// new abi support -*- C++ -*-
-// Copyright (C) 2000, 2002, 2003 Free Software Foundation, Inc.
+// Copyright (C) 2000, 2002, 2003, 2004 Free Software Foundation, Inc.
//
// This file is part of GCC.
//
#ifndef _CXXABI_H
#define _CXXABI_H 1
+#include <stddef.h>
+
#ifdef __cplusplus
+namespace __cxxabiv1
+{
+ extern "C"
+ {
+#endif
+
+ // Allocate array.
+ void*
+ __cxa_vec_new(size_t __element_count, size_t __element_size,
+ size_t __padding_size, void (*__constructor) (void*),
+ void (*__destructor) (void*));
+
+ 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*));
+
+ 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));
+
+ // Construct array.
+ void
+ __cxa_vec_ctor(void* __array_address, size_t __element_count,
+ size_t __element_size, void (*__constructor) (void*),
+ void (*__destructor) (void*));
+
+ void
+ __cxa_vec_cctor(void* dest_array, void* src_array, size_t element_count,
+ size_t element_size, void (*constructor) (void*, void*),
+ void (*destructor) (void*));
+
+ // Destruct array.
+ void
+ __cxa_vec_dtor(void* __array_address, size_t __element_count,
+ size_t __element_size, void (*__destructor) (void*));
+
+ void
+ __cxa_vec_cleanup(void* __array_address, size_t __element_count,
+ size_t __element_size, void (*__destructor) (void*));
+
+ // Destruct and release array.
+ void
+ __cxa_vec_delete(void* __array_address, size_t __element_size,
+ size_t __padding_size, void (*__destructor) (void*));
+
+ void
+ __cxa_vec_delete2(void* __array_address, size_t __element_size,
+ size_t __padding_size, void (*__destructor) (void*),
+ void (*__dealloc) (void*));
+
+ void
+ __cxa_vec_delete3(void* __array_address, size_t __element_size,
+ size_t __padding_size, void (*__destructor) (void*),
+ void (*__dealloc) (void*, size_t));
-// We use the compiler builtins __SIZE_TYPE__ and __PTRDIFF_TYPE__ instead of
-// std::size_t and std::ptrdiff_t respectively. This makes us independent of
-// the conformance level of <cstddef> and whether -fhonor-std was supplied.
-// <cstddef> is not currently available during compiler building anyway.
-// Including <stddef.h> would be wrong, as that would rudely place size_t in
-// the global namespace.
+ // The ABI requires a 64-bit type.
+ __extension__ typedef int __guard __attribute__((mode (__DI__)));
-#include <typeinfo>
+ int
+ __cxa_guard_acquire(__guard*);
-namespace __cxxabiv1
-{
+ void
+ __cxa_guard_release(__guard*);
-/* type information for int, float etc */
-class __fundamental_type_info
- : public std::type_info
-{
-public:
- virtual ~__fundamental_type_info ();
-public:
- explicit __fundamental_type_info (const char *__n)
- : std::type_info (__n)
- { }
-};
+ void
+ __cxa_guard_abort(__guard*);
-/* type information for array objects */
-class __array_type_info
- : public std::type_info
-{
-/* abi defined member functions */
-protected:
- virtual ~__array_type_info ();
-public:
- explicit __array_type_info (const char *__n)
- : std::type_info (__n)
- { }
-};
+ // Pure virtual functions.
+ void
+ __cxa_pure_virtual(void);
-/* type information for functions (both member and non-member) */
-class __function_type_info
- : public std::type_info
-{
-/* abi defined member functions */
-public:
- virtual ~__function_type_info ();
-public:
- explicit __function_type_info (const char *__n)
- : std::type_info (__n)
- { }
-
-/* implementation defined member functions */
-protected:
- virtual bool __is_function_p () const;
-};
-
-/* type information for enumerations */
-class __enum_type_info
- : public std::type_info
-{
-/* abi defined member functions */
-public:
- virtual ~__enum_type_info ();
-public:
- explicit __enum_type_info (const char *__n)
- : std::type_info (__n)
- { }
-};
+ // Exception handling.
+ void
+ __cxa_bad_cast();
-/* common type information for simple pointers and pointers to member */
-class __pbase_type_info
- : public std::type_info
-{
-/* abi defined member variables */
-public:
- unsigned int __flags; /* qualification of the target object */
- const std::type_info *__pointee; /* type of pointed to object */
-
-/* abi defined member functions */
-public:
- virtual ~__pbase_type_info ();
-public:
- explicit __pbase_type_info (const char *__n,
- int __quals,
- const std::type_info *__type)
- : std::type_info (__n), __flags (__quals), __pointee (__type)
- { }
+ void
+ __cxa_bad_typeid();
-/* implementation defined types */
-public:
- enum __masks {
- __const_mask = 0x1,
- __volatile_mask = 0x2,
- __restrict_mask = 0x4,
- __incomplete_mask = 0x8,
- __incomplete_class_mask = 0x10
- };
+ // DSO destruction.
+ int
+ __cxa_atexit(void (*)(void*), void*, void*);
-/* implementation defined member functions */
-protected:
- virtual bool __do_catch (const std::type_info *__thr_type,
- void **__thr_obj,
- unsigned __outer) const;
-protected:
- inline virtual bool __pointer_catch (const __pbase_type_info *__thr_type,
- void **__thr_obj,
- unsigned __outer) const;
-};
-
-/* type information for simple pointers */
-class __pointer_type_info
- : public __pbase_type_info
-{
-/* abi defined member functions */
-public:
- virtual ~__pointer_type_info ();
-public:
- explicit __pointer_type_info (const char *__n,
- int __quals,
- const std::type_info *__type)
- : __pbase_type_info (__n, __quals, __type)
- { }
+ int
+ __cxa_finalize(void*);
-/* implementation defined member functions */
-protected:
- virtual bool __is_pointer_p () const;
+ // Demangling routines.
