/* Remote target communications for serial-line targets using SDS' protocol.
- Copyright 1997 Free Software Foundation, Inc.
-This file is part of GDB.
+ Copyright 1997, 1998, 1999, 2000, 2001, 2002, 2004 Free Software
+ Foundation, Inc.
-This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
+ This file is part of GDB.
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
/* This interface was written by studying the behavior of the SDS
monitor on an ADS 821/860 board, and by consulting the
#include "bfd.h"
#include "symfile.h"
#include "target.h"
-#include "wait.h"
#include "gdbcmd.h"
#include "objfiles.h"
#include "gdb-stabs.h"
#include "gdbthread.h"
#include "gdbcore.h"
-#include "dcache.h"
+#include "regcache.h"
#ifdef USG
#include <sys/types.h>
#include <signal.h>
#include "serial.h"
+extern void _initialize_remote_sds (void);
+
/* Declarations of local functions. */
-static int sds_write_bytes PARAMS ((CORE_ADDR, char *, int));
+static int sds_write_bytes (CORE_ADDR, char *, int);
-static int sds_read_bytes PARAMS ((CORE_ADDR, char *, int));
+static int sds_read_bytes (CORE_ADDR, char *, int);
-static void sds_files_info PARAMS ((struct target_ops *ignore));
+static void sds_files_info (struct target_ops *ignore);
-static int sds_xfer_memory PARAMS ((CORE_ADDR, char *,
- int, int, struct target_ops *));
+static int sds_xfer_memory (CORE_ADDR, char *, int, int,
+ struct mem_attrib *, struct target_ops *);
-static void sds_prepare_to_store PARAMS ((void));
+static void sds_prepare_to_store (void);
-static void sds_fetch_registers PARAMS ((int));
+static void sds_fetch_registers (int);
-static void sds_resume PARAMS ((int, int, enum target_signal));
+static void sds_resume (ptid_t, int, enum target_signal);
-static int sds_start_remote PARAMS ((char *));
+static int sds_start_remote (void *);
-static void sds_open PARAMS ((char *, int));
+static void sds_open (char *, int);
-static void sds_close PARAMS ((int));
+static void sds_close (int);
-static void sds_store_registers PARAMS ((int));
+static void sds_store_registers (int);
-static void sds_mourn PARAMS ((void));
+static void sds_mourn (void);
-static void sds_create_inferior PARAMS ((char *, char *, char **));
+static void sds_load (char *, int);
-static void sds_load PARAMS ((char *, int));
+static int getmessage (unsigned char *, int);
-static int getmessage PARAMS ((unsigned char *, int));
+static int putmessage (unsigned char *, int);
-static int putmessage PARAMS ((unsigned char *, int));
+static int sds_send (unsigned char *, int);
-static int sds_send PARAMS ((unsigned char *, int));
+static int readchar (int);
-static int readchar PARAMS ((int));
+static ptid_t sds_wait (ptid_t, struct target_waitstatus *);
-static int sds_wait PARAMS ((int, struct target_waitstatus *));
+static void sds_kill (void);
-static void sds_kill PARAMS ((void));
+static int fromhex (int);
-static int tohex PARAMS ((int));
+static void sds_detach (char *, int);
-static int fromhex PARAMS ((int));
+static void sds_interrupt (int);
-static void sds_detach PARAMS ((char *, int));
+static void sds_interrupt_twice (int);
-static void sds_interrupt PARAMS ((int));
+static void interrupt_query (void);
-static void sds_interrupt_twice PARAMS ((int));
+static int read_frame (char *);
-static void interrupt_query PARAMS ((void));
+static int sds_insert_breakpoint (CORE_ADDR, char *);
-static int read_frame PARAMS ((char *));
+static int sds_remove_breakpoint (CORE_ADDR, char *);
-static int sds_insert_breakpoint PARAMS ((CORE_ADDR, char *));
+static void init_sds_ops (void);
-static int sds_remove_breakpoint PARAMS ((CORE_ADDR, char *));
+static void sds_command (char *args, int from_tty);
+/* Define the target operations vector. */
-static struct target_ops sds_ops; /* Forward decl */
+static struct target_ops sds_ops;
/* This was 5 seconds, which is a long time to sit and wait.
