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2009-06-19 Aleksandar Ristovski <aristovski@qnx.com> 

Pedro Alves <pedro@codesourcery.com>

	* target.h (struct target_ops) <supports_multi_process>: New
	callback.
	(target_supports_multi_process): New.
	* server.c (handle_query): Even if GDB reports support, only
	enable multi-process if the target also supports it.  Report
	multi-process support only if the target backend supports it.
	* linux-low.c (linux_supports_multi_process): New function.
	(linux_target_ops): Install it as target_supports_multi_process
	callback.
This commit is contained in:
Pedro Alves 2009-06-19 13:35:35 +00:00
parent 5e7c27a607
commit cf8fd78b38
4 changed files with 35 additions and 3 deletions
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13
gdb/gdbserver/ChangeLog
View File

@ -1,3 +1,16 @@
2009-06-19 Aleksandar Ristovski <aristovski@qnx.com>
Pedro Alves <pedro@codesourcery.com>
* target.h (struct target_ops) <supports_multi_process>: New
callback.
(target_supports_multi_process): New.
* server.c (handle_query): Even if GDB reports support, only
enable multi-process if the target also supports it. Report
multi-process support only if the target backend supports it.
* linux-low.c (linux_supports_multi_process): New function.
(linux_target_ops): Install it as target_supports_multi_process
callback.
2009-05-24 Doug Evans <dje@google.com>
Global renaming of find_thread_pid to find_thread_ptid.

7
gdb/gdbserver/linux-low.c
View File

@ -3008,6 +3008,12 @@ linux_start_non_stop (int nonstop)
return 0;
}
static int
linux_supports_multi_process (void)
{
return 1;
}
static struct target_ops linux_target_ops = {
linux_create_inferior,
linux_attach,
@ -3045,6 +3051,7 @@ static struct target_ops linux_target_ops = {
linux_supports_non_stop,
linux_async,
linux_start_non_stop,
linux_supports_multi_process
};
static void

11
gdb/gdbserver/server.c
View File

@ -1074,9 +1074,13 @@ handle_query (char *own_buf, int packet_len, int *new_packet_len_p)
p != NULL;
p = strtok (NULL, ";"))
{
/* Record if GDB knows about multiprocess support. */
if (strcmp (p, "multiprocess+") == 0)
multi_process = 1;
{
/* GDB supports and wants multi-process support if
possible. */
if (target_supports_multi_process ())
multi_process = 1;
}
}
sprintf (own_buf, "PacketSize=%x;QPassSignals+", PBUFSIZ - 1);
@ -1106,7 +1110,8 @@ handle_query (char *own_buf, int packet_len, int *new_packet_len_p)
if (the_target->qxfer_osdata != NULL)
strcat (own_buf, ";qXfer:osdata:read+");
strcat (own_buf, ";multiprocess+");
if (target_supports_multi_process ())
strcat (own_buf, ";multiprocess+");
if (target_supports_non_stop ())
strcat (own_buf, ";QNonStop+");

7
gdb/gdbserver/target.h
View File

@ -275,6 +275,9 @@ struct target_ops
/* Switch to non-stop (1) or all-stop (0) mode. Return 0 on
success, -1 otherwise. */
int (*start_non_stop) (int);
/* Returns true if the target supports multi-process debugging. */
int (*supports_multi_process) (void);
};
extern struct target_ops *the_target;
@ -311,6 +314,10 @@ void set_target_ops (struct target_ops *);
#define target_async(enable) \
(the_target->async ? (*the_target->async) (enable) : 0)
#define target_supports_multi_process() \
(the_target->supports_multi_process ? \
(*the_target->supports_multi_process) () : 0)
/* Start non-stop mode, returns 0 on success, -1 on failure. */
int start_non_stop (int nonstop);