[llvm-branch-commits] [libc] [libc][annex_k] Add libc_constraint_handler. (PR #163315)

[Muhammad Bassiouni via llvm-branch-commits]

https://github.com/bassiounix updated https://github.com/llvm/llvm-project/pull/163315

>From 6c5ed3e008fac6e065578d2b6179587473f5773a Mon Sep 17 00:00:00 2001
From: bassiounix <muhammad.m.bassiouni at gmail.com>
Date: Tue, 14 Oct 2025 06:38:29 +0300
Subject: [PATCH] [libc][annex_k] Add libc_constraint_handler.

---
 libc/src/__support/annex_k/CMakeLists.txt     |  9 +++++++
 .../annex_k/libc_constraint_handler.h         | 26 +++++++++++++++++++
 2 files changed, 35 insertions(+)
 create mode 100644 libc/src/__support/annex_k/libc_constraint_handler.h

diff --git a/libc/src/__support/annex_k/CMakeLists.txt b/libc/src/__support/annex_k/CMakeLists.txt
index 78f5b3cddebd7..8eb65f2469b4f 100644
--- a/libc/src/__support/annex_k/CMakeLists.txt
+++ b/libc/src/__support/annex_k/CMakeLists.txt
@@ -10,3 +10,12 @@ add_header_library(
     libc.src.__support.OSUtil.osutil
     libc.src.stdlib.abort
 )
+
+add_header_library(
+  libc_constraint_handler
+  HDRS
+    libc_constraint_handler.h
+  DEPENDS
+    .abort_handler_s
+    libc.hdr.types.constraint_handler_t
+)
diff --git a/libc/src/__support/annex_k/libc_constraint_handler.h b/libc/src/__support/annex_k/libc_constraint_handler.h
new file mode 100644
index 0000000000000..db01c8dd940a0
--- /dev/null
+++ b/libc/src/__support/annex_k/libc_constraint_handler.h
@@ -0,0 +1,26 @@
+//===-- Static header for libc_constraint_handler ---------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_LIBC_SRC___SUPPORT_ANNEX_K_LIBC_CONSTRAINT_HANDLER_H
+#define LLVM_LIBC_SRC___SUPPORT_ANNEX_K_LIBC_CONSTRAINT_HANDLER_H
+
+#include "abort_handler_s.h"
+#include "hdr/types/constraint_handler_t.h"
+
+namespace LIBC_NAMESPACE_DECL {
+
+namespace annex_k {
+
+LIBC_INLINE static constraint_handler_t libc_constraint_handler =
+    &abort_handler_s;
+
+} // namespace annex_k
+
+} // namespace LIBC_NAMESPACE_DECL
+
+#endif  // LLVM_LIBC_SRC___SUPPORT_ANNEX_K_LIBC_CONSTRAINT_HANDLER_H