/* Generic remote debugging interface for simulators.
- Copyright (C) 1993-2013 Free Software Foundation, Inc.
+ Copyright (C) 1993-2014 Free Software Foundation, Inc.
Contributed by Cygnus Support.
Steve Chamberlain (sac@cygnus.com).
#include "defs.h"
#include "inferior.h"
+#include "infrun.h"
#include "value.h"
-#include "gdb_string.h"
+#include <string.h>
#include <ctype.h>
#include <fcntl.h>
#include <signal.h>
static void gdbsim_kill (struct target_ops *);
-static void gdbsim_load (char *prog, int fromtty);
+static void gdbsim_load (struct target_ops *self, const char *prog,
+ int fromtty);
static void gdbsim_open (char *args, int from_tty);
-static void gdbsim_close (void);
+static void gdbsim_close (struct target_ops *self);
-static void gdbsim_detach (struct target_ops *ops, char *args, int from_tty);
+static void gdbsim_detach (struct target_ops *ops, const char *args,
+ int from_tty);
-static void gdbsim_prepare_to_store (struct regcache *regcache);
+static void gdbsim_prepare_to_store (struct target_ops *self,
+ struct regcache *regcache);
static void gdbsim_files_info (struct target_ops *target);
static void gdbsim_mourn_inferior (struct target_ops *target);
-static void gdbsim_stop (ptid_t ptid);
+static void gdbsim_stop (struct target_ops *self, ptid_t ptid);
void simulator_command (char *args, int from_tty);
if (sim_data == NULL)
{
- sim_data = XZALLOC(struct sim_inferior_data);
+ sim_data = XCNEW(struct sim_inferior_data);
set_inferior_data (inf, sim_inferior_data_key, sim_data);
/* Allocate a ptid for this inferior. */
GDB's symbol tables to match. */
static void
-gdbsim_load (char *args, int fromtty)
+gdbsim_load (struct target_ops *self, const char *args, int fromtty)
{
char **argv;
- char *prog;
+ const char *prog;
struct sim_inferior_data *sim_data
= get_sim_inferior_data (current_inferior (), SIM_INSTANCE_NEEDED);
/* Close out all files and local state before this target loses control. */
static void
-gdbsim_close (void)
+gdbsim_close (struct target_ops *self)
{
struct sim_inferior_data *sim_data
= get_sim_inferior_data (current_inferior (), SIM_INSTANCE_NOT_NEEDED);
}
static void
-gdbsim_stop (ptid_t ptid)
+gdbsim_stop (struct target_ops *self, ptid_t ptid)
{
struct sim_inferior_data *sim_data;
static void
gdbsim_cntrl_c (int signo)
{
- gdbsim_stop (minus_one_ptid);
+ gdbsim_stop (NULL, minus_one_ptid);
}
static ptid_t
debugged. */
static void
-gdbsim_prepare_to_store (struct regcache *regcache)
+gdbsim_prepare_to_store (struct target_ops *self, struct regcache *regcache)
{
/* Do nothing, since we can store individual regs. */
}
/* Helper for gdbsim_xfer_partial that handles memory transfers.
Arguments are like target_xfer_partial. */
-static LONGEST
+static enum target_xfer_status
gdbsim_xfer_memory (struct target_ops *target,
gdb_byte *readbuf, const gdb_byte *writebuf,
- ULONGEST memaddr, LONGEST len)
+ ULONGEST memaddr, ULONGEST len, ULONGEST *xfered_len)
{
struct sim_inferior_data *sim_data
= get_sim_inferior_data (current_inferior (), SIM_INSTANCE_NOT_NEEDED);
+ int l;
/* If this target doesn't have memory yet, return 0 causing the
request to be passed to a lower target, hopefully an exec
file. */
if (!target->to_has_memory (target))
- return 0;
+ return TARGET_XFER_EOF;
if (!sim_data->program_loaded)
error (_("No program loaded."));
host_address_to_string (readbuf),
host_address_to_string (writebuf),
paddress (target_gdbarch (), memaddr),
- plongest (len));
+ pulongest (len));
if (writebuf)
{
if (remote_debug && len > 0)
dump_mem (writebuf, len);
- len = sim_write (sim_data->gdbsim_desc, memaddr, writebuf, len);
+ l = sim_write (sim_data->gdbsim_desc, memaddr, writebuf, len);
}
else
{
- len = sim_read (sim_data->gdbsim_desc, memaddr, readbuf, len);
+ l = sim_read (sim_data->gdbsim_desc, memaddr, readbuf, len);
if (remote_debug && len > 0)
dump_mem (readbuf, len);
}
- return len;
+ if (l > 0)
+ {
+ *xfered_len = (ULONGEST) l;
+ return TARGET_XFER_OK;
+ }
+ else if (l == 0)
+ return TARGET_XFER_EOF;
+ else
+ return TARGET_XFER_E_IO;
}
/* Target to_xfer_partial implementation. */
-static LONGEST
+static enum target_xfer_status
gdbsim_xfer_partial (struct target_ops *ops, enum target_object object,
const char *annex, gdb_byte *readbuf,
- const gdb_byte *writebuf, ULONGEST offset, LONGEST len)
+ const gdb_byte *writebuf, ULONGEST offset, ULONGEST len,
+ ULONGEST *xfered_len)
{
switch (object)
{
case TARGET_OBJECT_MEMORY:
- return gdbsim_xfer_memory (ops, readbuf, writebuf, offset, len);
+ return gdbsim_xfer_memory (ops, readbuf, writebuf, offset, len,
+ xfered_len);
default:
- return -1;
+ return TARGET_XFER_E_IO;
}
}