2003-06-10 16:37:04 +02:00
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/* Remote File-I/O communications
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Copyright 2003 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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/* See the GDB User Guide for details of the GDB remote protocol. */
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#include "defs.h"
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#include "gdb_string.h"
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#include "gdbcmd.h"
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#include "remote.h"
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#include "gdb/fileio.h"
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2003-06-10 21:29:57 +02:00
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#include "gdb_wait.h"
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#include "gdb_stat.h"
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2005-01-12 Andrew Cagney <cagney@gnu.org>
* exceptions.h (enum return_reason, RETURN_MASK)
(RETURN_MASK_QUIT, RETURN_MASK_ERROR, RETURN_MASK_ALL)
(return_mask, throw_exception, catch_exceptions_ftype)
(catch_exceptions_with_msg, catch_errors_ftype, catch_errors)
(catch_command_errors_ftype, catch_command_errors): Move to
exceptions.h.
* exceptions.c, exceptions.h: New files.
* top.c: Do not include <setjmp.h>.
(SIGJMP_BUF, SIGSETJMP, SIGLONGJMP, catch_return)
(throw_exception, catcher, catch_exceptions)
(catch_exceptions_with_msg, struct catch_errors_args)
(do_catch_errors, catch_errors, struct captured_command_args)
(do_captured_command, catch_command_errors): Move to exceptions.c.
* wrapper.c, wince.c, win32-nat.c, utils.c: Include "exceptions.h".
* tui/tui-interp.c, top.c, thread.c, symmisc.c: Ditto.
* symfile-mem.c, stack.c, solib.c, rs6000-nat.c: Ditto.
* remote-sds.c, remote-mips.c, remote-fileio.c: Ditto.
* remote-e7000.c, objc-lang.c, ocd.c: Ditto.
* remote.c, nto-procfs.c, monitor.c, mi/mi-main.c: Ditto.
* main.c, m32r-rom.c, infrun.c, inf-loop.c: Ditto.
* hppa-hpux-tdep.c, frame.c, event-top.c, event-loop.c: Ditto.
* corelow.c, corefile.c, cli/cli-interp.c, breakpoint.c: Ditto.
* ada-valprint.c, ada-lang.c: Ditto.
* Makefile.in (HFILES_NO_SRCDIR, COMMON_OBS): Add exceptions.h and
exceptions.o. Update all dependencies.
2005-01-12 19:31:35 +01:00
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#include "exceptions.h"
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2003-06-11 15:50:11 +02:00
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#include "remote-fileio.h"
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2003-06-10 16:37:04 +02:00
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#include <fcntl.h>
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#include <sys/time.h>
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#ifdef __CYGWIN__
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2003-06-10 21:29:57 +02:00
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#include <sys/cygwin.h> /* For cygwin_conv_to_full_posix_path. */
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2003-06-10 16:37:04 +02:00
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#endif
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#include <signal.h>
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static struct {
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int *fd_map;
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int fd_map_size;
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} remote_fio_data;
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#define FIO_FD_INVALID -1
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#define FIO_FD_CONSOLE_IN -2
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#define FIO_FD_CONSOLE_OUT -3
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static int remote_fio_system_call_allowed = 0;
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static int
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2003-06-11 12:24:53 +02:00
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remote_fileio_init_fd_map (void)
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2003-06-10 16:37:04 +02:00
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{
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int i;
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if (!remote_fio_data.fd_map)
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{
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remote_fio_data.fd_map = (int *) xmalloc (10 * sizeof (int));
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remote_fio_data.fd_map_size = 10;
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remote_fio_data.fd_map[0] = FIO_FD_CONSOLE_IN;
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remote_fio_data.fd_map[1] = FIO_FD_CONSOLE_OUT;
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remote_fio_data.fd_map[2] = FIO_FD_CONSOLE_OUT;
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for (i = 3; i < 10; ++i)
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remote_fio_data.fd_map[i] = FIO_FD_INVALID;
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}
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return 3;
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}
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static int
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2003-06-11 12:24:53 +02:00
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remote_fileio_resize_fd_map (void)
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2003-06-10 16:37:04 +02:00
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{
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if (!remote_fio_data.fd_map)
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return remote_fileio_init_fd_map ();
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remote_fio_data.fd_map_size += 10;
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remote_fio_data.fd_map =
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(int *) xrealloc (remote_fio_data.fd_map,
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remote_fio_data.fd_map_size * sizeof (int));
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return remote_fio_data.fd_map_size - 10;
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}
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static int
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2003-06-11 12:24:53 +02:00
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remote_fileio_next_free_fd (void)
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2003-06-10 16:37:04 +02:00
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{
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int i;
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for (i = 0; i < remote_fio_data.fd_map_size; ++i)
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if (remote_fio_data.fd_map[i] == FIO_FD_INVALID)
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return i;
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return remote_fileio_resize_fd_map ();
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}
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static int
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remote_fileio_fd_to_targetfd (int fd)
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{
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int target_fd = remote_fileio_next_free_fd ();
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remote_fio_data.fd_map[target_fd] = fd;
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return target_fd;
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}
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static int
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remote_fileio_map_fd (int target_fd)
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{
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remote_fileio_init_fd_map ();
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if (target_fd < 0 || target_fd >= remote_fio_data.fd_map_size)
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return FIO_FD_INVALID;
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return remote_fio_data.fd_map[target_fd];
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}
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static void
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remote_fileio_close_target_fd (int target_fd)
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{
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remote_fileio_init_fd_map ();
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if (target_fd >= 0 && target_fd < remote_fio_data.fd_map_size)
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remote_fio_data.fd_map[target_fd] = FIO_FD_INVALID;
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}
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static int
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remote_fileio_oflags_to_host (long flags)
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{
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int hflags = 0;
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if (flags & FILEIO_O_CREAT)
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hflags |= O_CREAT;
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if (flags & FILEIO_O_EXCL)
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hflags |= O_EXCL;
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if (flags & FILEIO_O_TRUNC)
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hflags |= O_TRUNC;
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if (flags & FILEIO_O_APPEND)
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hflags |= O_APPEND;
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if (flags & FILEIO_O_RDONLY)
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hflags |= O_RDONLY;
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if (flags & FILEIO_O_WRONLY)
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hflags |= O_WRONLY;
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if (flags & FILEIO_O_RDWR)
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hflags |= O_RDWR;
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/* On systems supporting binary and text mode, always open files in
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binary mode. */
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#ifdef O_BINARY
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hflags |= O_BINARY;
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#endif
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return hflags;
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}
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static mode_t
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remote_fileio_mode_to_host (long mode, int open_call)
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{
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mode_t hmode = 0;
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if (!open_call)
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{
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if (mode & FILEIO_S_IFREG)
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hmode |= S_IFREG;
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if (mode & FILEIO_S_IFDIR)
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hmode |= S_IFDIR;
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if (mode & FILEIO_S_IFCHR)
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hmode |= S_IFCHR;
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}
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if (mode & FILEIO_S_IRUSR)
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hmode |= S_IRUSR;
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if (mode & FILEIO_S_IWUSR)
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hmode |= S_IWUSR;
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if (mode & FILEIO_S_IXUSR)
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hmode |= S_IXUSR;
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if (mode & FILEIO_S_IRGRP)
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hmode |= S_IRGRP;
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if (mode & FILEIO_S_IWGRP)
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hmode |= S_IWGRP;
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if (mode & FILEIO_S_IXGRP)
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hmode |= S_IXGRP;
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if (mode & FILEIO_S_IROTH)
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hmode |= S_IROTH;
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if (mode & FILEIO_S_IWOTH)
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hmode |= S_IWOTH;
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if (mode & FILEIO_S_IXOTH)
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hmode |= S_IXOTH;
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return hmode;
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}
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2003-06-11 12:24:53 +02:00
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static LONGEST
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2003-06-10 16:37:04 +02:00
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remote_fileio_mode_to_target (mode_t mode)
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{
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mode_t tmode = 0;
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if (mode & S_IFREG)
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tmode |= FILEIO_S_IFREG;
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if (mode & S_IFDIR)
