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* config/i386/nm-cygwin.h (ATTACH_NO_WAIT): Delete.

Browse source 
* config/i386/nm-i386gnu.h (ATTACH_NO_WAIT): Delete.

	* target.h (struct target_ops): Add to_attach_no_wait member.
	(target_attach_no_wait): New.
	* target.c (update_current_target): Inherit to_attach_no_wait.

	* infcmd.c: Replace ATTACH_NO_WAIT compile time check by
	target_attach_no_wait runtime check.

	* gnu-nat.c (init_gnu_ops): Set to_attach_no_wait in gnu_ops.
	* win32-nat.c (init_win32_ops): Set to_attach_no_wait in
	win32_ops.
This commit is contained in:
Pedro Alves 2008-07-03 17:38:08 +00:00
parent caac88966e
commit dc177b7a51
9 changed files with 59 additions and 33 deletions
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16
gdb/ChangeLog
View file

@ -1,3 +1,19 @@
2008-07-03 Pedro Alves <pedro@codesourcery.com>
* config/i386/nm-cygwin.h (ATTACH_NO_WAIT): Delete.
* config/i386/nm-i386gnu.h (ATTACH_NO_WAIT): Delete.
* target.h (struct target_ops): Add to_attach_no_wait member.
(target_attach_no_wait): New.
* target.c (update_current_target): Inherit to_attach_no_wait.
* infcmd.c: Replace ATTACH_NO_WAIT compile time check by
target_attach_no_wait runtime check.
* gnu-nat.c (init_gnu_ops): Set to_attach_no_wait in gnu_ops.
* win32-nat.c (init_win32_ops): Set to_attach_no_wait in
win32_ops.
2008-07-03 Pedro Alves <pedro@codesourcery.com>
* i386-tdep.c (i386_displaced_step_fixup): Condition log printing

1
gdb/config/i386/nm-cygwin.h
View file

@ -16,7 +16,6 @@
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#define ATTACH_NO_WAIT
#define ADD_SHARED_SYMBOL_FILES dll_symbol_command
void dll_symbol_command (char *, int);

3
gdb/config/i386/nm-i386gnu.h
View file

@ -26,9 +26,6 @@
extern char *gnu_target_pid_to_str (int pid);
/* Don't do wait_for_inferior on attach. */
#define ATTACH_NO_WAIT
/* Thread flavors used in re-setting the T bit. */
#define THREAD_STATE_FLAVOR i386_REGS_SEGS_STATE
#define THREAD_STATE_SIZE i386_THREAD_STATE_COUNT

1
gdb/gnu-nat.c
View file

@ -2592,6 +2592,7 @@ init_gnu_ops (void)
gnu_ops.to_doc = "GNU Hurd process"; /* to_doc */
gnu_ops.to_open = gnu_open; /* to_open */
gnu_ops.to_attach = gnu_attach; /* to_attach */
gnu_ops.to_attach_no_wait = 1; /* to_attach_no_wait */
gnu_ops.to_detach = gnu_detach; /* to_detach */
gnu_ops.to_resume = gnu_resume; /* to_resume */
gnu_ops.to_wait = gnu_wait; /* to_wait */

