795 lines
19 KiB
C
795 lines
19 KiB
C
|
/* Remote target communications for serial-line targets in custom GDB protocol
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Copyright 1988, 1991, 1992 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., 675 Mass Ave, Cambridge, MA 02139, USA. */
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/* Remote communication protocol.
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All values are encoded in ascii hex digits.
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Request Packet
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read registers g
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reply XX....X Each byte of register data
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is described by two hex digits.
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Registers are in the internal order
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for GDB, and the bytes in a register
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are in the same order the machine uses.
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or ENN for an error.
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write regs GXX..XX Each byte of register data
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is described by two hex digits.
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reply OK for success
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ENN for an error
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read mem mAA..AA,LLLL AA..AA is address, LLLL is length.
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reply XX..XX XX..XX is mem contents
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or ENN NN is errno
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write mem MAA..AA,LLLL:XX..XX
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AA..AA is address,
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LLLL is number of bytes,
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XX..XX is data
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reply OK for success
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ENN for an error
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cont cAA..AA AA..AA is address to resume
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If AA..AA is omitted,
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resume at same address.
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step sAA..AA AA..AA is address to resume
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If AA..AA is omitted,
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resume at same address.
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last signal ? Reply the current reason for stopping.
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This is the same reply as is generated
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for step or cont : SAA where AA is the
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signal number.
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There is no immediate reply to step or cont.
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The reply comes when the machine stops.
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It is SAA AA is the "signal number"
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or... TAAPPPPPPPPFFFFFFFF
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where AA is the signal number,
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PPPPPPPP is the PC (PC_REGNUM), and
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FFFFFFFF is the frame ptr (FP_REGNUM).
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kill req k
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*/
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#include "defs.h"
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#include <string.h>
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#include "serial.h"
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#include "frame.h"
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#include "inferior.h"
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#include "target.h"
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#include "wait.h"
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#include "terminal.h"
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#include "gdbcmd.h"
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#include <signal.h>
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static int kiodebug = 0;
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static int timeout = 5;
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#define PBUFSIZ 1024
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/* Maximum number of bytes to read/write at once. The value here
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is chosen to fill up a packet (the headers account for the 32). */
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#define MAXBUFBYTES ((PBUFSIZ-32)/2)
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/* Round up PBUFSIZ to hold all the registers, at least. */
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#if REGISTER_BYTES > MAXBUFBYTES
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#undef PBUFSIZ
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#define PBUFSIZ (REGISTER_BYTES * 2 + 32)
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#endif
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/* remote_detach()
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takes a program previously attached to and detaches it.
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We better not have left any breakpoints
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in the program or it'll die when it hits one.
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Close the open connection to the remote debugger.
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Use this when you want to detach and do something else
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with your gdb. */
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static void
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remote_detach (args, from_tty)
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char *args;
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int from_tty;
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{
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if (args)
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error ("Argument given to \"detach\" when remotely debugging.");
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pop_target ();
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if (from_tty)
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printf ("Ending remote debugging.\n");
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}
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/* Convert hex digit A to a number. */
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static int
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fromhex (a)
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int a;
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{
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if (a >= '0' && a <= '9')
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return a - '0';
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else if (a >= 'a' && a <= 'f')
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return a - 'a' + 10;
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else
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error ("Reply contains invalid hex digit");
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return -1;
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}
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/* Convert number NIB to a hex digit. */
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static int
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tohex (nib)
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int nib;
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{
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if (nib < 10)
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return '0'+nib;
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else
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return 'a'+nib-10;
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}
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/* Tell the remote machine to resume. */
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/* Send a packet to the remote machine, with error checking.
