[Bug runtime/20042] on rawhide, tracepoint handlers have a changed function signature

[jistone at redhat dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=20042

Josh Stone <jistone at redhat dot com> changed:

           What    |Removed                     |Added
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                 CC|                            |jistone at redhat dot com
           Assignee|systemtap at sourceware dot org    |jistone at redhat dot com

--- Comment #2 from Josh Stone <jistone at redhat dot com> ---
I found that dwarf_wrappers.cxx dwarf_type_name doesn't handle
DW_TAG_subroutine_type, and it treats unknowns as "void", so the function
pointer type becomes "void*".  That can be improved, but we'll also need to be
a bit more clever about the declaration since function pointer names are in the
middle of the type.  We can probably just write a typedef for each argument to
use in STP_TRACE_ENTER.

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