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
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
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., 51 Franklin Street, Fifth Floor,
- Boston, MA 02110-1301, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
/* See the GDB User Guide for details of the GDB remote protocol. */
#include "gdbcore.h" /* for exec_bfd */
#include "remote-fileio.h"
+#include "gdb/fileio.h"
#include "memory-map.h"
void _initialize_remote (void);
+/* For "remote". */
+
+static struct cmd_list_element *remote_cmdlist;
+
/* For "set remote" and "show remote". */
static struct cmd_list_element *remote_set_cmdlist;
/* Use the architecture to build a regnum<->pnum table, which will be
1:1 unless a feature set specifies otherwise. */
rsa->regs = GDBARCH_OBSTACK_CALLOC (gdbarch,
- gdbarch_num_regs (current_gdbarch),
+ gdbarch_num_regs (gdbarch),
struct packet_reg);
- for (regnum = 0; regnum < gdbarch_num_regs (current_gdbarch); regnum++)
+ for (regnum = 0; regnum < gdbarch_num_regs (gdbarch); regnum++)
{
struct packet_reg *r = &rsa->regs[regnum];
- if (register_size (current_gdbarch, regnum) == 0)
+ if (register_size (gdbarch, regnum) == 0)
/* Do not try to fetch zero-sized (placeholder) registers. */
r->pnum = -1;
else
with a remote protocol number, in order of ascending protocol
number. */
- remote_regs = alloca (gdbarch_num_regs (current_gdbarch)
- * sizeof (struct packet_reg *));
+ remote_regs = alloca (gdbarch_num_regs (gdbarch)
+ * sizeof (struct packet_reg *));
for (num_remote_regs = 0, regnum = 0;
- regnum < gdbarch_num_regs (current_gdbarch);
+ regnum < gdbarch_num_regs (gdbarch);
regnum++)
if (rsa->regs[regnum].pnum != -1)
remote_regs[num_remote_regs++] = &rsa->regs[regnum];
{
remote_regs[regnum]->in_g_packet = 1;
remote_regs[regnum]->offset = offset;
- offset += register_size (current_gdbarch, remote_regs[regnum]->regnum);
+ offset += register_size (gdbarch, remote_regs[regnum]->regnum);
}
/* Record the maximum possible size of the g packet - it may turn out
PACKET_Z2,
PACKET_Z3,
PACKET_Z4,
+ PACKET_vFile_open,
+ PACKET_vFile_pread,
+ PACKET_vFile_pwrite,
+ PACKET_vFile_close,
+ PACKET_vFile_unlink,
PACKET_qXfer_auxv,
PACKET_qXfer_features,
PACKET_qXfer_libraries,
static char *
unpack_nibble (char *buf, int *val)
{
- ishex (*buf++, val);
+ *val = fromhex (*buf++);
return buf;
}
do_segments = (data != NULL);
do_sections = num_segments == 0;
- /* Text= and Data= specify offsets for the text and data sections,
- but symfile_map_offsets_to_segments expects base addresses
- instead of offsets. If we have two segments, we can still
- try to relocate the whole segments instead of just ".text"
- and ".data". */
- if (num_segments == 0)
+ if (num_segments > 0)
{
- do_sections = 1;
- if (data == NULL || data->num_segments != 2)
- do_segments = 0;
- else
- {
- segments[0] = data->segment_bases[0] + text_addr;
- segments[1] = data->segment_bases[1] + data_addr;
- }
- }
- else
- {
- do_sections = 0;
segments[0] = text_addr;
segments[1] = data_addr;
}
+ /* If we have two segments, we can still try to relocate everything
+ by assuming that the .text and .data offsets apply to the whole
+ text and data segments. Convert the offsets given in the packet
+ to base addresses for symfile_map_offsets_to_segments. */
