diff options
Diffstat (limited to 'winsup/cygwin/libstdcxx_wrapper.cc')
-rwxr-xr-x | winsup/cygwin/libstdcxx_wrapper.cc | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/winsup/cygwin/libstdcxx_wrapper.cc b/winsup/cygwin/libstdcxx_wrapper.cc new file mode 100755 index 000000000..a0d2f25ee --- /dev/null +++ b/winsup/cygwin/libstdcxx_wrapper.cc @@ -0,0 +1,90 @@ +/* libstdcxx_wrapper.cc + + Copyright 2009 Red Hat, Inc. + +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_*'. */ + +extern void *operator new(std::size_t sz) throw (std::bad_alloc) + __asm__ ("___wrap__Znwj"); +extern void *operator new[](std::size_t sz) throw (std::bad_alloc) + __asm__ ("___wrap__Znaj"); +extern void operator delete(void *p) throw() + __asm__ ("___wrap__ZdlPv "); +extern void operator delete[](void *p) throw() + __asm__ ("___wrap__ZdaPv"); +extern void *operator new(std::size_t sz, const std::nothrow_t &nt) throw() + __asm__ ("___wrap__ZnwjRKSt9nothrow_t"); +extern void *operator new[](std::size_t sz, const std::nothrow_t &nt) throw() + __asm__ ("___wrap__ZnajRKSt9nothrow_t"); +extern void operator delete(void *p, const std::nothrow_t &nt) throw() + __asm__ ("___wrap__ZdlPvRKSt9nothrow_t"); +extern void operator delete[](void *p, const std::nothrow_t &nt) throw() + __asm__ ("___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); +} + |