Re: [RFA/RFC Prec] Add process record skip 6/6 (doc)

Hui Zhu
2009-09-02T12:01:06Z

On Wed, Sep 2, 2009 at 01:10, Eli Zaretskii<eliz@gnu.org> wrote:
>> From: Hui Zhu <teawater@gmail.com>
>> Date: Tue, 1 Sep 2009 16:56:42 +0800
>> Cc: gdb-patches@sourceware.org, msnyder@vmware.com, green@moxielogic.com
>>
>> I think this idea is not bad.  But when user set a simple_function to
>> GDB, check if this function is really a simple function or not is not
>> easy.
>
> Why should GDB care?  Let the user care.
>
>> What about keep this idea and add special patch for it when gdb
>> support record skip?
>
> <Shrug> If no one else is concerned about this, I can live with that.

Please don't worry about it. I will post it to wiki.
>
>> +beginning of a function.  When this breaks break, if
>                             ^^^^^^^^^^^^^^^^^^^^^^
> "When this breakpoint breaks"
>
> Otherwise, fine.
>

Thanks a lot.

Hui

---
doc/gdb.texinfo | 25 +++++++++++++++++++++++++
1 file changed, 25 insertions(+)

--- a/doc/gdb.texinfo
+++ b/doc/gdb.texinfo
@@ -5214,6 +5214,31 @@ When record target runs in replay mode (
subsequent execution log and begin to record a new execution log starting
from the current address. This means you will abandon the previously
recorded ``future'' and begin recording a new ``future''.
+
+@kindex record skip
+@kindex rec skip
+@item record skip
+The record skip entry is a special breakpoint. When the process
+record and replay target start, it will be inserted to the
+beginning of a function. When this breakpoint breaks, if
+@value{GDBN} is in record mode, refrain from recording skip record all
+the execution log of this function's instructions and only record the
+modifications of memory and registers by this function.
+This command shows the status of record skipping.
+
+Only some standard functions are currently supported by the
+@code{record skip} command; type the command without arguments to
+see the full list.
+
+@kindex record skip disable
+@kindex rec skip disable
+@item record skip disable @var{id}
+Disable the specified record skip entry (or all record skip entries).
+
+@kindex record skip enable
+@kindex rec skip enable
+@item record skip enable @var{id}
+Enable the specified record skip entry (or all record skip entries).
@end table