// New abi Support -*- C++ -*-
-// Copyright (C) 2000, 2001 Free Software Foundation, Inc.
+// Copyright (C) 2000, 2001, 2003, 2004, 2009 Free Software Foundation, Inc.
//
-// This file is part of GNU CC.
+// This file is part of GCC.
//
-// GNU CC is free software; you can redistribute it and/or modify
+// GCC is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation; either version 2, or (at your option)
+// the Free Software Foundation; either version 3, or (at your option)
// any later version.
-// GNU CC is distributed in the hope that it will be useful,
+// GCC is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
-// You should have received a copy of the GNU General Public License
-// along with GNU CC; see the file COPYING. If not, write to
-// the Free Software Foundation, 59 Temple Place - Suite 330,
-// Boston, MA 02111-1307, USA.
+// Under Section 7 of GPL version 3, you are granted additional
+// permissions described in the GCC Runtime Library Exception, version
+// 3.1, as published by the Free Software Foundation.
-// As a special exception, you may use this file as part of a free software
-// library without restriction. Specifically, if other files instantiate
-// templates or use macros or inline functions from this file, or you compile
-// this file and link it with other files to produce an executable, this
-// file does not by itself cause the resulting executable to be covered by
-// the GNU General Public License. This exception does not however
-// invalidate any other reasons why the executable file might be covered by
-// the GNU General Public License.
+// You should have received a copy of the GNU General Public License and
+// a copy of the GCC Runtime Library Exception along with this program;
+// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+// <http://www.gnu.org/licenses/>.
// Written by Nathan Sidwell, Codesourcery LLC, <nathan@codesourcery.com>
#include <new>
#include <exception>
#include <exception_defines.h>
-
-#include "exception_support.h"
+#include "unwind-cxx.h"
namespace __cxxabiv1
{
{
struct uncatch_exception
{
- uncatch_exception () { p = __uncatch_exception (); }
- ~uncatch_exception () { __recatch_exception (p); }
+ uncatch_exception();
+ ~uncatch_exception () { __cxa_begin_catch (&p->unwindHeader); }
- cp_eh_info *p;
+ __cxa_exception* p;
+
+ private:
+ uncatch_exception&
+ operator=(const uncatch_exception&);
+
+ uncatch_exception(const uncatch_exception&);
};
+
+ uncatch_exception::uncatch_exception() : p(0)
+ {
+ __cxa_eh_globals *globals = __cxa_get_globals_fast ();
+
+ p = globals->caughtExceptions;
+ p->handlerCount -= 1;
+ globals->caughtExceptions = p->nextException;
+ globals->uncaughtExceptions += 1;
+ }
}
// Allocate and construct array.
__cxa_vec_new(std::size_t element_count,
std::size_t element_size,
std::size_t padding_size,
- void (*constructor) (void *),
- void (*destructor) (void *))
+ __cxa_cdtor_type constructor,
+ __cxa_cdtor_type destructor)
{
return __cxa_vec_new2(element_count, element_size, padding_size,
constructor, destructor,
__cxa_vec_new2(std::size_t element_count,
std::size_t element_size,
std::size_t padding_size,
- void (*constructor) (void *),
- void (*destructor) (void *),
- void *(*alloc) (size_t),
+ __cxa_cdtor_type constructor,
+ __cxa_cdtor_type destructor,
+ void *(*alloc) (std::size_t),
void (*dealloc) (void *))
{
std::size_t size = element_count * element_size + padding_size;
char *base = static_cast <char *> (alloc (size));
-
+ if (!base)
+ return base;
+
if (padding_size)
{
base += padding_size;
reinterpret_cast <std::size_t *> (base)[-1] = element_count;
+#ifdef _GLIBCXX_ELTSIZE_IN_COOKIE
+ reinterpret_cast <std::size_t *> (base)[-2] = element_size;
+#endif
}
try
{
__cxa_vec_new3(std::size_t element_count,
std::size_t element_size,
std::size_t padding_size,
- void (*constructor) (void *),
- void (*destructor) (void *),
+ __cxa_cdtor_type constructor,
+ __cxa_cdtor_type destructor,
void *(*alloc) (std::size_t),
void (*dealloc) (void *, std::size_t))
{
std::size_t size = element_count * element_size + padding_size;
char *base = static_cast<char *>(alloc (size));
+ if (!base)
+ return base;
if (padding_size)
{
base += padding_size;
reinterpret_cast<std::size_t *>(base)[-1] = element_count;
+#ifdef _GLIBCXX_ELTSIZE_IN_COOKIE
+ reinterpret_cast <std::size_t *> (base)[-2] = element_size;
+#endif
}
try
{
}
// Construct array.
