From a1269171d71f6e03014f13ba52d4e86b6e8782a2 Mon Sep 17 00:00:00 2001
From: John Baldwin <jhb@FreeBSD.org>
Date: Wed, 21 Aug 2024 13:37:48 -0400
Subject: [PATCH] libcxxrt: Add a stub implementation of __cxa_call_terminate

This function is called by GCC 14 if a destructor invoked during
exception unwinding throws an exception.

Reviewed by:	emaste
Obtained from:	libcxxrt commit 391a3dcc1054e18c2f0dff4e14d6d79ac95399d7
Differential Revision:	https://reviews.freebsd.org/D46004

(cherry picked from commit 297a9e552b9a5adf07d195eae9649b0758f395af)
---
 contrib/libcxxrt/exception.cc | 13 +++++++++++++
 lib/libcxxrt/Version.map      |  4 ++++
 2 files changed, 17 insertions(+)

diff --git a/contrib/libcxxrt/exception.cc b/contrib/libcxxrt/exception.cc
index 35ff997dd44..b56333e979a 100644
--- a/contrib/libcxxrt/exception.cc
+++ b/contrib/libcxxrt/exception.cc
@@ -1433,6 +1433,19 @@ extern "C" void __cxa_call_unexpected(void*exception)
 	abort();
 }
 
+/**
+ * ABI function, called when an object destructor exits due to an
+ * exception during stack unwinding.
+ *
+ * This function does not return.
+ */
+extern "C" void __cxa_call_terminate(void *exception) throw()
+{
+	std::terminate();
+	// Should not be reached.
+	abort();
+}
+
 /**
  * ABI function, returns the adjusted pointer to the exception object.
  */
diff --git a/lib/libcxxrt/Version.map b/lib/libcxxrt/Version.map
index a54b6a4daad..39a54f4868a 100644
--- a/lib/libcxxrt/Version.map
+++ b/lib/libcxxrt/Version.map
@@ -287,6 +287,10 @@ CXXABI_1.3.11 {
     __cxa_init_primary_exception;
 } CXXABI_1.3.9;
 
+CXXABI_1.3.15 {
+    __cxa_call_terminate;
+} CXXABI_1.3.11;
+
 CXXRT_1.0 {
 
     extern "C++" {