/* Remote debugging interface for AMD 29k interfaced via UDI, for GDB.
- Copyright 1990, 1992 Free Software Foundation, Inc.
+ Copyright 1990, 1992, 1995 Free Software Foundation, Inc.
Written by Daniel Mann. Contributed by AMD.
This file is part of GDB.
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., 675 Mass Ave, Cambridge, MA 02139, USA. */
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
/* This is like remote.c but uses the Universal Debug Interface (UDI) to
talk to the target hardware (or simulator). UDI is a TCP/IP based
MiniMON interface with UDI-p interface. */
#include "defs.h"
+#include "frame.h"
#include "inferior.h"
#include "wait.h"
#include "value.h"
#include <fcntl.h>
#include <signal.h>
#include <errno.h>
-#include <string.h>
+#include "gdb_string.h"
#include "terminal.h"
#include "target.h"
#include "29k-share/udi/udiproc.h"
extern int stop_soon_quietly; /* for wait_for_inferior */
extern struct value *call_function_by_hand();
-static void udi_resume PARAMS ((int pid, int step, int sig));
+static void udi_resume PARAMS ((int pid, int step, enum target_signal sig));
static void udi_fetch_registers PARAMS ((int regno));
static void udi_load PARAMS ((char *args, int from_tty));
static void fetch_register PARAMS ((int regno));
starts. */
UDISessionId udi_session_id = -1;
+static char *udi_config_id;
CPUOffset IMemStart = 0;
CPUSizeT IMemSize = 0;
/* malloc'd name of the program on the remote system. */
static char *prog_name = NULL;
-/* Number of SIGTRAPs we need to simulate. That is, the next
- NEED_ARTIFICIAL_TRAP calls to udi_wait should just return
- SIGTRAP without actually waiting for anything. */
-
/* This is called not only when we first attach, but also when the
user types "run" after having attached. */
if (udi_session_id < 0)
{
- printf_unfiltered("UDI connection not open yet.\n");
- return;
+ /* If the TIP is not open, open it. */
+ if (UDIConnect (udi_config_id, &udi_session_id))
+ error("UDIConnect() failed: %s\n", dfe_errmsg);
+ /* We will need to download the program. */
+ entry.Offset = 0;
}
inferior_pid = 40000;
args1 = alloca (strlen(execfile) + strlen(args) + 2);
- strcpy (args1, execfile);
+ if (execfile[0] == '\0')
+
+ /* It is empty. We need to quote it somehow, or else the target
+ will think there is no argument being passed here. According
+ to the UDI spec it is quoted "according to TIP OS rules" which
+ I guess means quoting it like the Unix shell should work
+ (sounds pretty bogus to me...). In fact it doesn't work (with
+ isstip anyway), but passing in two quotes as the argument seems
+ like a reasonable enough behavior anyway (I guess). */
+
+ strcpy (args1, "''");
+ else
+ strcpy (args1, execfile);
strcat (args1, " ");
strcat (args1, args);
init_wait_for_inferior ();
clear_proceed_status ();
- proceed(-1,-1,0);
+ proceed (-1, TARGET_SIGNAL_DEFAULT, 0);
}
static void
to work between "target udi" and "run", so why not now? */
pop_target (); /* Pop back to no-child state */
#endif
+ /* But if we're going to want to run it again, we better remove the
+ breakpoints... */
+ remove_breakpoints ();