+ else if (data && data->num_segments == 2)
+ {
+ segments[0] = data->segment_bases[0] + text_addr;
+ segments[1] = data->segment_bases[1] + data_addr;
+ num_segments = 2;
+ }
+ /* There's no way to relocate by segment. */
+ else
+ do_segments = 0;
if (do_segments)
{
do_sections = 0;
}
- free_symfile_segment_data (data);
+ if (data)
+ free_symfile_segment_data (data);
if (do_sections)
{
if (sym == NULL)
xsnprintf (msg, get_remote_packet_size (), "qSymbol::%s", &reply[8]);
else
- xsnprintf (msg, get_remote_packet_size (), "qSymbol:%s:%s",
- paddr_nz (SYMBOL_VALUE_ADDRESS (sym)),
- &reply[8]);
+ {
+ CORE_ADDR sym_addr = SYMBOL_VALUE_ADDRESS (sym);
+
+ /* If this is a function address, return the start of code
+ instead of any data function descriptor. */
+ sym_addr = gdbarch_convert_from_func_ptr_addr (current_gdbarch,
+ sym_addr,
+ ¤t_target);
+
+ xsnprintf (msg, get_remote_packet_size (), "qSymbol:%s:%s",
+ paddr_nz (sym_addr), &reply[8]);
+ }
+
putpkt (msg);
getpkt (&rs->buf, &rs->buf_size, 0);
reply = rs->buf;
return 0;
case PACKET_ERROR:
error (_("Could not fetch register \"%s\""),
- gdbarch_register_name (current_gdbarch, reg->regnum));
+ gdbarch_register_name (get_regcache_arch (regcache), reg->regnum));
}
/* If this register is unfetchable, tell the regcache. */
static void
process_g_packet (struct regcache *regcache)
{
+ struct gdbarch *gdbarch = get_regcache_arch (regcache);
struct remote_state *rs = get_remote_state ();
struct remote_arch_state *rsa = get_remote_arch_state ();
int i, buf_len;
{
rsa->sizeof_g_packet = buf_len / 2;
- for (i = 0; i < gdbarch_num_regs (current_gdbarch); i++)
+ for (i = 0; i < gdbarch_num_regs (gdbarch); i++)
{
if (rsa->regs[i].pnum == -1)
continue;
{
int i;
- for (i = 0; i < gdbarch_num_regs (current_gdbarch); i++)
+ for (i = 0; i < gdbarch_num_regs (gdbarch); i++)
{
struct packet_reg *r = &rsa->regs[i];
if (r->in_g_packet)
fetch_registers_using_g (regcache);
- for (i = 0; i < gdbarch_num_regs (current_gdbarch); i++)
+ for (i = 0; i < gdbarch_num_regs (get_regcache_arch (regcache)); i++)
if (!rsa->regs[i].in_g_packet)
if (!fetch_register_using_p (regcache, &rsa->regs[i]))
{
case PACKET_DISABLE:
case PACKET_SUPPORT_UNKNOWN:
/* Make sure all the necessary registers are cached. */
- for (i = 0; i < gdbarch_num_regs (current_gdbarch); i++)
+ for (i = 0; i < gdbarch_num_regs (get_regcache_arch (regcache)); i++)
if (rsa->regs[i].in_g_packet)
regcache_raw_read (regcache, rsa->regs[i].regnum, buf);
break;
static int
store_register_using_P (const struct regcache *regcache, struct packet_reg *reg)
{
+ struct gdbarch *gdbarch = get_regcache_arch (regcache);
struct remote_state *rs = get_remote_state ();
struct remote_arch_state *rsa = get_remote_arch_state ();
/* Try storing a single register. */
xsnprintf (buf, get_remote_packet_size (), "P%s=", phex_nz (reg->pnum, 0));
p = buf + strlen (buf);
regcache_raw_collect (regcache, reg->regnum, regp);
- bin2hex (regp, p, register_size (current_gdbarch, reg->regnum));
+ bin2hex (regp, p, register_size (gdbarch, reg->regnum));
remote_send (&rs->buf, &rs->buf_size);
switch (packet_ok (rs->buf, &remote_protocol_packets[PACKET_P]))
return 1;
case PACKET_ERROR:
error (_("Could not write register \"%s\""),
- gdbarch_register_name (current_gdbarch, reg->regnum));
+ gdbarch_register_name (gdbarch, reg->regnum));