60
gdb/infcmd.c
View file

@ -2015,39 +2015,41 @@ attach_command (char *args, int from_tty)
init_wait_for_inferior ();
clear_proceed_status ();
/* No traps are generated when attaching to inferior under Mach 3
or GNU hurd. */
#ifndef ATTACH_NO_WAIT
/* Careful here. See comments in inferior.h. Basically some OSes
don't ignore SIGSTOPs on continue requests anymore. We need a
way for handle_inferior_event to reset the stop_signal variable
after an attach, and this is what STOP_QUIETLY_NO_SIGSTOP is for. */
stop_soon = STOP_QUIETLY_NO_SIGSTOP;
if (target_can_async_p ())
/* Some system don't generate traps when attaching to inferior.
E.g. Mach 3 or GNU hurd. */
if (!target_attach_no_wait)
{
/* sync_execution mode. Wait for stop. */
struct continuation_arg *arg1, *arg2, *arg3;
/* Careful here. See comments in inferior.h. Basically some
OSes don't ignore SIGSTOPs on continue requests anymore. We
need a way for handle_inferior_event to reset the stop_signal
variable after an attach, and this is what
STOP_QUIETLY_NO_SIGSTOP is for. */
stop_soon = STOP_QUIETLY_NO_SIGSTOP;
arg1 =
(struct continuation_arg *) xmalloc (sizeof (struct continuation_arg));
arg2 =
(struct continuation_arg *) xmalloc (sizeof (struct continuation_arg));
arg3 =
(struct continuation_arg *) xmalloc (sizeof (struct continuation_arg));
arg1->next = arg2;
arg2->next = arg3;
arg3->next = NULL;
arg1->data.pointer = args;
arg2->data.integer = from_tty;
arg3->data.integer = async_exec;
add_continuation (attach_command_continuation, arg1);
return;
if (target_can_async_p ())
{
/* sync_execution mode. Wait for stop. */
struct continuation_arg *arg1, *arg2, *arg3;
arg1 =
(struct continuation_arg *) xmalloc (sizeof (struct continuation_arg));
arg2 =
(struct continuation_arg *) xmalloc (sizeof (struct continuation_arg));
arg3 =
(struct continuation_arg *) xmalloc (sizeof (struct continuation_arg));
arg1->next = arg2;
arg2->next = arg3;
arg3->next = NULL;
arg1->data.pointer = args;
arg2->data.integer = from_tty;
arg3->data.integer = async_exec;
add_continuation (attach_command_continuation, arg1);
return;
}
wait_for_inferior (0);
}
wait_for_inferior (0);
#endif
attach_command_post_wait (args, from_tty, async_exec);
}

1
gdb/target.c
View file

@ -405,6 +405,7 @@ update_current_target (void)
INHERIT (to_close, t);
INHERIT (to_attach, t);
INHERIT (to_post_attach, t);
INHERIT (to_attach_no_wait, t);
INHERIT (to_detach, t);
/* Do not inherit to_disconnect. */
INHERIT (to_resume, t);

8
gdb/target.h
View file

@ -412,6 +412,7 @@ struct target_ops
int to_has_registers;
int to_has_execution;
int to_has_thread_control; /* control thread execution */
int to_attach_no_wait;
struct section_table
*to_sections;
struct section_table
@ -564,6 +565,13 @@ void target_close (struct target_ops *targ, int quitting);
#define target_attach(args, from_tty) \
(*current_target.to_attach) (args, from_tty)
/* Some targets don't generate traps when attaching to the inferior,
or their target_attach implementation takes care of the waiting.
These targets must set to_attach_no_wait. */
#define target_attach_no_wait \
(current_target.to_attach_no_wait)
/* The target_attach operation places a process under debugger control,
and stops the process.

1
gdb/win32-nat.c
View file

@ -2085,6 +2085,7 @@ init_win32_ops (void)
win32_ops.to_open = win32_open;
win32_ops.to_close = win32_close;
win32_ops.to_attach = win32_attach;
win32_ops.to_attach_no_wait = 1;
win32_ops.to_detach = win32_detach;
win32_ops.to_resume = win32_resume;
win32_ops.to_wait = win32_wait;

1
gdb/windows-nat.c
View file

@ -2085,6 +2085,7 @@ init_win32_ops (void)
win32_ops.to_open = win32_open;
win32_ops.to_close = win32_close;
win32_ops.to_attach = win32_attach;
win32_ops.to_attach_no_wait = 1;
win32_ops.to_detach = win32_detach;
win32_ops.to_resume = win32_resume;
win32_ops.to_wait = win32_wait;