/* Generic remote debugging interface for simulators.
- Copyright 1993, 1994, 1996, 1997, 2000 Free Software Foundation, Inc.
+
+ Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
+ 2004, 2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
+
Contributed by Cygnus Support.
Steve Chamberlain (sac@cygnus.com).
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/>. */
#include "defs.h"
#include "inferior.h"
-#include "gdb_wait.h"
#include "value.h"
#include "gdb_string.h"
#include <ctype.h>
#include "terminal.h"
#include "target.h"
#include "gdbcore.h"
-#include "callback.h"
-#include "remote-sim.h"
-#include "remote-utils.h"
+#include "gdb/callback.h"
+#include "gdb/remote-sim.h"
#include "command.h"
+#include "regcache.h"
+#include "gdb_assert.h"
+#include "sim-regno.h"
+#include "arch-utils.h"
+#include "readline/readline.h"
+#include "gdbthread.h"
/* Prototypes */
extern void _initialize_remote_sim (void);
-extern int (*ui_loop_hook) PARAMS ((int signo));
-
static void dump_mem (char *buf, int len);
static void init_callbacks (void);
static void gdb_os_evprintf_filtered (host_callback *, const char *, va_list);
-static void gdb_os_error (host_callback *, const char *, ...);
+static void gdb_os_error (host_callback *, const char *, ...) ATTR_NORETURN;
-static void gdbsim_fetch_register (int regno);
-
-static void gdbsim_store_register (int regno);
-
-static void gdbsim_kill (void);
+static void gdbsim_kill (struct target_ops *);
static void gdbsim_load (char *prog, int fromtty);
-static void gdbsim_create_inferior (char *exec_file, char *args, char **env);
-
static void gdbsim_open (char *args, int from_tty);
static void gdbsim_close (int quitting);
-static void gdbsim_detach (char *args, int from_tty);
+static void gdbsim_detach (struct target_ops *ops, char *args, int from_tty);
-static void gdbsim_resume (int pid, int step, enum target_signal siggnal);
-
-static int gdbsim_wait (int pid, struct target_waitstatus *status);
-
-static void gdbsim_prepare_to_store (void);
-
-static int gdbsim_xfer_inferior_memory (CORE_ADDR memaddr,
- char *myaddr, int len,
- int write, struct target_ops *target);
+static void gdbsim_prepare_to_store (struct regcache *regcache);
static void gdbsim_files_info (struct target_ops *target);
-static void gdbsim_mourn_inferior (void);
+static void gdbsim_mourn_inferior (struct target_ops *target);
-static void gdbsim_stop (void);
+static void gdbsim_stop (ptid_t ptid);
void simulator_command (char *args, int from_tty);
back to the other sim_foo routines. */
static SIM_DESC gdbsim_desc = 0;
+/* This is the ptid we use while we're connected to the simulator.
+ Its value is arbitrary, as the simulator target don't have a notion
+ or processes or threads, but we need something non-null to place in
+ inferior_ptid. */
+static ptid_t remote_sim_ptid;
+
static void
-dump_mem (buf, len)
- char *buf;
- int len;
+dump_mem (char *buf, int len)
{
if (len <= 8)
{
long l[2];
memcpy (l, buf, len);
printf_filtered ("\t0x%lx", l[0]);
- printf_filtered (len == 8 ? " 0x%x\n" : "\n", l[1]);
+ if (len == 8)
+ printf_filtered (" 0x%lx", l[1]);
+ printf_filtered ("\n");
}
else
{
/* Initialize gdb_callback. */
static void
-init_callbacks ()
+init_callbacks (void)
{
if (!callbacks_initialized)
{
/* Release callbacks (free resources used by them). */
static void
-end_callbacks ()
+end_callbacks (void)
{
if (callbacks_initialized)
{
/* GDB version of os_write_stdout callback. */
static int
-gdb_os_write_stdout (p, buf, len)
- host_callback *p;
- const char *buf;
- int len;
+gdb_os_write_stdout (host_callback *p, const char *buf, int len)
{
int i;
char b[2];
/* GDB version of os_flush_stdout callback. */
static void
-gdb_os_flush_stdout (p)
- host_callback *p;
+gdb_os_flush_stdout (host_callback *p)
{
gdb_flush (gdb_stdtarg);
}
/* GDB version of os_write_stderr callback. */
static int
-gdb_os_write_stderr (p, buf, len)
- host_callback *p;
- const char *buf;
- int len;
+gdb_os_write_stderr (host_callback *p, const char *buf, int len)
{
int i;
char b[2];
{
b[0] = buf[i];
b[1] = 0;
- fputs_unfiltered (b, gdb_stdtarg);
+ fputs_unfiltered (b, gdb_stdtargerr);
}
return len;
}
/* GDB version of os_flush_stderr callback. */
static void
-gdb_os_flush_stderr (p)
- host_callback *p;
+gdb_os_flush_stderr (host_callback *p)
{
- gdb_flush (gdb_stderr);
+ gdb_flush (gdb_stdtargerr);
}
/* GDB version of printf_filtered callback. */
/* GDB version of error callback. */
static void
-gdb_os_error (host_callback * p, const char *format,...)