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tmode |= FILEIO_S_IFDIR;
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if (mode & S_IFCHR)
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tmode |= FILEIO_S_IFCHR;
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if (mode & S_IRUSR)
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tmode |= FILEIO_S_IRUSR;
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if (mode & S_IWUSR)
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tmode |= FILEIO_S_IWUSR;
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if (mode & S_IXUSR)
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tmode |= FILEIO_S_IXUSR;
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if (mode & S_IRGRP)
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tmode |= FILEIO_S_IRGRP;
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if (mode & S_IWGRP)
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tmode |= FILEIO_S_IWGRP;
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if (mode & S_IXGRP)
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tmode |= FILEIO_S_IXGRP;
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if (mode & S_IROTH)
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tmode |= FILEIO_S_IROTH;
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if (mode & S_IWOTH)
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tmode |= FILEIO_S_IWOTH;
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if (mode & S_IXOTH)
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tmode |= FILEIO_S_IXOTH;
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return tmode;
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}
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static int
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remote_fileio_errno_to_target (int error)
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{
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switch (error)
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{
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case EPERM:
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return FILEIO_EPERM;
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case ENOENT:
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return FILEIO_ENOENT;
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case EINTR:
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return FILEIO_EINTR;
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case EIO:
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return FILEIO_EIO;
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case EBADF:
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return FILEIO_EBADF;
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case EACCES:
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return FILEIO_EACCES;
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case EFAULT:
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return FILEIO_EFAULT;
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case EBUSY:
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return FILEIO_EBUSY;
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case EEXIST:
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return FILEIO_EEXIST;
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case ENODEV:
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return FILEIO_ENODEV;
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case ENOTDIR:
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return FILEIO_ENOTDIR;
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case EISDIR:
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return FILEIO_EISDIR;
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case EINVAL:
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return FILEIO_EINVAL;
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case ENFILE:
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return FILEIO_ENFILE;
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case EMFILE:
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return FILEIO_EMFILE;
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case EFBIG:
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return FILEIO_EFBIG;
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case ENOSPC:
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return FILEIO_ENOSPC;
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case ESPIPE:
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return FILEIO_ESPIPE;
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case EROFS:
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return FILEIO_EROFS;
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case ENOSYS:
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return FILEIO_ENOSYS;
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case ENAMETOOLONG:
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return FILEIO_ENAMETOOLONG;
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}
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return FILEIO_EUNKNOWN;
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}
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static int
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remote_fileio_seek_flag_to_host (long num, int *flag)
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{
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if (!flag)
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return 0;
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switch (num)
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{
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case FILEIO_SEEK_SET:
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*flag = SEEK_SET;
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break;
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case FILEIO_SEEK_CUR:
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*flag = SEEK_CUR;
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break;
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case FILEIO_SEEK_END:
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*flag = SEEK_END;
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break;
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default:
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return -1;
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}
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return 0;
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}
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static int
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2003-06-11 12:24:53 +02:00
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remote_fileio_extract_long (char **buf, LONGEST *retlong)
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2003-06-10 16:37:04 +02:00
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{
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char *c;
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int sign = 1;
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if (!buf || !*buf || !**buf || !retlong)
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return -1;
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c = strchr (*buf, ',');
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if (c)
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*c++ = '\0';
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else
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c = strchr (*buf, '\0');
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while (strchr ("+-", **buf))
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{
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if (**buf == '-')
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sign = -sign;
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++*buf;
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}
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for (*retlong = 0; **buf; ++*buf)
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{
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*retlong <<= 4;
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if (**buf >= '0' && **buf <= '9')
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*retlong += **buf - '0';
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else if (**buf >= 'a' && **buf <= 'f')
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*retlong += **buf - 'a' + 10;
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else if (**buf >= 'A' && **buf <= 'F')
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*retlong += **buf - 'A' + 10;
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else
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return -1;
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}
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*retlong *= sign;
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*buf = c;
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return 0;
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}
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static int
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remote_fileio_extract_int (char **buf, long *retint)
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{
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int ret;
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2003-06-11 12:24:53 +02:00
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LONGEST retlong;
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2003-06-10 16:37:04 +02:00
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if (!retint)
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return -1;
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2003-06-11 12:24:53 +02:00
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ret = remote_fileio_extract_long (buf, &retlong);
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if (!ret)
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2003-06-10 16:37:04 +02:00
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*retint = (long) retlong;
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return ret;
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}
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static int
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remote_fileio_extract_ptr_w_len (char **buf, CORE_ADDR *ptrval, int *length)
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{
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char *c;
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2003-06-11 12:24:53 +02:00
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LONGEST retlong;
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2003-06-10 16:37:04 +02:00
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|
|
|
|
|
|
if (!buf || !*buf || !**buf || !ptrval || !length)
|
|
|
|
return -1;
|
|
|
|
c = strchr (*buf, '/');
|
|
|
|
if (!c)
|
|
|
|
return -1;
|
|
|
|
*c++ = '\0';
|
|
|
|
if (remote_fileio_extract_long (buf, &retlong))
|
|
|
|
return -1;
|
|
|
|
*ptrval = (CORE_ADDR) retlong;
|
|
|
|
*buf = c;
|
|
|
|
if (remote_fileio_extract_long (buf, &retlong))
|
|
|
|
return -1;
|
|
|
|
*length = (int) retlong;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Convert to big endian */
|
|
|
|
static void
|
2003-06-11 12:24:53 +02:00
|
|
|
remote_fileio_to_be (LONGEST num, char *buf, int bytes)
|
2003-06-10 16:37:04 +02:00
|
|
|
{
|
|
|
|
int i;
|
|
|
|
|
|
|
|
for (i = 0; i < bytes; ++i)
|
|
|
|
buf[i] = (num >> (8 * (bytes - i - 1))) & 0xff;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
remote_fileio_to_fio_uint (long num, fio_uint_t fnum)
|
|
|
|
{
|
2003-06-11 12:24:53 +02:00
|
|
|
remote_fileio_to_be ((LONGEST) num, (char *) fnum, 4);
|
2003-06-10 16:37:04 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
remote_fileio_to_fio_mode (mode_t num, fio_mode_t fnum)
|
|
|
|
{
|
|
|
|
remote_fileio_to_be (remote_fileio_mode_to_target(num), (char *) fnum, 4);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
remote_fileio_to_fio_time (time_t num, fio_time_t fnum)
|
|
|
|
{
|
2003-06-11 12:24:53 +02:00
|
|
|
remote_fileio_to_be ((LONGEST) num, (char *) fnum, 4);
|
2003-06-10 16:37:04 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
2003-06-11 12:24:53 +02:00
|
|
|
remote_fileio_to_fio_long (LONGEST num, fio_long_t fnum)
|
2003-06-10 16:37:04 +02:00
|
|
|
{
|
|
|
|
remote_fileio_to_be (num, (char *) fnum, 8);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
2003-06-11 12:24:53 +02:00
|
|
|
remote_fileio_to_fio_ulong (LONGEST num, fio_ulong_t fnum)
|
2003-06-10 16:37:04 +02:00
|
|
|
{
|
|
|
|
remote_fileio_to_be (num, (char *) fnum, 8);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
remote_fileio_to_fio_stat (struct stat *st, struct fio_stat *fst)
|
|
|
|
{
|
|
|
|
/* `st_dev' is set in the calling function */
|
|
|
|
remote_fileio_to_fio_uint ((long) st->st_ino, fst->fst_ino);
|
|
|
|
remote_fileio_to_fio_mode (st->st_mode, fst->fst_mode);
|
|
|
|
remote_fileio_to_fio_uint ((long) st->st_nlink, fst->fst_nlink);
|
|
|
|
remote_fileio_to_fio_uint ((long) st->st_uid, fst->fst_uid);
|
|
|
|
remote_fileio_to_fio_uint ((long) st->st_gid, fst->fst_gid);
|
|
|
|
remote_fileio_to_fio_uint ((long) st->st_rdev, fst->fst_rdev);
|
2003-06-11 12:24:53 +02:00
|
|
|
remote_fileio_to_fio_ulong ((LONGEST) st->st_size, fst->fst_size);
|
|
|
|
remote_fileio_to_fio_ulong ((LONGEST) st->st_blksize, fst->fst_blksize);
|
2003-12-30 07:52:09 +01:00
|
|
|
#if HAVE_STRUCT_STAT_ST_BLOCKS
|
2003-06-11 12:24:53 +02:00
|
|
|
remote_fileio_to_fio_ulong ((LONGEST) st->st_blocks, fst->fst_blocks);
|
2003-12-30 07:52:09 +01:00
|
|
|
#else
|
|
|
|
/* FIXME: This is correct for DJGPP, but other systems that don't
|
|
|
|
have st_blocks, if any, might prefer 512 instead of st_blksize.