- extern "C" void
+ extern "C" __cxa_vec_ctor_return_type
__cxa_vec_ctor(void *array_address,
std::size_t element_count,
std::size_t element_size,
- void (*constructor) (void *),
- void (*destructor) (void *))
+ __cxa_cdtor_type constructor,
+ __cxa_cdtor_type destructor)
{
std::size_t ix = 0;
char *ptr = static_cast<char *>(array_address);
{
{
uncatch_exception ue;
- __cxa_vec_dtor(array_address, ix, element_size, destructor);
+ __cxa_vec_cleanup(array_address, ix, element_size, destructor);
}
__throw_exception_again;
}
+ _GLIBCXX_CXA_VEC_CTOR_RETURN (array_address);
}
// Construct an array by copying.
- extern "C" void
+ extern "C" __cxa_vec_ctor_return_type
__cxa_vec_cctor(void *dest_array,
void *src_array,
std::size_t element_count,
std::size_t element_size,
- void (*constructor) (void *, void *),
- void (*destructor) (void *))
+ __cxa_cdtor_return_type (*constructor) (void *, void *),
+ __cxa_cdtor_type destructor)
{
std::size_t ix = 0;
char *dest_ptr = static_cast<char *>(dest_array);
{
{
uncatch_exception ue;
- __cxa_vec_dtor (dest_array, ix, element_size, destructor);
+ __cxa_vec_cleanup(dest_array, ix, element_size, destructor);
}
__throw_exception_again;
}
+ _GLIBCXX_CXA_VEC_CTOR_RETURN (dest_array);
}
// Destruct array.
__cxa_vec_dtor(void *array_address,
std::size_t element_count,
std::size_t element_size,
- void (*destructor) (void *))
+ __cxa_cdtor_type destructor)
{
if (destructor)
{
char *ptr = static_cast<char *>(array_address);
std::size_t ix = element_count;
- bool unwinding = std::uncaught_exception();
-
+
ptr += element_count * element_size;
-
+
try
{
while (ix--)
}
catch (...)
{
- if (unwinding)
- // [except.ctor]/3 If a destructor called during stack unwinding
- // exits with an exception, terminate is called.
- std::terminate ();
{
uncatch_exception ue;
- __cxa_vec_dtor(array_address, ix, element_size, destructor);
+ __cxa_vec_cleanup(array_address, ix, element_size, destructor);
}
__throw_exception_again;
}
}
}
+ // Destruct array as a result of throwing an exception.
+ // [except.ctor]/3 If a destructor called during stack unwinding
+ // exits with an exception, terminate is called.
+ extern "C" void
+ __cxa_vec_cleanup(void *array_address,
+ std::size_t element_count,
+ std::size_t element_size,
+ __cxa_cdtor_type destructor)
+ {
+ if (destructor)
+ {
+ char *ptr = static_cast <char *> (array_address);
+ std::size_t ix = element_count;
+
+ ptr += element_count * element_size;
+
+ try
+ {
+ while (ix--)
+ {
+ ptr -= element_size;
+ destructor(ptr);
+ }
+ }
+ catch (...)
+ {
+ std::terminate();
+ }
+ }
+ }
+
// Destruct and release array.
extern "C" void
__cxa_vec_delete(void *array_address,
std::size_t element_size,
std::size_t padding_size,
- void (*destructor) (void *))
+ __cxa_cdtor_type destructor)
{
__cxa_vec_delete2(array_address, element_size, padding_size,
destructor,
__cxa_vec_delete2(void *array_address,
std::size_t element_size,
std::size_t padding_size,
- void (*destructor) (void *),
+ __cxa_cdtor_type destructor,
void (*dealloc) (void *))
{
- char *base = static_cast<char *>(array_address);
+ if (!array_address)
+ return;
+
+ char* base = static_cast<char *>(array_address);
if (padding_size)
{
__cxa_vec_delete3(void *array_address,
std::size_t element_size,
std::size_t padding_size,
- void (*destructor) (void *),
+ __cxa_cdtor_type destructor,
void (*dealloc) (void *, std::size_t))
{
- char *base = static_cast <char *> (array_address);
+ if (!array_address)
+ return;
+
+ char* base = static_cast <char *> (array_address);
std::size_t size = 0;
-
+
if (padding_size)
{
std::size_t element_count = reinterpret_cast<std::size_t *> (base)[-1];
dealloc(base, size);
}
} // namespace __cxxabiv1
+
+#if defined(__arm__) && defined(__ARM_EABI__)
+
+// The ARM C++ ABI requires that the library provide these additional
+// helper functions. There are placed in this file, despite being
+// architecture-specifier, so that the compiler can inline the __cxa
+// functions into these functions as appropriate.