+gdb_os_error (host_callback * p, const char *format, ...)
{
- if (error_hook)
- (*error_hook) ();
- else
- {
- va_list args;
- va_start (args, format);
- verror (format, args);
- va_end (args);
- }
+ va_list args;
+ va_start (args, format);
+ verror (format, args);
+ va_end (args);
}
-#ifndef REGISTER_SIM_REGNO
-#define REGISTER_SIM_REGNO(N) (N)
-#endif
+int
+one2one_register_sim_regno (struct gdbarch *gdbarch, int regnum)
+{
+ /* Only makes sense to supply raw registers. */
+ gdb_assert (regnum >= 0 && regnum < gdbarch_num_regs (gdbarch));
+ return regnum;
+}
static void
-gdbsim_fetch_register (regno)
- int regno;
+gdbsim_fetch_register (struct target_ops *ops,
+ struct regcache *regcache, int regno)
{
- static int warn_user = 1;
+ struct gdbarch *gdbarch = get_regcache_arch (regcache);
if (regno == -1)
{
- for (regno = 0; regno < NUM_REGS; regno++)
- gdbsim_fetch_register (regno);
+ for (regno = 0; regno < gdbarch_num_regs (gdbarch); regno++)
+ gdbsim_fetch_register (ops, regcache, regno);
+ return;
}
- else if (REGISTER_NAME (regno) != NULL
- && *REGISTER_NAME (regno) != '\0')
+
+ switch (gdbarch_register_sim_regno (gdbarch, regno))
{
- char buf[MAX_REGISTER_RAW_SIZE];
- int nr_bytes;
- if (REGISTER_SIM_REGNO (regno) >= 0)
+ case LEGACY_SIM_REGNO_IGNORE:
+ break;
+ case SIM_REGNO_DOES_NOT_EXIST:
+ {
+ /* For moment treat a `does not exist' register the same way
+ as an ``unavailable'' register. */
+ char buf[MAX_REGISTER_SIZE];
+ int nr_bytes;
+ memset (buf, 0, MAX_REGISTER_SIZE);
+ regcache_raw_supply (regcache, regno, buf);
+ break;
+ }
+
+ default:
+ {
+ static int warn_user = 1;
+ char buf[MAX_REGISTER_SIZE];
+ int nr_bytes;
+ gdb_assert (regno >= 0 && regno < gdbarch_num_regs (gdbarch));
+ memset (buf, 0, MAX_REGISTER_SIZE);
nr_bytes = sim_fetch_register (gdbsim_desc,
- REGISTER_SIM_REGNO (regno),
- buf, REGISTER_RAW_SIZE (regno));
- else
- nr_bytes = 0;
- if (nr_bytes == 0)
- /* register not applicable, supply zero's */
- memset (buf, 0, MAX_REGISTER_RAW_SIZE);
- else if (nr_bytes > 0 && nr_bytes != REGISTER_RAW_SIZE (regno)
- && warn_user)
- {
- fprintf_unfiltered (gdb_stderr,
- "Size of register %s (%d/%d) incorrect (%d instead of %d))",
- REGISTER_NAME (regno),
- regno, REGISTER_SIM_REGNO (regno),
- nr_bytes, REGISTER_RAW_SIZE (regno));
- warn_user = 0;
- }
- supply_register (regno, buf);
- if (sr_get_debug ())
- {
- printf_filtered ("gdbsim_fetch_register: %d", regno);
- /* FIXME: We could print something more intelligible. */
- dump_mem (buf, REGISTER_RAW_SIZE (regno));
- }
+ gdbarch_register_sim_regno
+ (gdbarch, regno),
+ buf,
+ register_size (gdbarch, regno));
+ if (nr_bytes > 0
+ && nr_bytes != register_size (gdbarch, regno) && warn_user)
+ {
+ fprintf_unfiltered (gdb_stderr,
+ "Size of register %s (%d/%d) incorrect (%d instead of %d))",
+ gdbarch_register_name (gdbarch, regno),
+ regno,
+ gdbarch_register_sim_regno
+ (gdbarch, regno),
+ nr_bytes, register_size (gdbarch, regno));
