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Re: common print-stack options
- From: Mark Wielaard <mark at klomp dot org>
- To: Andrew Cagney <cagney at redhat dot com>
- Cc: frysk <frysk at sourceware dot org>
- Date: Wed, 26 Mar 2008 13:06:12 +0100
- Subject: Re: common print-stack options
- References: <47E2ADF7.50808@redhat.com>
Hi Andrew,
On Thu, 2008-03-20 at 14:33 -0400, Andrew Cagney wrote:
> http://sourceware.org/bugzilla/show_bug.cgi?id=5978
>
> FYI, all the utilities (fstack, ftrace, ferror, fcatch) now share a
> common set of options for specifying what a stack backtrace should look
> like, for instance:
>
> I've marked down a brainstorming session on what the print-stack options
> should be for next wednesday's meeting.
I think the suggested options in the bug report are nice:
Stack print options:
-n, -number-of-frames NUMBER number of frames to print. Use -n 0 or -n
all to print all frames.
-f, -full-path print the full path to object files
-a, -all Print all information that can be retrieved
about the stack
this is equivalent to -print
functions,params,scopes,fullpath
-v, -virtual Includes virtual frames in the stack trace.
Virtual frames are artificial frames
corresponding to calls to inlined functions
-c, -common print commonly used debug information:this
is equivalent to -print
functions,params,fullpath
-print [item],... itmes to print. Possible items:
functions : print function names using
debug information
scopes : print variables declared in each
scope within the function.
params : print function parameters
fullpath : print full executbale path
Having some options separate and available also in --print [item] is
slightly confusing though, I would propose to make them all "top-level"
options, or all --print [item] options.
Since this is a common option but just for stack trace printing, you
might want to change --print [item] to --stack [item]. Where a --stack
without items replaces the --common option. And maybe replace -a with
--stack all.
Cheers,
Mark