102 lines
3.0 KiB
C++
Executable File
102 lines
3.0 KiB
C++
Executable File
/* libstdcxx_wrapper.cc
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Copyright 2009 Red Hat, Inc.
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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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/* We provide these stubs to call into a user's
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provided ONDEE replacement if there is one - otherwise
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it must fall back to the standard libstdc++ version. */
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#include "winsup.h"
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#include "cygwin-cxx.h"
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#include "perprocess.h"
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/* We are declaring asm names for the functions we define here, as we want
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to define the wrappers in this file. GCC links everything with wrappers
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around the standard C++ memory management operators; these are the wrappers,
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but we want the compiler to know they are the malloc operators and not have
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it think they're just any old function matching 'extern "C" _wrap_*'. */
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#ifdef __x86_64__
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#define MANGLED_ZNWX "__wrap__Znwm"
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#define MANGLED_ZNAX "__wrap__Znam"
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#define MANGLED_ZNWX_NOTHROW_T "__wrap__ZnwmRKSt9nothrow_t"
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#define MANGLED_ZNAX_NOTHROW_T "__wrap__ZnamRKSt9nothrow_t"
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#else
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#define MANGLED_ZNWX "___wrap__Znwj"
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#define MANGLED_ZNAX "___wrap__Znaj"
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#define MANGLED_ZNWX_NOTHROW_T "___wrap__ZnwjRKSt9nothrow_t"
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#define MANGLED_ZNAX_NOTHROW_T "___wrap__ZnajRKSt9nothrow_t"
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#endif
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extern void *operator new(std::size_t sz) throw (std::bad_alloc)
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__asm__ (MANGLED_ZNWX);
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extern void *operator new[](std::size_t sz) throw (std::bad_alloc)
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__asm__ (MANGLED_ZNAX);
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extern void operator delete(void *p) throw()
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__asm__ (_SYMSTR (__wrap__ZdlPv));
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extern void operator delete[](void *p) throw()
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__asm__ (_SYMSTR (__wrap__ZdaPv));
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extern void *operator new(std::size_t sz, const std::nothrow_t &nt) throw()
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__asm__ (MANGLED_ZNWX_NOTHROW_T);
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extern void *operator new[](std::size_t sz, const std::nothrow_t &nt) throw()
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__asm__ (MANGLED_ZNAX_NOTHROW_T);
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extern void operator delete(void *p, const std::nothrow_t &nt) throw()
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__asm__ (_SYMSTR (__wrap__ZdlPvRKSt9nothrow_t));
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extern void operator delete[](void *p, const std::nothrow_t &nt) throw()
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__asm__ (_SYMSTR (__wrap__ZdaPvRKSt9nothrow_t));
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extern void *
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operator new(std::size_t sz) throw (std::bad_alloc)
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{
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return (*user_data->cxx_malloc->oper_new) (sz);
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}
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extern void *
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operator new[](std::size_t sz) throw (std::bad_alloc)
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{
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return (*user_data->cxx_malloc->oper_new__) (sz);
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}
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extern void
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operator delete(void *p) throw()
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{
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(*user_data->cxx_malloc->oper_delete) (p);
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}
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extern void
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operator delete[](void *p) throw()
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{
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(*user_data->cxx_malloc->oper_delete__) (p);
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}
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extern void *
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operator new(std::size_t sz, const std::nothrow_t &nt) throw()
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{
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return (*user_data->cxx_malloc->oper_new_nt) (sz, nt);
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}
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extern void *
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operator new[](std::size_t sz, const std::nothrow_t &nt) throw()
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{
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return (*user_data->cxx_malloc->oper_new___nt) (sz, nt);
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}
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extern void
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operator delete(void *p, const std::nothrow_t &nt) throw()
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{
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(*user_data->cxx_malloc->oper_delete_nt) (p, nt);
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}
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extern void
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operator delete[](void *p, const std::nothrow_t &nt) throw()
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{
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(*user_data->cxx_malloc->oper_delete___nt) (p, nt);
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}
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