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The data of the packet is in BUF. */
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static void
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putpkt (buf)
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char *buf;
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{
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int i;
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unsigned char csum = 0;
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char buf2[PBUFSIZ];
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int cnt = strlen (buf);
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char ch;
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char *p;
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/* Copy the packet into buffer BUF2, encapsulating it
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and giving it a checksum. */
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if (cnt > sizeof(buf2) - 5) /* Prosanity check */
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abort();
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p = buf2;
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*p++ = '$';
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for (i = 0; i < cnt; i++)
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|
{
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|||
|
csum += buf[i];
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*p++ = buf[i];
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}
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*p++ = '#';
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*p++ = tohex ((csum >> 4) & 0xf);
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*p++ = tohex (csum & 0xf);
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|||
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|||
|
/* Send it over and over until we get a positive ack. */
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|||
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|||
|
do {
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|||
|
if (kiodebug)
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|||
|
{
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|||
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*p = '\0';
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|||
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printf ("Sending packet: %s...", buf2); fflush(stdout);
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|
}
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serial_write (buf2, p - buf2);
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/* read until either a timeout occurs (\0) or '+' is read */
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do {
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ch = readchar ();
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if (kiodebug) {
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if (ch == '+')
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printf("Ack\n");
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else
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printf ("%02X%c ", ch&0xFF, ch);
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}
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} while ((ch != '+') && (ch != '\0'));
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} while (ch != '+');
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}
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/* Read a packet from the remote machine, with error checking,
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and store it in BUF. BUF is expected to be of size PBUFSIZ. */
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static void
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getpkt (buf)
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char *buf;
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{
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char *bp;
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unsigned char csum;
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int c;
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unsigned char c1, c2;
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while (1)
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{
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/* Force csum to be zero here because of possible error retry. */
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csum = 0;
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while ((c = readchar()) != '$');
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bp = buf;
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while (1)
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{
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c = readchar ();
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if (c == '#')
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break;
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if (bp >= buf+PBUFSIZ-1)
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{
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*bp = '\0';
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printf_filtered ("Remote packet too long: %s\n", buf);
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goto whole;
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}
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*bp++ = c;
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csum += c;
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}
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*bp = 0;
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c1 = fromhex (readchar ());
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c2 = fromhex (readchar ());
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if ((csum & 0xff) == (c1 << 4) + c2)
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break;
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printf_filtered ("Bad checksum, sentsum=0x%x, csum=0x%x, buf=%s\n",
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(c1 << 4) + c2, csum & 0xff, buf);
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/* Try the whole thing again. */
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whole:
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serial_write ("-", 1);
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}
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#if 0
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immediate_quit--;
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#endif
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serial_write ("+", 1);
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if (kiodebug)
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fprintf (stderr,"Packet received: %s\n", buf);
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}
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static void
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remote_resume (step, siggnal)
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int step, siggnal;
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{
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char buf[PBUFSIZ];
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if (siggnal)
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error ("Can't send signals to a remote system. Try `handle %d ignore'.",
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siggnal);
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#if 0
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dcache_flush ();
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#endif
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strcpy (buf, step ? "s": "c");
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putpkt (buf);
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}
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/* Send ^C to target to halt it. Target will respond, and send us a
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packet. */
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void remote_interrupt(signo)
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int signo;
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{
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if (kiodebug)
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printf ("remote_interrupt called\n");
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serial_write ("\003", 1); /* Send a ^C */
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}
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|
|||
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/* Wait until the remote machine stops, then return,
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storing status in STATUS just as `wait' would.
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Returns "pid" (though it's not clear what, if anything, that
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means in the case of this target). */
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static int
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remote_wait (status)
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WAITTYPE *status;
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{
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unsigned char buf[PBUFSIZ];
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void (*ofunc)();
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unsigned char *p;
|
|||
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int i;
|
|||
|
char regs[REGISTER_RAW_SIZE (PC_REGNUM) + REGISTER_RAW_SIZE (FP_REGNUM)];
|
|||
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|||
|
WSETEXIT ((*status), 0);
|
|||
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|
|||
|
ofunc = (void (*)()) signal (SIGINT, remote_interrupt);
|
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getpkt ((char *) buf);
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signal (SIGINT, ofunc);
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|
|||
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if (buf[0] == 'E')
|
|||
|
error ("Remote failure reply: %s", buf);
|
|||
|
if (buf[0] == 'T')
|
|||
|
{
|
|||
|
/* Expedited reply, containing Signal, PC, and FP. */
|
|||
|
p = &buf[3]; /* after Txx */
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|||
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for (i = 0; i < sizeof (regs); i++)
|
|||
|
{
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|||
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if (p[0] == 0 || p[1] == 0)
|
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error ("Remote reply is too short: %s", buf);
|
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|
regs[i] = fromhex (p[0]) * 16 + fromhex (p[1]);
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p += 2;
|
|||
|
}
|
|||
|
supply_register (PC_REGNUM, ®s[0]);
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|||
|
supply_register (FP_REGNUM, ®s[REGISTER_RAW_SIZE (PC_REGNUM)]);
|
|||
|
}
|
|||
|
else if (buf[0] != 'S')
|
|||
|
error ("Invalid remote reply: %s", buf);
|
|||
|
|
|||
|
WSETSTOP ((*status), (((fromhex (buf[1])) << 4) + (fromhex (buf[2]))));
|
|||
|
|
|||
|
return 0;
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|||
|
}
|
|||
|
|
|||
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/* Send the command in BUF to the remote machine,
|
|||
|
and read the reply into BUF.