+ warn_user = 0;
+ }
+ /* FIXME: cagney/2002-05-27: Should check `nr_bytes == 0'
+ indicating that GDB and the SIM have different ideas about
+ which registers are fetchable. */
+ /* Else if (nr_bytes < 0): an old simulator, that doesn't
+ think to return the register size. Just assume all is ok. */
+ regcache_raw_supply (regcache, regno, buf);
+ if (remote_debug)
+ {
+ printf_filtered ("gdbsim_fetch_register: %d", regno);
+ /* FIXME: We could print something more intelligible. */
+ dump_mem (buf, register_size (gdbarch, regno));
+ }
+ break;
+ }
}
}
static void
-gdbsim_store_register (regno)
- int regno;
+gdbsim_store_register (struct target_ops *ops,
+ struct regcache *regcache, int regno)
{
+ struct gdbarch *gdbarch = get_regcache_arch (regcache);
if (regno == -1)
{
- for (regno = 0; regno < NUM_REGS; regno++)
- gdbsim_store_register (regno);
+ for (regno = 0; regno < gdbarch_num_regs (gdbarch); regno++)
+ gdbsim_store_register (ops, regcache, regno);
+ return;
}
- else if (REGISTER_NAME (regno) != NULL
- && *REGISTER_NAME (regno) != '\0'
- && REGISTER_SIM_REGNO (regno) >= 0)
+ else if (gdbarch_register_sim_regno (gdbarch, regno) >= 0)
{
- char tmp[MAX_REGISTER_RAW_SIZE];
+ char tmp[MAX_REGISTER_SIZE];
int nr_bytes;
- read_register_gen (regno, tmp);
+ regcache_cooked_read (regcache, regno, tmp);
nr_bytes = sim_store_register (gdbsim_desc,
- REGISTER_SIM_REGNO (regno),
- tmp, REGISTER_RAW_SIZE (regno));
- if (nr_bytes > 0 && nr_bytes != REGISTER_RAW_SIZE (regno))
- internal_error ("Register size different to expected");
- if (sr_get_debug ())
+ gdbarch_register_sim_regno
+ (gdbarch, regno),
+ tmp, register_size (gdbarch, regno));
+ if (nr_bytes > 0 && nr_bytes != register_size (gdbarch, regno))
+ internal_error (__FILE__, __LINE__,
+ _("Register size different to expected"));
+ /* FIXME: cagney/2002-05-27: Should check `nr_bytes == 0'
+ indicating that GDB and the SIM have different ideas about
+ which registers are fetchable. */
+ if (remote_debug)
{
printf_filtered ("gdbsim_store_register: %d", regno);
/* FIXME: We could print something more intelligible. */
- dump_mem (tmp, REGISTER_RAW_SIZE (regno));
+ dump_mem (tmp, register_size (gdbarch, regno));
}
}
}
and releasing other resources acquired by the simulated program. */
static void
-gdbsim_kill ()
+gdbsim_kill (struct target_ops *ops)
{
- if (sr_get_debug ())
+ if (remote_debug)
printf_filtered ("gdbsim_kill\n");
/* There is no need to `kill' running simulator - the simulator is
- not running */
- inferior_pid = 0;
+ 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 (prog, fromtty)
- char *prog;
- int fromtty;
+gdbsim_load (char *args, int fromtty)
{
- if (sr_get_debug ())
- printf_filtered ("gdbsim_load: prog \"%s\"\n", prog);
+ char **argv;
+ char *prog;
+
+ if (args == NULL)
+ error_no_arg (_("program to load"));
+
+ argv = gdb_buildargv (args);
+ make_cleanup_freeargv (argv);
+
+ prog = tilde_expand (argv[0]);
- inferior_pid = 0;