case PACKET_UNKNOWN:
return 0;
default:
int i;
regs = alloca (rsa->sizeof_g_packet);
memset (regs, 0, rsa->sizeof_g_packet);
- for (i = 0; i < gdbarch_num_regs (current_gdbarch); i++)
+ for (i = 0; i < gdbarch_num_regs (get_regcache_arch (regcache)); i++)
{
struct packet_reg *r = &rsa->regs[i];
if (r->in_g_packet)
store_registers_using_G (regcache);
- for (i = 0; i < gdbarch_num_regs (current_gdbarch); i++)
+ for (i = 0; i < gdbarch_num_regs (get_regcache_arch (regcache)); i++)
if (!rsa->regs[i].in_g_packet)
if (!store_register_using_P (regcache, &rsa->regs[i]))
/* See above for why we do not issue an error here. */
{
QUIT;
target_mourn_inferior ();
- error (_("Watchdog has expired. Target detached."));
+ error (_("Watchdog timeout has expired. Target detached."));
}
if (remote_debug)
fputs_filtered ("Timed out.\n", gdb_stdlog);
return remote_stopped_by_watchpoint_p;
}
-extern int stepped_after_stopped_by_watchpoint;
-
static int
remote_stopped_data_address (struct target_ops *target, CORE_ADDR *addr_p)
{
int rc = 0;
- if (remote_stopped_by_watchpoint ()
- || stepped_after_stopped_by_watchpoint)
+ if (remote_stopped_by_watchpoint ())
{
*addr_p = remote_watch_data_address;
rc = 1;
return NULL;
}
+/* Remote file transfer support. This is host-initiated I/O, not
+ target-initiated; for target-initiated, see remote-fileio.c. */
+
+/* If *LEFT is at least the length of STRING, copy STRING to
+ *BUFFER, update *BUFFER to point to the new end of the buffer, and
+ decrease *LEFT. Otherwise raise an error. */
+
+static void
+remote_buffer_add_string (char **buffer, int *left, char *string)
+{
+ int len = strlen (string);
+
+ if (len > *left)
+ error (_("Packet too long for target."));
+
+ memcpy (*buffer, string, len);
+ *buffer += len;
+ *left -= len;
+
+ /* NUL-terminate the buffer as a convenience, if there is
+ room. */
+ if (*left)
+ **buffer = '\0';
+}
+
+/* If *LEFT is large enough, hex encode LEN bytes from BYTES into
+ *BUFFER, update *BUFFER to point to the new end of the buffer, and
+ decrease *LEFT. Otherwise raise an error. */
+
+static void
+remote_buffer_add_bytes (char **buffer, int *left, const gdb_byte *bytes,
+ int len)
+{
+ if (2 * len > *left)
+ error (_("Packet too long for target."));
+
+ bin2hex (bytes, *buffer, len);
+ *buffer += 2 * len;
+ *left -= 2 * len;
+
+ /* NUL-terminate the buffer as a convenience, if there is
+ room. */
+ if (*left)
+ **buffer = '\0';
+}
+
+/* If *LEFT is large enough, convert VALUE to hex and add it to
+ *BUFFER, update *BUFFER to point to the new end of the buffer, and
+ decrease *LEFT. Otherwise raise an error. */
+
+static void
+remote_buffer_add_int (char **buffer, int *left, ULONGEST value)
+{
+ int len = hexnumlen (value);
+
+ if (len > *left)
+ error (_("Packet too long for target."));
+
+ hexnumstr (*buffer, value);
+ *buffer += len;
+ *left -= len;
+
+ /* NUL-terminate the buffer as a convenience, if there is
+ room. */
+ if (*left)
+ **buffer = '\0';
+}
+
+/* Parse an I/O result packet from BUFFER. Set RETCODE to the return
+ value, *REMOTE_ERRNO to the remote error number or zero if none
+ was included, and *ATTACHMENT to point to the start of the annex
+ if any. The length of the packet isn't needed here; there may
+ be NUL bytes in BUFFER, but they will be after *ATTACHMENT.