|
|||
|
Report an error if we get an error reply. */
|
|||
|
|
|||
|
static void
|
|||
|
remote_send (buf)
|
|||
|
char *buf;
|
|||
|
{
|
|||
|
|
|||
|
putpkt (buf);
|
|||
|
getpkt (buf);
|
|||
|
|
|||
|
if (buf[0] == 'E')
|
|||
|
error ("Remote failure reply: %s", buf);
|
|||
|
}
|
|||
|
|
|||
|
/* Read the remote registers into the block REGS. */
|
|||
|
/* Currently we just read all the registers, so we don't use regno. */
|
|||
|
/* ARGSUSED */
|
|||
|
static void
|
|||
|
remote_fetch_registers (regno)
|
|||
|
int regno;
|
|||
|
{
|
|||
|
char buf[PBUFSIZ];
|
|||
|
int i;
|
|||
|
char *p;
|
|||
|
char regs[REGISTER_BYTES];
|
|||
|
|
|||
|
sprintf (buf, "g");
|
|||
|
remote_send (buf);
|
|||
|
|
|||
|
/* Reply describes registers byte by byte, each byte encoded as two
|
|||
|
hex characters. Suck them all up, then supply them to the
|
|||
|
register cacheing/storage mechanism. */
|
|||
|
|
|||
|
p = buf;
|
|||
|
for (i = 0; i < REGISTER_BYTES; i++)
|
|||
|
{
|
|||
|
if (p[0] == 0 || p[1] == 0)
|
|||
|
error ("Remote reply is too short: %s", buf);
|
|||
|
regs[i] = fromhex (p[0]) * 16 + fromhex (p[1]);
|
|||
|
p += 2;
|
|||
|
}
|
|||
|
for (i = 0; i < NUM_REGS; i++)
|
|||
|
supply_register (i, ®s[REGISTER_BYTE(i)]);
|
|||
|
}
|
|||
|
|
|||
|
/* Prepare to store registers. Since we send them all, we have to
|
|||
|
read out the ones we don't want to change first. */
|
|||
|
|
|||
|
static void
|
|||
|
remote_prepare_to_store ()
|
|||
|
{
|
|||
|
remote_fetch_registers (-1);
|
|||
|
}
|
|||
|
|
|||
|
/* Store the remote registers from the contents of the block REGISTERS.
|
|||
|
FIXME, eventually just store one register if that's all that is needed. */
|
|||
|
|
|||
|
/* ARGSUSED */
|
|||
|
static void
|
|||
|
remote_store_registers (regno)
|
|||
|
int regno;
|
|||
|
{
|
|||
|
char buf[PBUFSIZ];
|
|||
|
int i;
|
|||
|
char *p;
|
|||
|
|
|||
|
buf[0] = 'G';
|
|||
|
|
|||
|
/* Command describes registers byte by byte,
|
|||
|
each byte encoded as two hex characters. */
|
|||
|
|
|||
|
p = buf + 1;
|
|||
|
for (i = 0; i < REGISTER_BYTES; i++)
|
|||
|
{
|
|||
|
*p++ = tohex ((registers[i] >> 4) & 0xf);
|
|||
|
*p++ = tohex (registers[i] & 0xf);
|
|||
|
}
|
|||
|
*p = '\0';
|
|||
|
|
|||
|
remote_send (buf);
|
|||
|
}
|
|||
|
|
|||
|
|
|||
|
/* Write memory data directly to the remote machine.
