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Display names of remote threads

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This patch adds support for thread names in the remote protocol, and
updates gdb/gdbserver to use it.  The information is added to the XML
description sent in response to the qXfer:threads:read packet.

gdb/ChangeLog:

	* linux-nat.c (linux_nat_thread_name): Replace implementation by call
	to linux_proc_tid_get_name.
	* nat/linux-procfs.c (linux_proc_tid_get_name): New function,
	implementation inspired by linux_nat_thread_name.
	* nat/linux-procfs.h (linux_proc_tid_get_name): New declaration.
	* remote.c (struct private_thread_info) <name>: New field.
	(free_private_thread_info): Free name field.
	(remote_thread_name): New function.
	(thread_item_t) <name>: New field.
	(clear_threads_listing_context): Free name field.
	(start_thread): Get name xml attribute.
	(thread_attributes): Add "name" attribute.
	(remote_update_thread_list): Copy name field.
	(init_remote_ops): Assign remote_thread_name callback.
	* target.h (target_thread_name): Update comment.
	* NEWS: Mention remote thread name support.

gdb/gdbserver/ChangeLog:

	* linux-low.c (linux_target_ops): Use linux_proc_tid_get_name.
	* server.c (handle_qxfer_threads_worker): Refactor to include thread
	name in reply.
	* target.h (struct target_ops) <thread_name>: New field.
	(target_thread_name): New macro.

gdb/doc/ChangeLog:

	* gdb.texinfo (Thread List Format): Mention thread names.
This commit is contained in:
Simon Marchi
2015-11-26 09:49:04 -05:00
parent 73ede76585
commit 79efa585c5
13 changed files with 142 additions and 46 deletions
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4
gdb/doc/ChangeLog
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@@ -1,3 +1,7 @@
2015-11-26 Simon Marchi <simon.marchi@ericsson.com>
* gdb.texinfo (Thread List Format): Mention thread names.
2015-11-24 Pedro Alves <palves@redhat.com>
PR 17539

8
gdb/doc/gdb.texinfo
View File

@@ -39542,7 +39542,7 @@ the following structure:
@smallexample
<?xml version="1.0"?>
<threads>
<thread id="id" core="0">
<thread id="id" core="0" name="name">
... description ...
</thread>
</threads>
@@ -39551,8 +39551,10 @@ the following structure:
Each @samp{thread} element must have the @samp{id} attribute that
identifies the thread (@pxref{thread-id syntax}). The
@samp{core} attribute, if present, specifies which processor core
the thread was last executing on. The content of the of @samp{thread}
element is interpreted as human-readable auxilliary information.
the thread was last executing on. The @samp{name} attribute, if
present, specifies the human-readable name of the thread. The content
of the of @samp{thread} element is interpreted as human-readable
auxiliary information.
@node Traceframe Info Format
@section Traceframe Info Format