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2012-03-07 Pedro Alves <palves@redhat.com>

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gdb/doc/
	* gdb.texinfo (General Query Packets): Document new
	QProgramSignals packet.
	* gdb.texinfo (Remote configuration): Mention
	"program-signals-packet".

	gdb/gdbserver/
	* linux-low.c (get_detach_signal): New.
	(linux_detach_one_lwp): Get rid of a pending SIGSTOP with SIGCONT.
	Pass on pending signals to PTRACE_DETACH.  Check the result of the
	ptrace call.
	* server.c (program_signals, program_signals_p): New.
	(handle_general_set): Handle QProgramSignals.
	* server.h (program_signals, program_signals_p): Declare.

	gdb/
	* NEWS: Mention QProgramSignals.
	* inferior.h (update_signals_program_target): Declare.
	* infrun.c: (update_signals_program_target): New.
	(handle_command): Update the target of the new program signals
	array changes.
	* remote.c (PACKET_QProgramSignals): New enum.
	(last_program_signals_packet): New global.
	(remote_program_signals): New.
	(remote_start_remote): Update the target with the program signals
	list.
	(remote_protocol_features): Add entry for QPassSignals.
	(remote_open_1): Free anc clear last_program_signals_packet.
	(init_remote_ops): Install remote_program_signals.
	* target.c (update_current_target): Adjust.
	(target_program_signals): New.
	* target.h (struct target_ops) <to_program_signals>: New field.
	(target_program_signals): Declare.
This commit is contained in:
Pedro Alves
2012-03-07 19:25:39 +00:00
parent 74c48cbbff
commit 9b224c5e1a
13 changed files with 359 additions and 9 deletions
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20
gdb/target.h
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@ -511,6 +511,10 @@ struct target_ops
target_* macro. */
void (*to_pass_signals) (int, unsigned char *);
/* Documentation of this routine is provided with the
corresponding target_* function. */
void (*to_program_signals) (int, unsigned char *);
int (*to_thread_alive) (struct target_ops *, ptid_t ptid);
void (*to_find_new_threads) (struct target_ops *);
char *(*to_pid_to_str) (struct target_ops *, ptid_t);
@ -1261,6 +1265,22 @@ void target_mourn_inferior (void);
extern void target_pass_signals (int nsig, unsigned char *pass_signals);
/* Set list of signals the target may pass to the inferior. This
directly maps to the "handle SIGNAL pass/nopass" setting.
PROGRAM_SIGNALS is an array of size NSIG, indexed by target signal
number (enum target_signal). For every signal whose entry in this
array is non-zero, the target is allowed to pass the signal to the
inferior. Signals not present in the array shall be silently
discarded. This does not influence whether to pass signals to the
inferior as a result of a target_resume call. This is useful in
scenarios where the target needs to decide whether to pass or not a
signal to the inferior without GDB core involvement, such as for
example, when detaching (as threads may have been suspended with
pending signals not reported to GDB). */
extern void target_program_signals (int nsig, unsigned char *program_signals);
/* Check to see if a thread is still alive. */
extern int target_thread_alive (ptid_t ptid);