* [Bug translator/22097] New: the semko/target_addr[23].stp test cases are passing
@ 2017-09-06 16:01 dsmith at redhat dot com
2017-09-06 17:25 ` [Bug translator/22097] " dsmith at redhat dot com
2017-09-07 20:33 ` dsmith at redhat dot com
0 siblings, 2 replies; 3+ messages in thread
From: dsmith at redhat dot com @ 2017-09-06 16:01 UTC (permalink / raw)
To: systemtap
https://sourceware.org/bugzilla/show_bug.cgi?id=22097
Bug ID: 22097
Summary: the semko/target_addr[23].stp test cases are passing
Product: systemtap
Version: unspecified
Status: NEW
Severity: normal
Priority: P2
Component: translator
Assignee: systemtap at sourceware dot org
Reporter: dsmith at redhat dot com
Target Milestone: ---
On 3.10.0-693.el7.x86_64, the semko/target_addr[23].stp tests are passing, when
they are designed to fail. The target_addr2.stp test tries to take the address
of a parameter passed in a register. The target_addr3.stp test tries to take
the address of a register return value.
Note that these tests correctly fail with pre-bpf code.
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* [Bug translator/22097] the semko/target_addr[23].stp test cases are passing
2017-09-06 16:01 [Bug translator/22097] New: the semko/target_addr[23].stp test cases are passing dsmith at redhat dot com
@ 2017-09-06 17:25 ` dsmith at redhat dot com
2017-09-07 20:33 ` dsmith at redhat dot com
1 sibling, 0 replies; 3+ messages in thread
From: dsmith at redhat dot com @ 2017-09-06 17:25 UTC (permalink / raw)
To: systemtap
https://sourceware.org/bugzilla/show_bug.cgi?id=22097
--- Comment #1 from David Smith <dsmith at redhat dot com> ---
In the pre-bpf code, dwflpp::translate_final_fetch_or_store() would call
c_translate_addressof(), which rejects trying to take the address of a
register.
In HEAD systemtap, c_translate_addressof() doesn't exist and
dwflpp::translate_final_fetch_or_store() doesn't check for trying to take the
address of a register.
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* [Bug translator/22097] the semko/target_addr[23].stp test cases are passing
2017-09-06 16:01 [Bug translator/22097] New: the semko/target_addr[23].stp test cases are passing dsmith at redhat dot com
2017-09-06 17:25 ` [Bug translator/22097] " dsmith at redhat dot com
@ 2017-09-07 20:33 ` dsmith at redhat dot com
1 sibling, 0 replies; 3+ messages in thread
From: dsmith at redhat dot com @ 2017-09-07 20:33 UTC (permalink / raw)
To: systemtap
https://sourceware.org/bugzilla/show_bug.cgi?id=22097
David Smith <dsmith at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
--- Comment #2 from David Smith <dsmith at redhat dot com> ---
Fixed in commit 46a8b6fc8.
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2017-09-06 16:01 [Bug translator/22097] New: the semko/target_addr[23].stp test cases are passing dsmith at redhat dot com
2017-09-06 17:25 ` [Bug translator/22097] " dsmith at redhat dot com
2017-09-07 20:33 ` dsmith at redhat dot com
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