mirror of
https://github.com/zephyrproject-rtos/zephyr
synced 2025-08-17 15:55:52 +00:00
26e0f9a9e1
Can choose the C++ standard (C++98/11/14/17/2a) Can link with standard C++ library (libstdc++) Add support of C++ exceptions Add support of C++ RTTI Add C++ options to subsys/cpp/Kconfig Implements new and delete using k_malloc and k_free if CONFIG_HEAP_MEM_POOL_SIZE is defined Signed-off-by: Benoit Leforestier <benoit.leforestier@gmail.com>
119 lines
2.0 KiB
C++
119 lines
2.0 KiB
C++
/*
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* Copyright (c) 2018
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#if defined(CONFIG_LIB_CPLUSPLUS)
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#include <new>
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#endif // CONFIG_LIB_CPLUSPLUS
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#include <kernel.h>
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void* operator new(size_t size)
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{
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#if (CONFIG_HEAP_MEM_POOL_SIZE > 0)
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void* ptr = k_malloc(size);
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#if defined(__cpp_exceptions) && defined(CONFIG_LIB_CPLUSPLUS)
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if (!ptr)
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throw std::bad_alloc();
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#endif
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return ptr;
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#else
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ARG_UNUSED(size);
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return NULL;
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#endif
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}
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void* operator new[](size_t size)
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{
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#if (CONFIG_HEAP_MEM_POOL_SIZE > 0)
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void* ptr = k_malloc(size);
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#if defined(__cpp_exceptions) && defined(CONFIG_LIB_CPLUSPLUS)
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if (!ptr)
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throw std::bad_alloc();
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#endif
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return ptr;
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#else
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ARG_UNUSED(size);
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return NULL;
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#endif
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}
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void operator delete(void* ptr) noexcept
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{
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#if (CONFIG_HEAP_MEM_POOL_SIZE > 0)
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k_free(ptr);
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#else
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ARG_UNUSED(ptr);
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#endif
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}
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void operator delete[](void* ptr) noexcept
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{
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#if (CONFIG_HEAP_MEM_POOL_SIZE > 0)
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k_free(ptr);
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#else
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ARG_UNUSED(ptr);
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#endif
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}
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#if defined(CONFIG_LIB_CPLUSPLUS)
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void* operator new(size_t size, const std::nothrow_t&) noexcept
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{
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#if (CONFIG_HEAP_MEM_POOL_SIZE > 0)
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return k_malloc(size);
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#else
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ARG_UNUSED(size);
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return NULL;
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#endif
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}
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void* operator new[](size_t size, const std::nothrow_t&) noexcept
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{
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#if (CONFIG_HEAP_MEM_POOL_SIZE > 0)
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return k_malloc(size);
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#else
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ARG_UNUSED(size);
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return NULL;
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#endif
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}
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void operator delete(void* ptr, const std::nothrow_t&) noexcept
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{
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#if (CONFIG_HEAP_MEM_POOL_SIZE > 0)
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k_free(ptr);
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#else
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ARG_UNUSED(ptr);
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#endif
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}
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void operator delete[](void* ptr, const std::nothrow_t&) noexcept
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{
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#if (CONFIG_HEAP_MEM_POOL_SIZE > 0)
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k_free(ptr);
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#else
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ARG_UNUSED(ptr);
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#endif
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}
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#endif // CONFIG_LIB_CPLUSPLUS
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#if (__cplusplus > 201103L)
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void operator delete(void* ptr, size_t) noexcept
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{
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#if (CONFIG_HEAP_MEM_POOL_SIZE > 0)
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k_free(ptr);
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#else
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ARG_UNUSED(ptr);
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#endif
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}
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void operator delete[](void* ptr, size_t) noexcept
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{
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#if (CONFIG_HEAP_MEM_POOL_SIZE > 0)
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k_free(ptr);
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#else
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ARG_UNUSED(ptr);
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#endif
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}
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#endif // __cplusplus > 201103L
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