix child process and sets inferior_pid to its pid.
- EXEC_FILE is the file to run.
- ALLARGS is a string containing the arguments to the program.
- ENV is the environment vector to pass. Errors reported with error(). */
-
-static void
-child_create_inferior (exec_file, allargs, env)
- char *exec_file;
- char *allargs;
- char **env;
-{
-
-#ifdef HPUXHPPA
- char *tryname;
- char *shell_file;
- char *p;
- char *p1;
- char *path = getenv ("PATH");
- int len;
- struct stat statbuf;
-
- /* On HP-UX, we have a possible bad interaction between
- * the start-up-with-shell code and our catch-fork/catch-exec
- * logic. To avoid the bad interaction, we start up with the
- * C shell ("csh") and pass it the "-f" flag (fast start-up,
- * don't run .cshrc code).
- * See further comments in inferior.h toward the bottom
- * (STARTUP_WITH_SHELL flag) and in fork-child.c
- */
-
- /* Rather than passing in a hard-wired path like "/bin/csh",
- * we look down the PATH to find csh. I took this code from
- * procfs.c, which is the file in the Sun-specific part of GDB
- * analogous to inftarg.c. See procfs.c for more detailed
- * comments. - RT
- */
- shell_file = "csh";
- if (path == NULL)
- path = "/bin:/usr/bin";
- tryname = alloca (strlen (path) + strlen (shell_file) + 2);
- for (p = path; p != NULL; p = p1 ? p1 + 1: NULL)
- {
- p1 = strchr (p, ':');
- if (p1 != NULL)
- len = p1 - p;
- else
- len = strlen (p);
- strncpy (tryname, p, len);
- tryname[len] = '\0';
- strcat (tryname, "/");
- strcat (tryname, shell_file);
- if (access (tryname, X_OK) < 0)
- continue;
- if (stat (tryname, &statbuf) < 0)
- continue;
- if (!S_ISREG (statbuf.st_mode))
- /* We certainly need to reject directories. I'm not quite
- as sure about FIFOs, sockets, etc., but I kind of doubt
- that people want to exec() these things. */
- continue;
- break;
- }
- if (p == NULL)
- /* Not found. I replaced the error() which existed in procfs.c
- * with simply passing in NULL and hoping fork_inferior()
- * can deal with it. - RT
- */
- /* error ("Can't find shell %s in PATH", shell_file); */
- shell_file = NULL;
- else
- shell_file = tryname;
-
- fork_inferior (exec_file, allargs, env, ptrace_me, ptrace_him, pre_fork_inferior, NULL);
-#else
- fork_inferior (exec_file, allargs, env, ptrace_me, ptrace_him, NULL, NULL);
-#endif
- /* We are at the first instruction we care about. */
- /* Pedal to the metal... */
- proceed ((CORE_ADDR) -1, TARGET_SIGNAL_0, 0);
-}
-
-#if !defined(CHILD_POST_STARTUP_INFERIOR)
-void
-child_post_startup_inferior (pid)
- int pid;
-{
- /* This version of Unix doesn't require a meaningful "post startup inferior"
- operation by a debugger.
- */
-}
-#endif
-
-#if !defined(CHILD_ACKNOWLEDGE_CREATED_INFERIOR)
-void
-child_acknowledge_created_inferior (pid)
- int pid;
-{
- /* This version of Unix doesn't require a meaningful "acknowledge created inferior"
- operation by a debugger.
- */
-}
-#endif
-
-
-void
-child_clone_and_follow_inferior (child_pid, followed_child)
- int child_pid;
- int *followed_child;
-{
- clone_and_follow_inferior (child_pid, followed_child);
-
- /* Don't resume CHILD_PID; it's stopped where it ought to be, until
- the decision gets made elsewhere how to continue it.
- */
-}
-
-
-#if !defined(CHILD_POST_FOLLOW_INFERIOR_BY_CLONE)
-void
-child_post_follow_inferior_by_clone ()
-{
- /* This version of Unix doesn't require a meaningful "post follow inferior"
- operation by a clone debugger.
- */
-}
-#endif
-
-
-#if !defined(CHILD_INSERT_FORK_CATCHPOINT)
-int
-child_insert_fork_catchpoint (pid)
- int pid;
-{
- /* This version of Unix doesn't support notification of fork events.
- */
-}
-#endif
-
-
-#if !defined(CHILD_REMOVE_FORK_CATCHPOINT)
-int
-child_remove_fork_catchpoint (pid)
- int pid;
-{
- /* This version of Unix doesn't support notification of fork events.
