[llvm-branch-commits] [llvm] release/20.x: [llvm][Support] Enable dl_iterate_phdr support on OpenBSD and DragonFly (#125186) (PR #125210)

[via llvm-branch-commits]

https://github.com/llvmbot created https://github.com/llvm/llvm-project/pull/125210

Backport 95e19e21c55db7ede8ff7795512bbfc4ca0ca782

Requested by: @brad0

>From 4c48fe1b4b0562bec21c6da39e20abe00819bccb Mon Sep 17 00:00:00 2001
From: Brad Smith <brad at comstyle.com>
Date: Fri, 31 Jan 2025 05:02:50 -0500
Subject: [PATCH] [llvm][Support] Enable dl_iterate_phdr support on OpenBSD and
 DragonFly (#125186)

(cherry picked from commit 95e19e21c55db7ede8ff7795512bbfc4ca0ca782)
---
 llvm/lib/Support/Unix/Signals.inc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/llvm/lib/Support/Unix/Signals.inc b/llvm/lib/Support/Unix/Signals.inc
index 9a12663228a368..2e7b467a14bbe2 100644
--- a/llvm/lib/Support/Unix/Signals.inc
+++ b/llvm/lib/Support/Unix/Signals.inc
@@ -468,7 +468,8 @@ void llvm::sys::AddSignalHandler(sys::SignalHandlerCallback FnPtr,
 
 #if ENABLE_BACKTRACES && defined(HAVE_BACKTRACE) &&                            \
     (defined(__linux__) || defined(__FreeBSD__) ||                             \
-     defined(__FreeBSD_kernel__) || defined(__NetBSD__))
+     defined(__FreeBSD_kernel__) || defined(__NetBSD__) ||                     \
+     defined(__OpenBSD__) || defined(__DragonFly__))
 struct DlIteratePhdrData {
   void **StackTrace;
   int depth;