|
|
|
|
(eliz, 30-12-2003) */
|
|
|
|
remote_fileio_to_fio_ulong (((LONGEST) st->st_size + st->st_blksize - 1)
|
|
|
|
/ (LONGEST) st->st_blksize,
|
|
|
|
fst->fst_blocks);
|
|
|
|
#endif
|
2003-06-10 16:37:04 +02:00
|
|
|
remote_fileio_to_fio_time (st->st_atime, fst->fst_atime);
|
|
|
|
remote_fileio_to_fio_time (st->st_mtime, fst->fst_mtime);
|
|
|
|
remote_fileio_to_fio_time (st->st_ctime, fst->fst_ctime);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
remote_fileio_to_fio_timeval (struct timeval *tv, struct fio_timeval *ftv)
|
|
|
|
{
|
|
|
|
remote_fileio_to_fio_time (tv->tv_sec, ftv->ftv_sec);
|
|
|
|
remote_fileio_to_fio_long (tv->tv_usec, ftv->ftv_usec);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int remote_fio_ctrl_c_flag = 0;
|
|
|
|
static int remote_fio_no_longjmp = 0;
|
|
|
|
|
|
|
|
#if defined (HAVE_SIGACTION) && defined (SA_RESTART)
|
|
|
|
static struct sigaction remote_fio_sa;
|
|
|
|
static struct sigaction remote_fio_osa;
|
|
|
|
#else
|
|
|
|
static void (*remote_fio_ofunc)(int);
|
|
|
|
#endif
|
|
|
|
|
|
|
|
static void
|
2003-06-11 12:24:53 +02:00
|
|
|
remote_fileio_sig_init (void)
|
2003-06-10 16:37:04 +02:00
|
|
|
{
|
|
|
|
#if defined (HAVE_SIGACTION) && defined (SA_RESTART)
|
|
|
|
remote_fio_sa.sa_handler = SIG_IGN;
|
|
|
|
sigemptyset (&remote_fio_sa.sa_mask);
|
|
|
|
remote_fio_sa.sa_flags = 0;
|
|
|
|
sigaction (SIGINT, &remote_fio_sa, &remote_fio_osa);
|
|
|
|
#else
|
|
|
|
remote_fio_ofunc = signal (SIGINT, SIG_IGN);
|
|
|
|
#endif
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
remote_fileio_sig_set (void (*sigint_func)(int))
|
|
|
|
{
|
|
|
|
#if defined (HAVE_SIGACTION) && defined (SA_RESTART)
|
|
|
|
remote_fio_sa.sa_handler = sigint_func;
|
|
|
|
sigemptyset (&remote_fio_sa.sa_mask);
|
|
|
|
remote_fio_sa.sa_flags = 0;
|
|
|
|
sigaction (SIGINT, &remote_fio_sa, NULL);
|
|
|
|
#else
|
|
|
|
signal (SIGINT, sigint_func);
|
|
|
|
#endif
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
2003-06-11 12:24:53 +02:00
|
|
|
remote_fileio_sig_exit (void)
|
2003-06-10 16:37:04 +02:00
|
|
|
{
|
|
|
|
#if defined (HAVE_SIGACTION) && defined (SA_RESTART)
|
|
|
|
sigaction (SIGINT, &remote_fio_osa, NULL);
|
|
|
|
#else
|
|
|
|
signal (SIGINT, remote_fio_ofunc);
|
|
|
|
#endif
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
remote_fileio_ctrl_c_signal_handler (int signo)
|
|
|
|
{
|
|
|
|
remote_fileio_sig_set (SIG_IGN);
|
|
|
|
remote_fio_ctrl_c_flag = 1;
|
|
|
|
if (!remote_fio_no_longjmp)
|
2005-01-19 22:15:44 +01:00
|
|
|
deprecated_throw_reason (RETURN_QUIT);
|
2003-06-10 16:37:04 +02:00
|
|
|
remote_fileio_sig_set (remote_fileio_ctrl_c_signal_handler);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
remote_fileio_reply (int retcode, int error)
|
|
|
|
{
|
|
|
|
char buf[32];
|
|
|
|
|
|
|
|
remote_fileio_sig_set (SIG_IGN);
|
|
|
|
strcpy (buf, "F");
|
|
|
|
if (retcode < 0)
|
|
|
|
{
|
|
|
|
strcat (buf, "-");
|
|
|
|
retcode = -retcode;
|
|
|
|
}
|
|
|
|
sprintf (buf + strlen (buf), "%x", retcode);
|
|
|
|
if (error || remote_fio_ctrl_c_flag)
|
|
|
|
{
|
|
|
|
if (error && remote_fio_ctrl_c_flag)
|
|
|
|
error = FILEIO_EINTR;
|
|
|
|
if (error < 0)
|
|
|
|
{
|
|
|
|
strcat (buf, "-");
|
|
|
|
error = -error;
|
|
|
|
}
|
|
|
|
sprintf (buf + strlen (buf), ",%x", error);
|
|
|
|
if (remote_fio_ctrl_c_flag)
|
|
|
|
strcat (buf, ",C");
|
|
|
|
}
|
|
|
|
remote_fileio_sig_set (remote_fileio_ctrl_c_signal_handler);
|
|
|
|
putpkt (buf);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
2003-06-11 12:24:53 +02:00
|
|
|
remote_fileio_ioerror (void)
|
2003-06-10 16:37:04 +02:00
|
|
|
{
|
|
|
|
remote_fileio_reply (-1, FILEIO_EIO);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
2003-06-11 12:24:53 +02:00
|
|
|
remote_fileio_badfd (void)
|
2003-06-10 16:37:04 +02:00
|
|
|
{
|
|
|
|
remote_fileio_reply (-1, FILEIO_EBADF);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
remote_fileio_return_errno (int retcode)
|
|
|
|
{
|
|
|
|
remote_fileio_reply (retcode,
|
|
|
|
retcode < 0 ? remote_fileio_errno_to_target (errno) : 0);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
remote_fileio_return_success (int retcode)
|
|
|
|
{
|
|
|
|
remote_fileio_reply (retcode, 0);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Wrapper function for remote_write_bytes() which has the disadvantage to
|
|
|
|
write only one packet, regardless of the requested number of bytes to
|
|
|
|
transfer. This wrapper calls remote_write_bytes() as often as needed. */
|
|
|
|
static int
|
|
|
|
remote_fileio_write_bytes (CORE_ADDR memaddr, char *myaddr, int len)
|
|
|
|
{
|
|
|
|
int ret = 0, written;
|
|
|
|
|
|
|
|
while (len > 0 && (written = remote_write_bytes (memaddr, myaddr, len)) > 0)
|
|
|
|
{
|
|
|
|
len -= written;
|
|
|
|
memaddr += written;
|
|
|
|
myaddr += written;
|
|
|
|
ret += written;
|
|
|
|
}
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
remote_fileio_func_open (char *buf)
|
|
|
|
{
|
|
|
|
CORE_ADDR ptrval;
|
|
|
|
int length, retlength;
|
|
|
|
long num;
|
|
|
|
int flags, fd;
|
|
|
|
mode_t mode;
|
|
|
|
char *pathname;
|
|
|
|
struct stat st;
|
|
|
|
|
|
|
|
/* 1. Parameter: Ptr to pathname / length incl. trailing zero */
|
|
|
|
if (remote_fileio_extract_ptr_w_len (&buf, &ptrval, &length))
|
|
|
|
{
|
|
|
|
remote_fileio_ioerror ();
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
/* 2. Parameter: open flags */
|
|
|
|
if (remote_fileio_extract_int (&buf, &num))
|
|
|
|
{
|
|
|
|
remote_fileio_ioerror ();
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
flags = remote_fileio_oflags_to_host (num);
|
|
|
|
/* 3. Parameter: open mode */
|
|
|
|
if (remote_fileio_extract_int (&buf, &num))
|
|
|
|
{
|
|
|
|
remote_fileio_ioerror ();
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
mode = remote_fileio_mode_to_host (num, 1);
|
|
|
|
|
|
|
|
/* Request pathname using 'm' packet */
|
|
|
|
pathname = alloca (length);
|
|
|
|
retlength = remote_read_bytes (ptrval, pathname, length);
|
|
|
|
if (retlength != length)
|
|
|
|
{
|
|
|
|
remote_fileio_ioerror ();
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Check if pathname exists and is not a regular file or directory. If so,
|
|
|
|
return an appropriate error code. Same for trying to open directories
|
|
|
|
for writing. */
|
|
|
|
if (!stat (pathname, &st))
|
|
|
|
{
|
|
|
|
if (!S_ISREG (st.st_mode) && !S_ISDIR (st.st_mode))
