This is the mail archive of the
systemtap@sourceware.org
mailing list for the systemtap project.
[Bug uprobes/10836] uprobes-provided pt_regs* are unreliable
- From: "fche at redhat dot com" <sourceware-bugzilla at sourceware dot org>
- To: systemtap at sources dot redhat dot com
- Date: 29 Oct 2009 14:29:11 -0000
- Subject: [Bug uprobes/10836] uprobes-provided pt_regs* are unreliable
- References: <20091023162529.10836.fche@redhat.com>
- Reply-to: sourceware-bugzilla at sourceware dot org
------- Additional Comments From fche at redhat dot com 2009-10-29 14:29 -------
(In reply to comment #10)
> What are the main registers one needs to know here?
In the context of uprobes, apprx. all of them, since they may
contain $variable addresses / values.
> Helpers like regset_instruction_pointer(task), regset_stack_pointer(task)
> would be a useful addition with or without uprobes [...]
While I've been thinking about this mainly for uprobes, we get related
complications from utrace & timer.profile type probes, if someone were
to invoke print_ubacktrace().
--
http://sourceware.org/bugzilla/show_bug.cgi?id=10836
------- You are receiving this mail because: -------
You are the assignee for the bug, or are watching the assignee.