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Diffstat (limited to 'winsup/cygwin/libstdcxx_wrapper.cc')
-rwxr-xr-xwinsup/cygwin/libstdcxx_wrapper.cc90
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);
+}
+