Unless this is going though some terminal server or multiplexer or
other form of hairy serial connection, I would think 2 seconds would
be plenty. */
-/* Changed to allow option to set timeout value.
- was static int sds_timeout = 2; */
static int sds_timeout = 2;
/* Descriptor for I/O to remote machine. Initialize it to NULL so
that sds_open knows that we don't have a file open when the program
starts. */
-static serial_t sds_desc = NULL;
+static struct serial *sds_desc = NULL;
/* This limit comes from the monitor. */
static int just_started;
static int message_pending;
-
\f
+
/* Clean up connection to a remote debugger. */
-/* ARGSUSED */
static void
-sds_close (quitting)
- int quitting;
+sds_close (int quitting)
{
if (sds_desc)
- SERIAL_CLOSE (sds_desc);
+ serial_close (sds_desc);
sds_desc = NULL;
}
/* Stub for catch_errors. */
static int
-sds_start_remote (dummy)
- char *dummy;
+sds_start_remote (void *dummy)
{
- char c;
+ int c;
unsigned char buf[200];
- immediate_quit = 1; /* Allow user to interrupt it */
+ immediate_quit++; /* Allow user to interrupt it */
/* Ack any packet which the remote side has already sent. */
- SERIAL_WRITE (sds_desc, "{#*\r\n", 5);
- SERIAL_WRITE (sds_desc, "{#}\r\n", 5);
+ serial_write (sds_desc, "{#*\r\n", 5);
+ serial_write (sds_desc, "{#}\r\n", 5);
while ((c = readchar (1)) >= 0)
- printf_unfiltered ("%c");
+ printf_unfiltered ("%c", c);
printf_unfiltered ("\n");
next_msg_id = 251;
buf[0] = 0;
sds_send (buf, 1);
- immediate_quit = 0;
+ immediate_quit--;
start_remote (); /* Initialize gdb process mechanisms */
return 1;
/* Open a connection to a remote debugger.
NAME is the filename used for communication. */
-static DCACHE *sds_dcache;
-
static void
-sds_open (name, from_tty)
- char *name;
- int from_tty;
+sds_open (char *name, int from_tty)
{
if (name == 0)
error ("To open a remote debug connection, you need to specify what serial\n\
unpush_target (&sds_ops);
- sds_dcache = dcache_init (sds_read_bytes, sds_write_bytes);
-
- sds_desc = SERIAL_OPEN (name);
+ sds_desc = serial_open (name);
if (!sds_desc)
perror_with_name (name);
if (baud_rate != -1)
{
- if (SERIAL_SETBAUDRATE (sds_desc, baud_rate))
+ if (serial_setbaudrate (sds_desc, baud_rate))
{
- SERIAL_CLOSE (sds_desc);
+ serial_close (sds_desc);
perror_with_name (name);
}
}
- SERIAL_RAW (sds_desc);
+ serial_raw (sds_desc);
/* If there is something sitting in the buffer we might take it as a
response to a command, which would be bad. */
- SERIAL_FLUSH_INPUT (sds_desc);
+ serial_flush_input (sds_desc);
if (from_tty)
{
/* Start the remote connection; if error (0), discard this target.
