[all-commits] [llvm/llvm-project] 35626e: [DLCov] Origin-Tracking: Enable collecting and sym...

[Stephen Tozer via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 35626e97d886dcb5f335af8abcfadb5f6bbcc64a
      https://github.com/llvm/llvm-project/commit/35626e97d886dcb5f335af8abcfadb5f6bbcc64a
  Author: Stephen Tozer <stephen.tozer at sony.com>
  Date:   2025-07-02 (Wed, 02 Jul 2025)

  Changed paths:
    M llvm/include/llvm/Support/Signals.h
    M llvm/lib/Support/Signals.cpp
    M llvm/lib/Support/Unix/Signals.inc
    M llvm/lib/Support/Windows/Signals.inc

  Log Message:
  -----------
  [DLCov] Origin-Tracking: Enable collecting and symbolizing stack traces (#143591)

This patch is part of a series that adds origin-tracking to the debugify
source location coverage checks, allowing us to report symbolized stack
traces of the point where missing source locations appear.

This patch adds a pair of new functions in `signals.h` that can be used
to collect and symbolize stack traces respectively. This has major
implementation overlap with the existing stack trace
collection/symbolizing methods, but the existing functions are
specialized for dumping a stack trace to stderr when LLVM crashes, while
these new functions are meant to be called repeatedly during the
execution of the program, and therefore we need a separate set of
functions.



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