116 lines
2 KiB
C++
116 lines
2 KiB
C++
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/* cxx.cc
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This file is part of Cygwin.
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This software is a copyrighted work licensed under the terms of the
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Cygwin license. Please consult the file "CYGWIN_LICENSE" for
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details. */
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#if (__GNUC__ >= 3)
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#include "winsup.h"
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#include "cygwin-cxx.h"
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/* These implementations of operators new and delete are used internally by
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the DLL, and are kept separate from the user's/libstdc++'s versions by
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use of LD's --wrap option. */
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void *
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operator new (std::size_t s)
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{
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void *p = calloc (1, s);
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return p;
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}
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void
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operator delete (void *p)
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{
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free (p);
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}
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#pragma GCC diagnostic push
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#pragma GCC diagnostic ignored "-Wc++14-compat"
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void
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operator delete (void *p, size_t)
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{
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::operator delete(p);
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}
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#pragma GCC diagnostic pop
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void *
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operator new[] (std::size_t s)
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{
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return ::operator new (s);
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}
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void
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operator delete[] (void *p)
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{
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::operator delete (p);
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}
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/* Nothrow versions, provided only for completeness in the fallback array. */
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void *
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operator new (std::size_t s, const std::nothrow_t &)
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{
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void *p = calloc (1, s);
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return p;
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}
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void
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operator delete (void *p, const std::nothrow_t &)
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{
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free (p);
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}
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void *
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operator new[] (std::size_t s, const std::nothrow_t &nt)
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{
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return ::operator new (s, nt);
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}
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void
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operator delete[] (void *p, const std::nothrow_t &nt)
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{
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::operator delete (p, nt);
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}
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extern "C" void
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__cxa_pure_virtual (void)
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{
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api_fatal ("pure virtual method called");
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}
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extern "C" void
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__cxa_guard_acquire ()
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{
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}
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extern "C" void
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__cxa_guard_release ()
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{
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}
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/* These routines are made available as last-resort fallbacks
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for the application. Should not be used in practice; the
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entries in this struct get overwritten by each DLL as it
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is loaded, and libstdc++ will override the whole lot first
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thing of all. */
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struct per_process_cxx_malloc default_cygwin_cxx_malloc =
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{
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&(operator new),
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&(operator new[]),
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&(operator delete),
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&(operator delete[]),
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&(operator new),
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&(operator new[]),
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&(operator delete),
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&(operator delete[]),
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};
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#endif
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