[libcxx-commits] [PATCH] D88718: [libcxx] Port to NuttX(https://nuttx.apache.org/) RTOS

[Xiang Xiao via Phabricator via libcxx-commits]

xiaoxiang781216 updated this revision to Diff 304525.
xiaoxiang781216 added a comment.

Updating D88718 <https://reviews.llvm.org/D88718>: [libcxx] Port to NuttX(https://nuttx.apache.org/) RTOS


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D88718/new/

https://reviews.llvm.org/D88718

Files:
  libcxx/include/__config
  libcxx/include/__locale
  libcxx/include/support/nuttx/xlocale.h
  libcxx/src/include/config_elast.h
  libcxx/src/locale.cpp


Index: libcxx/src/locale.cpp
===================================================================
--- libcxx/src/locale.cpp
+++ libcxx/src/locale.cpp
@@ -30,7 +30,7 @@
 #include "__sso_allocator"
 #if defined(_LIBCPP_MSVCRT) || defined(__MINGW32__)
 #include "support/win32/locale_win32.h"
-#elif !defined(__BIONIC__)
+#elif !defined(__BIONIC__) && !defined(__NuttX__)
 #include <langinfo.h>
 #endif
 #include <stdlib.h>
Index: libcxx/src/include/config_elast.h
===================================================================
--- libcxx/src/include/config_elast.h
+++ libcxx/src/include/config_elast.h
@@ -17,10 +17,14 @@
 #include <errno.h>
 #endif
 
+// Note: _LIBCPP_ELAST needs to be defined only on platforms
+// where strerror/strerror_r can't handle out-of-range errno values.
 #if defined(ELAST)
 #define _LIBCPP_ELAST ELAST
 #elif defined(_NEWLIB_VERSION)
 #define _LIBCPP_ELAST __ELASTERROR
+#elif defined(__NuttX__)
+// No _LIBCPP_ELAST needed on NuttX
 #elif defined(__Fuchsia__)
 // No _LIBCPP_ELAST needed on Fuchsia
 #elif defined(__wasi__)
Index: libcxx/include/support/nuttx/xlocale.h
===================================================================
--- /dev/null
+++ libcxx/include/support/nuttx/xlocale.h
@@ -0,0 +1,18 @@
+// -*- C++ -*-
+//===-------------------- support/nuttx/xlocale.h -------------------------===//
+//
+// 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 _LIBCPP_SUPPORT_NUTTX_XLOCALE_H
+#define _LIBCPP_SUPPORT_NUTTX_XLOCALE_H
+
+#if defined(__NuttX__)
+#include <support/xlocale/__posix_l_fallback.h>
+#include <support/xlocale/__strtonum_fallback.h>
+#endif // __NuttX__
+
+#endif
Index: libcxx/include/__locale
===================================================================
--- libcxx/include/__locale
+++ libcxx/include/__locale
@@ -22,6 +22,8 @@
 #if defined(_LIBCPP_MSVCRT_LIKE)
 # include <cstring>
 # include <support/win32/locale_win32.h>
+#elif defined(__NuttX__)
+# include <support/nuttx/xlocale.h>
 #elif defined(_AIX)
 # include <support/ibm/xlocale.h>
 #elif defined(__ANDROID__)
Index: libcxx/include/__config
===================================================================
--- libcxx/include/__config
+++ libcxx/include/__config
@@ -1117,6 +1117,7 @@
 #  if defined(__FreeBSD__) || \
       defined(__wasi__) || \
       defined(__NetBSD__) || \
+      defined(__NuttX__) || \
       defined(__linux__) || \
       defined(__GNU__) || \
       defined(__APPLE__) || \
@@ -1219,7 +1220,7 @@
 #  endif
 #endif
 
-#if defined(__BIONIC__) || defined(__CloudABI__) ||                            \
+#if defined(__BIONIC__) || defined(__CloudABI__) || defined(__NuttX__) ||      \
     defined(__Fuchsia__) || defined(__wasi__) || defined(_LIBCPP_HAS_MUSL_LIBC)
 #define _LIBCPP_PROVIDES_DEFAULT_RUNE_TABLE
 #endif


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