2005-11-21 Jim Blandy <jimb@redhat.com>

	* gdb.texinfo (Tracepoint Packets): Document restrictions on
	placement of 'R' actions in tracepoint action packets; document
	dependence of 'X' and 'M' actions on a preceding 'R' action for
	their registers.

diff --git a/gdb/doc/ChangeLog b/gdb/doc/ChangeLog
index 1eaf65c..0fa926f 100644 (file)
--- a/gdb/doc/ChangeLog
+++ b/gdb/doc/ChangeLog
@@ -1,3 +1,10 @@
+2005-11-21  Jim Blandy  <jimb@redhat.com>
+
+       * gdb.texinfo (Tracepoint Packets): Document restrictions on
+       placement of 'R' actions in tracepoint action packets; document
+       dependence of 'X' and 'M' actions on a preceding 'R' action for
+       their registers.
+
 2005-11-19  Jim Blandy  <jimb@redhat.com>
 
        * gdb.texinfo (Tracepoint Packets): New node.

diff --git a/gdb/doc/gdb.texinfo b/gdb/doc/gdb.texinfo
index d749732..fef2595 100644 (file)
--- a/gdb/doc/gdb.texinfo
+++ b/gdb/doc/gdb.texinfo
@@ -23165,7 +23165,12 @@ packet).
 
 Any number of actions may be packed together in a single @samp{QTDP}
 packet, as long as the packet does not exceed the maximum packet
-length (400 bytes, for many stubs).
+length (400 bytes, for many stubs).  There may be only one @samp{R}
+action per tracepoint, and it must precede any @samp{M} or @samp{X}
+actions.  Any registers referred to by @samp{M} and @samp{X} actions
+must be collected by a preceding @samp{R} action.  (The
+``while-stepping'' actions are treated as if they were attached to a
+separate tracepoint, as far as these restrictions are concerned.)
 
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