|
|||
|
This does not inform the data cache; the data cache uses this.
|
|||
|
MEMADDR is the address in the remote memory space.
|
|||
|
MYADDR is the address of the buffer in our space.
|
|||
|
LEN is the number of bytes. */
|
|||
|
|
|||
|
static void
|
|||
|
remote_write_bytes (memaddr, myaddr, len)
|
|||
|
CORE_ADDR memaddr;
|
|||
|
char *myaddr;
|
|||
|
int len;
|
|||
|
{
|
|||
|
char buf[PBUFSIZ];
|
|||
|
int i;
|
|||
|
char *p;
|
|||
|
|
|||
|
if (len > PBUFSIZ / 2 - 20)
|
|||
|
abort ();
|
|||
|
|
|||
|
sprintf (buf, "M%x,%x:", memaddr, len);
|
|||
|
|
|||
|
/* We send target system values byte by byte, in increasing byte addresses,
|
|||
|
each byte encoded as two hex characters. */
|
|||
|
|
|||
|
p = buf + strlen (buf);
|
|||
|
for (i = 0; i < len; i++)
|
|||
|
{
|
|||
|
*p++ = tohex ((myaddr[i] >> 4) & 0xf);
|
|||
|
*p++ = tohex (myaddr[i] & 0xf);
|
|||
|
}
|
|||
|
*p = '\0';
|
|||
|
|
|||
|
remote_send (buf);
|
|||
|
}
|
|||
|
|
|||
|
/* Read memory data directly from the remote machine.
|
|||
|
This does not use the data cache; the data cache uses this.
|
|||
|
MEMADDR is the address in the remote memory space.
|
|||
|
MYADDR is the address of the buffer in our space.
|
|||
|
LEN is the number of bytes. */
|
|||
|
|
|||
|
static void
|
|||
|
remote_read_bytes (memaddr, myaddr, len)
|
|||
|
CORE_ADDR memaddr;
|
|||
|
char *myaddr;
|
|||
|
int len;
|
|||
|
{
|
|||
|
char buf[PBUFSIZ];
|
|||
|
int i;
|
|||
|
char *p;
|
|||
|
|
|||
|
if (len > PBUFSIZ / 2 - 1)
|
|||
|
abort ();
|
|||
|
|
|||
|
sprintf (buf, "m%x,%x", memaddr, len);
|
|||
|
remote_send (buf);
|
|||
|
|
|||
|
/* Reply describes memory byte by byte,
|
|||
|
each byte encoded as two hex characters. */
|
|||
|
|
|||
|
p = buf;
|
|||
|
for (i = 0; i < len; i++)
|
|||
|
{
|
|||
|
if (p[0] == 0 || p[1] == 0)
|
|||
|
error ("Remote reply is too short: %s", buf);
|
|||
|
myaddr[i] = fromhex (p[0]) * 16 + fromhex (p[1]);
|
|||
|
p += 2;
|
|||
|
}
|
|||
|
}
|
|||
|
|
|||
|
/* Read or write LEN bytes from inferior memory at MEMADDR, transferring
|
|||
|
to or from debugger address MYADDR. Write to inferior if SHOULD_WRITE is
|
|||
|
nonzero. Returns length of data written or read; 0 for error. */
|
|||
|
|
|||
|
/* ARGSUSED */
|
|||
|
static int
|
|||
|
remote_xfer_memory(memaddr, myaddr, len, should_write, target)
|
|||
|
CORE_ADDR memaddr;
|
|||
|
char *myaddr;
|
|||
|
int len;
|
|||
|
int should_write;
|
|||
|
struct target_ops *target; /* ignored */
|
|||
|
{
|
|||
|
int origlen = len;
|
|||
|
int xfersize;
|
|||
|
while (len > 0)
|
|||
|
{
|
|||
|
if (len > MAXBUFBYTES)
|
|||
|
xfersize = MAXBUFBYTES;
|
|||
|
else
|
|||
|
