/* Generic remote debugging interface for simulators.
- Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001,
- 2002, 2004, 2005, 2006 Free Software Foundation, Inc.
+ Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
+ 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
Contributed by Cygnus Support.
Steve Chamberlain (sac@cygnus.com).
#include "gdb_assert.h"
#include "sim-regno.h"
#include "arch-utils.h"
+#include "readline/readline.h"
/* Prototypes */
printf_filtered ("gdbsim_kill\n");
/* There is no need to `kill' running simulator - the simulator is
- not running */
- inferior_ptid = null_ptid;
+ not running. Mourning it is enough. */
+ target_mourn_inferior ();
}
/* Load an executable file into the target process. This is expected to
GDB's symbol tables to match. */
static void
-gdbsim_load (char *prog, int fromtty)
+gdbsim_load (char *args, int fromtty)
{
+ char **argv = buildargv (args);
+ char *prog;
+
+ if (argv == NULL)
+ nomem (0);
+
+ make_cleanup_freeargv (argv);
+
+ prog = tilde_expand (argv[0]);
+
+ if (argv[1] != NULL)
+ error (_("GDB sim does not yet support a load offset."));
+
if (sr_get_debug ())
printf_filtered ("gdbsim_load: prog \"%s\"\n", prog);
- inferior_ptid = null_ptid;
-
/* FIXME: We will print two messages on error.
Need error to either not print anything if passed NULL or need
another routine that doesn't take any arguments. */
sim_create_inferior (gdbsim_desc, exec_bfd, argv, env);
inferior_ptid = pid_to_ptid (42);
+ target_mark_running (&gdbsim_ops);
insert_breakpoints (); /* Needed to get correct instruction in cache */
clear_proceed_status ();
strcpy (arg_buf, "gdbsim"); /* 7 */
/* Specify the byte order for the target when it is both selectable
and explicitly specified by the user (not auto detected). */
- switch (selected_byte_order ())
+ switch (TARGET_BYTE_ORDER)
{
case BFD_ENDIAN_BIG:
strcat (arg_buf, " -E big");
error (_("unable to create simulator instance"));
push_target (&gdbsim_ops);
- target_fetch_registers (-1);
printf_filtered ("Connected to the simulator.\n");
+
+ /* There's nothing running after "target sim" or "load"; not until
+ "run". */
+ inferior_ptid = null_ptid;
+ target_mark_exited (&gdbsim_ops);
}
/* Does whatever cleanup is required for a target that we are no longer
int write, struct mem_attrib *attrib,
struct target_ops *target)
{
+ /* If no program is running yet, then ignore the simulator for
+ memory. Pass the request down to the next target, hopefully
+ an exec file. */
+ if (!target_has_execution)
+ return 0;
+
if (!program_loaded)
error (_("No program loaded."));
printf_filtered ("gdbsim_mourn_inferior:\n");
remove_breakpoints ();
+ target_mark_exited (&gdbsim_ops);
generic_mourn_inferior ();
}
-static int
-gdbsim_insert_breakpoint (CORE_ADDR addr, bfd_byte *contents_cache)
-{
- return memory_insert_breakpoint (addr, contents_cache);
-}
-
-static int
-gdbsim_remove_breakpoint (CORE_ADDR addr, bfd_byte *contents_cache)
-{
- return memory_remove_breakpoint (addr, contents_cache);
-}
-
/* Pass the command argument through to the simulator verbatim. The
simulator must do any command interpretation work. */
gdbsim_ops.to_prepare_to_store = gdbsim_prepare_to_store;
gdbsim_ops.deprecated_xfer_memory = gdbsim_xfer_inferior_memory;
gdbsim_ops.to_files_info = gdbsim_files_info;
- gdbsim_ops.to_insert_breakpoint = gdbsim_insert_breakpoint;
- gdbsim_ops.to_remove_breakpoint = gdbsim_remove_breakpoint;
+ gdbsim_ops.to_insert_breakpoint = memory_insert_breakpoint;
+ gdbsim_ops.to_remove_breakpoint = memory_remove_breakpoint;
gdbsim_ops.to_kill = gdbsim_kill;
gdbsim_ops.to_load = gdbsim_load;
gdbsim_ops.to_create_inferior = gdbsim_create_inferior;