In particular, if the user quits, be sure to discard it (we'd be
in an inconsistent state otherwise). */
- if (!catch_errors (sds_start_remote, (char *)0,
+ if (!catch_errors (sds_start_remote, NULL,
"Couldn't establish connection to remote target\n",
RETURN_MASK_ALL))
pop_target ();
die when it hits one. */
static void
-sds_detach (args, from_tty)
- char *args;
- int from_tty;
+sds_detach (char *args, int from_tty)
{
char buf[PBUFSIZ];
/* Convert hex digit A to a number. */
static int
-fromhex (a)
- int a;
+fromhex (int a)
{
if (a >= '0' && a <= '9')
return a - '0';
else if (a >= 'a' && a <= 'f')
return a - 'a' + 10;
- else
- error ("Reply contains invalid hex digit %d", a);
-}
-
-/* Convert number NIB to a hex digit. */
-
-static int
-tohex (nib)
- int nib;
-{
- if (nib < 10)
- return '0'+nib;
else
- return 'a'+nib-10;
+ error ("Reply contains invalid hex digit %d", a);
}
static int
-tob64 (inbuf, outbuf, len)
- unsigned char *inbuf;
- char *outbuf;
- int len;
+tob64 (unsigned char *inbuf, char *outbuf, int len)
{
int i, sum;
char *p;
{
/* Collect the next three bytes into a number. */
sum = ((long) *inbuf++) << 16;
- sum |= ((long) *inbuf++) << 8;
+ sum |= ((long) *inbuf++) << 8;
sum |= ((long) *inbuf++);
/* Spit out 4 6-bit encodings. */
*p++ = ((sum >> 18) & 0x3f) + '0';
*p++ = ((sum >> 12) & 0x3f) + '0';
- *p++ = ((sum >> 6) & 0x3f) + '0';
+ *p++ = ((sum >> 6) & 0x3f) + '0';
*p++ = (sum & 0x3f) + '0';
}
return (p - outbuf);
}
static int
-fromb64 (inbuf, outbuf, len)
- char *inbuf, *outbuf;
- int len;
+fromb64 (char *inbuf, char *outbuf, int len)
{
int i, sum;
for (i = 0; i < len; i += 4)
{
/* Collect 4 6-bit digits. */
- sum = (*inbuf++ - '0') << 18;
+ sum = (*inbuf++ - '0') << 18;
sum |= (*inbuf++ - '0') << 12;
- sum |= (*inbuf++ - '0') << 6;
+ sum |= (*inbuf++ - '0') << 6;
sum |= (*inbuf++ - '0');
/* Now take the resulting 24-bit number and get three bytes out
of it. */
*outbuf++ = (sum >> 16) & 0xff;
- *outbuf++ = (sum >> 8) & 0xff;
+ *outbuf++ = (sum >> 8) & 0xff;
*outbuf++ = sum & 0xff;
}
return (len / 4) * 3;
}
-
\f
+
/* Tell the remote machine to resume. */
static enum target_signal last_sent_signal = TARGET_SIGNAL_0;
int last_sent_step;
static void
-sds_resume (pid, step, siggnal)
- int pid, step;
- enum target_signal siggnal;
+sds_resume (ptid_t ptid, int step, enum target_signal siggnal)
{
unsigned char buf[PBUFSIZ];
- dcache_flush (sds_dcache);
-
last_sent_signal = siggnal;
last_sent_step = step;
buf[0] = (step ? 21 : 20);
- buf[1] = 0; /* (should be signal?) */
+ buf[1] = 0; /* (should be signal?) */
sds_send (buf, 2);
}
us a message pending notice. */
static void
-sds_interrupt (signo)
- int signo;
+sds_interrupt (int signo)
{
unsigned char buf[PBUFSIZ];
/* If this doesn't work, try more severe steps. */
signal (signo, sds_interrupt_twice);
-
+
if (remote_debug)
- printf_unfiltered ("sds_interrupt called\n");
+ fprintf_unfiltered (gdb_stdlog, "sds_interrupt called\n");
buf[0] = 25;
sds_send (buf, 1);
}
-static void (*ofunc)();
+static void (*ofunc) ();
/* The user typed ^C twice. */
static void
-sds_interrupt_twice (signo)
- int signo;
+sds_interrupt_twice (int signo)
{
signal (signo, ofunc);
-
+
interrupt_query ();
signal (signo, sds_interrupt);
/* Ask the user what to do when an interrupt is received. */
static void
