[PATCH] D37965: [XRay][compiler-rt] Handle tail-call exits in the XRay runtime

[Dean Michael Berris via Phabricator via llvm-commits]

dberris created this revision.

This change starts differentiating tail exits from normal exits. We also
increase the version number of the "naive" log to version 2, which will
be the starting version where these records start appearing. In FDR mode
we treat the tail exits as normal exits, and are thus subject to the
same treatment with regard to record unwriting.

Depends on https://reviews.llvm.org/D37964.


https://reviews.llvm.org/D37965

Files:
  include/xray/xray_records.h
  lib/xray/xray_fdr_logging_impl.h
  lib/xray/xray_inmemory_log.cc
  lib/xray/xray_trampoline_x86_64.S
  test/xray/TestCases/Linux/fdr-mode.cc
  test/xray/TestCases/Linux/fdr-thread-order.cc

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