/* 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 "regcache.h"
#include "reggroups.h"
#include "block.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
/* Environment to use for running inferior,
in format described in environ.h. */
-struct environ *inferior_environ;
+struct gdb_environ *inferior_environ;
\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)
{
/* Notice when `show args' is run. */
static void
-notice_args_read (char *args, int from_tty, struct cmd_list_element *c)
+notice_args_read (struct ui_file *file, int from_tty,
+ struct cmd_list_element *c, const char *value)
{
+ deprecated_show_value_hack (file, from_tty, c, value);
/* Might compute the value. */
get_inferior_args ();
}
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
}
}
+/* Implement the "run" command. If TBREAK_AT_MAIN is set, then insert
+ a temporary breakpoint at the begining of the main program before
+ running the program. */
+
static void
-run_command (char *args, int from_tty)
+run_command_1 (char *args, int from_tty, int tbreak_at_main)
{
char *exec_file;
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 ();
reopen_exec_file ();
reread_symbols ();
+ /* Insert the temporary breakpoint if a location was specified. */
+ if (tbreak_at_main)
+ tbreak_command (main_name (), 0);
+
exec_file = (char *) get_exec_file (0);
/* We keep symbols from add-symbol-file, on the grounds that the
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);
}
+static void
+run_command (char *args, int from_tty)
+{
+ run_command_1 (args, from_tty, 0);
+}
+
static void
run_no_args_command (char *args, int from_tty)
{
if (!have_minimal_symbols ())
error (_("No symbol table loaded. Use the \"file\" command."));
- /* If the inferior is already running, we want to ask the user if we
- should restart it or not before we insert the temporary breakpoint.
- This makes sure that this command doesn't have any side effect if
- the user changes its mind. */
- kill_if_already_running (from_tty);
-
- /* Insert the temporary breakpoint, and run... */
- tbreak_command (main_name (), 0);
- run_command (args, from_tty);
+ /* Run the program until reaching the main procedure... */
+ run_command_1 (args, from_tty, 1);
}
void
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;
{
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++)
{
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
*/
#ifdef CLEAR_SOLIB
CLEAR_SOLIB ();
+#else
+ clear_solib ();
#endif
target_attach (args, from_tty);
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);
- re_enable_breakpoints_in_shlibs ();
-#endif
-
/* 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 ();
void
_initialize_infcmd (void)
{
- struct cmd_list_element *c;
-
- c = add_com ("tty", class_run, tty_command,
- "Set terminal for future runs of program being debugged.");
- set_cmd_completer (c, filename_completer);
-
- c = add_set_cmd ("args", class_run, var_string_noescape,
- (char *) &inferior_args,
- "Set argument list to give program being debugged when it is started.\n\
-Follow this command with any number of args, to be passed to the program.",
- &setlist);
- set_cmd_completer (c, filename_completer);
- set_cmd_sfunc (c, notice_args_set);
- c = deprecated_add_show_from_set (c, &showlist);
- set_cmd_sfunc (c, notice_args_read);
+ struct cmd_list_element *c = NULL;
+
+ /* 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, _("\
+Set argument list to give program being debugged when it is started."), _("\
+Show argument list to give program being debugged when it is started."), _("\
+Follow this command with any number of args, to be passed to the program."),
+ notice_args_set,
+ notice_args_read,
+ &setlist, &showlist);
c = add_cmd ("environment", no_class, environment_info, _("\
The environment to give the program, or one variable's value.\n\
set_cmd_completer (c, noop_completer);
add_prefix_cmd ("unset", no_class, unset_command,
- "Complement to certain \"set\" commands.",
+ _("Complement to certain \"set\" commands."),
&unsetlist, "unset ", 0, &cmdlist);
c = add_cmd ("environment", class_run, unset_environment_command, _("\
&setlist);
set_cmd_completer (c, noop_completer);
- c = add_com ("path", class_files, path_command,
- "Add directory DIR(s) to beginning of search path for object files.\n\
+ c = add_com ("path", class_files, path_command, _("\
+Add directory DIR(s) to beginning of search path for object files.\n\
$cwd in the path means the current working directory.\n\
This path is equivalent to the $PATH shell variable. It is a list of\n\
directories, separated by colons. These directories are searched to find\n\
-fully linked executable files and separately compiled object files as needed.");
+fully linked executable files and separately compiled object files as needed."));