+ if (argv[1] != NULL)
+ error (_("GDB sim does not yet support a load offset."));
+
+ if (remote_debug)
+ printf_filtered ("gdbsim_load: prog \"%s\"\n", prog);
/* 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. */
if (sim_load (gdbsim_desc, prog, NULL, fromtty) == SIM_RC_FAIL)
- error ("unable to load program");
+ error (_("unable to load program"));
/* FIXME: If a load command should reset the targets registers then
a call to sim_create_inferior() should go here. */
}
-/* Start an inferior process and set inferior_pid to its pid.
+/* Start an inferior process and set inferior_ptid to its pid.
EXEC_FILE is the file to run.
ARGS is a string containing the arguments to the program.
ENV is the environment vector to pass. Errors reported with error().
user types "run" after having attached. */
static void
-gdbsim_create_inferior (exec_file, args, env)
- char *exec_file;
- char *args;
- char **env;
+gdbsim_create_inferior (struct target_ops *target, char *exec_file, char *args,
+ char **env, int from_tty)
{
int len;
char *arg_buf, **argv;
if (exec_file == 0 || exec_bfd == 0)
- warning ("No executable file specified.");
+ warning (_("No executable file specified."));
if (!program_loaded)
- warning ("No program loaded.");
+ warning (_("No program loaded."));
- if (sr_get_debug ())
+ if (remote_debug)
printf_filtered ("gdbsim_create_inferior: exec_file \"%s\", args \"%s\"\n",
(exec_file ? exec_file : "(NULL)"),
args);
- gdbsim_kill ();
+ if (ptid_equal (inferior_ptid, remote_sim_ptid))
+ gdbsim_kill (target);
remove_breakpoints ();
init_wait_for_inferior ();
strcat (arg_buf, exec_file);
strcat (arg_buf, " ");
strcat (arg_buf, args);
- argv = buildargv (arg_buf);
+ argv = gdb_buildargv (arg_buf);
make_cleanup_freeargv (argv);
}
else
argv = NULL;
sim_create_inferior (gdbsim_desc, exec_bfd, argv, env);
- inferior_pid = 42;
+ inferior_ptid = remote_sim_ptid;
+ inferior_appeared (current_inferior (), ptid_get_pid (inferior_ptid));
+ add_thread_silent (inferior_ptid);
+
insert_breakpoints (); /* Needed to get correct instruction in cache */
clear_proceed_status ();
-
- /* NB: Entry point already set by sim_create_inferior. */
- proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 0);
}
/* The open routine takes the rest of the parameters from the command,
/* Called when selecting the simulator. EG: (gdb) target sim name. */
static void
-gdbsim_open (args, from_tty)
- char *args;
- int from_tty;
+gdbsim_open (char *args, int from_tty)
{
int len;
char *arg_buf;
char **argv;
- if (sr_get_debug ())
+ if (remote_debug)
printf_filtered ("gdbsim_open: args \"%s\"\n", args ? args : "(null)");
/* Remove current simulator if one exists. Only do this if the simulator
+ 50) /* slack */ ;
arg_buf = (char *) alloca (len);
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). */
- if (TARGET_BYTE_ORDER_SELECTABLE_P
- && !TARGET_BYTE_ORDER_AUTO)
+ /* Specify the byte order for the target when it is explicitly