+
+namespace __aeabiv1
+{
+ extern "C" void *
+ __aeabi_vec_ctor_nocookie_nodtor (void *array_address,
+ abi::__cxa_cdtor_type constructor,
+ std::size_t element_size,
+ std::size_t element_count)
+ {
+ return abi::__cxa_vec_ctor (array_address, element_count, element_size,
+ constructor, /*destructor=*/NULL);
+ }
+
+ extern "C" void *
+ __aeabi_vec_ctor_cookie_nodtor (void *array_address,
+ abi::__cxa_cdtor_type constructor,
+ std::size_t element_size,
+ std::size_t element_count)
+ {
+ if (array_address == NULL)
+ return NULL;
+
+ array_address = reinterpret_cast<std::size_t *>(array_address) + 2;
+ reinterpret_cast<std::size_t *>(array_address)[-2] = element_size;
+ reinterpret_cast<std::size_t *>(array_address)[-1] = element_count;
+ return abi::__cxa_vec_ctor (array_address,
+ element_count, element_size,
+ constructor, /*destructor=*/NULL);
+ }
+
+ extern "C" void *
+ __aeabi_vec_cctor_nocookie_nodtor (void *dest_array,
+ void *src_array,
+ std::size_t element_size,
+ std::size_t element_count,
+ void *(*constructor) (void *, void *))
+ {
+ return abi::__cxa_vec_cctor (dest_array, src_array,
+ element_count, element_size,
+ constructor, NULL);
+ }
+
+ extern "C" void *
+ __aeabi_vec_new_cookie_noctor (std::size_t element_size,
+ std::size_t element_count)
+ {
+ return abi::__cxa_vec_new(element_count, element_size,
+ 2 * sizeof (std::size_t),
+ /*constructor=*/NULL, /*destructor=*/NULL);
+ }
+
+ extern "C" void *
+ __aeabi_vec_new_nocookie (std::size_t element_size,
+ std::size_t element_count,
+ abi::__cxa_cdtor_type constructor)
+ {
+ return abi::__cxa_vec_new (element_count, element_size, 0, constructor,
+ NULL);
+ }
+
+ extern "C" void *
+ __aeabi_vec_new_cookie_nodtor (std::size_t element_size,
+ std::size_t element_count,
+ abi::__cxa_cdtor_type constructor)
+ {
+ return abi::__cxa_vec_new(element_count, element_size,
+ 2 * sizeof (std::size_t),
+ constructor, NULL);
+ }
+
+ extern "C" void *
+ __aeabi_vec_new_cookie(std::size_t element_size,
+ std::size_t element_count,
+ abi::__cxa_cdtor_type constructor,
+ abi::__cxa_cdtor_type destructor)
+ {
+ return abi::__cxa_vec_new (element_count, element_size,
+ 2 * sizeof (std::size_t),
+ constructor, destructor);
+ }
+
+
+ extern "C" void *
+ __aeabi_vec_dtor (void *array_address,
+ abi::__cxa_cdtor_type destructor,
+ std::size_t element_size,
+ std::size_t element_count)
+ {
+ abi::__cxa_vec_dtor (array_address, element_count, element_size,
+ destructor);
+ return reinterpret_cast<std::size_t*> (array_address) - 2;
+ }
+
+ extern "C" void *
+ __aeabi_vec_dtor_cookie (void *array_address,
+ abi::__cxa_cdtor_type destructor)
+ {
+ if (!array_address)
+ return NULL;
+
+ abi::__cxa_vec_dtor (array_address,
+ reinterpret_cast<std::size_t *>(array_address)[-1],
+ reinterpret_cast<std::size_t *>(array_address)[-2],
+ destructor);
+ return reinterpret_cast<std::size_t*> (array_address) - 2;
+ }
+
+
+ extern "C" void
+ __aeabi_vec_delete (void *array_address,
+ abi::__cxa_cdtor_type destructor)
+ {
+ if (!array_address)
+ return;
+
+ abi::__cxa_vec_delete (array_address,
+ reinterpret_cast<std::size_t *>(array_address)[-2],
+ 2 * sizeof (std::size_t),
+ destructor);
+ }
+
+ extern "C" void
+ __aeabi_vec_delete3 (void *array_address,
+ abi::__cxa_cdtor_type destructor,
+ void (*dealloc) (void *, std::size_t))
+ {
+ if (!array_address)
+ return;
+
+ abi::__cxa_vec_delete3 (array_address,
+ reinterpret_cast<std::size_t *>(array_address)[-2],
+ 2 * sizeof (std::size_t),
+ destructor, dealloc);
+ }
+
+ extern "C" void
+ __aeabi_vec_delete3_nodtor (void *array_address,
+ void (*dealloc) (void *, std::size_t))
+ {
+ if (!array_address)
+ return;
+
+ abi::__cxa_vec_delete3 (array_address,
+ reinterpret_cast<std::size_t *>(array_address)[-2],
+ 2 * sizeof (std::size_t),
+ /*destructor=*/NULL, dealloc);
+ }
+} // namespace __aeabiv1
+
+#endif // defined(__arm__) && defined(__ARM_EABI__)