/* This file is part of the program psim.
- Copyright (C) 1994-1996, Andrew Cagney <cagney@highland.com.au>
+ Copyright 1994, 1995, 1996, 1998, 2003 Andrew Cagney
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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#endif
#endif
-#include "defs.h"
+#include "libiberty.h"
#include "bfd.h"
-#include "callback.h"
-#include "remote-sim.h"
+#include "gdb/callback.h"
+#include "gdb/remote-sim.h"
+#include "gdb/signals.h"
+
+/* Define the rate at which the simulator should poll the host
+ for a quit. */
+#ifndef POLL_QUIT_INTERVAL
+#define POLL_QUIT_INTERVAL 0x20
+#endif
+static int poll_quit_count = POLL_QUIT_INTERVAL;
/* Structures used by the simulator, for gdb just have static structures */
-static psim *simulator;
+psim *simulator;
static device *root_device;
-static const char *register_names[] = REGISTER_NAMES;
static host_callback *callbacks;
SIM_DESC
sim_open (SIM_OPEN_KIND kind,
host_callback *callback,
- struct _bfd *abfd,
- char **argv)
+ struct bfd *abfd,
+ char * const *argv)
{
callbacks = callback;
root_device = psim_tree();
simulator = NULL;
- psim_options(root_device, argv + 1);
+ if (psim_options (root_device, argv + 1, kind) == NULL)
+ return NULL;
if (ppc_trace[trace_opts])
print_options ();
SIM_RC
-sim_load (SIM_DESC sd, char *prog, bfd *abfd, int from_tty)
+sim_load (SIM_DESC sd, const char *prog, bfd *abfd, int from_tty)
{
- char **argv;
TRACE(trace_gdb, ("sim_load(prog=%s, from_tty=%d) called\n",
prog, from_tty));
ASSERT(prog != NULL);
- /* parse the arguments, assume that the file is argument 0 */
- argv = buildargv(prog);
- ASSERT(argv != NULL && argv[0] != NULL);
-
/* create the simulator */
TRACE(trace_gdb, ("sim_load() - first time, create the simulator\n"));
- simulator = psim_create(argv[0], root_device);
+ simulator = psim_create(prog, root_device);
/* bring in all the data section */
psim_init(simulator);
/* get the start address */
if (abfd == NULL)
{
- abfd = bfd_openr (argv[0], 0);
+ abfd = bfd_openr (prog, 0);
if (abfd == NULL)
error ("psim: can't open \"%s\": %s\n",
- argv[0], bfd_errmsg (bfd_get_error ()));
+ prog, bfd_errmsg (bfd_get_error ()));
if (!bfd_check_format (abfd, bfd_object))
{
const char *errmsg = bfd_errmsg (bfd_get_error ());
bfd_close (abfd);
error ("psim: \"%s\" is not an object file: %s\n",
- argv[0], errmsg);
+ prog, errmsg);
}
bfd_close (abfd);
}
- /* release the arguments */
- freeargv(argv);
-
return SIM_RC_OK;
}
int
-sim_write (SIM_DESC sd, SIM_ADDR mem, unsigned char *buf, int length)
+sim_write (SIM_DESC sd, SIM_ADDR mem, const unsigned char *buf, int length)
{
int result = psim_write_memory(simulator, MAX_NR_PROCESSORS,
buf, mem, length,
return result;
}
-
-void
-sim_fetch_register (SIM_DESC sd, int regno, unsigned char *buf)
-{
- if (simulator == NULL) {
- return;
- }
- TRACE(trace_gdb, ("sim_fetch_register(regno=%d(%s), buf=0x%lx)\n",
- regno, register_names[regno], (long)buf));
- psim_read_register(simulator, MAX_NR_PROCESSORS,
- buf, register_names[regno],
- raw_transfer);
-}
-
-
-void
-sim_store_register (SIM_DESC sd, int regno, unsigned char *buf)
-{
- if (simulator == NULL)
- return;
- TRACE(trace_gdb, ("sim_store_register(regno=%d(%s), buf=0x%lx)\n",
- regno, register_names[regno], (long)buf));
- psim_write_register(simulator, MAX_NR_PROCESSORS,
- buf, register_names[regno],
- raw_transfer);
-}
-
-
void
sim_info (SIM_DESC sd, int verbose)
{
SIM_RC
sim_create_inferior (SIM_DESC sd,
- struct _bfd *abfd,
- char **argv,
- char **envp)
+ struct bfd *abfd,
+ char * const *argv,
+ char * const *envp)
{
unsigned_word entry_point;
TRACE(trace_gdb, ("sim_create_inferior(start_address=0x%x, ...)\n",
psim_init(simulator);
psim_stack(simulator, argv, envp);
- psim_write_register(simulator, -1 /* all start at same PC */,
- &entry_point, "pc", cooked_transfer);
+ ASSERT (psim_write_register(simulator, -1 /* all start at same PC */,
+ &entry_point, "pc", cooked_transfer) > 0);
return SIM_RC_OK;
}
case was_continuing:
*reason = sim_stopped;
if (status.signal == 0)
- *sigrc = SIGTRAP;
+ *sigrc = GDB_SIGNAL_TRAP;
else
*sigrc = status.signal;
break;
case was_trap:
*reason = sim_stopped;
- *sigrc = SIGTRAP;
+ *sigrc = GDB_SIGNAL_TRAP;
break;
case was_exited:
*reason = sim_exited;
}
void
-sim_do_command (SIM_DESC sd, char *cmd)
+sim_do_command (SIM_DESC sd, const char *cmd)
{
TRACE(trace_gdb, ("sim_do_commands(cmd=%s) called\n",
cmd ? cmd : "(null)"));
}
}
+char **
+sim_complete_command (SIM_DESC sd, const char *text, const char *word)
+{
+ return NULL;
+}
+
+/* Polling, if required */
+
+void
+sim_io_poll_quit (void)
+{
+ if (callbacks->poll_quit != NULL && poll_quit_count-- < 0)
+ {
+ poll_quit_count = POLL_QUIT_INTERVAL;
+ if (callbacks->poll_quit (callbacks))
+ psim_stop (simulator);
+ }
+}
+
+
/* Map simulator IO operations onto the corresponding GDB I/O
functions.
}
}
+void
+sim_io_error (SIM_DESC sd, const char *fmt, ...)
+{
+ va_list ap;
+ va_start(ap, fmt);
+ callbacks->evprintf_filtered (callbacks, fmt, ap);
+ va_end(ap);
+ callbacks->error (callbacks, "");
+}
+
/****/
+void NORETURN
+error (const char *msg, ...)
+{
+ va_list ap;
+ va_start(ap, msg);
+ callbacks->evprintf_filtered (callbacks, msg, ap);
+ va_end(ap);
+ callbacks->error (callbacks, "");
+}
+
void *
zalloc(long size)
{
memset(memory, 0, size);
return memory;
}
-
-void zfree(void *data)
-{
- free(NULL, data);
-}