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From: "gmoreira at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: systemtap@sourceware.org
Subject: [Bug tapsets/23874] New: MIPS - semantic error: No cfa_ops supplied, but needed by DW_OP_call_frame_cfa
Date: Fri, 09 Nov 2018 05:09:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D23874

            Bug ID: 23874
           Summary: MIPS - semantic error: No cfa_ops supplied, but needed
                    by DW_OP_call_frame_cfa
           Product: systemtap
           Version: unspecified
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: tapsets
          Assignee: systemtap at sourceware dot org
          Reporter: gmoreira at gmail dot com
  Target Milestone: ---

Created attachment 11388
  --> https://sourceware.org/bugzilla/attachment.cgi?id=3D11388&action=3Ded=
it
stap_report output

$ sudo stap --vp 01 -e 'probe kernel.function("do_truncate").return {
printf("filename '%s' \n", fullpath_struct_file(task_current(), @entry($fil=
p)))
}'
semantic error: while processing probe
kernel.function("do_truncate@fs/open.c:37").return from:
kernel.function("do_truncate").return

semantic error: No cfa_ops supplied, but needed by DW_OP_call_frame_cfa:
identifier '$filp' at <input>:1:116
        source: probe kernel.function("do_truncate").return { printf("filen=
ame
%s \n", fullpath_struct_file(task_current(), @entry($filp))) }
=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=
=20=20=20=20
                                                   ^

Pass 2: analyzed script: 2 probes, 45 functions, 4 embeds, 2 globals using
112704virt/89956res/4420shr/94964data kb, in 45930usr/4270sys/104142real ms.
Pass 2: analysis failed.  [man error::pass2]

--=20
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