- */
-}
-#endif
-
-
-#if !defined(CHILD_INSERT_VFORK_CATCHPOINT)
-int
-child_insert_vfork_catchpoint (pid)
- int pid;
-{
- /* This version of Unix doesn't support notification of vfork events.
- */
-}
-#endif
-
-
-#if !defined(CHILD_REMOVE_VFORK_CATCHPOINT)
-int
-child_remove_vfork_catchpoint (pid)
- int pid;
-{
- /* This version of Unix doesn't support notification of vfork events.
- */
-}
-#endif
-
-
-#if !defined(CHILD_HAS_FORKED)
-int
-child_has_forked (pid, child_pid)
- int pid;
- int * child_pid;
-{
- /* This version of Unix doesn't support notification of fork events.
- */
- return 0;
-}
-#endif
-
-
-#if !defined(CHILD_HAS_VFORKED)
-int
-child_has_vforked (pid, child_pid)
- int pid;
- int * child_pid;
-{
- /* This version of Unix doesn't support notification of vfork events.
- */
- return 0;
-}
-#endif
-
-
-#if !defined(CHILD_CAN_FOLLOW_VFORK_PRIOR_TO_EXEC)
-int
-child_can_follow_vfork_prior_to_exec ()
-{
- /* This version of Unix doesn't support notification of vfork events.
- However, if it did, it probably wouldn't allow vforks to be followed
- before the following exec.
- */
- return 0;
-}
-#endif
-
-
-#if !defined(CHILD_POST_FOLLOW_VFORK)
-void
-child_post_follow_vfork (parent_pid, followed_parent, child_pid, followed_child)
- int parent_pid;
- int followed_parent;
- int child_pid;
- int followed_child;
-{
- /* This version of Unix doesn't require a meaningful "post follow vfork"
- operation by a clone debugger.
- */
-}
-#endif
-
-#if !defined(CHILD_INSERT_EXEC_CATCHPOINT)
-int
-child_insert_exec_catchpoint (pid)
- int pid;
-{
- /* This version of Unix doesn't support notification of exec events.
- */
-}
-#endif
-
-
-#if !defined(CHILD_REMOVE_EXEC_CATCHPOINT)
-int
-child_remove_exec_catchpoint (pid)
- int pid;
-{
- /* This version of Unix doesn't support notification of exec events.
- */
-}
-#endif
-
-
-#if !defined(CHILD_HAS_EXECD)
-int
-child_has_execd (pid, execd_pathname)
- int pid;
- char ** execd_pathname;
-{
- /* This version of Unix doesn't support notification of exec events.
- */
- return 0;
-}
-#endif
-
-
-#if !defined(CHILD_REPORTED_EXEC_EVENTS_PER_EXEC_CALL)
-int
-child_reported_exec_events_per_exec_call ()
-{
- /* This version of Unix doesn't support notification of exec events.
- */
- return 1;
-}
-#endif
-
-
-#if !defined(CHILD_HAS_SYSCALL_EVENT)
-int
-child_has_syscall_event (pid, kind, syscall_id)
- int pid;
- enum target_waitkind * kind;
- int * syscall_id;
-{
- /* This version of Unix doesn't support notification of syscall events.
- */
- return 0;
-}
-#endif
-
-
-#if !defined(CHILD_HAS_EXITED)
-int
-child_has_exited (pid, wait_status, exit_status)
- 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;
-}
-#endif
-
-
-static void
-child_mourn_inferior ()
-{
- /* FIXME: Should be in a header file */
- extern void proc_remove_foreign PARAMS ((int));
-
- unpush_target (&child_ops);
- proc_remove_foreign (inferior_pid);
- generic_mourn_inferior ();
-}
-
-static int
-child_can_run ()
-{
- /* This variable is controlled by modules that sit atop inftarg that may layer
- their own process structure atop that provided here. hpux-thread.c does
- this because of the Hpux user-mode level thread model. */
-
- return !child_suppress_run;
-}
-
-/* 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
-child_stop ()
-{
- extern pid_t inferior_process_group;
-
- kill (-inferior_process_group, SIGINT);
-}
-
-#if !defined(CHILD_ENABLE_EXCEPTION_CALLBACK)
-struct symtab_and_line *
-child_enable_exception_callback (kind, enable)
- enum exception_event_kind kind;
- int enable;
-{
- return (struct symtab_and_line *) NULL;
-}
-#endif
-
-#if !defined(CHILD_GET_CURRENT_EXCEPTION_EVENT)
-struct exception_event_record *
-child_get_current_exception_event ()
-{
- return (struct exception_event_record *) NULL;
-}
-#endif
-
-
-#if !defined(CHILD_PID_TO_EXEC_FILE)
-char *
-child_pid_to_exec_file (pid)
- int pid;
-{
- /* This version of Unix doesn't support translation of a process ID
- to the filename of the executable file.