xfersize = len;
|
|||
|
|
|||
|
if (should_write)
|
|||
|
remote_write_bytes(memaddr, myaddr, xfersize);
|
|||
|
else
|
|||
|
remote_read_bytes (memaddr, myaddr, xfersize);
|
|||
|
memaddr += xfersize;
|
|||
|
myaddr += xfersize;
|
|||
|
len -= xfersize;
|
|||
|
}
|
|||
|
return origlen; /* no error possible */
|
|||
|
}
|
|||
|
|
|||
|
static void
|
|||
|
remote_files_info (ignore)
|
|||
|
struct target_ops *ignore;
|
|||
|
{
|
|||
|
printf ("Debugging a target over a serial line.\n");
|
|||
|
}
|
|||
|
|
|||
|
/*
|
|||
|
|
|||
|
A debug packet whose contents are <data>
|
|||
|
is encapsulated for transmission in the form:
|
|||
|
|
|||
|
$ <data> # CSUM1 CSUM2
|
|||
|
|
|||
|
<data> must be ASCII alphanumeric and cannot include characters
|
|||
|
'$' or '#'
|
|||
|
|
|||
|
CSUM1 and CSUM2 are ascii hex representation of an 8-bit
|
|||
|
checksum of <data>, the most significant nibble is sent first.
|
|||
|
the hex digits 0-9,a-f are used.
|
|||
|
|
|||
|
Receiver responds with:
|
|||
|
|
|||
|
+ - if CSUM is correct and ready for next packet
|
|||
|
- - if CSUM is incorrect
|
|||
|
|
|||
|
*/
|
|||
|
|
|||
|
/* Read a single character from the remote end.
|
|||
|
(If supported, we actually read many characters and buffer them up.) */
|
|||
|
|
|||
|
static int
|
|||
|
readchar ()
|
|||
|
{
|
|||
|
static int inbuf_index, inbuf_count;
|
|||
|
#define INBUFSIZE PBUFSIZ
|
|||
|
static char inbuf[INBUFSIZE];
|
|||
|
|
|||
|
if (inbuf_index >= inbuf_count)
|
|||
|
{
|
|||
|
/* Time to do another read... */
|
|||
|
inbuf_index = 0;
|
|||
|
inbuf_count = 0;
|
|||
|
inbuf[0] = 0; /* Just in case */
|
|||
|
if ((inbuf[inbuf_index] = serial_readchar (timeout)) < 0)
|
|||
|
inbuf_count = -1;
|
|||
|
else
|
|||
|
inbuf_count = 1;
|
|||
|
}
|
|||
|
|
|||
|
/* Just return the next character from the buffer. */
|
|||
|
return inbuf[inbuf_index++] & 0x7f;
|
|||
|
}
|
|||
|
|
|||
|
|
|||
|
|
|||
|
/* The data cache leads to incorrect results because it doesn't know about
|
|||
|
volatile variables, thus making it impossible to debug functions which
|
|||
|
use hardware registers. Therefore it is #if 0'd out. Effect on
|
|||
|
performance is some, for backtraces of functions with a few
|
|||
|
arguments each. For functions with many arguments, the stack
|
|||
|
frames don't fit in the cache blocks, which makes the cache less
|
|||
|
helpful. Disabling the cache is a big performance win for fetching
|
|||
|
large structures, because the cache code fetched data in 16-byte
|
|||
|
chunks. */
|
|||
|
#if 0
|
|||
|
/* The data cache records all the data read from the remote machine
|
|||
|
since the last time it stopped.
