[RFA/DOC] record pic

[Hui Zhu]

Hi Eli,

This is the patch to add the "record pic" to the gdb.texinfo and NEWS.
Please help me review it.

Thanks,
Hui

2010-07-01  Hui Zhu  <teawater@gmail.com>

	* gdb.texinfo: (Process Record and Replay): Add documentation
	for command "record pic".


---
 NEWS            |   18 ++++++++++++++++
 doc/gdb.texinfo |   62 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 80 insertions(+)

--- a/NEWS
+++ b/NEWS
@@ -118,6 +118,24 @@ qRelocInsn

 * New commands

+record pic [<FILENAME>]
+  Save the execution log to a vcg file.
+
+set record pic type line|function
+  Set or show the type of the nodes that `record pic' saved.
+
+set record pic hide-nofunction on|off
+  Set or show whether `record pic' hide the nodes that don't have
+  the function name.
+
+set record pic hide-nosource on|off
+  Set or show whether `record pic' hide the nodes that don't have
+  the source message.
+
+set record pic hide-sameaddr on|off
+  Set or show whether `record pic' hide the nodes that have the
+  same address node in vcg file.
+
 eval template, expressions...
   Convert the values of one or more expressions under the control
   of the string template to a command line, and call it.
--- a/doc/gdb.texinfo
+++ b/doc/gdb.texinfo
@@ -5657,6 +5657,68 @@ Default filename is @file{gdb_record.@va
 Restore the execution log from a file @file{@var{filename}}.
 File must have been created with @code{record save}.

+@kindex record pic
+@item record pic @var{filename}
+Save the execution log to a vcg file @file{@var{filename}}.
+Default filename is @file{gdb_record_@var{process_id}}.vcg,
+where @var{process_id} is the process ID of the inferior.
+
+@kindex set record pic type
+@item set record pic type @var{type}
+Set the type of the nodes that @code{record pic} saved.
+
+When @var{type} is set to @code{line} (the default), each node of vcg
+file that @code{record pic} saved will be a line of the inferior.
+
+When @var{type} is set to @code{function}, each node of vcg file that
+@code{record pic} saved will be a function of the inferior.
+
+@kindex show record pic type
+@item show record pic type
+Show the current setting of @code{pic type}.
+
+@kindex set record pic hide-nofunction
+@item set record pic hide-nofunction
+Set whether @code{record pic} hide the nodes that don't have
+the function name.
+
+If ON (the default), @code{record pic} will hide the nodes that don't
+have the function name.
+
+@kindex show record pic hide-nofunction
+@item show record pic hide-nofunction
+Show the current setting of @code{pic hide-nofunction}.
+
+@kindex set record pic hide-nosource
+@item set record pic hide-nosource
+Set whether @code{record pic} hide the nodes that don't have
+the source message.
+
+If ON (the default), @code{record pic} will hide the nodes that
+don't have the source message.
+
+@kindex show record pic hide-nosource
+@item show record pic hide-nosource
+Show the current setting of @code{pic hide-nosource}.
+
+@kindex set record pic hide-sameaddr
+@item set record pic hide-sameaddr
+Set whether @code{record pic} hide the nodes that have the same
+address node in vcg file.
+
+If ON (the default), @code{record pic} will hide the nodes that have
+the same address node in vcg file.  And @code{record pic} will show
+the execute count number of this node in format @code{c:number}
+
+If OFF, @code{record pic} will show the nodes that have the same
+address node in vcg file.  And @code{record pic} will show the
+instruction number in format @code{i:number} that
+@value{record goto} support.
+
+@kindex show record pic hide-same
+@item show record pic hide-same
+Show the current setting of @code{pic hide-same}.
+
 @kindex set record insn-number-max
 @item set record insn-number-max @var{limit}
 Set the limit of instructions to be recorded.  Default value is 200000.