/* gdb.c --- sim interface to GDB.
-Copyright (C) 2005, 2007, 2008, 2009 Free Software Foundation, Inc.
+Copyright (C) 2005-2019 Free Software Foundation, Inc.
Contributed by Red Hat, Inc.
This file is part of the GNU simulators.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
-
+#include "config.h"
#include <stdio.h>
#include <assert.h>
#include <signal.h>
+#include <stdlib.h>
#include <string.h>
#include <ctype.h>
SIM_DESC
sim_open (SIM_OPEN_KIND kind,
struct host_callback_struct *callback,
- struct bfd *abfd, char **argv)
+ struct bfd *abfd, char * const *argv)
{
setbuf (stdout, 0);
if (open)
SIM_RC
-sim_load (SIM_DESC sd, char *prog, struct bfd * abfd, int from_tty)
+sim_load (SIM_DESC sd, const char *prog, struct bfd * abfd, int from_tty)
{
check_desc (sd);
}
SIM_RC
-sim_create_inferior (SIM_DESC sd, struct bfd * abfd, char **argv, char **env)
+sim_create_inferior (SIM_DESC sd, struct bfd * abfd,
+ char * const *argv, char * const *env)
{
check_desc (sd);
}
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)
{
check_desc (sd);
check_desc (sd);
if (!check_regno (regno))
- return 0;
+ return -1;
size = reg_size (regno);
default:
fprintf (stderr, "m32c minisim: unrecognized register number: %d\n",
regno);
- return -1;
+ return 0;
}
}
return size;
}
-void
-sim_info (SIM_DESC sd, int verbose)
-{
- check_desc (sd);
-
- printf ("The m32c minisim doesn't collect any statistics.\n");
-}
-
static volatile int stop;
static enum sim_stop reason;
-int siggnal;
+static int siggnal;
/* Given a signal number used by the M32C bsp (that is, newlib),
- return a host signal number. (Oddly, the gdb/sim interface uses
- host signal numbers...) */
-int
-m32c_signal_to_host (int m32c)
+ return a target signal number used by GDB. */
+static int
+m32c_signal_to_target (int m32c)
{
switch (m32c)
{
case 4:
-#ifdef SIGILL
- return SIGILL;
-#else
- return SIGSEGV;
-#endif
+ return GDB_SIGNAL_ILL;
case 5:
- return SIGTRAP;
+ return GDB_SIGNAL_TRAP;
case 10:
-#ifdef SIGBUS
- return SIGBUS;
-#else
- return SIGSEGV;
-#endif
+ return GDB_SIGNAL_BUS;
case 11:
- return SIGSEGV;
+ return GDB_SIGNAL_SEGV;
case 24:
-#ifdef SIGXCPU
- return SIGXCPU;
-#else
- break;
-#endif
+ return GDB_SIGNAL_XCPU;
case 2:
- return SIGINT;
+ return GDB_SIGNAL_INT;
case 8:
-#ifdef SIGFPE
- return SIGFPE;
-#else
- break;
-#endif
+ return GDB_SIGNAL_FPE;
case 6:
- return SIGABRT;
+ return GDB_SIGNAL_ABRT;
}
return 0;
/* Take a step return code RC and set up the variables consulted by
sim_stop_reason appropriately. */
-void
+static void
handle_step (int rc)
{
if (M32C_STEPPED (rc) || M32C_HIT_BREAK (rc))
{
reason = sim_stopped;
- siggnal = TARGET_SIGNAL_TRAP;
+ siggnal = GDB_SIGNAL_TRAP;
}
else if (M32C_STOPPED (rc))
{
reason = sim_stopped;
- siggnal = m32c_signal_to_host (M32C_STOP_SIG (rc));
+ siggnal = m32c_signal_to_target (M32C_STOP_SIG (rc));
}
else
{
interrupt signal handler. */
for (;;)
{
+ int rc;
+
if (stop)
{
stop = 0;
reason = sim_stopped;
- siggnal = TARGET_SIGNAL_INT;
+ siggnal = GDB_SIGNAL_INT;
break;
}
- int rc = decode_opcode ();
+ rc = decode_opcode ();
#ifdef TIMER_A
update_timer_a ();
#endif
}
void
-sim_do_command (SIM_DESC sd, char *cmd)
+sim_do_command (SIM_DESC sd, const char *cmd)
{
- check_desc (sd);
+ const char *args;
+ char *p = strdup (cmd);
- char *p = cmd;
+ check_desc (sd);
/* Skip leading whitespace. */
while (isspace (*p))
/* Null-terminate the command word, and record the start of any
further arguments. */
- char *args;
if (*p)
{
*p = '\0';
else
printf ("The 'sim' command expects either 'trace' or 'verbose'"
" as a subcommand.\n");
+
+ free (p);
+}
+
+char **
+sim_complete_command (SIM_DESC sd, const char *text, const char *word)
+{
+ return NULL;
+}
+
+void
+sim_info (SIM_DESC sd, int verbose)
+{
+ printf ("The m32c minisim doesn't collect any statistics.\n");
}