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Tim Wiederhake c0272db585 btrace: Resume recording after disconnect. 
This patch allows gdbserver to continue recording after disconnect.  On
reconnect, the recorded data is accessible to gdb as if no disconnect happened.

A possible application for this feature is remotely examine bugs that occur
at irregular intervals, where maintaining a gdb connection is inconvenient.

This also fixes the issue mentioned here:
https://sourceware.org/ml/gdb-patches/2015-11/msg00424.html

Signed-off-by: Tim Wiederhake <tim.wiederhake@intel.com>

gdb/ChangeLog:
	* NEWS: Resume btrace on reconnect.
	* record-btrace.c: Added record-btrace.h include.
	(record_btrace_open): Split into this and ...
	(record_btrace_push_target): ... this.
	(record_btrace_disconnect): New function.
	(init_record_btrace_ops): Use record_btrace_disconnect.
	* record-btrace.h: New file.
	* remote.c: Added record-btrace.h include.
	(remote_start_remote): Check recording status.
	(remote_btrace_maybe_reopen): New function.

gdb/doc/ChangeLog:
	* gdb.texinfo: Resume btrace on reconnect.

gdb/testsuite/ChangeLog:

	* gdb.btrace/reconnect.c: New file.
	* gdb.btrace/reconnect.exp: New file.

Change-Id: I95e8b0ab8a89e58591aba0e63818cee82fd211bc
2016-07-25 11:03:43 +02:00
..
a4rc.sed
agentexpr.texi Fix zero_ext documentation 2016-04-13 12:36:24 -04:00
all-cfg.texi GDB copyright headers update after running GDB's copyright.py script. 2016-01-01 08:43:22 +04:00
annotate.texinfo GDB copyright headers update after running GDB's copyright.py script. 2016-01-01 08:43:22 +04:00
ChangeLog btrace: Resume recording after disconnect. 2016-07-25 11:03:43 +02:00
doxy-index.in GDB copyright headers update after running GDB's copyright.py script. 2016-01-01 08:43:22 +04:00
Doxyfile-base.in GDB copyright headers update after running GDB's copyright.py script. 2016-01-01 08:43:22 +04:00
Doxyfile-gdb-api.in GDB copyright headers update after running GDB's copyright.py script. 2016-01-01 08:43:22 +04:00
Doxyfile-gdb-xref.in GDB copyright headers update after running GDB's copyright.py script. 2016-01-01 08:43:22 +04:00
Doxyfile-gdbserver.in GDB copyright headers update after running GDB's copyright.py script. 2016-01-01 08:43:22 +04:00
fdl.texi
filter-for-doxygen
filter-params.pl
gdb.texinfo btrace: Resume recording after disconnect. 2016-07-25 11:03:43 +02:00
gpl.texi
guile.texi Per-inferior/Inferior-qualified thread IDs 2016-01-13 10:59:43 +00:00
lpsrc.sed
Makefile.in GDB copyright headers update after running GDB's copyright.py script. 2016-01-01 08:43:22 +04:00
observer.texi Add method/format information to =record-started 2016-06-06 17:10:18 -04:00
psrc.sed
python.texi PR python/15620, PR python/18620 - breakpoint events in Python 2016-07-13 13:59:55 -06:00
refcard.tex GDB copyright headers update after running GDB's copyright.py script. 2016-01-01 08:43:22 +04:00
stabs.texinfo GDB copyright headers update after running GDB's copyright.py script. 2016-01-01 08:43:22 +04:00
stack_frame.eps
stack_frame.pdf
stack_frame.png
stack_frame.svg
stack_frame.txt