|
|||
|
|
|||
|
Each cache block holds 16 bytes of data
|
|||
|
starting at a multiple-of-16 address. */
|
|||
|
|
|||
|
#define DCACHE_SIZE 64 /* Number of cache blocks */
|
|||
|
|
|||
|
struct dcache_block {
|
|||
|
struct dcache_block *next, *last;
|
|||
|
unsigned int addr; /* Address for which data is recorded. */
|
|||
|
int data[4];
|
|||
|
};
|
|||
|
|
|||
|
struct dcache_block dcache_free, dcache_valid;
|
|||
|
|
|||
|
/* Free all the data cache blocks, thus discarding all cached data. */
|
|||
|
|
|||
|
static void
|
|||
|
dcache_flush ()
|
|||
|
{
|
|||
|
register struct dcache_block *db;
|
|||
|
|
|||
|
while ((db = dcache_valid.next) != &dcache_valid)
|
|||
|
{
|
|||
|
remque (db);
|
|||
|
insque (db, &dcache_free);
|
|||
|
}
|
|||
|
}
|
|||
|
|
|||
|
/*
|
|||
|
* If addr is present in the dcache, return the address of the block
|
|||
|
* containing it.
|
|||
|
*/
|
|||
|
|
|||
|
struct dcache_block *
|
|||
|
dcache_hit (addr)
|
|||
|
{
|
|||
|
register struct dcache_block *db;
|
|||
|
|
|||
|
if (addr & 3)
|
|||
|
abort ();
|
|||
|
|
|||
|
/* Search all cache blocks for one that is at this address. */
|
|||
|
db = dcache_valid.next;
|
|||
|
while (db != &dcache_valid)
|
|||
|
{
|
|||
|
if ((addr & 0xfffffff0) == db->addr)
|
|||
|
return db;
|
|||
|
db = db->next;
|
|||
|
}
|
|||
|
return NULL;
|
|||
|
}
|
|||
|
|
|||
|
/* Return the int data at address ADDR in dcache block DC. */
|
|||
|
|
|||
|
int
|
|||
|
dcache_value (db, addr)
|
|||
|
struct dcache_block *db;
|
|||
|
unsigned int addr;
|
|||
|
{
|
|||
|
if (addr & 3)
|
|||
|
abort ();
|
|||
|
return (db->data[(addr>>2)&3]);
|
|||
|
}
|
|||
|
|
|||
|
/* Get a free cache block, put it on the valid list,
|
|||
|
and return its address. The caller should store into the block
|
|||
|
the address and data that it describes. */
|
|||
|
|
|||
|
struct dcache_block *
|
|||
|
dcache_alloc ()
|
|||
|
{
|
|||
|
register struct dcache_block *db;
|
|||
|
|
|||
|
if ((db = dcache_free.next) == &dcache_free)
|
|||
|
/* If we can't get one from the free list, take last valid */
|
|||
|
db = dcache_valid.last;
|
|||
|
|
|||
|
remque (db);
|
|||
|
insque (db, &dcache_valid);
|
|||
|
return (db);
|
|||
|
}
|
|||
|
|
|||
|
/* Return the contents of the word at address ADDR in the remote machine,
|
|||
|
using the data cache. */
|
|||
|
|
|||
|
int
|
|||
|
dcache_fetch (addr)
|
|||
|
CORE_ADDR addr;
|
|||
|
{
|
|||
|
register struct dcache_block *db;
|
|||
|
|
|||
|
db = dcache_hit (addr);
|
|||
|
if (db == 0)
|
|||
|
{
|
|||
|
db = dcache_alloc ();
|
|||
|
remote_read_bytes (addr & ~0xf, db->data, 16);
|
|||
|
db->addr = addr & ~0xf;
|
|||
|
}
|
|||
|
return (dcache_value (db, addr));
|
|||
|
}
|
|||
|
|
|||
|
/* Write the word at ADDR both in the data cache and in the remote machine. */
|
|||
|
|
|||
|
dcache_poke (addr, data)
|
|||
|
CORE_ADDR addr;
|
|||
|
int data;
|
|||
|
{
|
|||
|
register struct dcache_block *db;
|
|||
|
|
|||
|
/* First make sure the word is IN the cache. DB is its cache block. */
|
|||
|
db = dcache_hit (addr);
