[libc-commits] [libc] [libc][uefi] add crt1 (PR #132150)

[Tristan Ross via libc-commits]

================
@@ -0,0 +1,98 @@
+//===----------- UEFI implementation of error utils --------------*- 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_OSUTIL_UEFI_ERROR_H
+#define LLVM_LIBC_SRC___SUPPORT_OSUTIL_UEFI_ERROR_H
+
+#include "include/llvm-libc-types/EFI_STATUS.h"
+#include "src/__support/CPP/array.h"
+#include "src/__support/macros/config.h"
+#include <errno.h>
+#include <limits.h>
----------------
RossComputerGuy wrote:

Replaced `constexpr` with `const` and got `error: shift count >= width of type`:
```
#define EFI_ERROR_MAX_BIT (1 << (cpp::numeric_limits<EFI_STATUS>::max() - 1))
```

https://github.com/llvm/llvm-project/pull/132150