+
+ Return 0 if the packet could be parsed, -1 if it could not. If
+ -1 is returned, the other variables may not be initialized. */
+
+static int
+remote_hostio_parse_result (char *buffer, int *retcode,
+ int *remote_errno, char **attachment)
+{
+ char *p, *p2;
+
+ *remote_errno = 0;
+ *attachment = NULL;
+
+ if (buffer[0] != 'F')
+ return -1;
+
+ errno = 0;
+ *retcode = strtol (&buffer[1], &p, 16);
+ if (errno != 0 || p == &buffer[1])
+ return -1;
+
+ /* Check for ",errno". */
+ if (*p == ',')
+ {
+ errno = 0;
+ *remote_errno = strtol (p + 1, &p2, 16);
+ if (errno != 0 || p + 1 == p2)
+ return -1;
+ p = p2;
+ }
+
+ /* Check for ";attachment". If there is no attachment, the
+ packet should end here. */
+ if (*p == ';')
+ {
+ *attachment = p + 1;
+ return 0;
+ }
+ else if (*p == '\0')
+ return 0;
+ else
+ return -1;
+}
+
+/* Send a prepared I/O packet to the target and read its response.
+ The prepared packet is in the global RS->BUF before this function
+ is called, and the answer is there when we return.
+
+ COMMAND_BYTES is the length of the request to send, which may include
+ binary data. WHICH_PACKET is the packet configuration to check
+ before attempting a packet. If an error occurs, *REMOTE_ERRNO
+ is set to the error number and -1 is returned. Otherwise the value
+ returned by the function is returned.
+
+ ATTACHMENT and ATTACHMENT_LEN should be non-NULL if and only if an
+ attachment is expected; an error will be reported if there's a
+ mismatch. If one is found, *ATTACHMENT will be set to point into
+ the packet buffer and *ATTACHMENT_LEN will be set to the
+ attachment's length. */
+
+static int
+remote_hostio_send_command (int command_bytes, int which_packet,
+ int *remote_errno, char **attachment,
+ int *attachment_len)
+{
+ struct remote_state *rs = get_remote_state ();
+ int ret, bytes_read;
+ char *attachment_tmp;
+
+ if (remote_protocol_packets[which_packet].support == PACKET_DISABLE)
+ {
+ *remote_errno = FILEIO_ENOSYS;
+ return -1;
+ }
+
+ putpkt_binary (rs->buf, command_bytes);
+ bytes_read = getpkt_sane (&rs->buf, &rs->buf_size, 0);
+
+ /* If it timed out, something is wrong. Don't try to parse the
+ buffer. */
+ if (bytes_read < 0)
+ {
+ *remote_errno = FILEIO_EINVAL;
+ return -1;
+ }
+
+ switch (packet_ok (rs->buf, &remote_protocol_packets[which_packet]))
+ {
+ case PACKET_ERROR:
+ *remote_errno = FILEIO_EINVAL;
+ return -1;
+ case PACKET_UNKNOWN:
+ *remote_errno = FILEIO_ENOSYS;
+ return -1;
+ case PACKET_OK:
+ break;
+ }
+
+ if (remote_hostio_parse_result (rs->buf, &ret, remote_errno,
+ &attachment_tmp))
+ {
+ *remote_errno = FILEIO_EINVAL;
+ return -1;
+ }
+
+ /* Make sure we saw an attachment if and only if we expected one. */
+ if ((attachment_tmp == NULL && attachment != NULL)
+ || (attachment_tmp != NULL && attachment == NULL))
+ {
+ *remote_errno = FILEIO_EINVAL;
+ return -1;
+ }
+
+ /* If an attachment was found, it must point into the packet buffer;
+ work out how many bytes there were. */
+ if (attachment_tmp != NULL)
+ {
+ *attachment = attachment_tmp;
+ *attachment_len = bytes_read - (*attachment - rs->buf);
+ }
+
+ return ret;
+}
+
+/* Open FILENAME on the remote target, using FLAGS and MODE. Return a
+ remote file descriptor, or -1 if an error occurs (and set
+ *REMOTE_ERRNO). */
+
+static int
+remote_hostio_open (const char *filename, int flags, int mode,
+ int *remote_errno)
+{
+ struct remote_state *rs = get_remote_state ();
+ char *p = rs->buf;
+ int left = get_remote_packet_size () - 1;
+
+ remote_buffer_add_string (&p, &left, "vFile:open:");
+
+ remote_buffer_add_bytes (&p, &left, (const gdb_byte *) filename,
+ strlen (filename));
+ remote_buffer_add_string (&p, &left, ",");
+
+ remote_buffer_add_int (&p, &left, flags);
+ remote_buffer_add_string (&p, &left, ",");
+
+ remote_buffer_add_int (&p, &left, mode);
+
+ return remote_hostio_send_command (p - rs->buf, PACKET_vFile_open,
+ remote_errno, NULL, NULL);
+}
+
+/* Write up to LEN bytes from WRITE_BUF to FD on the remote target.