-interrupt_query ()
+interrupt_query (void)
{
target_terminal_ours ();
Give up (and stop debugging it)? "))
{
target_mourn_inferior ();
- return_to_top_level (RETURN_QUIT);
+ throw_exception (RETURN_QUIT);
}
target_terminal_inferior ();
STATUS just as `wait' would. Returns "pid" (though it's not clear
what, if anything, that means in the case of this target). */
-static int
-sds_wait (pid, status)
- int pid;
- struct target_waitstatus *status;
+static ptid_t
+sds_wait (ptid_t ptid, struct target_waitstatus *status)
{
unsigned char buf[PBUFSIZ];
int retlen;
{
just_started = 0;
status->kind = TARGET_WAITKIND_STOPPED;
- return inferior_pid;
+ return inferior_ptid;
}
while (1)
retlen = sds_send (buf, 1);
if (remote_debug)
{
- fprintf_unfiltered (gdb_stderr, "Signals: %04x %02x %02x\n",
- ((int) buf[0]) << 8 + buf[1],
+ fprintf_unfiltered (gdb_stdlog, "Signals: %02x%02x %02x %02x\n",
+ buf[0], buf[1],
buf[2], buf[3]);
}
message_pending = 0;
goto got_status;
}
}
- got_status:
- return inferior_pid;
+got_status:
+ return inferior_ptid;
}
static unsigned char sprs[16];
/* Read the remote registers into the block REGS. */
/* Currently we just read all the registers, so we don't use regno. */
-/* ARGSUSED */
static void
-sds_fetch_registers (regno)
- int regno;
+sds_fetch_registers (int regno)
{
unsigned char buf[PBUFSIZ];
int i, retlen;
- char *p;
- char regs[REGISTER_BYTES];
+ char *regs = alloca (deprecated_register_bytes ());
/* Unimplemented registers read as all bits zero. */
- memset (regs, 0, REGISTER_BYTES);
+ memset (regs, 0, deprecated_register_bytes ());
buf[0] = 18;
buf[1] = 1;
/* (should warn about reply too short) */
for (i = 0; i < NUM_REGS; i++)
- supply_register (i, ®s[REGISTER_BYTE(i)]);
+ regcache_raw_supply (current_regcache, i,
+ ®s[DEPRECATED_REGISTER_BYTE (i)]);
}
/* Prepare to store registers. Since we may send them all, we have to
read out the ones we don't want to change first. */
-static void
-sds_prepare_to_store ()
+static void
+sds_prepare_to_store (void)
{
/* Make sure the entire registers array is valid. */
- read_register_bytes (0, (char *)NULL, REGISTER_BYTES);
+ deprecated_read_register_bytes (0, (char *) NULL, deprecated_register_bytes ());
}
/* Store register REGNO, or all registers if REGNO == -1, from the contents
of REGISTERS. FIXME: ignores errors. */
static void
-sds_store_registers (regno)
- int regno;
+sds_store_registers (int regno)
{
unsigned char *p, buf[PBUFSIZ];
int i;
*p++ = 0;
*p++ = 0;
for (i = 0; i < 4 * 6; i++)
- *p++ = registers[i + 4 * 32 + 8 * 32];
+ *p++ = deprecated_registers[i + 4 * 32 + 8 * 32];
for (i = 0; i < 4 * 1; i++)
*p++ = 0;
for (i = 0; i < 4 * 4; i++)
*p++ = 0;
*p++ = 0;
for (i = 0; i < 4 * 32; i++)
- *p++ = registers[i];
+ *p++ = deprecated_registers[i];
sds_send (buf, p - buf);
Returns number of bytes transferred, or 0 for error. */
static int
-sds_write_bytes (memaddr, myaddr, len)
- CORE_ADDR memaddr;
- char *myaddr;
- int len;
+sds_write_bytes (CORE_ADDR memaddr, char *myaddr, int len)
{
int max_buf_size; /* Max size of packet output buffer */
int origlen;
buf[1] = 0;
buf[2] = (int) (memaddr >> 24) & 0xff;
buf[3] = (int) (memaddr >> 16) & 0xff;
- buf[4] = (int) (memaddr >> 8) & 0xff;
- buf[5] = (int) (memaddr ) & 0xff;
+ buf[4] = (int) (memaddr >> 8) & 0xff;
+ buf[5] = (int) (memaddr) & 0xff;
