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record-btrace: add to_wait and to_resume target methods. 

Add simple to_wait and to_resume target methods that prevent stepping when the
current replay position is not at the end of the execution log.

2014-01-16  Markus Metzger  <markus.t.metzger@intel.com>

	* record-btrace.c (record_btrace_resume): New.
	(record_btrace_wait): New.
	(init_record_btrace_ops): Initialize to_wait and to_resume.
This commit is contained in:
Markus Metzger 2013-03-25 15:44:43 +01:00
parent 633785ff28
commit b2f4cfdebc
2 changed files with 47 additions and 0 deletions
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6
gdb/ChangeLog
View File

@ -1,3 +1,9 @@
2014-01-16 Markus Metzger <markus.t.metzger@intel.com>
* record-btrace.c (record_btrace_resume): New.
(record_btrace_wait): New.
(init_record_btrace_ops): Initialize to_wait and to_resume.
2014-01-16 Markus Metzger <markus.t.metzger@intel.com>
* record-btrace.c (record_btrace_xfer_partial)

41
gdb/record-btrace.c
View File

@ -1011,6 +1011,45 @@ static const struct frame_unwind record_btrace_frame_unwind =
NULL,
record_btrace_frame_sniffer
};
/* The to_resume method of target record-btrace. */
static void
record_btrace_resume (struct target_ops *ops, ptid_t ptid, int step,
enum gdb_signal signal)
{
/* As long as we're not replaying, just forward the request. */
if (!record_btrace_is_replaying ())
{
for (ops = ops->beneath; ops != NULL; ops = ops->beneath)
if (ops->to_resume != NULL)
return ops->to_resume (ops, ptid, step, signal);
error (_("Cannot find target for stepping."));
}
error (_("You can't do this from here. Do 'record goto end', first."));
}
/* The to_wait method of target record-btrace. */
static ptid_t
record_btrace_wait (struct target_ops *ops, ptid_t ptid,
struct target_waitstatus *status, int options)
{
/* As long as we're not replaying, just forward the request. */
if (!record_btrace_is_replaying ())
{
for (ops = ops->beneath; ops != NULL; ops = ops->beneath)
if (ops->to_wait != NULL)
return ops->to_wait (ops, ptid, status, options);
error (_("Cannot find target for waiting."));
}
error (_("You can't do this from here. Do 'record goto end', first."));
}
/* Initialize the record-btrace target ops. */
static void
@ -1045,6 +1084,8 @@ init_record_btrace_ops (void)
ops->to_store_registers = record_btrace_store_registers;
ops->to_prepare_to_store = record_btrace_prepare_to_store;
ops->to_get_unwinder = &record_btrace_frame_unwind;
ops->to_resume = record_btrace_resume;
ops->to_wait = record_btrace_wait;
ops->to_stratum = record_stratum;
ops->to_magic = OPS_MAGIC;
}