generic_mourn_inferior ();
}
/* XXX - need cleanups for udiconnect for various failures!!! */
-static char *udi_config_id;
static void
udi_open (name, from_tty)
char *name;
udi_config_id = strdup (strtok (name, " \t"));
if (UDIConnect (udi_config_id, &udi_session_id))
+ /* FIXME: Should set udi_session_id to -1 here. */
error("UDIConnect() failed: %s\n", dfe_errmsg);
push_target (&udi_ops);
return;
/* We should never get here if there isn't something valid in
- udi_session_id. */
+ udi_session_id. */
if (UDIDisconnect (udi_session_id, UDITerminateSession))
- error ("UDIDisconnect() failed in udi_close");
+ {
+ if (quitting)
+ warning ("UDIDisconnect() failed in udi_close");
+ else
+ error ("UDIDisconnect() failed in udi_close");
+ }
/* Do not try to close udi_session_id again, later in the program. */
udi_session_id = -1;
UDIBool HostEndian = 0;
UDIError err;
+ if (args == NULL)
+ error_no_arg ("program to attach");
+
if (udi_session_id < 0)
error ("UDI connection not opened yet, use the 'target udi' command.\n");
if (UDIDisconnect (udi_session_id, UDIContinueSession))
error ("UDIDisconnect() failed in udi_detach");
- pop_target(); /* calls udi_close to do the real work */
+ /* Don't try to UDIDisconnect it again in udi_close, which is called from
+ pop_target. */
+ udi_session_id = -1;
+ inferior_pid = 0;
+
+ pop_target();
if (from_tty)
- printf_unfiltered ("Ending remote debugging\n");
+ printf_unfiltered ("Detaching from TIP\n");
}
static void
udi_resume (pid, step, sig)
- int pid, step, sig;
+ int pid, step;
+ enum target_signal sig;
{
UDIError tip_error;
UDIUInt32 Steps = 1;
static int
udi_wait (pid, status)
int pid;
- WAITTYPE *status;
+ struct target_waitstatus *status;
{
UDIInt32 MaxTime;
UDIPId PId;
int old_immediate_quit = immediate_quit;
int i;
- WSETEXIT ((*status), 0);
+ status->kind = TARGET_WAITKIND_EXITED;
+ status->value.integer = 0;
/* wait for message to arrive. It should be:
If the target stops executing, udi_wait() should return.
switch (StopReason & UDIGrossState)
{
- case UDIGdb_StdoutReady:
- if (UDIGetGdb_Stdout (sbuf, (UDISizeT)SBUF_MAX, &CountDone))
+ case UDIStdoutReady:
+ if (UDIGetStdout (sbuf, (UDISizeT)SBUF_MAX, &CountDone))
/* This is said to happen if the program tries to output
a whole bunch of output (more than SBUF_MAX, I would
guess). It doesn't seem to happen with the simulator. */
- warning ("UDIGetGdb_Stdout() failed in udi_wait");
+ warning ("UDIGetStdout() failed in udi_wait");
fwrite (sbuf, 1, CountDone, gdb_stdout);
gdb_flush(gdb_stdout);
continue;
- case UDIGdb_StderrReady:
- UDIGetGdb_Stderr (sbuf, (UDISizeT)SBUF_MAX, &CountDone);
+
+ case UDIStderrReady:
+ UDIGetStderr (sbuf, (UDISizeT)SBUF_MAX, &CountDone);
fwrite (sbuf, 1, CountDone, gdb_stderr);
gdb_flush(gdb_stderr);
continue;
case UDITrapped:
printf_unfiltered("Am290*0 received vector number %d\n", StopReason >> 24);
- switch (StopReason >> 8)
+ switch ((StopReason >> 8 ) & 0xff)
{
case 0: /* Illegal opcode */
printf_unfiltered(" (break point)\n");
- WSETSTOP ((*status), SIGTRAP);
+ status->kind = TARGET_WAITKIND_STOPPED;
+ status->value.sig = TARGET_SIGNAL_TRAP;