+ specified by the user (not auto detected). */
+ switch (selected_byte_order ())
{
- switch (TARGET_BYTE_ORDER)
- {
- case BIG_ENDIAN:
- strcat (arg_buf, " -E big");
- break;
- case LITTLE_ENDIAN:
- strcat (arg_buf, " -E little");
- break;
- default:
- internal_error ("Value of TARGET_BYTE_ORDER unknown");
- }
+ case BFD_ENDIAN_BIG:
+ strcat (arg_buf, " -E big");
+ break;
+ case BFD_ENDIAN_LITTLE:
+ strcat (arg_buf, " -E little");
+ break;
+ case BFD_ENDIAN_UNKNOWN:
+ break;
}
/* Specify the architecture of the target when it has been
explicitly specified */
- if (!TARGET_ARCHITECTURE_AUTO)
+ if (selected_architecture_name () != NULL)
{
strcat (arg_buf, " --architecture=");
- strcat (arg_buf, TARGET_ARCHITECTURE->printable_name);
+ strcat (arg_buf, selected_architecture_name ());
}
/* finally, any explicit args */
if (args)
strcat (arg_buf, " "); /* 1 */
strcat (arg_buf, args);
}
- argv = buildargv (arg_buf);
- if (argv == NULL)
- error ("Insufficient memory available to allocate simulator arg list.");
+ argv = gdb_buildargv (arg_buf);
make_cleanup_freeargv (argv);
init_callbacks ();
gdbsim_desc = sim_open (SIM_OPEN_DEBUG, &gdb_callback, exec_bfd, argv);
if (gdbsim_desc == 0)
- error ("unable to create simulator instance");
+ 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;
}
/* Does whatever cleanup is required for a target that we are no longer
/* Close out all files and local state before this target loses control. */
static void
-gdbsim_close (quitting)
- int quitting;
+gdbsim_close (int quitting)
{
- if (sr_get_debug ())
+ if (remote_debug)
printf_filtered ("gdbsim_close: quitting %d\n", quitting);
program_loaded = 0;
end_callbacks ();
generic_mourn_inferior ();
+ delete_thread_silent (remote_sim_ptid);
+ delete_inferior_silent (ptid_get_pid (remote_sim_ptid));
}
/* Takes a program previously attached to and detaches it.
Use this when you want to detach and do something else with your gdb. */
static void
-gdbsim_detach (args, from_tty)
- char *args;
- int from_tty;
+gdbsim_detach (struct target_ops *ops, char *args, int from_tty)
{
- if (sr_get_debug ())
+ if (remote_debug)
printf_filtered ("gdbsim_detach: args \"%s\"\n", args);
pop_target (); /* calls gdbsim_close to do the real work */
static int resume_step;
static void
-gdbsim_resume (pid, step, siggnal)
- int pid, step;
- enum target_signal siggnal;
+gdbsim_resume (struct target_ops *ops,
+ ptid_t ptid, int step, enum target_signal siggnal)
{
- if (inferior_pid != 42)
- error ("The program is not being run.");
+ if (!ptid_equal (inferior_ptid, remote_sim_ptid))
+ error (_("The program is not being run."));
- if (sr_get_debug ())
+ if (remote_debug)
printf_filtered ("gdbsim_resume: step %d, signal %d\n", step, siggnal);
resume_siggnal = siggnal;
For simulators that do not support this operation, just abort */
static void
-gdbsim_stop ()
+gdbsim_stop (ptid_t ptid)
{
if (!sim_stop (gdbsim_desc))
{
}
/* GDB version of os_poll_quit callback.