+ Return the number of bytes written, or -1 if an error occurs (and
+ set *REMOTE_ERRNO). */
+
+static int
+remote_hostio_pwrite (int fd, const gdb_byte *write_buf, int len,
+ ULONGEST offset, int *remote_errno)
+{
+ struct remote_state *rs = get_remote_state ();
+ char *p = rs->buf;
+ int left = get_remote_packet_size ();
+ int out_len;
+
+ remote_buffer_add_string (&p, &left, "vFile:pwrite:");
+
+ remote_buffer_add_int (&p, &left, fd);
+ remote_buffer_add_string (&p, &left, ",");
+
+ remote_buffer_add_int (&p, &left, offset);
+ remote_buffer_add_string (&p, &left, ",");
+
+ p += remote_escape_output (write_buf, len, p, &out_len,
+ get_remote_packet_size () - (p - rs->buf));
+
+ return remote_hostio_send_command (p - rs->buf, PACKET_vFile_pwrite,
+ remote_errno, NULL, NULL);
+}
+
+/* Read up to LEN bytes FD on the remote target into READ_BUF
+ Return the number of bytes read, or -1 if an error occurs (and
+ set *REMOTE_ERRNO). */
+
+static int
+remote_hostio_pread (int fd, gdb_byte *read_buf, int len,
+ ULONGEST offset, int *remote_errno)
+{
+ struct remote_state *rs = get_remote_state ();
+ char *p = rs->buf;
+ char *attachment;
+ int left = get_remote_packet_size ();
+ int ret, attachment_len;
+ int read_len;
+
+ remote_buffer_add_string (&p, &left, "vFile:pread:");
+
+ remote_buffer_add_int (&p, &left, fd);
+ remote_buffer_add_string (&p, &left, ",");
+
+ remote_buffer_add_int (&p, &left, len);
+ remote_buffer_add_string (&p, &left, ",");
+
+ remote_buffer_add_int (&p, &left, offset);
+
+ ret = remote_hostio_send_command (p - rs->buf, PACKET_vFile_pread,
+ remote_errno, &attachment,
+ &attachment_len);
+
+ if (ret < 0)
+ return ret;
+
+ read_len = remote_unescape_input (attachment, attachment_len,
+ read_buf, len);
+ if (read_len != ret)
+ error (_("Read returned %d, but %d bytes."), ret, (int) read_len);
+
+ return ret;
+}
+
+/* Close FD on the remote target. Return 0, or -1 if an error occurs
+ (and set *REMOTE_ERRNO). */
+
+static int
+remote_hostio_close (int fd, int *remote_errno)
+{
+ struct remote_state *rs = get_remote_state ();
+ char *p = rs->buf;
+ int left = get_remote_packet_size () - 1;
+
+ remote_buffer_add_string (&p, &left, "vFile:close:");
+
+ remote_buffer_add_int (&p, &left, fd);
+
+ return remote_hostio_send_command (p - rs->buf, PACKET_vFile_close,
+ remote_errno, NULL, NULL);
+}
+
+/* Unlink FILENAME on the remote target. Return 0, or -1 if an error
+ occurs (and set *REMOTE_ERRNO). */
+
+static int
+remote_hostio_unlink (const char *filename, int *remote_errno)
+{
+ struct remote_state *rs = get_remote_state ();
+ char *p = rs->buf;
+ int left = get_remote_packet_size () - 1;
+
+ remote_buffer_add_string (&p, &left, "vFile:unlink:");
+
+ remote_buffer_add_bytes (&p, &left, (const gdb_byte *) filename,
+ strlen (filename));
+
+ return remote_hostio_send_command (p - rs->buf, PACKET_vFile_unlink,
+ remote_errno, NULL, NULL);
+}
+
+static int
+remote_fileio_errno_to_host (int errnum)