- */
- return NULL;
-}
-#endif
-
-char *
-child_core_file_to_sym_file (core)
- char * core;
-{
- /* The target stratum for a running executable need not support
- this operation.
- */
- return NULL;
-}
-
-
-
-struct target_ops child_ops = {
- "child", /* to_shortname */
- "Unix child process", /* to_longname */
- "Unix child process (started by the \"run\" command).", /* to_doc */
- child_open, /* to_open */
- 0, /* to_close */
- child_attach, /* to_attach */
- child_post_attach, /* to_post_attach */
- child_require_attach, /* to_require_attach */
- child_detach, /* to_detach */
- child_require_detach, /* to_require_detach */
- child_resume, /* to_resume */
- child_wait, /* to_wait */
- child_post_wait, /* to_post_wait */
- fetch_inferior_registers, /* to_fetch_registers */
- store_inferior_registers, /* to_store_registers */
- child_prepare_to_store, /* to_prepare_to_store */
- child_xfer_memory, /* to_xfer_memory */
- child_files_info, /* to_files_info */
- memory_insert_breakpoint, /* to_insert_breakpoint */
- memory_remove_breakpoint, /* to_remove_breakpoint */
- terminal_init_inferior, /* to_terminal_init */
- terminal_inferior, /* to_terminal_inferior */
- terminal_ours_for_output, /* to_terminal_ours_for_output */
- terminal_ours, /* to_terminal_ours */
- child_terminal_info, /* to_terminal_info */
- kill_inferior, /* to_kill */
- 0, /* to_load */
- 0, /* to_lookup_symbol */
- child_create_inferior, /* to_create_inferior */
- child_post_startup_inferior, /* to_post_startup_inferior */
- child_acknowledge_created_inferior, /* to_acknowledge_created_inferior */
- child_clone_and_follow_inferior, /* to_clone_and_follow_inferior */
- child_post_follow_inferior_by_clone, /* to_post_follow_inferior_by_clone */
- child_insert_fork_catchpoint, /* to_insert_fork_catchpoint */
- child_remove_fork_catchpoint, /* to_remove_fork_catchpoint */
- child_insert_vfork_catchpoint, /* to_insert_vfork_catchpoint */
- child_remove_vfork_catchpoint, /* to_remove_vfork_catchpoint */
- child_has_forked, /* to_has_forked */
- child_has_vforked, /* to_has_vforked */
- child_can_follow_vfork_prior_to_exec, /* to_can_follow_vfork_prior_to_exec */
- child_post_follow_vfork, /* to_post_follow_vfork */
- child_insert_exec_catchpoint, /* to_insert_exec_catchpoint */
- child_remove_exec_catchpoint, /* to_remove_exec_catchpoint */
- child_has_execd, /* to_has_execd */
- child_reported_exec_events_per_exec_call, /* to_reported_exec_events_per_exec_call */
- child_has_syscall_event, /* to_has_syscall_event */
- child_has_exited, /* to_has_exited */
- child_mourn_inferior, /* to_mourn_inferior */
- child_can_run, /* to_can_run */
- 0, /* to_notice_signals */
- child_thread_alive, /* to_thread_alive */
- child_stop, /* to_stop */
- child_enable_exception_callback, /* to_enable_exception_callback */
- child_get_current_exception_event, /* to_get_current_exception_event */
- child_pid_to_exec_file, /* to_pid_to_exec_file */
- child_core_file_to_sym_file, /* to_core_file_to_sym_file */
- process_stratum, /* to_stratum */
- 0, /* to_next */
- 1, /* to_has_all_memory */
- 1, /* to_has_memory */
- 1, /* to_has_stack */
- 1, /* to_has_registers */
- 1, /* to_has_execution */
- 0, /* to_sections */
- 0, /* to_sections_end */
- OPS_MAGIC /* to_magic */
-};
-
-void
-_initialize_inftarg ()
-{
-#ifdef HAVE_OPTIONAL_PROC_FS
- char procname[32];
- int fd;
-
- /* If we have an optional /proc filesystem (e.g. under OSF/1),
- don't add ptrace support if we can access the running GDB via /proc. */
-#ifndef PROC_NAME_FMT
-#define PROC_NAME_FMT "/proc/%05d"
-#endif
- sprintf (procname, PROC_NAME_FMT, getpid ());
- if ((fd = open (procname, O_RDONLY)) >= 0)
- {
- close (fd);
- return;
- }
-#endif
-
- add_target (&child_ops);
-}