Re: [PATCH v2] tracepoint: add new trace command "printf" and agent expression "printf" [3] doc

[Hui Zhu <teawater@gmail.com>]

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Update follow cvs trunk.

It will available on the gdb-trunk ubuntu PPA and gdb-7.3 ubuntu PPA
that I introduce in https://lkml.org/lkml/2011/6/4/65

Thanks,
Hui

On Thu, Feb 24, 2011 at 16:57, Hui Zhu <teawater@gmail.com> wrote:
> OK.  Thanks Joel.
>
> Best,
> Hui
>
> On Thu, Feb 24, 2011 at 16:56, Joel Brobecker <brobecker@adacore.com> wrote:
>>> 2011-02-24  Hui Zhu  <teawater@gmail.com>
>>>
>>>       * agentexpr.texi (Bytecode Descriptions): Add printf.
>>>       * gdb.texinfo (Tracepoint Action Lists): Add printf.
>>
>> Note: The doc was already approved by Eli, so it can go in as soon as
>> the code changes are approved.
>>
>> --
>> Joel
>>
>

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---
 doc/agentexpr.texi |    7 +++++++
 doc/gdb.texinfo    |    6 ++++++
 2 files changed, 13 insertions(+)

--- a/doc/agentexpr.texi
+++ b/doc/agentexpr.texi
@@ -489,6 +489,13 @@ named @code{trace_quick16}, for consiste
 Record the value of trace state variable number @var{n} in the trace
 buffer.  The handling of @var{n} is as described for @code{getv}.
 
+@item @code{printf} (0x31) @var{n} @var{template}: @result{}
+Print the values in the stack under the control of the string template.
+The end of @var{template} is 0x00.
+If @var{n} is 0, just output the string template.
+If @var{n} is 1, pop a value from the stack and print it under the control
+of the string template.
+
 @item @code{end} (0x27): @result{}
 Stop executing bytecode; the result should be the top element of the
 stack.  If the purpose of the expression was to compute an lvalue or a
--- a/doc/gdb.texinfo
+++ b/doc/gdb.texinfo
@@ -10289,6 +10289,12 @@ state variables (@pxref{Trace State Vari
 values to the trace buffer, as would be the case if the @code{collect}
 action were used.
 
+@kindex printf
+@item printf @var{template}, @var{expressions}@dots{}
+Print the values of one or more @var{expressions} under the control of
+the string @var{template} in @code{gdbserver} part.
+The command format is with simple @code{printf} (@pxref{Output, printf}).
+
 @kindex while-stepping @r{(tracepoints)}
 @item while-stepping @var{n}
 Perform @var{n} single-step instruction traces after the tracepoint,