[Bug runtime/21891] New: bpf kernel symbols need _stext or .module-based relocation

[fche at redhat dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=21891

            Bug ID: 21891
           Summary: bpf kernel symbols need _stext or .module-based
                    relocation
           Product: systemtap
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: runtime
          Assignee: systemtap at sourceware dot org
          Reporter: fche at redhat dot com
  Target Milestone: ---

The translator sends relocation-basis-offset addresses into the .bo symbol
names for kprobes. stapbpf must add back the _stext offset for kernel.* symbols
before registering probe points.  For module.* probes, the translator will need
to encode the module name or somesuch in the symbol names, so that stapbpf can
relocate against those too (not _stext).

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