buf[6] = 1;
buf[7] = 0;
Returns number of bytes transferred, or 0 for error. */
static int
-sds_read_bytes (memaddr, myaddr, len)
- CORE_ADDR memaddr;
- char *myaddr;
- int len;
+sds_read_bytes (CORE_ADDR memaddr, char *myaddr, int len)
{
int max_buf_size; /* Max size of packet output buffer */
int origlen, retlen;
buf[1] = 0;
buf[2] = (int) (memaddr >> 24) & 0xff;
buf[3] = (int) (memaddr >> 16) & 0xff;
- buf[4] = (int) (memaddr >> 8) & 0xff;
- buf[5] = (int) (memaddr ) & 0xff;
+ buf[4] = (int) (memaddr >> 8) & 0xff;
+ buf[5] = (int) (memaddr) & 0xff;
buf[6] = (int) (todo >> 8) & 0xff;
- buf[7] = (int) (todo ) & 0xff;
+ buf[7] = (int) (todo) & 0xff;
buf[8] = 1;
retlen = sds_send (buf, 9);
/* 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. */
+ read; 0 for error. TARGET is unused. */
-/* ARGSUSED */
static int
-sds_xfer_memory(memaddr, myaddr, len, should_write, target)
- CORE_ADDR memaddr;
- char *myaddr;
- int len;
- int should_write;
- struct target_ops *target; /* ignored */
+sds_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len, int should_write,
+ struct mem_attrib *attrib, struct target_ops *target)
{
- return dcache_xfer_memory (sds_dcache, memaddr, myaddr, len, should_write);
-}
+ int res;
+ if (should_write)
+ res = sds_write_bytes (memaddr, myaddr, len);
+ else
+ res = sds_read_bytes (memaddr, myaddr, len);
+
+ return res;
+}
\f
+
static void
-sds_files_info (ignore)
- struct target_ops *ignore;
+sds_files_info (struct target_ops *ignore)
{
puts_filtered ("Debugging over a serial connection, using SDS protocol.\n");
}
/* Read a single character from the remote end, masking it down to 7 bits. */
static int
-readchar (timeout)
- int timeout;
+readchar (int timeout)
{
int ch;
- ch = SERIAL_READCHAR (sds_desc, timeout);
+ ch = serial_readchar (sds_desc, timeout);
if (remote_debug > 1 && ch >= 0)
- printf_unfiltered("%c(%x)", ch, ch);
+ fprintf_unfiltered (gdb_stdlog, "%c(%x)", ch, ch);
switch (ch)
{
because 253, 254, and 255 are special flags in the protocol.) */
static int
-compute_checksum (csum, buf, len)
- int csum, len;
- char *buf;
+compute_checksum (int csum, char *buf, int len)
{
int i;
into BUF also. */
static int
-sds_send (buf, len)
- unsigned char *buf;
- int len;
+sds_send (unsigned char *buf, int len)
{
putmessage (buf, len);
/* Send a message to the remote machine. */
static int
-putmessage (buf, len)
- unsigned char *buf;
- int len;
+putmessage (unsigned char *buf, int len)
{
int i, enclen;
unsigned char csum = 0;
char buf2[PBUFSIZ], buf3[PBUFSIZ];
unsigned char header[3];
- int ch;
- int tcount = 0;
char *p;
/* Copy the packet into buffer BUF2, encapsulating it
and giving it a checksum. */
if (len > 170) /* Prosanity check */
- abort();
+ internal_error (__FILE__, __LINE__, "failed internal consistency check");
if (remote_debug)
{
- fprintf_unfiltered (gdb_stderr, "Message to send: \"");
+ fprintf_unfiltered (gdb_stdlog, "Message to send: \"");
for (i = 0; i < len; ++i)
- fprintf_unfiltered (gdb_stderr, "%02x", buf[i]);
- fprintf_unfiltered (gdb_stderr, "\"\n");
+ fprintf_unfiltered (gdb_stdlog, "%02x", buf[i]);
+ fprintf_unfiltered (gdb_stdlog, "\"\n");
}
p = buf2;
if (len % 3 != 0)
{
buf[len] = '\0';
- buf[len+1] = '\0';
+ buf[len + 1] = '\0';
}
header[1] = next_msg_id;
while (1)
{