set_cmd_completer (c, filename_completer);
c = add_cmd ("paths", no_class, path_info, _("\
&showlist);
set_cmd_completer (c, noop_completer);
- add_com ("attach", class_run, attach_command,
- "Attach to a process or file outside of GDB.\n\
+ add_com ("attach", class_run, attach_command, _("\
+Attach to a process or file outside of GDB.\n\
This command attaches to another target, of the same type as your last\n\
\"target\" command (\"info files\" will show your target stack).\n\
The command may take as argument a process id or a device file.\n\
program running in the process, looking first in the current working\n\
directory, or (if not found there) using the source file search path\n\
(see the \"directory\" command). You can also use the \"file\" command\n\
-to specify the program, and to load its symbol table.");
+to specify the program, and to load its symbol table."));
- add_com ("detach", class_run, detach_command,
- "Detach a process or file previously attached.\n\
+ 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\
+ add_com ("disconnect", class_run, disconnect_command, _("\
+Disconnect from a target.\n\
The target will wait for another debugger to connect. Not available for\n\
-all targets.");
+all targets."));
- add_com ("signal", class_run, signal_command,
- "Continue program giving it signal specified by the argument.\n\
-An argument of \"0\" means continue program without giving it a signal.");
+ add_com ("signal", class_run, signal_command, _("\
+Continue program giving it signal specified by the argument.\n\
+An argument of \"0\" means continue program without giving it a signal."));
- add_com ("stepi", class_run, stepi_command,
- "Step one instruction exactly.\n\
-Argument N means do this N times (or till program stops for another reason).");
+ add_com ("stepi", class_run, stepi_command, _("\
+Step one instruction exactly.\n\
+Argument N means do this N times (or till program stops for another reason)."));
add_com_alias ("si", "stepi", class_alias, 0);
- add_com ("nexti", class_run, nexti_command,
- "Step one instruction, but proceed through subroutine calls.\n\
-Argument N means do this N times (or till program stops for another reason).");
+ add_com ("nexti", class_run, nexti_command, _("\
+Step one instruction, but proceed through subroutine calls.\n\
+Argument N means do this N times (or till program stops for another reason)."));
add_com_alias ("ni", "nexti", class_alias, 0);
- add_com ("finish", class_run, finish_command,
- "Execute until selected stack frame returns.\n\
-Upon return, the value returned is printed and put in the value history.");
+ add_com ("finish", class_run, finish_command, _("\
+Execute until selected stack frame returns.\n\
+Upon return, the value returned is printed and put in the value history."));
- add_com ("next", class_run, next_command,
- "Step program, proceeding through subroutine calls.\n\
+ add_com ("next", class_run, next_command, _("\
+Step program, proceeding through subroutine calls.\n\
Like the \"step\" command as long as subroutine calls do not happen;\n\
when they do, the call is treated as one instruction.\n\
-Argument N means do this N times (or till program stops for another reason).");
+Argument N means do this N times (or till program stops for another reason)."));
add_com_alias ("n", "next", class_run, 1);
if (xdb_commands)
add_com_alias ("S", "next", class_run, 1);
- add_com ("step", class_run, step_command,
- "Step program until it reaches a different source line.\n\
-Argument N means do this N times (or till program stops for another reason).");
+ add_com ("step", class_run, step_command, _("\
+Step program until it reaches a different source line.\n\
+Argument N means do this N times (or till program stops for another reason)."));
add_com_alias ("s", "step", class_run, 1);
- c = add_com ("until", class_run, until_command,
- "Execute until the program reaches a source line greater than the current\n\
-or a specified location (same args as break command) within the current frame.");
+ c = add_com ("until", class_run, until_command, _("\
+Execute until the program reaches a source line greater than the current\n\
+or a specified location (same args as break command) within the current frame."));
set_cmd_completer (c, location_completer);
add_com_alias ("u", "until", class_run, 1);
- c = add_com ("advance", class_run, advance_command,
- "Continue the program up to the given location (same form as args for break command).\n\
-Execution will also stop upon exit from the current stack frame.");
+ c = add_com ("advance", class_run, advance_command, _("\
+Continue the program up to the given location (same form as args for break command).\n\