- Taken from gdb/util.c - should be in a library */
+ Taken from gdb/util.c - should be in a library. */
static int
-gdb_os_poll_quit (p)
- host_callback *p;
+gdb_os_poll_quit (host_callback *p)
{
- if (ui_loop_hook != NULL)
- ui_loop_hook (0);
+ if (deprecated_ui_loop_hook != NULL)
+ deprecated_ui_loop_hook (0);
- notice_quit ();
if (quit_flag) /* gdb's idea of quit */
{
quit_flag = 0; /* we've stolen it */
just as `wait' would. */
static void
-gdbsim_cntrl_c (signo)
- int signo;
+gdbsim_cntrl_c (int signo)
{
- gdbsim_stop ();
+ gdbsim_stop (remote_sim_ptid);
}
-static int
-gdbsim_wait (pid, status)
- int pid;
- struct target_waitstatus *status;
+static ptid_t
+gdbsim_wait (struct target_ops *ops,
+ ptid_t ptid, struct target_waitstatus *status, int options)
{
static RETSIGTYPE (*prev_sigint) ();
int sigrc = 0;
enum sim_stop reason = sim_running;
- if (sr_get_debug ())
+ if (remote_debug)
printf_filtered ("gdbsim_wait\n");
#if defined (HAVE_SIGACTION) && defined (SA_RESTART)
#else
prev_sigint = signal (SIGINT, gdbsim_cntrl_c);
#endif
- sim_resume (gdbsim_desc, resume_step,
- target_signal_to_host (resume_siggnal));
+ sim_resume (gdbsim_desc, resume_step, resume_siggnal);
signal (SIGINT, prev_sigint);
resume_step = 0;
case sim_stopped:
switch (sigrc)
{
- case SIGABRT:
+ case TARGET_SIGNAL_ABRT:
quit ();
break;
- case SIGINT:
- case SIGTRAP:
+ case TARGET_SIGNAL_INT:
+ case TARGET_SIGNAL_TRAP:
default:
status->kind = TARGET_WAITKIND_STOPPED;
- /* The signal in sigrc is a host signal. That probably
- should be fixed. */
- status->value.sig = target_signal_from_host (sigrc);
+ status->value.sig = sigrc;
break;
}
break;
case sim_signalled:
status->kind = TARGET_WAITKIND_SIGNALLED;
- /* The signal in sigrc is a host signal. That probably
- should be fixed. */
- status->value.sig = target_signal_from_host (sigrc);
+ status->value.sig = sigrc;
break;
case sim_running:
case sim_polling:
break;
}
- return inferior_pid;
+ return inferior_ptid;
}
/* Get ready to modify the registers array. On machines which store
debugged. */
static void
-gdbsim_prepare_to_store ()
+gdbsim_prepare_to_store (struct regcache *regcache)
{
/* Do nothing, since we can store individual regs */
}
+/* Transfer LEN bytes between GDB address MYADDR and target address
+ MEMADDR. If WRITE is non-zero, transfer them to the target,
+ otherwise transfer them from the target. TARGET is unused.
+
+ Returns the number of bytes transferred. */
+
static int
-gdbsim_xfer_inferior_memory (memaddr, myaddr, len, write, target)
- CORE_ADDR memaddr;
- char *myaddr;
- int len;
- int write;
- struct target_ops *target; /* ignored */
+gdbsim_xfer_inferior_memory (CORE_ADDR memaddr, gdb_byte *myaddr, int len,
+ 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.");
+ error (_("No program loaded."));
- if (sr_get_debug ())
+ if (remote_debug)
{
/* FIXME: Send to something other than STDOUT? */
printf_filtered ("gdbsim_xfer_inferior_memory: myaddr 0x");
gdb_print_host_address (myaddr, gdb_stdout);
- printf_filtered (", memaddr 0x%s, len %d, write %d\n",
- paddr_nz (memaddr), len, write);
- if (sr_get_debug () && write)
+ printf_filtered (", memaddr %s, len %d, write %d\n",