- int started_error_output = 0;
-
if (remote_debug)
{
*p = '\0';
- printf_unfiltered ("Sending encoded: \"%s\"", buf2);
- printf_unfiltered (" (Checksum %d, id %d, length %d)\n",
- header[0], header[1], header[2]);
- gdb_flush (gdb_stdout);
+ fprintf_unfiltered (gdb_stdlog, "Sending encoded: \"%s\"", buf2);
+ fprintf_unfiltered (gdb_stdlog,
+ " (Checksum %d, id %d, length %d)\n",
+ header[0], header[1], header[2]);
+ gdb_flush (gdb_stdlog);
}
- if (SERIAL_WRITE (sds_desc, buf2, p - buf2))
+ if (serial_write (sds_desc, buf2, p - buf2))
perror_with_name ("putmessage: write failed");
return 1;
-
}
-
}
/* Come here after finding the start of the frame. Collect the rest
into BUF. Returns 0 on any error, 1 on success. */
static int
-read_frame (buf)
- char *buf;
+read_frame (char *buf)
{
char *bp;
int c;
{
case SERIAL_TIMEOUT:
if (remote_debug)
- puts_filtered ("Timeout in mid-message, retrying\n");
+ fputs_filtered ("Timeout in mid-message, retrying\n", gdb_stdlog);
return 0;
case '$':
if (remote_debug)
- puts_filtered ("Saw new packet start in middle of old one\n");
+ fputs_filtered ("Saw new packet start in middle of old one\n",
+ gdb_stdlog);
return 0; /* Start a new packet, count retries */
case '\r':
break;
{
*bp = '\000';
if (remote_debug)
- fprintf_unfiltered (gdb_stderr, "Received encoded: \"%s\"\n",
+ fprintf_unfiltered (gdb_stdlog, "Received encoded: \"%s\"\n",
buf);
return 1;
}
while the target is executing user code. */
static int
-getmessage (buf, forever)
- unsigned char *buf;
- int forever;
+getmessage (unsigned char *buf, int forever)
{
int c, c2, c3;
int tries;
if (forever)
{
-#ifdef MAINTENANCE_CMDS
timeout = watchdog > 0 ? watchdog : -1;
-#else
- timeout = -1;
-#endif
}
else
for (tries = 1; tries <= MAX_TRIES; tries++)
{
/* This can loop forever if the remote side sends us characters
- continuously, but if it pauses, we'll get a zero from readchar
- because of timeout. Then we'll count that as a retry. */
+ continuously, but if it pauses, we'll get a zero from readchar
+ because of timeout. Then we'll count that as a retry. */
/* Note that we will only wait forever prior to the start of a packet.
- After that, we expect characters to arrive at a brisk pace. They
- should show up within sds_timeout intervals. */
+ After that, we expect characters to arrive at a brisk pace. They
+ should show up within sds_timeout intervals. */
do
{
if (c == SERIAL_TIMEOUT)
{
-#ifdef MAINTENANCE_CMDS
if (forever) /* Watchdog went off. Kill the target. */
{
target_mourn_inferior ();
error ("Watchdog has expired. Target detached.\n");
}
-#endif
if (remote_debug)
- puts_filtered ("Timed out.\n");
+ fputs_filtered ("Timed out.\n", gdb_stdlog);
goto retry;
}
}
while (c != '$' && c != '{');
/* We might have seen a "trigraph", a sequence of three characters
- that indicate various sorts of communication state. */
+ that indicate various sorts of communication state. */
if (c == '{')
{
c2 = readchar (timeout);
c3 = readchar (timeout);
if (remote_debug)
- fprintf_unfiltered (gdb_stderr, "Trigraph %c%c%c received\n",
+ fprintf_unfiltered (gdb_stdlog, "Trigraph %c%c%c received\n",
c, c2, c3);
if (c3 == '+')
{
message_pending = 1;
- return;
+ return 0; /*???? */
}
continue;
}
if (csum != header[0])
fprintf_unfiltered (gdb_stderr,
- "Checksum mismatch: computed %d, received %d\n",