+{
+ switch (errnum)
+ {
+ case FILEIO_EPERM:
+ return EPERM;
+ case FILEIO_ENOENT:
+ return ENOENT;
+ case FILEIO_EINTR:
+ return EINTR;
+ case FILEIO_EIO:
+ return EIO;
+ case FILEIO_EBADF:
+ return EBADF;
+ case FILEIO_EACCES:
+ return EACCES;
+ case FILEIO_EFAULT:
+ return EFAULT;
+ case FILEIO_EBUSY:
+ return EBUSY;
+ case FILEIO_EEXIST:
+ return EEXIST;
+ case FILEIO_ENODEV:
+ return ENODEV;
+ case FILEIO_ENOTDIR:
+ return ENOTDIR;
+ case FILEIO_EISDIR:
+ return EISDIR;
+ case FILEIO_EINVAL:
+ return EINVAL;
+ case FILEIO_ENFILE:
+ return ENFILE;
+ case FILEIO_EMFILE:
+ return EMFILE;
+ case FILEIO_EFBIG:
+ return EFBIG;
+ case FILEIO_ENOSPC:
+ return ENOSPC;
+ case FILEIO_ESPIPE:
+ return ESPIPE;
+ case FILEIO_EROFS:
+ return EROFS;
+ case FILEIO_ENOSYS:
+ return ENOSYS;
+ case FILEIO_ENAMETOOLONG:
+ return ENAMETOOLONG;
+ }
+ return -1;
+}
+
+static char *
+remote_hostio_error (int errnum)
+{
+ int host_error = remote_fileio_errno_to_host (errnum);
+
+ if (host_error == -1)
+ error (_("Unknown remote I/O error %d"), errnum);
+ else
+ error (_("Remote I/O error: %s"), safe_strerror (host_error));
+}
+
+static void
+fclose_cleanup (void *file)
+{
+ fclose (file);
+}
+
+static void
+remote_hostio_close_cleanup (void *opaque)
+{
+ int fd = *(int *) opaque;
+ int remote_errno;
+
+ remote_hostio_close (fd, &remote_errno);
+}
+
+void
+remote_file_put (const char *local_file, const char *remote_file, int from_tty)
+{
+ struct cleanup *back_to, *close_cleanup;
+ int retcode, fd, remote_errno, bytes, io_size;
+ FILE *file;
+ gdb_byte *buffer;
+ int bytes_in_buffer;
+ int saw_eof;
+ ULONGEST offset;
+
+ if (!remote_desc)
+ error (_("command can only be used with remote target"));
+
+ file = fopen (local_file, "rb");
+ if (file == NULL)
+ perror_with_name (local_file);
+ back_to = make_cleanup (fclose_cleanup, file);
+
+ fd = remote_hostio_open (remote_file, (FILEIO_O_WRONLY | FILEIO_O_CREAT
+ | FILEIO_O_TRUNC),
+ 0700, &remote_errno);
+ if (fd == -1)
+ remote_hostio_error (remote_errno);
+
+ /* Send up to this many bytes at once. They won't all fit in the
+ remote packet limit, so we'll transfer slightly fewer. */
+ io_size = get_remote_packet_size ();
+ buffer = xmalloc (io_size);
+ make_cleanup (xfree, buffer);
+
+ close_cleanup = make_cleanup (remote_hostio_close_cleanup, &fd);
+
+ bytes_in_buffer = 0;
+ saw_eof = 0;
+ offset = 0;
+ while (bytes_in_buffer || !saw_eof)
+ {
+ if (!saw_eof)
+ {
+ bytes = fread (buffer + bytes_in_buffer, 1, io_size - bytes_in_buffer,
+ file);
+ if (bytes == 0)
+ {
+ if (ferror (file))
+ error (_("Error reading %s."), local_file);
+ else
+ {
+ /* EOF. Unless there is something still in the
+ buffer from the last iteration, we are done. */
+ saw_eof = 1;
+ if (bytes_in_buffer == 0)
+ break;
+ }
+ }
+ }
+ else
+ bytes = 0;
+
+ bytes += bytes_in_buffer;
+ bytes_in_buffer = 0;
+
+ retcode = remote_hostio_pwrite (fd, buffer, bytes, offset, &remote_errno);
+
+ if (retcode < 0)
