/* Memory-access and commands for "inferior" process, for GDB.
- Copyright 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
- 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
+ Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995,
+ 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
Free Software Foundation, Inc.
This file is part of GDB.
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. */
+ Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA. */
#include "defs.h"
#include <signal.h>
#include "solib.h"
#include <ctype.h>
#include "gdb_assert.h"
+#include "observer.h"
+#include "target-descriptions.h"
/* Functions exported for general use, in inferior.h: */
/* File name for default use for standard in/out in the inferior. */
-char *inferior_io_terminal;
+static char *inferior_io_terminal;
/* Pid of our debugged inferior, or 0 if no inferior now.
Since various parts of infrun.c test this to see whether there is a program
\f
/* Accessor routines. */
+void
+set_inferior_io_terminal (const char *terminal_name)
+{
+ if (inferior_io_terminal)
+ xfree (inferior_io_terminal);
+
+ if (!terminal_name)
+ inferior_io_terminal = NULL;
+ else
+ inferior_io_terminal = savestring (terminal_name, strlen (terminal_name));
+}
+
+const char *
+get_inferior_io_terminal (void)
+{
+ return inferior_io_terminal;
+}
+
char *
get_inferior_args (void)
{
if (file == 0)
error_no_arg (_("terminal name for running target process"));
- inferior_io_terminal = savestring (file, strlen (file));
+ set_inferior_io_terminal (file);
+}
+
+/* Common actions to take after creating any sort of inferior, by any
+ means (running, attaching, connecting, et cetera). The target
+ should be stopped. */
+
+void
+post_create_inferior (struct target_ops *target, int from_tty)
+{
+ /* If the target hasn't taken care of this already, do it now.
+ Targets which need to access registers during to_open,
+ to_create_inferior, or to_attach should do it earlier; but many
+ don't need to. */
+ target_find_description ();
+
+ if (exec_bfd)
+ {
+ /* Sometimes the platform-specific hook loads initial shared
+ libraries, and sometimes it doesn't. Try to do so first, so
+ that we can add them with the correct value for FROM_TTY. */
+#ifdef SOLIB_ADD
+ SOLIB_ADD (NULL, from_tty, target, auto_solib_add);
+#else
+ solib_add (NULL, from_tty, target, auto_solib_add);
+#endif
+
+ /* Create the hooks to handle shared library load and unload
+ events. */
+#ifdef SOLIB_CREATE_INFERIOR_HOOK
+ SOLIB_CREATE_INFERIOR_HOOK (PIDGET (inferior_ptid));
+#else
+ solib_create_inferior_hook ();
+#endif
+
+ /* Enable any breakpoints which were disabled when the
+ underlying shared library was deleted. */
+ re_enable_breakpoints_in_shlibs ();
+ }
+
+ observer_notify_inferior_created (target, from_tty);
}
/* Kill the inferior if already running. This function is designed
kill_if_already_running (from_tty);
clear_breakpoint_hit_counts ();
+ /* Clean up any leftovers from other runs. Some other things from
+ this function should probably be moved into target_pre_inferior. */
+ target_pre_inferior (from_tty);
+
/* Purge old solib objfiles. */
objfile_purge_solibs ();
the value now. */
target_create_inferior (exec_file, get_inferior_args (),
environ_vector (inferior_environ), from_tty);
+
+ post_create_inferior (¤t_target, from_tty);
+
+ /* Start the target running. */
+ proceed ((CORE_ADDR) -1, TARGET_SIGNAL_0, 0);
}
struct ui_stream *stb;
struct value *value;
+ CHECK_TYPEDEF (value_type);
gdb_assert (TYPE_CODE (value_type) != TYPE_CODE_VOID);
/* FIXME: 2003-09-27: When returning from a nested inferior function
{
case RETURN_VALUE_REGISTER_CONVENTION:
case RETURN_VALUE_ABI_RETURNS_ADDRESS:
+ case RETURN_VALUE_ABI_PRESERVES_ADDRESS:
value = allocate_value (value_type);
- CHECK_TYPEDEF (value_type);
gdbarch_return_value (current_gdbarch, value_type, stop_registers,
value_contents_raw (value), NULL);
break;
error (_("The \"finish\" command does not take any arguments."));
if (!target_has_execution)
error (_("The program is not running."));
- if (deprecated_selected_frame == NULL)
- error (_("No selected frame."));
- frame = get_prev_frame (deprecated_selected_frame);
+ frame = get_prev_frame (get_selected_frame (_("No selected frame.")));
if (frame == 0)
error (_("\"finish\" not meaningful in the outermost frame."));
/* Find the function we will return from. */
- function = find_pc_function (get_frame_pc (deprecated_selected_frame));
+ function = find_pc_function (get_frame_pc (get_selected_frame (NULL)));
/* Print info on the selected frame, including level number but not
source. */
{
int i;
const int numregs = NUM_REGS + NUM_PSEUDO_REGS;
- char buffer[MAX_REGISTER_SIZE];
+ gdb_byte buffer[MAX_REGISTER_SIZE];
for (i = 0; i < numregs; i++)
{
void
registers_info (char *addr_exp, int fpregs)
{
+ struct frame_info *frame;
int regnum, numregs;
char *end;
