From 071ea11e85eb9d529cc5eb3d35f6247466a21b99 Mon Sep 17 00:00:00 2001 From: Stan Shebs Date: Fri, 16 Apr 1999 01:34:07 +0000 Subject: Initial creation of sourceware repository --- gdb/inftarg.c | 982 ---------------------------------------------------------- 1 file changed, 982 deletions(-) delete mode 100644 gdb/inftarg.c (limited to 'gdb/inftarg.c') diff --git a/gdb/inftarg.c b/gdb/inftarg.c deleted file mode 100644 index 592b5d9..0000000 --- a/gdb/inftarg.c +++ /dev/null @@ -1,982 +0,0 @@ -/* 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 -#include -#include - -#ifdef HAVE_WAIT_H -# include -#else -# ifdef HAVE_SYS_WAIT_H -# include -# endif -#endif - -/* "wait.h" fills in the gaps left by */ -#include "wait.h" -#ifdef HAVE_UNISTD_H -#include -#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); -} -- cgit v1.1