/* Remote debugging interface for MIPS remote debugging protocol.
- Copyright 1993, 1994 Free Software Foundation, Inc.
+ Copyright 1993, 1994, 1995 Free Software Foundation, Inc.
Contributed by Cygnus Support. Written by Ian Lance Taylor
<ian@cygnus.com>.
#include "remote-utils.h"
#include <signal.h>
+#ifdef ANSI_PROTOTYPES
+#include <stdarg.h>
+#else
#include <varargs.h>
+#endif
extern char *mips_read_processor_type PARAMS ((void));
The value is
0x40 + seq
An acknowlegment packet contains the sequence number of the
- packet being acknowledged plus 1 module 64. Data packets are
+ packet being acknowledged plus 1 modulo 64. Data packets are
transmitted in sequence. There may only be one outstanding
unacknowledged data packet at a time. The sequence numbers
are independent in each direction. If an acknowledgement for
inconsistent state. */
static NORETURN void
+#ifdef ANSI_PROTOTYPES
+mips_error (char *string, ...)
+#else
mips_error (va_alist)
va_dcl
+#endif
{
va_list args;
- char *string;
+#ifdef ANSI_PROTOTYPES
+ va_start (args, string);
+#else
+ char *string;
va_start (args);
+ string = va_arg (args, char *);
+#endif
+
target_terminal_ours ();
wrap_here(""); /* Force out any buffered output */
gdb_flush (gdb_stdout);
if (error_pre_print)
fprintf_filtered (gdb_stderr, error_pre_print);
- string = va_arg (args, char *);
vfprintf_filtered (gdb_stderr, string, args);
fprintf_filtered (gdb_stderr, "\n");
va_end (args);
int ch;
static int state = 0;
static char nextstate[5] = { '<', 'I', 'D', 'T', '>' };
+#ifdef MAINTENANCE_CMDS
+ int i;
+
+ i = timeout;
+ if (i == -1 && watchdog > 0)
+ i = watchdog;
+#endif
if (state == 5)
timeout = 1;
ch = SERIAL_READCHAR (mips_desc, timeout);
+#ifdef MAINTENANCE_CMDS
+ if (ch == SERIAL_TIMEOUT && timeout == -1) /* Watchdog went off */
+ {
+ target_mourn_inferior ();
+ error ("Watchdog has expired. Target detached.\n");
+ }
+#endif
if (ch == SERIAL_EOF)
mips_error ("End of file from remote");
if (ch == SERIAL_ERROR)
state = 0;
- mips_error ("Remote board reset");
+ /* At this point, about the only thing we can do is abort the command
+ in progress and get back to command level as quickly as possible. */
+
+ error ("Remote board reset, debug protocol re-initialized.");
}
if (ch == nextstate[state])
char rcmd;
int rerrflg;
int rresponse;
-
+
if (cmd != '\0')
{
if (mips_need_reply)
ptype = mips_read_processor_type ();
if (ptype)
mips_set_processor_type_command (strsave (ptype), 0);
+
+/* This is really the job of start_remote however, that makes an assumption
+ that the target is about to print out a status message of some sort. That
+ doesn't happen here (in fact, it may not be possible to get the monitor to
+ send the appropriate packet). */
+
+ flush_cached_frames ();
+ registers_changed ();
+ stop_pc = read_pc ();
+ set_current_frame (create_new_frame (read_fp (), stop_pc));
+ select_frame (get_current_frame (), 0);
+ print_stack_frame (selected_frame, -1, 1);
}
/* Close a connection to the remote board. */
mips_mourn_inferior, /* to_mourn_inferior */
NULL, /* to_can_run */
NULL, /* to_notice_signals */
+ 0, /* to_thread_alive */
0, /* to_stop */
process_stratum, /* to_stratum */
NULL, /* to_next */