+ remote_hostio_error (remote_errno);
+ else if (retcode == 0)
+ error (_("Remote write of %d bytes returned 0!"), bytes);
+ else if (retcode < bytes)
+ {
+ /* Short write. Save the rest of the read data for the next
+ write. */
+ bytes_in_buffer = bytes - retcode;
+ memmove (buffer, buffer + retcode, bytes_in_buffer);
+ }
+
+ offset += retcode;
+ }
+
+ discard_cleanups (close_cleanup);
+ if (remote_hostio_close (fd, &remote_errno))
+ remote_hostio_error (remote_errno);
+
+ if (from_tty)
+ printf_filtered (_("Successfully sent file \"%s\".\n"), local_file);
+ do_cleanups (back_to);
+}
+
+void
+remote_file_get (const char *remote_file, const char *local_file, int from_tty)
+{
+ struct cleanup *back_to, *close_cleanup;
+ int retcode, fd, remote_errno, bytes, io_size;
+ FILE *file;
+ gdb_byte *buffer;
+ ULONGEST offset;
+
+ if (!remote_desc)
+ error (_("command can only be used with remote target"));
+
+ fd = remote_hostio_open (remote_file, FILEIO_O_RDONLY, 0, &remote_errno);
+ if (fd == -1)
+ remote_hostio_error (remote_errno);
+
+ file = fopen (local_file, "wb");
+ if (file == NULL)
+ perror_with_name (local_file);
+ back_to = make_cleanup (fclose_cleanup, file);
+
+ /* Send up to this many bytes at once. They won't all fit in the
+ remote packet limit, so we'll transfer slightly fewer. */
+ io_size = get_remote_packet_size ();
+ buffer = xmalloc (io_size);
+ make_cleanup (xfree, buffer);
+
+ close_cleanup = make_cleanup (remote_hostio_close_cleanup, &fd);
+
+ offset = 0;
+ while (1)
+ {
+ bytes = remote_hostio_pread (fd, buffer, io_size, offset, &remote_errno);
+ if (bytes == 0)
+ /* Success, but no bytes, means end-of-file. */
+ break;
+ if (bytes == -1)
+ remote_hostio_error (remote_errno);
+
+ offset += bytes;
+
+ bytes = fwrite (buffer, 1, bytes, file);
+ if (bytes == 0)
+ perror_with_name (local_file);
+ }
+
+ discard_cleanups (close_cleanup);
+ if (remote_hostio_close (fd, &remote_errno))
+ remote_hostio_error (remote_errno);
+
+ if (from_tty)
+ printf_filtered (_("Successfully fetched file \"%s\".\n"), remote_file);
+ do_cleanups (back_to);
+}
+
+void
+remote_file_delete (const char *remote_file, int from_tty)
+{
+ int retcode, remote_errno;
+
+ if (!remote_desc)
+ error (_("command can only be used with remote target"));
+
+ retcode = remote_hostio_unlink (remote_file, &remote_errno);
+ if (retcode == -1)
+ remote_hostio_error (remote_errno);
+
+ if (from_tty)
+ printf_filtered (_("Successfully deleted file \"%s\".\n"), remote_file);
+}
+
+static void
+remote_put_command (char *args, int from_tty)
+{
+ struct cleanup *back_to;
+ char **argv;
+
+ argv = buildargv (args);
+ if (argv == NULL)
+ nomem (0);
+ back_to = make_cleanup_freeargv (argv);
+ if (argv[0] == NULL || argv[1] == NULL || argv[2] != NULL)
+ error (_("Invalid parameters to remote put"));
+
+ remote_file_put (argv[0], argv[1], from_tty);
+
+ do_cleanups (back_to);
+}
+
+static void
+remote_get_command (char *args, int from_tty)