|
|
|
|
{
|
|
|
|
remote_fileio_reply (-1, FILEIO_ENODEV);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
if (S_ISDIR (st.st_mode)
|
|
|
|
&& ((flags & O_WRONLY) == O_WRONLY || (flags & O_RDWR) == O_RDWR))
|
|
|
|
{
|
|
|
|
remote_fileio_reply (-1, FILEIO_EISDIR);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
remote_fio_no_longjmp = 1;
|
|
|
|
fd = open (pathname, flags, mode);
|
|
|
|
if (fd < 0)
|
|
|
|
{
|
|
|
|
remote_fileio_return_errno (-1);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
fd = remote_fileio_fd_to_targetfd (fd);
|
|
|
|
remote_fileio_return_success (fd);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
remote_fileio_func_close (char *buf)
|
|
|
|
{
|
|
|
|
long num;
|
|
|
|
int fd;
|
|
|
|
|
|
|
|
/* Parameter: file descriptor */
|
|
|
|
if (remote_fileio_extract_int (&buf, &num))
|
|
|
|
{
|
|
|
|
remote_fileio_ioerror ();
|
|
|
|
return;
|
|
|
|
}
|
2003-06-11 12:24:53 +02:00
|
|
|
fd = remote_fileio_map_fd ((int) num);
|
|
|
|
if (fd == FIO_FD_INVALID)
|
2003-06-10 16:37:04 +02:00
|
|
|
{
|
|
|
|
remote_fileio_badfd ();
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
remote_fio_no_longjmp = 1;
|
|
|
|
if (fd != FIO_FD_CONSOLE_IN && fd != FIO_FD_CONSOLE_OUT && close (fd))
|
|
|
|
remote_fileio_return_errno (-1);
|
|
|
|
remote_fileio_close_target_fd ((int) num);
|
|
|
|
remote_fileio_return_success (0);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
remote_fileio_func_read (char *buf)
|
|
|
|
{
|
|
|
|
long target_fd, num;
|
2003-06-11 12:24:53 +02:00
|
|
|
LONGEST lnum;
|
2003-06-10 16:37:04 +02:00
|
|
|
CORE_ADDR ptrval;
|
|
|
|
int fd, ret, retlength;
|
|
|
|
char *buffer;
|
|
|
|
size_t length;
|
|
|
|
off_t old_offset, new_offset;
|
|
|
|
|
|
|
|
/* 1. Parameter: file descriptor */
|
|
|
|
if (remote_fileio_extract_int (&buf, &target_fd))
|
|
|
|
{
|
|
|
|
remote_fileio_ioerror ();
|
|
|
|
return;
|
|
|
|
}
|
2003-06-11 12:24:53 +02:00
|
|
|
fd = remote_fileio_map_fd ((int) target_fd);
|
|
|
|
if (fd == FIO_FD_INVALID)
|
2003-06-10 16:37:04 +02:00
|
|
|
{
|
|
|
|
remote_fileio_badfd ();
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
/* 2. Parameter: buffer pointer */
|
|
|
|
if (remote_fileio_extract_long (&buf, &lnum))
|
|
|
|
{
|
|
|
|
remote_fileio_ioerror ();
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
ptrval = (CORE_ADDR) lnum;
|
|
|
|
/* 3. Parameter: buffer length */
|
|
|
|
if (remote_fileio_extract_int (&buf, &num))
|
|
|
|
{
|
|
|
|
remote_fileio_ioerror ();
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
length = (size_t) num;
|
|
|
|
|
|
|
|
switch (fd)
|
|
|
|
{
|
|
|
|
case FIO_FD_CONSOLE_OUT:
|
|
|
|
remote_fileio_badfd ();
|
|
|
|
return;
|
|
|
|
case FIO_FD_CONSOLE_IN:
|
|
|
|
{
|
|
|
|
static char *remaining_buf = NULL;
|
|
|
|
static int remaining_length = 0;
|
|
|
|
|
|
|
|
buffer = (char *) xmalloc (32768);
|
|
|
|
if (remaining_buf)
|
|
|
|
{
|
|
|
|
remote_fio_no_longjmp = 1;
|
|
|
|
if (remaining_length > length)
|
|
|
|
{
|
|
|
|
memcpy (buffer, remaining_buf, length);
|
|
|
|
memmove (remaining_buf, remaining_buf + length,
|
|
|
|
remaining_length - length);
|
|
|
|
remaining_length -= length;
|
|
|
|
ret = length;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
memcpy (buffer, remaining_buf, remaining_length);
|
|
|
|
xfree (remaining_buf);
|
|
|
|
remaining_buf = NULL;
|
|
|
|
ret = remaining_length;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
ret = ui_file_read (gdb_stdtargin, buffer, 32767);
|
|
|
|
remote_fio_no_longjmp = 1;
|
|
|
|
if (ret > 0 && (size_t)ret > length)
|
|
|
|
{
|
|
|
|
remaining_buf = (char *) xmalloc (ret - length);
|
|
|
|
remaining_length = ret - length;
|
|
|
|
memcpy (remaining_buf, buffer + length, remaining_length);
|
|
|
|
ret = length;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
buffer = (char *) xmalloc (length);
|
|
|
|
/* POSIX defines EINTR behaviour of read in a weird way. It's allowed
|
|
|
|
for read() to return -1 even if "some" bytes have been read. It
|
|
|
|
has been corrected in SUSv2 but that doesn't help us much...
|
|
|
|
Therefore a complete solution must check how many bytes have been
|
|
|
|
read on EINTR to return a more reliable value to the target */
|
|
|
|
old_offset = lseek (fd, 0, SEEK_CUR);
|
|
|
|
remote_fio_no_longjmp = 1;
|
|
|
|
ret = read (fd, buffer, length);
|
|
|
|
if (ret < 0 && errno == EINTR)
|
|
|
|
{
|
|
|
|
new_offset = lseek (fd, 0, SEEK_CUR);
|
|
|
|
/* If some data has been read, return the number of bytes read.
|
|
|
|
The Ctrl-C flag is set in remote_fileio_reply() anyway */
|
|
|
|
if (old_offset != new_offset)
|
|
|
|
ret = new_offset - old_offset;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (ret > 0)
|
|
|
|
{
|
|
|
|
retlength = remote_fileio_write_bytes (ptrval, buffer, ret);
|
|
|
|
if (retlength != ret)
|
|
|
|
ret = -1; /* errno has been set to EIO in remote_fileio_write_bytes() */
|
|
|
|
}
|
|
|
|
|
|
|
|
if (ret < 0)
|
|
|
|
remote_fileio_return_errno (-1);
|
|
|
|
else
|
|
|
|
remote_fileio_return_success (ret);
|
|
|
|
|
|
|
|
xfree (buffer);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
remote_fileio_func_write (char *buf)
|
|
|
|
{
|
|
|
|
long target_fd, num;
|
2003-06-11 12:24:53 +02:00
|
|
|
LONGEST lnum;
|
2003-06-10 16:37:04 +02:00
|
|
|
CORE_ADDR ptrval;
|
|
|
|
int fd, ret, retlength;
|
|
|
|
char *buffer;
|
|
|
|
size_t length;
|
|
|
|
|
|
|
|
/* 1. Parameter: file descriptor */
|
|
|
|
if (remote_fileio_extract_int (&buf, &target_fd))
|
|
|
|
{
|
|
|
|
remote_fileio_ioerror ();
|
|
|
|
return;
|
|
|
|
}
|
2003-06-11 12:24:53 +02:00
|
|
|
fd = remote_fileio_map_fd ((int) target_fd);
|
|
|
|
if (fd == FIO_FD_INVALID)
|
2003-06-10 16:37:04 +02:00
|
|
|
{
|
|
|
|
remote_fileio_badfd ();
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
/* 2. Parameter: buffer pointer */
|
|
|
|
if (remote_fileio_extract_long (&buf, &lnum))
|
|
|
|
{
|
|
|
|
remote_fileio_ioerror ();
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
ptrval = (CORE_ADDR) lnum;
|
|
|
|
/* 3. Parameter: buffer length */
|
|
|
|
if (remote_fileio_extract_int (&buf, &num))
|
|
|
|
{
|
|
|
|
remote_fileio_ioerror ();
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
length = (size_t) num;
|
|
|
|
|
|
|
|
buffer = (char *) xmalloc (length);
|
|
|
|
retlength = remote_read_bytes (ptrval, buffer, length);
|
|