|
|||
|
if (db == 0)
|
|||
|
{
|
|||
|
db = dcache_alloc ();
|
|||
|
remote_read_bytes (addr & ~0xf, db->data, 16);
|
|||
|
db->addr = addr & ~0xf;
|
|||
|
}
|
|||
|
|
|||
|
/* Modify the word in the cache. */
|
|||
|
db->data[(addr>>2)&3] = data;
|
|||
|
|
|||
|
/* Send the changed word. */
|
|||
|
remote_write_bytes (addr, &data, 4);
|
|||
|
}
|
|||
|
|
|||
|
/* Initialize the data cache. */
|
|||
|
|
|||
|
dcache_init ()
|
|||
|
{
|
|||
|
register i;
|
|||
|
register struct dcache_block *db;
|
|||
|
|
|||
|
db = (struct dcache_block *) xmalloc (sizeof (struct dcache_block) *
|
|||
|
DCACHE_SIZE);
|
|||
|
dcache_free.next = dcache_free.last = &dcache_free;
|
|||
|
dcache_valid.next = dcache_valid.last = &dcache_valid;
|
|||
|
for (i=0;i<DCACHE_SIZE;i++,db++)
|
|||
|
insque (db, &dcache_free);
|
|||
|
}
|
|||
|
#endif /* 0 */
|
|||
|
|
|||
|
/* Define the target subroutine names */
|
|||
|
|
|||
|
struct target_ops remote_ops = {
|
|||
|
"remote-ser", /* to_shortname */
|
|||
|
"Remote serial target in gdb-specific protocol with serial-packaging routines", /* to_longname */
|
|||
|
"Use a remote computer via a serial line, using a gdb-specific protocol.\n\
|
|||
|
Specify the serial device it is connected to (e.g. /dev/ttya).", /* to_doc */
|
|||
|
serial_open, /* to_open */
|
|||
|
serial_close, /* to_close */
|
|||
|
NULL, /* to_attach */
|
|||
|
remote_detach, /* to_detach */
|
|||
|
remote_resume, /* to_resume */
|
|||
|
remote_wait, /* to_wait */
|
|||
|
remote_fetch_registers, /* to_fetch_registers */
|
|||
|
remote_store_registers, /* to_store_registers */
|
|||
|
remote_prepare_to_store, /* to_prepare_to_store */
|
|||
|
NULL, /* to_convert_to_virtual */
|
|||
|
NULL, /* to_convert_from_virtual */
|
|||
|
remote_xfer_memory, /* to_xfer_memory */
|
|||
|
remote_files_info, /* to_files_info */
|
|||
|
NULL, /* to_insert_breakpoint */
|
|||
|
NULL, /* to_remove_breakpoint */
|
|||
|
NULL, /* to_terminal_init */
|
|||
|
NULL, /* to_terminal_inferior */
|
|||
|
NULL, /* to_terminal_ours_for_output */
|
|||
|
NULL, /* to_terminal_ours */
|
|||
|
NULL, /* to_terminal_info */
|
|||
|
NULL, /* to_kill */
|
|||
|
NULL, /* to_load */
|
|||
|
NULL, /* to_lookup_symbol */
|
|||
|
NULL, /* to_create_inferior */
|
|||
|
NULL, /* to_mourn_inferior */
|
|||
|
process_stratum, /* to_stratum */
|
|||
|
NULL, /* to_next */
|
|||
|
1, /* to_has_all_memory */
|
|||
|
1, /* to_has_memory */
|
|||
|
1, /* to_has_stack */
|
|||
|
1, /* to_has_registers */
|
|||
|
1, /* to_has_execution */
|
|||
|
NULL, /* sections */
|
|||
|
NULL, /* sections_end */
|
|||
|
OPS_MAGIC /* to_magic */
|
|||
|
};
|
|||
|
|
|||
|
void
|
|||
|
_initialize_remote ()
|
|||
|
{
|
|||
|
add_target (&remote_ops);
|
|||
|
|
|||
|
add_show_from_set (
|
|||
|
add_set_cmd ("remotedebug", no_class, var_boolean, (char *)&kiodebug,
|
|||
|
"Set debugging of remote serial I/O.\n\
|
|||
|
When enabled, each packet sent or received with the remote target\n\
|
|||
|
is displayed.", &setlist),
|
|||
|
&showlist);
|
|||
|
}
|
|||
|
|