+ "Checksum mismatch: computed %d, received %d\n",
csum, header[0]);
if (header[2] == 0xff)
if (remote_debug)
{
- fprintf_unfiltered (gdb_stderr,
- "... (Got checksum %d, id %d, length %d)\n",
+ fprintf_unfiltered (gdb_stdlog,
+ "... (Got checksum %d, id %d, length %d)\n",
header[0], header[1], header[2]);
- fprintf_unfiltered (gdb_stderr, "Message received: \"");
+ fprintf_unfiltered (gdb_stdlog, "Message received: \"");
for (i = 0; i < len; ++i)
{
- fprintf_unfiltered (gdb_stderr, "%02x", (unsigned char) buf[i]);
+ fprintf_unfiltered (gdb_stdlog, "%02x", (unsigned char) buf[i]);
}
- fprintf_unfiltered (gdb_stderr, "\"\n");
+ fprintf_unfiltered (gdb_stdlog, "\"\n");
}
/* no ack required? */
/* Try the whole thing again. */
retry:
/* need to do something here */
+ ;
}
/* We have tried hard enough, and just can't receive the packet. Give up. */
printf_unfiltered ("Ignoring packet error, continuing...\n");
+ return 0;
}
\f
static void
-sds_kill ()
+sds_kill (void)
{
/* Don't try to do anything to the target. */
}
static void
-sds_mourn ()
+sds_mourn (void)
{
unpush_target (&sds_ops);
generic_mourn_inferior ();
}
static void
-sds_create_inferior (exec_file, args, env)
- char *exec_file;
- char *args;
- char **env;
+sds_create_inferior (char *exec_file, char *args, char **env, int from_tty)
{
- inferior_pid = 42000;
+ inferior_ptid = pid_to_ptid (42000);
/* Clean up from the last time we were running. */
clear_proceed_status ();
}
static void
-sds_load (filename, from_tty)
- char *filename;
- int from_tty;
+sds_load (char *filename, int from_tty)
{
generic_load (filename, from_tty);
- inferior_pid = 0;
+ inferior_ptid = null_ptid;
}
\f
/* The SDS monitor has commands for breakpoint insertion, although it
replaced instruction back to the debugger. */
static int
-sds_insert_breakpoint (addr, contents_cache)
- CORE_ADDR addr;
- char *contents_cache;
+sds_insert_breakpoint (CORE_ADDR addr, char *contents_cache)
{
int i, retlen;
unsigned char *p, buf[PBUFSIZ];
*p++ = 0;
*p++ = (int) (addr >> 24) & 0xff;
*p++ = (int) (addr >> 16) & 0xff;
- *p++ = (int) (addr >> 8) & 0xff;
- *p++ = (int) (addr ) & 0xff;
-
+ *p++ = (int) (addr >> 8) & 0xff;
+ *p++ = (int) (addr) & 0xff;
+
retlen = sds_send (buf, p - buf);
for (i = 0; i < 4; ++i)
}
static int
-sds_remove_breakpoint (addr, contents_cache)
- CORE_ADDR addr;
- char *contents_cache;
+sds_remove_breakpoint (CORE_ADDR addr, char *contents_cache)
{
int i, retlen;
unsigned char *p, buf[PBUFSIZ];
*p++ = 0;
*p++ = (int) (addr >> 24) & 0xff;
*p++ = (int) (addr >> 16) & 0xff;
- *p++ = (int) (addr >> 8) & 0xff;
- *p++ = (int) (addr ) & 0xff;
+ *p++ = (int) (addr >> 8) & 0xff;
+ *p++ = (int) (addr) & 0xff;
for (i = 0; i < 4; ++i)
*p++ = contents_cache[i];
return 0;
}
\f
-/* Define the target operations vector. */
-
-static struct target_ops sds_ops ;
-
-static void init_sds_ops(void)
+static void
+init_sds_ops (void)
{
- sds_ops.to_shortname = "sds";
- sds_ops.to_longname = "Remote serial target with SDS protocol";
- sds_ops.to_doc = "Use a remote computer via a serial line; using the SDS protocol.\n\
-Specify the serial device it is connected to (e.g. /dev/ttya).",
- sds_ops.to_open = sds_open;
- sds_ops.to_close = sds_close;
- sds_ops.to_attach = NULL;
- sds_ops.to_detach = sds_detach;