if (!target_has_registers)
error (_("The program has no registers now."));
- if (deprecated_selected_frame == NULL)
- error (_("No selected frame."));
+ frame = get_selected_frame (NULL);
if (!addr_exp)
{
gdbarch_print_registers_info (current_gdbarch, gdb_stdout,
- deprecated_selected_frame, -1, fpregs);
+ frame, -1, fpregs);
return;
}
/* A register name? */
{
- int regnum = frame_map_name_to_regnum (deprecated_selected_frame,
+ int regnum = frame_map_name_to_regnum (frame,
start, end - start);
if (regnum >= 0)
{
gdbarch_print_registers_info (current_gdbarch, gdb_stdout,
- deprecated_selected_frame, regnum, fpregs);
+ frame, regnum, fpregs);
continue;
}
}
&& regnum < NUM_REGS + NUM_PSEUDO_REGS)
{
gdbarch_print_registers_info (current_gdbarch, gdb_stdout,
- deprecated_selected_frame, regnum, fpregs);
+ frame, regnum, fpregs);
continue;
}
}
if (gdbarch_register_reggroup_p (current_gdbarch, regnum,
group))
gdbarch_print_registers_info (current_gdbarch,
- gdb_stdout, deprecated_selected_frame,
+ gdb_stdout, frame,
regnum, fpregs);
}
continue;
print_vector_info (struct gdbarch *gdbarch, struct ui_file *file,
struct frame_info *frame, const char *args)
{
- if (!target_has_registers)
- error (_("The program has no registers now."));
- if (deprecated_selected_frame == NULL)
- error (_("No selected frame."));
-
if (gdbarch_print_vector_info_p (gdbarch))
gdbarch_print_vector_info (gdbarch, file, frame, args);
else
static void
vector_info (char *args, int from_tty)
{
- print_vector_info (current_gdbarch, gdb_stdout, deprecated_selected_frame, args);
+ if (!target_has_registers)
+ error (_("The program has no registers now."));
+
+ print_vector_info (current_gdbarch, gdb_stdout,
+ get_selected_frame (NULL), args);
}
\f
error (_("Not killed."));
}
+ /* Clean up any leftovers from other runs. Some other things from
+ this function should probably be moved into target_pre_inferior. */
+ target_pre_inferior (from_tty);
+
/* Clear out solib state. Otherwise the solib state of the previous
inferior might have survived and is entirely wrong for the new
- target. This has been observed on Linux using glibc 2.3. How to
- reproduce:
+ target. This has been observed on GNU/Linux using glibc 2.3. How
+ to reproduce:
bash$ ./foo&
[1] 4711
reread_symbols ();
}
-#ifdef SOLIB_ADD
- /* Add shared library symbols from the newly attached process, if any. */
- SOLIB_ADD ((char *) 0, from_tty, ¤t_target, auto_solib_add);
-#else
- solib_add (NULL, from_tty, ¤t_target, auto_solib_add);
-#endif
- re_enable_breakpoints_in_shlibs ();
-
/* Take any necessary post-attaching actions for this platform.
*/
target_post_attach (PIDGET (inferior_ptid));
+ post_create_inferior (¤t_target, from_tty);
+
/* Install inferior's terminal modes. */
target_terminal_inferior ();
print_float_info (struct gdbarch *gdbarch, struct ui_file *file,
struct frame_info *frame, const char *args)
{
- if (!target_has_registers)
- error (_("The program has no registers now."));
- if (deprecated_selected_frame == NULL)
- error (_("No selected frame."));
-
if (gdbarch_print_float_info_p (gdbarch))
gdbarch_print_float_info (gdbarch, file, frame, args);
else
static void
float_info (char *args, int from_tty)
{
+ if (!target_has_registers)
+ error (_("The program has no registers now."));
+
print_float_info (current_gdbarch, gdb_stdout,
- deprecated_selected_frame, args);
+ get_selected_frame (NULL), args);
}
\f
static void
void
_initialize_infcmd (void)
{
- struct cmd_list_element *c;
+ struct cmd_list_element *c = NULL;
- c = add_com ("tty", class_run, tty_command,
- _("Set terminal for future runs of program being debugged."));
- set_cmd_completer (c, filename_completer);
+ /* add the filename of the terminal connected to inferior I/O */
+ add_setshow_filename_cmd ("inferior-tty", class_run,
+ &inferior_io_terminal, _("\
+Set terminal for future runs of program being debugged."), _("\
+Show terminal for future runs of program being debugged."), _("\
+Usage: set inferior-tty /dev/pts/1"), NULL, NULL, &setlist, &showlist);
+ add_com_alias ("tty", "set inferior-tty", class_alias, 0);
add_setshow_optional_filename_cmd ("args", class_run,
&inferior_args, _("\
(see the \"directory\" command). You can also use the \"file\" command\n\
to specify the program, and to load its symbol table."));
- add_com ("detach", class_run, detach_command, _("\
+ add_prefix_cmd ("detach", class_run, detach_command, _("\
Detach a process or file previously attached.\n\
If a process, it is no longer traced, and it continues its execution. If\n\
-you were debugging a file, the file is closed and gdb no longer accesses it."));
+you were debugging a file, the file is closed and gdb no longer accesses it."),
+ &detachlist, "detach ", 0, &cmdlist);
add_com ("disconnect", class_run, disconnect_command, _("\
Disconnect from a target.\n\
projects / deliverable / binutils-gdb.git / blobdiff