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[SCM] systemtap: system-wide probe/trace tool branch, master, updated. release-1.6-232-g464379b
- From: fche at sourceware dot org
- To: systemtap-cvs at sourceware dot org
- Date: 19 Sep 2011 18:28:35 -0000
- Subject: [SCM] systemtap: system-wide probe/trace tool branch, master, updated. release-1.6-232-g464379b
- Reply-to: systemtap at sourceware dot org
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commit 464379bbacf6c9a3f007cb81e5e8cfdfb8617bd2
Author: Frank Ch. Eigler <fche@redhat.com>
Date: Mon Sep 19 14:25:43 2011 -0400
PR13200: skip prologue searching for *.function(ADDR).return probes
Prologue searching has to be suppressed for all kretprobes/uretprobes
address calculations, or else the *retprobes facility can overwrite
valid stack frame data instead of return addresses.
* tapsets.cxx (query_addr, query_func_info): Perform prologue analysis
but verbosely ignore results, for .return probes.
-----------------------------------------------------------------------
Summary of changes:
tapsets.cxx | 19 +++++++++++++++++--
1 files changed, 17 insertions(+), 2 deletions(-)
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systemtap: system-wide probe/trace tool