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