|
|
if (retlength != length)
|
|
|
|
{
|
|
|
|
xfree (buffer);
|
|
|
|
remote_fileio_ioerror ();
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
remote_fio_no_longjmp = 1;
|
|
|
|
switch (fd)
|
|
|
|
{
|
|
|
|
case FIO_FD_CONSOLE_IN:
|
|
|
|
remote_fileio_badfd ();
|
|
|
|
return;
|
|
|
|
case FIO_FD_CONSOLE_OUT:
|
|
|
|
ui_file_write (target_fd == 1 ? gdb_stdtarg : gdb_stdtargerr, buffer,
|
|
|
|
length);
|
|
|
|
gdb_flush (target_fd == 1 ? gdb_stdtarg : gdb_stdtargerr);
|
|
|
|
ret = length;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
ret = write (fd, buffer, length);
|
|
|
|
if (ret < 0 && errno == EACCES)
|
|
|
|
errno = EBADF; /* Cygwin returns EACCESS when writing to a R/O file.*/
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (ret < 0)
|
|
|
|
remote_fileio_return_errno (-1);
|
|
|
|
else
|
|
|
|
remote_fileio_return_success (ret);
|
|
|
|
|
|
|
|
xfree (buffer);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
remote_fileio_func_lseek (char *buf)
|
|
|
|
{
|
|
|
|
long num;
|
2003-06-11 12:24:53 +02:00
|
|
|
LONGEST lnum;
|
2003-06-10 16:37:04 +02:00
|
|
|
int fd, flag;
|
|
|
|
off_t offset, ret;
|
|
|
|
|
|
|
|
/* 1. Parameter: file descriptor */
|
|
|
|
if (remote_fileio_extract_int (&buf, &num))
|
|
|
|
{
|
|
|
|
remote_fileio_ioerror ();
|
|
|
|
return;
|
|
|
|
}
|
2003-06-11 12:24:53 +02:00
|
|
|
fd = remote_fileio_map_fd ((int) num);
|
|
|
|
if (fd == FIO_FD_INVALID)
|
2003-06-10 16:37:04 +02:00
|
|
|
{
|
|
|
|
remote_fileio_badfd ();
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
else if (fd == FIO_FD_CONSOLE_IN || fd == FIO_FD_CONSOLE_OUT)
|
|
|
|
{
|
|
|
|
remote_fileio_reply (-1, FILEIO_ESPIPE);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* 2. Parameter: offset */
|
|
|
|
if (remote_fileio_extract_long (&buf, &lnum))
|
|
|
|
{
|
|
|
|
remote_fileio_ioerror ();
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
offset = (off_t) lnum;
|
|
|
|
/* 3. Parameter: flag */
|
|
|
|
if (remote_fileio_extract_int (&buf, &num))
|
|
|
|
{
|
|
|
|
remote_fileio_ioerror ();
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
if (remote_fileio_seek_flag_to_host (num, &flag))
|
|
|
|
{
|
|
|
|
remote_fileio_reply (-1, FILEIO_EINVAL);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
remote_fio_no_longjmp = 1;
|
|
|
|
ret = lseek (fd, offset, flag);
|
|
|
|
|
|
|
|
if (ret == (off_t) -1)
|
|
|
|
remote_fileio_return_errno (-1);
|
|
|
|
else
|
|
|
|
remote_fileio_return_success (ret);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
remote_fileio_func_rename (char *buf)
|
|
|
|
{
|
|
|
|
CORE_ADDR ptrval;
|
|
|
|
int length, retlength;
|
|
|
|
char *oldpath, *newpath;
|
|
|
|
int ret, of, nf;
|
|
|
|
struct stat ost, nst;
|
|
|
|
|
|
|
|
/* 1. Parameter: Ptr to oldpath / length incl. trailing zero */
|
|
|
|
if (remote_fileio_extract_ptr_w_len (&buf, &ptrval, &length))
|
|
|
|
{
|
|
|
|
remote_fileio_ioerror ();
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
/* Request oldpath using 'm' packet */
|
|
|
|
oldpath = alloca (length);
|
|
|
|
retlength = remote_read_bytes (ptrval, oldpath, length);
|
|
|
|
if (retlength != length)
|
|
|
|
{
|
|
|
|
remote_fileio_ioerror ();
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
/* 2. Parameter: Ptr to newpath / length incl. trailing zero */
|
|
|
|
if (remote_fileio_extract_ptr_w_len (&buf, &ptrval, &length))
|
|
|
|
{
|
|
|
|
remote_fileio_ioerror ();
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
/* Request newpath using 'm' packet */
|
|
|
|
newpath = alloca (length);
|
|
|
|
retlength = remote_read_bytes (ptrval, newpath, length);
|
|
|
|
if (retlength != length)
|
|
|
|
{
|
|
|
|
remote_fileio_ioerror ();
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Only operate on regular files and directories */
|
2003-06-11 12:24:53 +02:00
|
|
|
of = stat (oldpath, &ost);
|
|
|
|
nf = stat (newpath, &nst);
|
|
|
|
if ((!of && !S_ISREG (ost.st_mode) && !S_ISDIR (ost.st_mode))
|
|
|
|
|| (!nf && !S_ISREG (nst.st_mode) && !S_ISDIR (nst.st_mode)))
|
2003-06-10 16:37:04 +02:00
|
|
|
{
|
|
|
|
remote_fileio_reply (-1, FILEIO_EACCES);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
remote_fio_no_longjmp = 1;
|
|
|
|
ret = rename (oldpath, newpath);
|
|
|
|
|
|
|
|
if (ret == -1)
|
|
|
|
{
|
|
|
|
/* Special case: newpath is a non-empty directory. Some systems
|
|
|
|
return ENOTEMPTY, some return EEXIST. We coerce that to be
|
|
|
|
always EEXIST. */
|
|
|
|
if (errno == ENOTEMPTY)
|
|
|
|
errno = EEXIST;
|
|
|
|
#ifdef __CYGWIN__
|
|
|
|
/* Workaround some Cygwin problems with correct errnos. */
|
|
|
|
if (errno == EACCES)
|
|
|
|
{
|
|
|
|
if (!of && !nf && S_ISDIR (nst.st_mode))
|
|
|
|
{
|
|
|
|
if (S_ISREG (ost.st_mode))
|
|
|
|
errno = EISDIR;
|
|
|
|
else
|
|
|
|
{
|
|
|
|
char oldfullpath[PATH_MAX + 1];
|
|
|
|
char newfullpath[PATH_MAX + 1];
|
|
|
|
int len;
|
|
|
|
|
|
|
|
cygwin_conv_to_full_posix_path (oldpath, oldfullpath);
|
|
|
|
cygwin_conv_to_full_posix_path (newpath, newfullpath);
|
|
|
|
len = strlen (oldfullpath);
|
|
|
|
if (newfullpath[len] == '/'
|
|
|
|
&& !strncmp (oldfullpath, newfullpath, len))
|
|
|
|
errno = EINVAL;
|
|
|
|
else
|
|
|
|
errno = EEXIST;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
|
|
remote_fileio_return_errno (-1);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
remote_fileio_return_success (ret);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
remote_fileio_func_unlink (char *buf)
|
|
|
|
{
|
|
|
|
CORE_ADDR ptrval;
|
|
|
|
int length, retlength;
|
|
|
|
char *pathname;
|
|
|
|
int ret;
|
|
|
|
struct stat st;
|
|
|
|
|
|
|
|
/* Parameter: Ptr to pathname / length incl. trailing zero */
|
|
|
|
if (remote_fileio_extract_ptr_w_len (&buf, &ptrval, &length))
|
|
|
|
{
|
|
|
|
remote_fileio_ioerror ();
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
/* Request pathname using 'm' packet */
|
|
|
|
pathname = alloca (length);
|
|
|
|
retlength = remote_read_bytes (ptrval, pathname, length);
|
|
|
|
if (retlength != length)
|
|
|
|
{
|
|
|
|
remote_fileio_ioerror ();
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Only operate on regular files (and directories, which allows to return
|
|
|
|
the correct return code) */
|
|
|
|
if (!stat (pathname, &st) && !S_ISREG (st.st_mode) && !S_ISDIR (st.st_mode))
|
|
|
|
{
|
|
|
|
remote_fileio_reply (-1, FILEIO_ENODEV);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