+Execution will also stop upon exit from the current stack frame."));
set_cmd_completer (c, location_completer);
- c = add_com ("jump", class_run, jump_command,
- "Continue program being debugged at specified line or address.\n\
+ c = add_com ("jump", class_run, jump_command, _("\
+Continue program being debugged at specified line or address.\n\
Give as argument either LINENUM or *ADDR, where ADDR is an expression\n\
-for an address to start at.");
+for an address to start at."));
set_cmd_completer (c, location_completer);
if (xdb_commands)
{
- c = add_com ("go", class_run, go_command,
- "Usage: go <location>\n\
+ c = add_com ("go", class_run, go_command, _("\
+Usage: go <location>\n\
Continue program being debugged, stopping at specified line or \n\
address.\n\
Give as argument either LINENUM or *ADDR, where ADDR is an \n\
expression for an address to start at.\n\
-This command is a combination of tbreak and jump.");
+This command is a combination of tbreak and jump."));
set_cmd_completer (c, location_completer);
}
if (xdb_commands)
add_com_alias ("g", "go", class_run, 1);
- add_com ("continue", class_run, continue_command,
- "Continue program being debugged, after signal or breakpoint.\n\
+ add_com ("continue", class_run, continue_command, _("\
+Continue program being debugged, after signal or breakpoint.\n\
If proceeding from breakpoint, a number N may be used as an argument,\n\
which means to set the ignore count of that breakpoint to N - 1 (so that\n\
-the breakpoint won't break until the Nth time it is reached).");
+the breakpoint won't break until the Nth time it is reached)."));
add_com_alias ("c", "cont", class_run, 1);
add_com_alias ("fg", "cont", class_run, 1);
- c = add_com ("run", class_run, run_command,
- "Start debugged program. You may specify arguments to give it.\n\
+ c = add_com ("run", class_run, run_command, _("\
+Start debugged program. You may specify arguments to give it.\n\
Args may include \"*\", or \"[...]\"; they are expanded using \"sh\".\n\
Input and output redirection with \">\", \"<\", or \">>\" are also allowed.\n\n\
With no arguments, uses arguments last specified (with \"run\" or \"set args\").\n\
To cancel previous arguments and run with no arguments,\n\
-use \"set args\" without arguments.");
+use \"set args\" without arguments."));
set_cmd_completer (c, filename_completer);
add_com_alias ("r", "run", class_run, 1);
if (xdb_commands)
add_com ("R", class_run, run_no_args_command,
- "Start debugged program with no arguments.");
+ _("Start debugged program with no arguments."));
- c = add_com ("start", class_run, start_command,
- "\
+ c = add_com ("start", class_run, start_command, _("\
Run the debugged program until the beginning of the main procedure.\n\
You may specify arguments to give to your program, just as with the\n\
-\"run\" command.");
+\"run\" command."));
set_cmd_completer (c, filename_completer);
add_com ("interrupt", class_run, interrupt_target_command,
- "Interrupt the execution of the debugged program.");
+ _("Interrupt the execution of the debugged program."));
- add_info ("registers", nofp_registers_info,
- "List of integer registers and their contents, for selected stack frame.\n\
-Register name as argument means describe only that register.");
+ add_info ("registers", nofp_registers_info, _("\
+List of integer registers and their contents, for selected stack frame.\n\
+Register name as argument means describe only that register."));
add_info_alias ("r", "registers", 1);
if (xdb_commands)
- add_com ("lr", class_info, nofp_registers_info,
- "List of integer registers and their contents, for selected stack frame.\n\
- Register name as argument means describe only that register.");
- add_info ("all-registers", all_registers_info,
- "List of all registers and their contents, for selected stack frame.\n\
-Register name as argument means describe only that register.");
+ add_com ("lr", class_info, nofp_registers_info, _("\
+List of integer registers and their contents, for selected stack frame.\n\
+Register name as argument means describe only that register."));
+ add_info ("all-registers", all_registers_info, _("\
+List of all registers and their contents, for selected stack frame.\n\
+Register name as argument means describe only that register."));
add_info ("program", program_info,
- "Execution status of the program.");
+ _("Execution status of the program."));
add_info ("float", float_info,
- "Print the status of the floating point unit\n");
+ _("Print the status of the floating point unit\n"));
add_info ("vector", vector_info,
- "Print the status of the vector unit\n");
+ _("Print the status of the vector unit\n"));
inferior_environ = make_environ ();
init_environ (inferior_environ);
projects / deliverable / binutils-gdb.git / blobdiff