diff --git a/libxx/Makefile b/libxx/Makefile index 5c5be9c41c..2fee701186 100644 --- a/libxx/Makefile +++ b/libxx/Makefile @@ -50,7 +50,7 @@ endif ifneq ($(CONFIG_UCLIBCXX),y) CXXSRCS += libxx_delete.cxx libxx_deletea.cxx libxx_new.cxx libxx_newa.cxx -CXXSRCS += libxx_stdthrow.cxx +CXXSRCS += libxx_stdthrow.cxx libxx_cxa_guard.cxx else ifneq ($(UCLIBCXX_EXCEPTION),y) CXXSRCS += libxx_stdthrow.cxx diff --git a/libxx/libxx_cxa_guard.cxx b/libxx/libxx_cxa_guard.cxx new file mode 100644 index 0000000000..47e9c4ea8d --- /dev/null +++ b/libxx/libxx_cxa_guard.cxx @@ -0,0 +1,87 @@ +//*************************************************************************** +// libxx/libxx_cxa_guard.cxx +// +// Copyright (C) 2015 Omni Hoverboards Inc. All rights reserved. +// Author: Paul Alexander Patience +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions +// are met: +// +// 1. Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// 2. Redistributions in binary form must reproduce the above copyright +// notice, this list of conditions and the following disclaimer in +// the documentation and/or other materials provided with the +// distribution. +// 3. Neither the name NuttX nor the names of its contributors may be +// used to endorse or promote products derived from this software +// without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS +// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE +// COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, +// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, +// BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS +// OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED +// AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +// LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN +// ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE +// POSSIBILITY OF SUCH DAMAGE. +// +//*************************************************************************** + +//*************************************************************************** +// Included Files +//*************************************************************************** + +#include + +//*************************************************************************** +// Pre-processor Definitions +//*************************************************************************** + +//*************************************************************************** +// Private Types +//*************************************************************************** + +__extension__ typedef int __guard __attribute__((mode(__DI__))); + +//*************************************************************************** +// Private Data +//*************************************************************************** + +//*************************************************************************** +// Public Functions +//*************************************************************************** + +extern "C" +{ + //************************************************************************* + // Name: __cxa_guard_acquire + //************************************************************************* + + int __cxa_guard_acquire(FAR __guard *g) + { + return !*g; + } + + //************************************************************************* + // Name: __cxa_guard_release + //************************************************************************* + + void __cxa_guard_release(FAR __guard *g) + { + *g = 1; + } + + //************************************************************************* + // Name: __cxa_guard_abort + //************************************************************************* + + void __cxa_guard_abort(FAR __guard *) + { + } +}