break;
case 1: /* Unaligned Access */
- WSETSTOP ((*status), SIGBUS);
+ status->kind = TARGET_WAITKIND_STOPPED;
+ status->value.sig = TARGET_SIGNAL_BUS;
break;
case 3:
case 4:
- WSETSTOP ((*status), SIGFPE);
+ status->kind = TARGET_WAITKIND_STOPPED;
+ status->value.sig = TARGET_SIGNAL_FPE;
break;
case 5: /* Protection Violation */
- WSETSTOP ((*status), SIGILL);
+ status->kind = TARGET_WAITKIND_STOPPED;
+ /* Why not SEGV? What is a Protection Violation? */
+ status->value.sig = TARGET_SIGNAL_ILL;
break;
case 6:
case 7:
case 9: /* User Data Mapping Miss */
case 10: /* Supervisor Instruction Mapping Miss */
case 11: /* Supervisor Data Mapping Miss */
- WSETSTOP ((*status), SIGSEGV);
+ status->kind = TARGET_WAITKIND_STOPPED;
+ status->value.sig = TARGET_SIGNAL_SEGV;
break;
case 12:
case 13:
- WSETSTOP ((*status), SIGILL);
+ status->kind = TARGET_WAITKIND_STOPPED;
+ status->value.sig = TARGET_SIGNAL_ILL;
break;
case 14: /* Timer */
- WSETSTOP ((*status), SIGALRM);
+ status->kind = TARGET_WAITKIND_STOPPED;
+ status->value.sig = TARGET_SIGNAL_ALRM;
break;
case 15: /* Trace */
- WSETSTOP ((*status), SIGTRAP);
+ status->kind = TARGET_WAITKIND_STOPPED;
+ status->value.sig = TARGET_SIGNAL_TRAP;
break;
case 16: /* INTR0 */
case 17: /* INTR1 */
case 19: /* INTR3/Internal */
case 20: /* TRAP0 */
case 21: /* TRAP1 */
- WSETSTOP ((*status), SIGINT);
+ status->kind = TARGET_WAITKIND_STOPPED;
+ status->value.sig = TARGET_SIGNAL_INT;
break;
case 22: /* Floating-Point Exception */
- WSETSTOP ((*status), SIGILL);
+ status->kind = TARGET_WAITKIND_STOPPED;
+ /* Why not FPE? */
+ status->value.sig = TARGET_SIGNAL_ILL;
break;
case 77: /* assert 77 */
- WSETSTOP ((*status), SIGTRAP);
+ status->kind = TARGET_WAITKIND_STOPPED;
+ status->value.sig = TARGET_SIGNAL_TRAP;
break;
default:
- WSETEXIT ((*status), 0);
+ status->kind = TARGET_WAITKIND_EXITED;
+ status->value.integer = 0;
}
break;
case UDINotExecuting:
- WSETSTOP ((*status), SIGTERM);
+ status->kind = TARGET_WAITKIND_STOPPED;
+ status->value.sig = TARGET_SIGNAL_TERM;
break;
case UDIStopped:
- WSETSTOP ((*status), SIGTSTP);
+ status->kind = TARGET_WAITKIND_STOPPED;
+ status->value.sig = TARGET_SIGNAL_TSTP;
break;
case UDIWarned:
- WSETSTOP ((*status), SIGURG);
+ status->kind = TARGET_WAITKIND_STOPPED;
+ status->value.sig = TARGET_SIGNAL_URG;
break;
case UDIStepped:
case UDIBreak:
- WSETSTOP ((*status), SIGTRAP);
+ status->kind = TARGET_WAITKIND_STOPPED;
+ status->value.sig = TARGET_SIGNAL_TRAP;
break;
case UDIWaiting:
- WSETSTOP ((*status), SIGSTOP);
+ status->kind = TARGET_WAITKIND_STOPPED;
+ status->value.sig = TARGET_SIGNAL_STOP;
break;
case UDIHalted:
- WSETSTOP ((*status), SIGKILL);
+ status->kind = TARGET_WAITKIND_STOPPED;
+ status->value.sig = TARGET_SIGNAL_KILL;
break;
case UDIExited:
default:
- WSETEXIT ((*status), 0);
+ status->kind = TARGET_WAITKIND_EXITED;
+ status->value.integer = 0;
}
timeout = old_timeout; /* Restore original timeout value */
static void
udi_files_info ()
{
- printf_unfiltered ("\tAttached to UDI socket to %s and running program %s.\n",
- udi_config_id, prog_name);