remote_fio_no_longjmp = 1;
|
|
|
|
ret = unlink (pathname);
|
|
|
|
|
|
|
|
if (ret == -1)
|
|
|
|
remote_fileio_return_errno (-1);
|
|
|
|
else
|
|
|
|
remote_fileio_return_success (ret);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
remote_fileio_func_stat (char *buf)
|
|
|
|
{
|
|
|
|
CORE_ADDR ptrval;
|
|
|
|
int ret, length, retlength;
|
|
|
|
char *pathname;
|
2003-06-11 12:24:53 +02:00
|
|
|
LONGEST lnum;
|
2003-06-10 16:37:04 +02:00
|
|
|
struct stat st;
|
|
|
|
struct fio_stat fst;
|
|
|
|
|
|
|
|
/* 1. Parameter: Ptr to pathname / length incl. trailing zero */
|
|
|
|
if (remote_fileio_extract_ptr_w_len (&buf, &ptrval, &length))
|
|
|
|
{
|
|
|
|
remote_fileio_ioerror ();
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
/* Request pathname using 'm' packet */
|
|
|
|
pathname = alloca (length);
|
|
|
|
retlength = remote_read_bytes (ptrval, pathname, length);
|
|
|
|
if (retlength != length)
|
|
|
|
{
|
|
|
|
remote_fileio_ioerror ();
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* 2. Parameter: Ptr to struct stat */
|
|
|
|
if (remote_fileio_extract_long (&buf, &lnum))
|
|
|
|
{
|
|
|
|
remote_fileio_ioerror ();
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
ptrval = (CORE_ADDR) lnum;
|
|
|
|
|
|
|
|
remote_fio_no_longjmp = 1;
|
|
|
|
ret = stat (pathname, &st);
|
|
|
|
|
|
|
|
if (ret == -1)
|
|
|
|
{
|
|
|
|
remote_fileio_return_errno (-1);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
/* Only operate on regular files and directories */
|
|
|
|
if (!ret && !S_ISREG (st.st_mode) && !S_ISDIR (st.st_mode))
|
|
|
|
{
|
|
|
|
remote_fileio_reply (-1, FILEIO_EACCES);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
if (ptrval)
|
|
|
|
{
|
|
|
|
remote_fileio_to_fio_stat (&st, &fst);
|
|
|
|
remote_fileio_to_fio_uint (0, fst.fst_dev);
|
|
|
|
|
|
|
|
retlength = remote_fileio_write_bytes (ptrval, (char *) &fst, sizeof fst);
|
|
|
|
if (retlength != sizeof fst)
|
|
|
|
{
|
|
|
|
remote_fileio_return_errno (-1);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
remote_fileio_return_success (ret);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
remote_fileio_func_fstat (char *buf)
|
|
|
|
{
|
|
|
|
CORE_ADDR ptrval;
|
|
|
|
int fd, ret, retlength;
|
|
|
|
long target_fd;
|
2003-06-11 12:24:53 +02:00
|
|
|
LONGEST lnum;
|
2003-06-10 16:37:04 +02:00
|
|
|
struct stat st;
|
|
|
|
struct fio_stat fst;
|
|
|
|
struct timeval tv;
|
|
|
|
|
|
|
|
/* 1. Parameter: file descriptor */
|
|
|
|
if (remote_fileio_extract_int (&buf, &target_fd))
|
|
|
|
{
|
|
|
|
remote_fileio_ioerror ();
|
|
|
|
return;
|
|
|
|
}
|
2003-06-11 12:24:53 +02:00
|
|
|
fd = remote_fileio_map_fd ((int) target_fd);
|
|
|
|
if (fd == FIO_FD_INVALID)
|
2003-06-10 16:37:04 +02:00
|
|
|
{
|
|
|
|
remote_fileio_badfd ();
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
/* 2. Parameter: Ptr to struct stat */
|
|
|
|
if (remote_fileio_extract_long (&buf, &lnum))
|
|
|
|
{
|
|
|
|
remote_fileio_ioerror ();
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
ptrval = (CORE_ADDR) lnum;
|
|
|
|
|
|
|
|
remote_fio_no_longjmp = 1;
|
|
|
|
if (fd == FIO_FD_CONSOLE_IN || fd == FIO_FD_CONSOLE_OUT)
|
|
|
|
{
|
|
|
|
remote_fileio_to_fio_uint (1, fst.fst_dev);
|
|
|
|
st.st_mode = S_IFCHR | (fd == FIO_FD_CONSOLE_IN ? S_IRUSR : S_IWUSR);
|
|
|
|
st.st_nlink = 1;
|
|
|
|
st.st_uid = getuid ();
|
|
|
|
st.st_gid = getgid ();
|
|
|
|
st.st_rdev = 0;
|
|
|
|
st.st_size = 0;
|
|
|
|
st.st_blksize = 512;
|
2003-12-30 07:52:09 +01:00
|
|
|
#if HAVE_STRUCT_STAT_ST_BLOCKS
|
2003-06-10 16:37:04 +02:00
|
|
|
st.st_blocks = 0;
|
2003-12-30 07:52:09 +01:00
|
|
|
#endif
|
2003-06-10 16:37:04 +02:00
|
|
|
if (!gettimeofday (&tv, NULL))
|
|
|
|
st.st_atime = st.st_mtime = st.st_ctime = tv.tv_sec;
|
|
|
|
else
|
|
|
|
st.st_atime = st.st_mtime = st.st_ctime = (time_t) 0;
|
|
|
|
ret = 0;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
ret = fstat (fd, &st);
|
|
|
|
|
|
|
|
if (ret == -1)
|
|
|
|
{
|
|
|
|
remote_fileio_return_errno (-1);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
if (ptrval)
|
|
|
|
{
|
|
|
|
remote_fileio_to_fio_stat (&st, &fst);
|
|
|
|
|
|
|
|
retlength = remote_fileio_write_bytes (ptrval, (char *) &fst, sizeof fst);
|
|
|
|
if (retlength != sizeof fst)
|
|
|
|
{
|
|
|
|
remote_fileio_return_errno (-1);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
remote_fileio_return_success (ret);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
remote_fileio_func_gettimeofday (char *buf)
|
|
|
|
{
|
2003-06-11 12:24:53 +02:00
|
|
|
LONGEST lnum;
|
2003-06-10 16:37:04 +02:00
|
|
|
CORE_ADDR ptrval;
|
|
|
|
int ret, retlength;
|
|
|
|
struct timeval tv;
|
|
|
|
struct fio_timeval ftv;
|
|
|
|
|
|
|
|
/* 1. Parameter: struct timeval pointer */
|
|
|
|
if (remote_fileio_extract_long (&buf, &lnum))
|
|
|
|
{
|
|
|
|
remote_fileio_ioerror ();
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
ptrval = (CORE_ADDR) lnum;
|
|
|
|
/* 2. Parameter: some pointer value... */
|
|
|
|
if (remote_fileio_extract_long (&buf, &lnum))
|
|
|
|
{
|
|
|
|
remote_fileio_ioerror ();
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
/* ...which has to be NULL */
|
|
|
|
if (lnum)
|
|
|
|
{
|
|
|
|
remote_fileio_reply (-1, FILEIO_EINVAL);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
remote_fio_no_longjmp = 1;
|
|
|
|
ret = gettimeofday (&tv, NULL);
|
|
|
|
|
|
|
|
if (ret == -1)
|
|
|
|
{
|
|
|
|
remote_fileio_return_errno (-1);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (ptrval)
|
|
|
|
{
|
|
|
|
remote_fileio_to_fio_timeval (&tv, &ftv);
|
|
|
|
|
|
|
|
retlength = remote_fileio_write_bytes (ptrval, (char *) &ftv, sizeof ftv);
|
|
|
|
if (retlength != sizeof ftv)
|
|
|
|
{
|
|
|
|
remote_fileio_return_errno (-1);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
remote_fileio_return_success (ret);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
remote_fileio_func_isatty (char *buf)
|
|
|
|
{
|
|
|
|
long target_fd;
|
|
|
|
int fd;
|
|
|
|
|
|
|
|
/* Parameter: file descriptor */
|
|
|
|
if (remote_fileio_extract_int (&buf, &target_fd))
|
|
|
|
{
|
|
|
|
remote_fileio_ioerror ();
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
remote_fio_no_longjmp = 1;
|
|
|
|
fd = remote_fileio_map_fd ((int) target_fd);
|
|
|
|
remote_fileio_return_success (fd == FIO_FD_CONSOLE_IN ||
|
|
|
