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cxxabi.h (__cxa_vec_new2, [...]): Declare. 

* inc/cxxabi.h (__cxa_vec_new2, __cxa_vec_new3): Declare.
	(__cxa_vec_delete2, __cxa_vec_delete3): Declare.
	* vec.cc (__cxa_vec_new2, __cxa_vec_new3): Implement.
	(__cxa_vec_delete2, __cxa_vec_delete3): Implement.
	(__cxa_vec_new): Use __cxa_vec_new2.
	(__cxa_vec_delete): Use __cxa_vec_delete2.

From-SVN: r35761
This commit is contained in:
Nathan Sidwell 2000-08-17 15:05:43 +00:00 committed by Nathan Sidwell
parent 2f1b80afde
commit d13b34e98a
3 changed files with 135 additions and 7 deletions
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9
gcc/cp/ChangeLog
View File

@ -1,3 +1,12 @@
2000-08-17 Nathan Sidwell <nathan@codesourcery.com>
* inc/cxxabi.h (__cxa_vec_new2, __cxa_vec_new3): Declare.
(__cxa_vec_delete2, __cxa_vec_delete3): Declare.
* vec.cc (__cxa_vec_new2, __cxa_vec_new3): Implement.
(__cxa_vec_delete2, __cxa_vec_delete3): Implement.
(__cxa_vec_new): Use __cxa_vec_new2.
(__cxa_vec_delete): Use __cxa_vec_delete2.
2000-08-17 Nathan Sidwell <nathan@codesourcery.com>
* vec.cc (__cxa_vec_new): Set "C" linkage.

32
gcc/cp/inc/cxxabi.h
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@ -437,6 +437,24 @@ void *__cxa_vec_new (__SIZE_TYPE__ __element_count,
void (*__constructor) (void *),
void (*__destructor) (void *));
extern "C"
void *__cxa_vec_new2 (__SIZE_TYPE__ __element_count,
__SIZE_TYPE__ __element_size,
__SIZE_TYPE__ __padding_size,
void (*__constructor) (void *),
void (*__destructor) (void *),
void *(*__alloc) (__SIZE_TYPE__),
void (*__dealloc) (void *));
extern "C"
void *__cxa_vec_new3 (__SIZE_TYPE__ __element_count,
__SIZE_TYPE__ __element_size,
__SIZE_TYPE__ __padding_size,
void (*__constructor) (void *),
void (*__destructor) (void *),
void *(*__alloc) (__SIZE_TYPE__),
void (*__dealloc) (void *, __SIZE_TYPE__));
/* construct array */
extern "C"
void __cxa_vec_ctor (void *__array_address,
@ -467,6 +485,20 @@ void __cxa_vec_delete (void *__array_address,
__SIZE_TYPE__ __padding_size,
void (*__destructor) (void *));
extern "C"
void __cxa_vec_delete2 (void *__array_address,
__SIZE_TYPE__ __element_size,
__SIZE_TYPE__ __padding_size,
void (*__destructor) (void *),
void (*__dealloc) (void *));
extern "C"
void __cxa_vec_delete3 (void *__array_address,
__SIZE_TYPE__ __element_size,
__SIZE_TYPE__ __padding_size,
void (*__destructor) (void *),
void (*__dealloc) (void *, __SIZE_TYPE__));
/* demangling routines */
extern "C"

101
gcc/cp/vec.cc
View File

@ -46,9 +46,23 @@ __cxa_vec_new (size_t element_count,
size_t padding_size,
void (*constructor) (void *),
void (*destructor) (void *))
{
return __cxa_vec_new2 (element_count, element_size, padding_size,
constructor, destructor,
&operator new[], &operator delete []);
}
extern "C" void *
__cxa_vec_new2 (size_t element_count,
size_t element_size,
size_t padding_size,
void (*constructor) (void *),
void (*destructor) (void *),
void *(*alloc) (size_t),
void (*dealloc) (void *))
{
size_t size = element_count * element_size + padding_size;
char *base = static_cast <char *> (operator new[] (size));
char *base = static_cast <char *> (alloc (size));
if (padding_size)
{
@ -62,8 +76,39 @@ __cxa_vec_new (size_t element_count,
}
catch (...)
{
// operator delete [] cannot throw, so no need to protect it
operator delete[] (base - padding_size);
__uncatch_exception ();
dealloc (base - padding_size);
throw;
}
return base;
}
extern "C" void *
__cxa_vec_new3 (size_t element_count,
size_t element_size,
size_t padding_size,
void (*constructor) (void *),
void (*destructor) (void *),
void *(*alloc) (size_t),
void (*dealloc) (void *, size_t))
{
size_t size = element_count * element_size + padding_size;
char *base = static_cast <char *> (alloc (size));
if (padding_size)
{
base += padding_size;
reinterpret_cast <size_t *> (base)[-1] = element_count;
}
try
{
__cxa_vec_ctor (base, element_count, element_size,
constructor, destructor);
}
catch (...)
{
__uncatch_exception ();
dealloc (base - padding_size, size);
throw;
}
return base;
@ -150,7 +195,7 @@ __cxa_vec_dtor (void *array_address,
{
if (unwinding)
// [except.ctor]/3 If a destructor called during stack unwinding
// exists with an exception, terminate is called.
// exits with an exception, terminate is called.
std::terminate ();
__uncatch_exception ();
__cxa_vec_dtor (array_address, ix, element_size, destructor);
@ -165,6 +210,18 @@ __cxa_vec_delete (void *array_address,
size_t element_size,
size_t padding_size,
void (*destructor) (void *))
{
__cxa_vec_delete2 (array_address, element_size, padding_size,
destructor,
&operator delete []);
}
extern "C" void
__cxa_vec_delete2 (void *array_address,
size_t element_size,
size_t padding_size,
void (*destructor) (void *),
void (*dealloc) (void *))
{
char *base = static_cast <char *> (array_address);
@ -179,12 +236,42 @@ __cxa_vec_delete (void *array_address,
}
catch (...)
{
// operator delete [] cannot throw, so no need to protect it
operator delete[] (base);
__uncatch_exception ();
dealloc (base);
throw;
}
}
operator delete[] (base);
dealloc (base);
}
extern "C" void
__cxa_vec_delete3 (void *array_address,
size_t element_size,
size_t padding_size,
void (*destructor) (void *),
void (*dealloc) (void *, size_t))
{
char *base = static_cast <char *> (array_address);
size_t size = 0;
if (padding_size)
{
size_t element_count = reinterpret_cast <size_t *> (base)[-1];
base -= padding_size;
size = element_count * element_size + padding_size;
try
{
__cxa_vec_dtor (array_address, element_count, element_size,
destructor);
}
catch (...)
{
__uncatch_exception ();
dealloc (base, size);
throw;
}
}
dealloc (base, size);
}
} // namespace __cxxabiv1