diff options
Diffstat (limited to 'lib/libcxxabi/src/stdlib_new_delete.cpp')
-rw-r--r-- | lib/libcxxabi/src/stdlib_new_delete.cpp | 263 |
1 files changed, 0 insertions, 263 deletions
diff --git a/lib/libcxxabi/src/stdlib_new_delete.cpp b/lib/libcxxabi/src/stdlib_new_delete.cpp deleted file mode 100644 index bbd90a5b26d..00000000000 --- a/lib/libcxxabi/src/stdlib_new_delete.cpp +++ /dev/null @@ -1,263 +0,0 @@ -//===--------------------- stdlib_new_delete.cpp --------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -// -// This file implements the new and delete operators. -//===----------------------------------------------------------------------===// - -#define _LIBCPP_BUILDING_LIBRARY -#include "__cxxabi_config.h" -#include <new> -#include <cstdlib> - -#if !defined(_THROW_BAD_ALLOC) || !defined(_NOEXCEPT) || !defined(_LIBCXXABI_WEAK) -#error The _THROW_BAD_ALLOC, _NOEXCEPT, and _LIBCXXABI_WEAK libc++ macros must \ - already be defined by libc++. -#endif -// Implement all new and delete operators as weak definitions -// in this shared library, so that they can be overridden by programs -// that define non-weak copies of the functions. - -_LIBCXXABI_WEAK -void * -operator new(std::size_t size) _THROW_BAD_ALLOC -{ - if (size == 0) - size = 1; - void* p; - while ((p = ::malloc(size)) == 0) - { - // If malloc fails and there is a new_handler, - // call it to try free up memory. - std::new_handler nh = std::get_new_handler(); - if (nh) - nh(); - else -#ifndef _LIBCXXABI_NO_EXCEPTIONS - throw std::bad_alloc(); -#else - break; -#endif - } - return p; -} - -_LIBCXXABI_WEAK -void* -operator new(size_t size, const std::nothrow_t&) _NOEXCEPT -{ - void* p = 0; -#ifndef _LIBCXXABI_NO_EXCEPTIONS - try - { -#endif // _LIBCXXABI_NO_EXCEPTIONS - p = ::operator new(size); -#ifndef _LIBCXXABI_NO_EXCEPTIONS - } - catch (...) - { - } -#endif // _LIBCXXABI_NO_EXCEPTIONS - return p; -} - -_LIBCXXABI_WEAK -void* -operator new[](size_t size) _THROW_BAD_ALLOC -{ - return ::operator new(size); -} - -_LIBCXXABI_WEAK -void* -operator new[](size_t size, const std::nothrow_t&) _NOEXCEPT -{ - void* p = 0; -#ifndef _LIBCXXABI_NO_EXCEPTIONS - try - { -#endif // _LIBCXXABI_NO_EXCEPTIONS - p = ::operator new[](size); -#ifndef _LIBCXXABI_NO_EXCEPTIONS - } - catch (...) - { - } -#endif // _LIBCXXABI_NO_EXCEPTIONS - return p; -} - -_LIBCXXABI_WEAK -void -operator delete(void* ptr) _NOEXCEPT -{ - if (ptr) - ::free(ptr); -} - -_LIBCXXABI_WEAK -void -operator delete(void* ptr, const std::nothrow_t&) _NOEXCEPT -{ - ::operator delete(ptr); -} - -_LIBCXXABI_WEAK -void -operator delete(void* ptr, size_t) _NOEXCEPT -{ - ::operator delete(ptr); -} - -_LIBCXXABI_WEAK -void -operator delete[] (void* ptr) _NOEXCEPT -{ - ::operator delete(ptr); -} - -_LIBCXXABI_WEAK -void -operator delete[] (void* ptr, const std::nothrow_t&) _NOEXCEPT -{ - ::operator delete[](ptr); -} - -_LIBCXXABI_WEAK -void -operator delete[] (void* ptr, size_t) _NOEXCEPT -{ - ::operator delete[](ptr); -} - -#if !defined(_LIBCPP_HAS_NO_LIBRARY_ALIGNED_ALLOCATION) - -_LIBCXXABI_WEAK -void * -operator new(std::size_t size, std::align_val_t alignment) _THROW_BAD_ALLOC -{ - if (size == 0) - size = 1; - if (static_cast<size_t>(alignment) < sizeof(void*)) - alignment = std::align_val_t(sizeof(void*)); - void* p; -#if defined(_LIBCPP_WIN32API) - while ((p = _aligned_malloc(size, static_cast<size_t>(alignment))) == nullptr) -#else - while (::posix_memalign(&p, static_cast<size_t>(alignment), size) != 0) -#endif - { - // If posix_memalign fails and there is a new_handler, - // call it to try free up memory. - std::new_handler nh = std::get_new_handler(); - if (nh) - nh(); - else { -#ifndef _LIBCXXABI_NO_EXCEPTIONS - throw std::bad_alloc(); -#else - p = nullptr; // posix_memalign doesn't initialize 'p' on failure - break; -#endif - } - } - return p; -} - -_LIBCXXABI_WEAK -void* -operator new(size_t size, std::align_val_t alignment, const std::nothrow_t&) _NOEXCEPT -{ - void* p = 0; -#ifndef _LIBCXXABI_NO_EXCEPTIONS - try - { -#endif // _LIBCXXABI_NO_EXCEPTIONS - p = ::operator new(size, alignment); -#ifndef _LIBCXXABI_NO_EXCEPTIONS - } - catch (...) - { - } -#endif // _LIBCXXABI_NO_EXCEPTIONS - return p; -} - -_LIBCXXABI_WEAK -void* -operator new[](size_t size, std::align_val_t alignment) _THROW_BAD_ALLOC -{ - return ::operator new(size, alignment); -} - -_LIBCXXABI_WEAK -void* -operator new[](size_t size, std::align_val_t alignment, const std::nothrow_t&) _NOEXCEPT -{ - void* p = 0; -#ifndef _LIBCXXABI_NO_EXCEPTIONS - try - { -#endif // _LIBCXXABI_NO_EXCEPTIONS - p = ::operator new[](size, alignment); -#ifndef _LIBCXXABI_NO_EXCEPTIONS - } - catch (...) - { - } -#endif // _LIBCXXABI_NO_EXCEPTIONS - return p; -} - -_LIBCXXABI_WEAK -void -operator delete(void* ptr, std::align_val_t) _NOEXCEPT -{ - if (ptr) -#if defined(_LIBCPP_WIN32API) - ::_aligned_free(ptr); -#else - ::free(ptr); -#endif -} - -_LIBCXXABI_WEAK -void -operator delete(void* ptr, std::align_val_t alignment, const std::nothrow_t&) _NOEXCEPT -{ - ::operator delete(ptr, alignment); -} - -_LIBCXXABI_WEAK -void -operator delete(void* ptr, size_t, std::align_val_t alignment) _NOEXCEPT -{ - ::operator delete(ptr, alignment); -} - -_LIBCXXABI_WEAK -void -operator delete[] (void* ptr, std::align_val_t alignment) _NOEXCEPT -{ - ::operator delete(ptr, alignment); -} - -_LIBCXXABI_WEAK -void -operator delete[] (void* ptr, std::align_val_t alignment, const std::nothrow_t&) _NOEXCEPT -{ - ::operator delete[](ptr, alignment); -} - -_LIBCXXABI_WEAK -void -operator delete[] (void* ptr, size_t, std::align_val_t alignment) _NOEXCEPT -{ - ::operator delete[](ptr, alignment); -} - -#endif // !_LIBCPP_HAS_NO_LIBRARY_ALIGNED_ALLOCATION |