[DynInst_API:] [dyninst/dyninst] 61198b: Fix Variable location parsing (#781)

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  Branch: refs/heads/dwarf_variable_location
  Home:   https://github.com/dyninst/dyninst
  Commit: 61198b431452b558ed2eb20f05e57aa9cd586b63
      https://github.com/dyninst/dyninst/commit/61198b431452b558ed2eb20f05e57aa9cd586b63
  Author: Sasha NÃcolas <sasha@xxxxxxxxxxx>
  Date:   2020-07-28 (Tue, 28 Jul 2020)

  Changed paths:
    M dwarf/src/dwarfHandle.C
    M symtabAPI/src/dwarfWalker.C

  Log Message:
  -----------
  Fix Variable location parsing (#781)

Start using elfutils' libdwfl to open binaries with dwarf data.
This fixes dwarf variable location parsing for relocatable objects.


  Commit: 5d2a64b894e016edc185ebba616f64bca677454d
      https://github.com/dyninst/dyninst/commit/5d2a64b894e016edc185ebba616f64bca677454d
  Author: Tim Haines <thaines.astro@xxxxxxxxx>
  Date:   2020-07-31 (Fri, 31 Jul 2020)

  Changed paths:
    M proccontrol/src/int_process.h
    M proccontrol/src/linux.C
    M proccontrol/src/linux.h
    M proccontrol/src/process.C

  Log Message:
  -----------
  Improve detection of ghost threads (#784)

Change plat_handle_ghost_thread to return 'bool' (see #742).

This indicates if the thread is actually a ghost or not. This can happen
because ptrace returned ESRCH (no such process) in
LinuxPtrace::ptrace_int, yet the process is alive. This is a valid state
for ptrace, but ptrace_int doesn't check for this. The ptrace man-page
indicates that this can happen when a process received a STOP signal,
but it hasn't transitioned to the new state yet.


  Commit: 3c7025b99cca1eccfd34cb05a866767bba7f5970
      https://github.com/dyninst/dyninst/commit/3c7025b99cca1eccfd34cb05a866767bba7f5970
  Author: Sasha Nicolas <sasha@xxxxxxxxxxx>
  Date:   2020-07-31 (Fri, 31 Jul 2020)

  Changed paths:
    M proccontrol/src/int_process.h
    M proccontrol/src/linux.C
    M proccontrol/src/linux.h
    M proccontrol/src/process.C

  Log Message:
  -----------
  Merge branch 'master' into dwarf_variable_location


  Commit: 05504e1f0a64910b3fc098dce936d911c82e2f6b
      https://github.com/dyninst/dyninst/commit/05504e1f0a64910b3fc098dce936d911c82e2f6b
  Author: Sasha Nicolas <sasha@xxxxxxxxxxx>
  Date:   2020-07-31 (Fri, 31 Jul 2020)

  Changed paths:
    M dwarf/src/dwarfHandle.C

  Log Message:
  -----------
  Open CUDA binaries using libdw dwarf_begin_elf.
Temporary fix to maintain compatibility with CUDA binaries.


Compare: https://github.com/dyninst/dyninst/compare/db7014b09857...05504e1f0a64