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[SCM] systemtap: system-wide probe/trace tool branch, master, updated. release-0.9.8-6-g5e3d7f3
- From: mark at sourceware dot org
- To: systemtap-cvs at sourceware dot org
- Date: 15 Jun 2009 11:43:18 -0000
- Subject: [SCM] systemtap: system-wide probe/trace tool branch, master, updated. release-0.9.8-6-g5e3d7f3
- Reply-to: systemtap at sourceware dot org
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commit 5e3d7f3a3aa8d11b67e74de0c3d9187c323cbff2
Author: Mark Wielaard <mjw@redhat.com>
Date: Mon Jun 15 13:37:39 2009 +0200
PR10274 Fix exelib -O3 testcase.
The testcase now uses noinline, an empty asm statement and a volatile
variable to prevent the function getting inlined, being totally unrolled
or the recursive call being replaced with an inner-iteration.
This does defeat part of the testcase though, which was testing unwinding
through an optimized recursive function. But it seems the best we can do.
* testsuite/systemtap.exelib/exelib.exp: Add -O3 to the mix.
* testsuite/systemtap.exelib/uprobes_exe.c: Use volatile bar and mark
main_func noinline.
* testsuite/systemtap.exelib/uprobes_lib.c: Use volatile foo and mark
lib_func noinline.
-----------------------------------------------------------------------
Summary of changes:
testsuite/systemtap.exelib/exelib.exp | 3 +--
testsuite/systemtap.exelib/uprobes_exe.c | 17 +++++++++++++----
testsuite/systemtap.exelib/uprobes_lib.c | 17 +++++++++++++----
3 files changed, 27 insertions(+), 10 deletions(-)
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systemtap: system-wide probe/trace tool