+{
+ struct cleanup *back_to;
+ char **argv;
+
+ argv = buildargv (args);
+ if (argv == NULL)
+ nomem (0);
+ back_to = make_cleanup_freeargv (argv);
+ if (argv[0] == NULL || argv[1] == NULL || argv[2] != NULL)
+ error (_("Invalid parameters to remote get"));
+
+ remote_file_get (argv[0], argv[1], from_tty);
+
+ do_cleanups (back_to);
+}
+
+static void
+remote_delete_command (char *args, int from_tty)
+{
+ struct cleanup *back_to;
+ char **argv;
+
+ argv = buildargv (args);
+ if (argv == NULL)
+ nomem (0);
+ back_to = make_cleanup_freeargv (argv);
+ if (argv[0] == NULL || argv[1] != NULL)
+ error (_("Invalid parameters to remote delete"));
+
+ remote_file_delete (argv[0], from_tty);
+
+ do_cleanups (back_to);
+}
+
+static void
+remote_command (char *args, int from_tty)
+{
+ help_list (remote_cmdlist, "remote ", -1, gdb_stdout);
+}
+
static void
init_remote_ops (void)
{
remote_ops.to_stop = remote_stop;
remote_ops.to_xfer_partial = remote_xfer_partial;
remote_ops.to_rcmd = remote_rcmd;
+ remote_ops.to_log_command = serial_log_command;
remote_ops.to_get_thread_local_address = remote_get_thread_local_address;
remote_ops.to_stratum = process_stratum;
remote_ops.to_has_all_memory = 1;
add_packet_config_cmd (&remote_protocol_packets[PACKET_qSupported],
"qSupported", "supported-packets", 0);
+ add_packet_config_cmd (&remote_protocol_packets[PACKET_vFile_open],
+ "vFile:open", "hostio-open", 0);
+
+ add_packet_config_cmd (&remote_protocol_packets[PACKET_vFile_pread],
+ "vFile:pread", "hostio-pread", 0);
+
+ add_packet_config_cmd (&remote_protocol_packets[PACKET_vFile_pwrite],
+ "vFile:pwrite", "hostio-pwrite", 0);
+
+ add_packet_config_cmd (&remote_protocol_packets[PACKET_vFile_close],
+ "vFile:close", "hostio-close", 0);
+
+ add_packet_config_cmd (&remote_protocol_packets[PACKET_vFile_unlink],
+ "vFile:unlink", "hostio-unlink", 0);
+
/* Keep the old ``set remote Z-packet ...'' working. Each individual
Z sub-packet has its own set and show commands, but users may
have sets to this variable in their .gdbinit files (or in their
show_remote_protocol_Z_packet_cmd, /* FIXME: i18n: Use of remote protocol `Z' packets is %s. */
&remote_set_cmdlist, &remote_show_cmdlist);
+ add_prefix_cmd ("remote", class_files, remote_command, _("\
+Manipulate files on the remote system\n\
+Transfer files to and from the remote target system."),
+ &remote_cmdlist, "remote ",
+ 0 /* allow-unknown */, &cmdlist);
+
+ add_cmd ("put", class_files, remote_put_command,
+ _("Copy a local file to the remote system."),
+ &remote_cmdlist);
+
+ add_cmd ("get", class_files, remote_get_command,
+ _("Copy a remote file to the local system."),
+ &remote_cmdlist);
+
+ add_cmd ("delete", class_files, remote_delete_command,
+ _("Delete a remote file."),
+ &remote_cmdlist);
+
/* Eventually initialize fileio. See fileio.c */
initialize_remote_fileio (remote_set_cmdlist, remote_show_cmdlist);
}
projects / deliverable / binutils-gdb.git / blobdiff