- sds_ops.to_resume = sds_resume;
- sds_ops.to_wait = sds_wait;
- sds_ops.to_fetch_registers = sds_fetch_registers;
- sds_ops.to_store_registers = sds_store_registers;
- sds_ops.to_prepare_to_store = sds_prepare_to_store;
- sds_ops.to_xfer_memory = sds_xfer_memory;
- sds_ops.to_files_info = sds_files_info;
- sds_ops.to_insert_breakpoint = sds_insert_breakpoint;
- sds_ops.to_remove_breakpoint = sds_remove_breakpoint;
- sds_ops.to_terminal_init = NULL;
- sds_ops.to_terminal_inferior = NULL;
- sds_ops.to_terminal_ours_for_output = NULL;
- sds_ops.to_terminal_ours = NULL;
- sds_ops.to_terminal_info = NULL;
- sds_ops.to_kill = sds_kill;
- sds_ops.to_load = sds_load;
- sds_ops.to_lookup_symbol = NULL;
- sds_ops.to_create_inferior = sds_create_inferior;
- sds_ops.to_mourn_inferior = sds_mourn;
- sds_ops.to_can_run = 0;
- sds_ops.to_notice_signals = 0;
- sds_ops.to_thread_alive = 0;
- sds_ops.to_stop = 0;
- sds_ops.to_stratum = process_stratum;
- sds_ops.DONT_USE = NULL;
- sds_ops.to_has_all_memory = 1;
- sds_ops.to_has_memory = 1;
- sds_ops.to_has_stack = 1; /* to_has_stack */
- sds_ops.to_has_registers = 1; sds_ops.to_has_execution = 1;
- sds_ops.to_sections = NULL;
- sds_ops.to_sections_end = NULL;
- sds_ops.to_magic = OPS_MAGIC ;
+ sds_ops.to_shortname = "sds";
+ sds_ops.to_longname = "Remote serial target with SDS protocol";
+ sds_ops.to_doc = "Use a remote computer via a serial line; using the SDS protocol.\n\
+Specify the serial device it is connected to (e.g. /dev/ttya).";
+ sds_ops.to_open = sds_open;
+ sds_ops.to_close = sds_close;
+ sds_ops.to_detach = sds_detach;
+ sds_ops.to_resume = sds_resume;
+ sds_ops.to_wait = sds_wait;
+ sds_ops.to_fetch_registers = sds_fetch_registers;
+ sds_ops.to_store_registers = sds_store_registers;
+ sds_ops.to_prepare_to_store = sds_prepare_to_store;
+ sds_ops.to_xfer_memory = sds_xfer_memory;
+ sds_ops.to_files_info = sds_files_info;
+ sds_ops.to_insert_breakpoint = sds_insert_breakpoint;
+ sds_ops.to_remove_breakpoint = sds_remove_breakpoint;
+ sds_ops.to_kill = sds_kill;
+ sds_ops.to_load = sds_load;
+ sds_ops.to_create_inferior = sds_create_inferior;
+ sds_ops.to_mourn_inferior = sds_mourn;
+ sds_ops.to_stratum = process_stratum;
+ sds_ops.to_has_all_memory = 1;
+ sds_ops.to_has_memory = 1;
+ sds_ops.to_has_stack = 1;
+ sds_ops.to_has_registers = 1;
+ sds_ops.to_has_execution = 1;
+ sds_ops.to_magic = OPS_MAGIC;
}
/* Put a command string, in args, out to the monitor and display the
reply message. */
static void
-sds_command (args, from_tty)
- char *args;
- int from_tty;
+sds_command (char *args, int from_tty)
{
char *p;
int i, len, retlen;
for (i = 0; i < retlen; ++i)
{
printf_filtered ("%02x", buf[i]);
- }
+ }
printf_filtered ("\n");
}
void
-_initialize_remote_sds ()
+_initialize_remote_sds (void)
{
- init_sds_ops() ;
+ init_sds_ops ();
add_target (&sds_ops);
- add_show_from_set (add_set_cmd ("sdstimeout", no_class,
- var_integer, (char *)&sds_timeout,
- "Set timeout value for sds read.\n", &setlist),
- &showlist);
+ deprecated_add_show_from_set
+ (add_set_cmd ("sdstimeout", no_class,
+ var_integer, (char *) &sds_timeout,
+ "Set timeout value for sds read.\n", &setlist),
+ &showlist);
add_com ("sds", class_obscure, sds_command,
- "Send a command to the SDS monitor.");
+ "Send a command to the SDS monitor.");
}