|
fd == FIO_FD_CONSOLE_OUT ? 1 : 0);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
remote_fileio_func_system (char *buf)
|
|
|
|
{
|
|
|
|
CORE_ADDR ptrval;
|
|
|
|
int ret, length, retlength;
|
|
|
|
char *cmdline;
|
|
|
|
|
|
|
|
/* Check if system(3) has been explicitely allowed using the
|
|
|
|
`set remote system-call-allowed 1' command. If not, return
|
|
|
|
EPERM */
|
|
|
|
if (!remote_fio_system_call_allowed)
|
|
|
|
{
|
|
|
|
remote_fileio_reply (-1, FILEIO_EPERM);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Parameter: Ptr to commandline / length incl. trailing zero */
|
|
|
|
if (remote_fileio_extract_ptr_w_len (&buf, &ptrval, &length))
|
|
|
|
{
|
|
|
|
remote_fileio_ioerror ();
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
/* Request commandline using 'm' packet */
|
|
|
|
cmdline = alloca (length);
|
|
|
|
retlength = remote_read_bytes (ptrval, cmdline, length);
|
|
|
|
if (retlength != length)
|
|
|
|
{
|
|
|
|
remote_fileio_ioerror ();
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
remote_fio_no_longjmp = 1;
|
|
|
|
ret = system (cmdline);
|
|
|
|
|
|
|
|
if (ret == -1)
|
|
|
|
remote_fileio_return_errno (-1);
|
|
|
|
else
|
|
|
|
remote_fileio_return_success (WEXITSTATUS (ret));
|
|
|
|
}
|
|
|
|
|
|
|
|
static struct {
|
|
|
|
char *name;
|
|
|
|
void (*func)(char *);
|
|
|
|
} remote_fio_func_map[] = {
|
|
|
|
"open", remote_fileio_func_open,
|
|
|
|
"close", remote_fileio_func_close,
|
|
|
|
"read", remote_fileio_func_read,
|
|
|
|
"write", remote_fileio_func_write,
|
|
|
|
"lseek", remote_fileio_func_lseek,
|
|
|
|
"rename", remote_fileio_func_rename,
|
|
|
|
"unlink", remote_fileio_func_unlink,
|
|
|
|
"stat", remote_fileio_func_stat,
|
|
|
|
"fstat", remote_fileio_func_fstat,
|
|
|
|
"gettimeofday", remote_fileio_func_gettimeofday,
|
|
|
|
"isatty", remote_fileio_func_isatty,
|
|
|
|
"system", remote_fileio_func_system,
|
|
|
|
NULL, NULL
|
|
|
|
};
|
|
|
|
|
|
|
|
static int
|
|
|
|
do_remote_fileio_request (struct ui_out *uiout, void *buf_arg)
|
|
|
|
{
|
|
|
|
char *buf = buf_arg;
|
|
|
|
char *c;
|
|
|
|
int idx;
|
|
|
|
|
|
|
|
remote_fileio_sig_set (remote_fileio_ctrl_c_signal_handler);
|
|
|
|
|
|
|
|
c = strchr (++buf, ',');
|
|
|
|
if (c)
|
|
|
|
*c++ = '\0';
|
|
|
|
else
|
|
|
|
c = strchr (buf, '\0');
|
|
|
|
for (idx = 0; remote_fio_func_map[idx].name; ++idx)
|
|
|
|
if (!strcmp (remote_fio_func_map[idx].name, buf))
|
|
|
|
break;
|
|
|
|
if (!remote_fio_func_map[idx].name) /* ERROR: No such function. */
|
|
|
|
return RETURN_ERROR;
|
|
|
|
remote_fio_func_map[idx].func (c);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
remote_fileio_request (char *buf)
|
|
|
|
{
|
|
|
|
int ex;
|
|
|
|
|
|
|
|
remote_fileio_sig_init ();
|
|
|
|
|
|
|
|
remote_fio_ctrl_c_flag = 0;
|
|
|
|
remote_fio_no_longjmp = 0;
|
|
|
|
|
|
|
|
ex = catch_exceptions (uiout, do_remote_fileio_request, (void *)buf,
|
2005-01-15 00:27:14 +01:00
|
|
|
RETURN_MASK_ALL);
|
2003-06-10 16:37:04 +02:00
|
|
|
switch (ex)
|
|
|
|
{
|
|
|
|
case RETURN_ERROR:
|
|
|
|
remote_fileio_reply (-1, FILEIO_ENOSYS);
|
|
|
|
break;
|
|
|
|
case RETURN_QUIT:
|
|
|
|
remote_fileio_reply (-1, FILEIO_EINTR);
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
remote_fileio_sig_exit ();
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
set_system_call_allowed (char *args, int from_tty)
|
|
|
|
{
|
|
|
|
if (args)
|
|
|
|
{
|
|
|
|
char *arg_end;
|
|
|
|
int val = strtoul (args, &arg_end, 10);
|
|
|
|
if (*args && *arg_end == '\0')
|
|
|
|
{
|
|
|
|
remote_fio_system_call_allowed = !!val;
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
}
|
2005-02-10 Andrew Cagney <cagney@gnu.org>
Mark up all error and warning messages.
* ada-lang.c, amd64-tdep.c, arch-utils.c, breakpoint.c: Update.
* bsd-kvm.c, bsd-uthread.c, coff-solib.h, coffread.c: Update.
* core-aout.c, core-regset.c, corefile.c, corelow.c: Update.
* cp-abi.c, cp-support.c, cp-valprint.c, cris-tdep.c: Update.
* dbxread.c, demangle.c, doublest.c, dsrec.c: Update.
* dve3900-rom.c, dwarf2expr.c, dwarf2loc.c: Update.
* dwarf2read.c, dwarfread.c, elfread.c, eval.c: Update.
* event-top.c, exec.c, expprint.c, f-lang.c: Update.
* f-typeprint.c, f-valprint.c, fbsd-nat.c, findvar.c: Update.
* frame.c, frv-linux-tdep.c, gcore.c, gdbtypes.c: Update.
* gnu-nat.c, gnu-v2-abi.c, gnu-v3-abi.c, go32-nat.c: Update.
* hpacc-abi.c, hppa-hpux-nat.c, hppa-hpux-tdep.c: Update.
* hppa-linux-nat.c, hppa-linux-tdep.c, hppa-tdep.c: Update.
* hpread.c, hpux-thread.c, i386-linux-nat.c: Update.
* i386-linux-tdep.c, i386-tdep.c, i386bsd-nat.c: Update.
* i386gnu-nat.c, i387-tdep.c, ia64-linux-nat.c: Update.
* ia64-tdep.c, inf-child.c, inf-ptrace.c, inf-ttrace.c: Update.
* infcall.c, infcmd.c, inflow.c, infptrace.c, infrun.c: Update.
* inftarg.c, interps.c, irix5-nat.c, jv-lang.c: Update.
* kod-cisco.c, kod.c, language.c, libunwind-frame.c: Update.
* linespec.c, linux-nat.c, linux-thread-db.c, m2-lang.c: Update.
* m32r-rom.c, m68hc11-tdep.c, m68k-tdep.c: Update.
* m68klinux-nat.c, macrocmd.c, macroexp.c, main.c: Update.
* maint.c, mdebugread.c, mem-break.c, memattr.c: Update.
* mips-linux-tdep.c, mips-tdep.c, mipsread.c, monitor.c: Update.
* nlmread.c, nto-procfs.c, objc-lang.c, objfiles.c: Update.
* observer.c, ocd.c, p-lang.c, p-typeprint.c: Update.
* p-valprint.c, pa64solib.c, parse.c, ppc-linux-tdep.c: Update.
* ppcnbsd-tdep.c, printcmd.c, procfs.c, remote-e7000.c: Update.
* remote-fileio.c, remote-m32r-sdi.c, remote-rdi.c: Update.
* remote-rdp.c, remote-sim.c, remote-st.c: Update.
* remote-utils.c, remote-utils.h, remote.c: Update.
* rom68k-rom.c, rs6000-nat.c, s390-tdep.c, scm-lang.c: Update.
* ser-e7kpc.c, ser-tcp.c, ser-unix.c, sh-tdep.c: Update.
* sh3-rom.c, shnbsd-tdep.c, sol-thread.c, solib-aix5.c: Update.
* solib-frv.c, solib-irix.c, solib-osf.c, solib-pa64.c: Update.
* solib-som.c, solib-sunos.c, solib-svr4.c, solib.c: Update.
* somread.c, somsolib.c, source.c, stabsread.c: Update.
* stack.c, std-regs.c, symfile-mem.c, symfile.c: Update.
* symmisc.c, symtab.c, target.c, thread.c, top.c: Update.
* tracepoint.c, trad-frame.c, typeprint.c, utils.c: Update.
* uw-thread.c, valarith.c, valops.c, valprint.c: Update.
* value.c, varobj.c, version.in, win32-nat.c, wince.c: Update.
* xcoffread.c, xcoffsolib.c, cli/cli-cmds.c: Update.
* cli/cli-decode.c, cli/cli-dump.c, cli/cli-logging.c: Update.