+ paddress (target_gdbarch, memaddr), len, write);
+ if (remote_debug && write)
dump_mem (myaddr, len);
}
else
{
len = sim_read (gdbsim_desc, memaddr, myaddr, len);
- if (sr_get_debug () && len > 0)
+ if (remote_debug && len > 0)
dump_mem (myaddr, len);
}
return len;
}
static void
-gdbsim_files_info (target)
- struct target_ops *target;
+gdbsim_files_info (struct target_ops *target)
{
char *file = "nothing";
if (exec_bfd)
file = bfd_get_filename (exec_bfd);
- if (sr_get_debug ())
+ if (remote_debug)
printf_filtered ("gdbsim_files_info: file \"%s\"\n", file);
if (exec_bfd)
/* Clear the simulator's notion of what the break points are. */
static void
-gdbsim_mourn_inferior ()
+gdbsim_mourn_inferior (struct target_ops *target)
{
- if (sr_get_debug ())
+ if (remote_debug)
printf_filtered ("gdbsim_mourn_inferior:\n");
remove_breakpoints ();
generic_mourn_inferior ();
-}
-
-static int
-gdbsim_insert_breakpoint (addr, contents_cache)
- CORE_ADDR addr;
- char *contents_cache;
-{
-#ifdef SIM_HAS_BREAKPOINTS
- SIM_RC retcode;
-
- retcode = sim_set_breakpoint (gdbsim_desc, addr);
-
- switch (retcode)
- {
- case SIM_RC_OK:
- return 0;
- case SIM_RC_INSUFFICIENT_RESOURCES:
- return ENOMEM;
- default:
- return EIO;
- }
-#else
- return memory_insert_breakpoint (addr, contents_cache);
-#endif
-}
-
-static int
-gdbsim_remove_breakpoint (addr, contents_cache)
- CORE_ADDR addr;
- char *contents_cache;
-{
-#ifdef SIM_HAS_BREAKPOINTS
- SIM_RC retcode;
-
- retcode = sim_clear_breakpoint (gdbsim_desc, addr);
-
- switch (retcode)
- {
- case SIM_RC_OK:
- case SIM_RC_UNKNOWN_BREAKPOINT:
- return 0;
- case SIM_RC_INSUFFICIENT_RESOURCES:
- return ENOMEM;
- default:
- return EIO;
- }
-#else
- return memory_remove_breakpoint (addr, contents_cache);
-#endif
+ delete_thread_silent (remote_sim_ptid);
}
/* Pass the command argument through to the simulator verbatim. The
simulator must do any command interpretation work. */
void
-simulator_command (args, from_tty)
- char *args;
- int from_tty;
+simulator_command (char *args, int from_tty)
{
if (gdbsim_desc == NULL)
{
commands, is restricted to the period when the channel to the
simulator is open. */
- error ("Not connected to the simulator target");
+ error (_("Not connected to the simulator target"));
}
sim_do_command (gdbsim_desc, args);
registers_changed ();
}
+/* Check to see if a thread is still alive. */
+
+static int
+gdbsim_thread_alive (struct target_ops *ops, ptid_t ptid)
+{
+ if (ptid_equal (ptid, remote_sim_ptid))
+ /* The simulators' task is always alive. */
+ return 1;
+
+ return 0;
+}
+
+/* Convert a thread ID to a string. Returns the string in a static
+ buffer. */
+
+static char *
+gdbsim_pid_to_str (struct target_ops *ops, ptid_t ptid)
+{
+ static char buf[64];
+
+ if (ptid_equal (remote_sim_ptid, ptid))
+ {
+ xsnprintf (buf, sizeof buf, "Thread <main>");
+ return buf;
+ }
+
+ return normal_pid_to_str (ptid);
+}
+
/* Define the target subroutine names */
struct target_ops gdbsim_ops;
gdbsim_ops.to_doc = "Use the compiled-in simulator.";
gdbsim_ops.to_open = gdbsim_open;
gdbsim_ops.to_close = gdbsim_close;
- gdbsim_ops.to_attach = NULL;
- gdbsim_ops.to_post_attach = NULL;
- gdbsim_ops.to_require_attach = NULL;