+ printf_unfiltered ("\tAttached to UDI socket to %s", udi_config_id);
+ if (prog_name != NULL)
+ printf_unfiltered ("and running program %s", prog_name);
+ printf_unfiltered (".\n");
}
/**************************************************** UDI_INSERT_BREAKPOINT */
if (from_tty)
printf_unfiltered("Target has been stopped.");
-#else
+#endif /* 0 */
+#if 0
udi_close(0);
-#endif
pop_target();
+#endif /* 0 */
+
+ /* Keep the target around, e.g. so "run" can do the right thing when
+ we are already debugging something. */
+
+ if (UDIDisconnect (udi_session_id, UDITerminateSession))
+ {
+ warning ("UDIDisconnect() failed");
+ }
+
+ /* Do not try to close udi_session_id again, later in the program. */
+ udi_session_id = -1;
+ inferior_pid = 0;
}
/*
pbfd = bfd_openr (filename, gnutarget);
if (!pbfd)
+ /* FIXME: should be using bfd_errmsg, not assuming it was
+ bfd_error_system_call. */
perror_with_name (filename);
+ /* FIXME: should be checking for errors from bfd_close (for one thing,
+ on error it does not free all the storage associated with the
+ bfd). */
make_cleanup (bfd_close, pbfd);
QUIT;
immediate_quit--;
}
-/* User interface to download an image into the remote target. See download()
- * for details on args.
- */
+/* Function to download an image into the remote target. */
static void
-udi_load(args, from_tty)
+udi_load (args, from_tty)
char *args;
int from_tty;
{
download (args, from_tty);
- symbol_file_add (strtok (args, " \t"), from_tty, 0, 0, 0, 0);
+ /* As a convenience, pick up any symbol info that is in the program
+ being loaded. Note that we assume that the program is the``mainline'';
+ if this is not always true, then this code will need to be augmented. */
+ symbol_file_add (strtok (args, " \t"), from_tty, 0, 1, 0, 0);
+
+ /* Getting new symbols may change our opinion about what is
+ frameless. */
+ reinit_frame_cache ();
}
/*************************************************** UDI_WRITE_INFERIOR_MEMORY
if (Count > MAXDATA) Count = MAXDATA;
To.Offset = memaddr + nwritten;
if(UDIWrite(From, To, Count, Size, &CountDone, HostEndian))
- { error("UDIWrite() failed in udi_write_inferrior_memory");
+ { error("UDIWrite() failed in udi_write_inferior_memory");
break;
}
else
if (Count > MAXDATA) Count = MAXDATA;
From.Offset = memaddr + nread;
if(err = UDIRead(From, To, Count, Size, &CountDone, HostEndian))
- { error("UDIRead() failed in udi_read_inferrior_memory");
+ { error("UDIRead() failed in udi_read_inferior_memory");
break;
}
else
else if (regno>=FPE_REGNUM && regno<=EXO_REGNUM)
{
int val = -1;
- supply_register(160 + (regno - FPE_REGNUM),(char *) &val);
+ /*supply_register(160 + (regno - FPE_REGNUM),(char *) &val);*/
+ supply_register(regno, (char *) &val);
return; /* Pretend Success */
}
else
0, /* terminal_ours */
0, /* terminal_info */
udi_kill, /* FIXME, kill */
- udi_load,
+ udi_load, /* to_load */
0, /* lookup_symbol */
udi_create_inferior,
udi_mourn, /* mourn_inferior FIXME */
0, /* can_run */
0, /* notice_signals */
+ 0, /* to_stop */
process_stratum,
0, /* next */
1, /* has_all_memory */
projects / deliverable / binutils-gdb.git / blobdiff