* cli/cli-script.c, cli/cli-setshow.c, mi/mi-cmd-break.c: Update.
* mi/mi-cmd-disas.c, mi/mi-cmd-env.c, mi/mi-cmd-file.c: Update.
* mi/mi-cmd-stack.c, mi/mi-cmd-var.c, mi/mi-getopt.c: Update.
* mi/mi-symbol-cmds.c, tui/tui-layout.c, tui/tui-stack.c: Update.
* tui/tui-win.c: Update.
2005-02-11 05:06:14 +01:00
|
|
|
error (_("Illegal argument for \"set remote system-call-allowed\" command"));
|
2003-06-10 16:37:04 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
show_system_call_allowed (char *args, int from_tty)
|
|
|
|
{
|
|
|
|
if (args)
|
2005-02-10 Andrew Cagney <cagney@gnu.org>
Mark up all error and warning messages.
* ada-lang.c, amd64-tdep.c, arch-utils.c, breakpoint.c: Update.
* bsd-kvm.c, bsd-uthread.c, coff-solib.h, coffread.c: Update.
* core-aout.c, core-regset.c, corefile.c, corelow.c: Update.
* cp-abi.c, cp-support.c, cp-valprint.c, cris-tdep.c: Update.
* dbxread.c, demangle.c, doublest.c, dsrec.c: Update.
* dve3900-rom.c, dwarf2expr.c, dwarf2loc.c: Update.
* dwarf2read.c, dwarfread.c, elfread.c, eval.c: Update.
* event-top.c, exec.c, expprint.c, f-lang.c: Update.
* f-typeprint.c, f-valprint.c, fbsd-nat.c, findvar.c: Update.
* frame.c, frv-linux-tdep.c, gcore.c, gdbtypes.c: Update.
* gnu-nat.c, gnu-v2-abi.c, gnu-v3-abi.c, go32-nat.c: Update.
* hpacc-abi.c, hppa-hpux-nat.c, hppa-hpux-tdep.c: Update.
* hppa-linux-nat.c, hppa-linux-tdep.c, hppa-tdep.c: Update.
* hpread.c, hpux-thread.c, i386-linux-nat.c: Update.
* i386-linux-tdep.c, i386-tdep.c, i386bsd-nat.c: Update.
* i386gnu-nat.c, i387-tdep.c, ia64-linux-nat.c: Update.
* ia64-tdep.c, inf-child.c, inf-ptrace.c, inf-ttrace.c: Update.
* infcall.c, infcmd.c, inflow.c, infptrace.c, infrun.c: Update.
* inftarg.c, interps.c, irix5-nat.c, jv-lang.c: Update.
* kod-cisco.c, kod.c, language.c, libunwind-frame.c: Update.
* linespec.c, linux-nat.c, linux-thread-db.c, m2-lang.c: Update.
* m32r-rom.c, m68hc11-tdep.c, m68k-tdep.c: Update.
* m68klinux-nat.c, macrocmd.c, macroexp.c, main.c: Update.
* maint.c, mdebugread.c, mem-break.c, memattr.c: Update.
* mips-linux-tdep.c, mips-tdep.c, mipsread.c, monitor.c: Update.
* nlmread.c, nto-procfs.c, objc-lang.c, objfiles.c: Update.
* observer.c, ocd.c, p-lang.c, p-typeprint.c: Update.
* p-valprint.c, pa64solib.c, parse.c, ppc-linux-tdep.c: Update.
* ppcnbsd-tdep.c, printcmd.c, procfs.c, remote-e7000.c: Update.
* remote-fileio.c, remote-m32r-sdi.c, remote-rdi.c: Update.
* remote-rdp.c, remote-sim.c, remote-st.c: Update.
* remote-utils.c, remote-utils.h, remote.c: Update.
* rom68k-rom.c, rs6000-nat.c, s390-tdep.c, scm-lang.c: Update.
* ser-e7kpc.c, ser-tcp.c, ser-unix.c, sh-tdep.c: Update.
* sh3-rom.c, shnbsd-tdep.c, sol-thread.c, solib-aix5.c: Update.
* solib-frv.c, solib-irix.c, solib-osf.c, solib-pa64.c: Update.
* solib-som.c, solib-sunos.c, solib-svr4.c, solib.c: Update.
* somread.c, somsolib.c, source.c, stabsread.c: Update.
* stack.c, std-regs.c, symfile-mem.c, symfile.c: Update.
* symmisc.c, symtab.c, target.c, thread.c, top.c: Update.
* tracepoint.c, trad-frame.c, typeprint.c, utils.c: Update.
* uw-thread.c, valarith.c, valops.c, valprint.c: Update.
* value.c, varobj.c, version.in, win32-nat.c, wince.c: Update.
* xcoffread.c, xcoffsolib.c, cli/cli-cmds.c: Update.
* cli/cli-decode.c, cli/cli-dump.c, cli/cli-logging.c: Update.
* cli/cli-script.c, cli/cli-setshow.c, mi/mi-cmd-break.c: Update.
* mi/mi-cmd-disas.c, mi/mi-cmd-env.c, mi/mi-cmd-file.c: Update.
* mi/mi-cmd-stack.c, mi/mi-cmd-var.c, mi/mi-getopt.c: Update.
* mi/mi-symbol-cmds.c, tui/tui-layout.c, tui/tui-stack.c: Update.
* tui/tui-win.c: Update.
2005-02-11 05:06:14 +01:00
|
|
|
error (_("Garbage after \"show remote system-call-allowed\" command: `%s'"), args);
|
2003-06-10 16:37:04 +02:00
|
|
|
printf_unfiltered ("Calling host system(3) call from target is %sallowed\n",
|
|
|
|
remote_fio_system_call_allowed ? "" : "not ");
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
initialize_remote_fileio (struct cmd_list_element *remote_set_cmdlist,
|
|
|
|
struct cmd_list_element *remote_show_cmdlist)
|
|
|
|
{
|
|
|
|
add_cmd ("system-call-allowed", no_class,
|
|
|
|
set_system_call_allowed,
|
2005-02-14 Andrew Cagney <cagney@gnu.org>
Mark up add_cmd.
* arch-utils.c, avr-tdep.c, breakpoint.c, corefile.c: Update.
* cp-abi.c, cp-namespace.c, cp-support.c, dummy-frame.c: Update.
* exec.c, gnu-nat.c, go32-nat.c, hppa-tdep.c, infcmd.c: Update.
* infrun.c, interps.c, macrocmd.c, maint.c, memattr.c: Update.
* mips-tdep.c, ocd.c, osabi.c, printcmd.c, regcache.c: Update.
* reggroups.c, remote-fileio.c, remote-rdi.c, remote.c: Update.
* sol-thread.c, source.c, stack.c, symfile-mem.c: Update.
* symfile.c, thread.c, tracepoint.c, valprint.c, value.c: Update.
* win32-nat.c, cli/cli-cmds.c, cli/cli-dump.c: Update.
* cli/cli-logging.c, tui/tui-regs.c: Update.
2005-02-14 19:10:11 +01:00
|
|
|
_("Set if the host system(3) call is allowed for the target."),
|
2003-06-10 16:37:04 +02:00
|
|
|
&remote_set_cmdlist);
|
|
|
|
add_cmd ("system-call-allowed", no_class,
|
|
|
|
show_system_call_allowed,
|
2005-02-14 Andrew Cagney <cagney@gnu.org>
Mark up add_cmd.
* arch-utils.c, avr-tdep.c, breakpoint.c, corefile.c: Update.
* cp-abi.c, cp-namespace.c, cp-support.c, dummy-frame.c: Update.
* exec.c, gnu-nat.c, go32-nat.c, hppa-tdep.c, infcmd.c: Update.
* infrun.c, interps.c, macrocmd.c, maint.c, memattr.c: Update.
* mips-tdep.c, ocd.c, osabi.c, printcmd.c, regcache.c: Update.
* reggroups.c, remote-fileio.c, remote-rdi.c, remote.c: Update.
* sol-thread.c, source.c, stack.c, symfile-mem.c: Update.
* symfile.c, thread.c, tracepoint.c, valprint.c, value.c: Update.
* win32-nat.c, cli/cli-cmds.c, cli/cli-dump.c: Update.
* cli/cli-logging.c, tui/tui-regs.c: Update.
2005-02-14 19:10:11 +01:00
|
|
|
_("Show if the host system(3) call is allowed for the target."),
|
2003-06-10 16:37:04 +02:00
|
|
|
&remote_show_cmdlist);
|
|
|
|
}
|