gdbsim_ops.to_detach = gdbsim_detach;
- gdbsim_ops.to_require_detach = NULL;
gdbsim_ops.to_resume = gdbsim_resume;
gdbsim_ops.to_wait = gdbsim_wait;
- gdbsim_ops.to_post_wait = NULL;
gdbsim_ops.to_fetch_registers = gdbsim_fetch_register;
gdbsim_ops.to_store_registers = gdbsim_store_register;
gdbsim_ops.to_prepare_to_store = gdbsim_prepare_to_store;
- gdbsim_ops.to_xfer_memory = gdbsim_xfer_inferior_memory;
+ 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_terminal_init = NULL;
- gdbsim_ops.to_terminal_inferior = NULL;
- gdbsim_ops.to_terminal_ours_for_output = NULL;
- gdbsim_ops.to_terminal_ours = NULL;
- gdbsim_ops.to_terminal_info = NULL;
+ 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_lookup_symbol = NULL;
gdbsim_ops.to_create_inferior = gdbsim_create_inferior;
- gdbsim_ops.to_post_startup_inferior = NULL;
- gdbsim_ops.to_acknowledge_created_inferior = NULL;
- gdbsim_ops.to_clone_and_follow_inferior = NULL;
- gdbsim_ops.to_post_follow_inferior_by_clone = NULL;
- gdbsim_ops.to_insert_fork_catchpoint = NULL;
- gdbsim_ops.to_remove_fork_catchpoint = NULL;
- gdbsim_ops.to_insert_vfork_catchpoint = NULL;
- gdbsim_ops.to_remove_vfork_catchpoint = NULL;
- gdbsim_ops.to_has_forked = NULL;
- gdbsim_ops.to_has_vforked = NULL;
- gdbsim_ops.to_can_follow_vfork_prior_to_exec = NULL;
- gdbsim_ops.to_post_follow_vfork = NULL;
- gdbsim_ops.to_insert_exec_catchpoint = NULL;
- gdbsim_ops.to_remove_exec_catchpoint = NULL;
- gdbsim_ops.to_has_execd = NULL;
- gdbsim_ops.to_reported_exec_events_per_exec_call = NULL;
- gdbsim_ops.to_has_exited = NULL;
gdbsim_ops.to_mourn_inferior = gdbsim_mourn_inferior;
- gdbsim_ops.to_can_run = 0;
- gdbsim_ops.to_notice_signals = 0;
- gdbsim_ops.to_thread_alive = 0;
gdbsim_ops.to_stop = gdbsim_stop;
- gdbsim_ops.to_pid_to_exec_file = NULL;
- gdbsim_ops.to_core_file_to_sym_file = NULL;
+ gdbsim_ops.to_thread_alive = gdbsim_thread_alive;
+ gdbsim_ops.to_pid_to_str = gdbsim_pid_to_str;
gdbsim_ops.to_stratum = process_stratum;
- gdbsim_ops.DONT_USE = NULL;
- gdbsim_ops.to_has_all_memory = 1;
- gdbsim_ops.to_has_memory = 1;
- gdbsim_ops.to_has_stack = 1;
- gdbsim_ops.to_has_registers = 1;
- gdbsim_ops.to_has_execution = 1;
- gdbsim_ops.to_sections = NULL;
- gdbsim_ops.to_sections_end = NULL;
+ gdbsim_ops.to_has_all_memory = default_child_has_all_memory;
+ gdbsim_ops.to_has_memory = default_child_has_memory;
+ gdbsim_ops.to_has_stack = default_child_has_stack;
+ gdbsim_ops.to_has_registers = default_child_has_registers;
+ gdbsim_ops.to_has_execution = default_child_has_execution;
gdbsim_ops.to_magic = OPS_MAGIC;
-
-#ifdef TARGET_REDEFINE_DEFAULT_OPS
- TARGET_REDEFINE_DEFAULT_OPS (&gdbsim_ops);
-#endif
}
void
-_initialize_remote_sim ()
+_initialize_remote_sim (void)
{
init_gdbsim_ops ();
add_target (&gdbsim_ops);
- add_com ("sim <command>", class_obscure, simulator_command,
- "Send a command to the simulator.");
+ add_com ("sim", class_obscure, simulator_command,
+ _("Send a command to the simulator."));
+
+ /* Yes, 42000 is arbitrary. The only sense out of it, is that it
+ isn't 0. */
+ remote_sim_ptid = ptid_build (42000, 0, 42000);
}
projects / deliverable / binutils-gdb.git / blobdiff