+ char*
+ __cxa_demangle(const char* __mangled_name, char* __output_buffer,
+ size_t* __length, int* __status);
+#ifdef __cplusplus
+ }
+} // namespace __cxxabiv1
+#endif
-protected:
- virtual bool __pointer_catch (const __pbase_type_info *__thr_type,
- void **__thr_obj,
- unsigned __outer) const;
-};
+#ifdef __cplusplus
-class __class_type_info;
+#include <typeinfo>
-/* type information for a pointer to member variable */
-class __pointer_to_member_type_info
- : public __pbase_type_info
+namespace __cxxabiv1
{
-/* abi defined member variables */
-public:
- __class_type_info *__context; /* class of the member */
-
-/* abi defined member functions */
-public:
- virtual ~__pointer_to_member_type_info ();
-public:
- explicit __pointer_to_member_type_info (const char *__n,
- int __quals,
- const std::type_info *__type,
- __class_type_info *__klass)
- : __pbase_type_info (__n, __quals, __type), __context (__klass)
- { }
+ // Type information for int, float etc.
+ class __fundamental_type_info : public std::type_info
+ {
+ public:
+ explicit
+ __fundamental_type_info(const char* __n) : std::type_info(__n) { }
-/* implementation defined member functions */
-protected:
- virtual bool __pointer_catch (const __pbase_type_info *__thr_type,
- void **__thr_obj,
- unsigned __outer) const;
-};
+ virtual
+ ~__fundamental_type_info();
+ };
-/* helper class for __vmi_class_type */
-class __base_class_type_info
-{
-/* abi defined member variables */
-public:
- const __class_type_info* __base_type; /* base class type */
- long __offset_flags; /* offset and info */
-
-/* implementation defined types */
-public:
- enum __offset_flags_masks {
- __virtual_mask = 0x1,
- __public_mask = 0x2,
- __hwm_bit = 2,
- __offset_shift = 8 /* bits to shift offset by */
+ // Type information for array objects.
+ class __array_type_info : public std::type_info
+ {
+ public:
+ explicit
+ __array_type_info(const char* __n) : std::type_info(__n) { }
+
+ virtual
+ ~__array_type_info();
};
-
-/* implementation defined member functions */
-public:
- bool __is_virtual_p () const
- { return __offset_flags & __virtual_mask; }
- bool __is_public_p () const
- { return __offset_flags & __public_mask; }
- __PTRDIFF_TYPE__ __offset () const
- {
- // This shift, being of a signed type, is implementation defined. GCC
- // implements such shifts as arithmetic, which is what we want.
- return static_cast<__PTRDIFF_TYPE__> (__offset_flags) >> __offset_shift;
- }
-};
-/* type information for a class */
-class __class_type_info
- : public std::type_info
-{
-/* abi defined member functions */
-public:
- virtual ~__class_type_info ();
-public:
- explicit __class_type_info (const char *__n)
- : type_info (__n)
- { }
+ // Type information for functions (both member and non-member).
+ class __function_type_info : public std::type_info
+ {
+ public:
+ explicit
+ __function_type_info(const char* __n) : std::type_info(__n) { }
-/* implementation defined types */
-public:
- /* sub_kind tells us about how a base object is contained within a derived
- object. We often do this lazily, hence the UNKNOWN value. At other times
- we may use NOT_CONTAINED to mean not publicly contained. */
- enum __sub_kind
+ virtual
+ ~__function_type_info();
+
+ protected:
+ // Implementation defined member function.
+ virtual bool
+ __is_function_p() const;
+ };
+
+ // Type information for enumerations.
+ class __enum_type_info : public std::type_info
{
- __unknown = 0, /* we have no idea */
- __not_contained, /* not contained within us (in some */
- /* circumstances this might mean not contained */
- /* publicly) */
- __contained_ambig, /* contained ambiguously */
-
- __contained_virtual_mask = __base_class_type_info::__virtual_mask, /* via a virtual path */
- __contained_public_mask = __base_class_type_info::__public_mask, /* via a public path */
- __contained_mask = 1 << __base_class_type_info::__hwm_bit, /* contained within us */
-
- __contained_private = __contained_mask,
- __contained_public = __contained_mask | __contained_public_mask
+ public:
+ explicit
+ __enum_type_info(const char* __n) : std::type_info(__n) { }
+
+ virtual
+ ~__enum_type_info();
};
-public:
- struct __upcast_result;
- struct __dyncast_result;
-
-/* implementation defined member functions */
-protected:
- virtual bool __do_upcast (const __class_type_info *__dst_type, void **__obj_ptr) const;
-
-protected:
- virtual bool __do_catch (const type_info *__thr_type, void **__thr_obj,
- unsigned __outer) const;
-
-
-public:
- /* Helper for upcast. See if DST is us, or one of our bases. */
- /* Return false if not found, true if found. */
- virtual bool __do_upcast (const __class_type_info *__dst,
- const void *__obj,
- __upcast_result &__restrict __result) const;
-
-public:
- /* Indicate whether SRC_PTR of type SRC_TYPE is contained publicly within
- OBJ_PTR. OBJ_PTR points to a base object of our type, which is the
- destination type. SRC2DST indicates how SRC objects might be contained
- within this type. If SRC_PTR is one of our SRC_TYPE bases, indicate the
- virtuality. Returns not_contained for non containment or private
- containment. */
- inline __sub_kind __find_public_src (__PTRDIFF_TYPE__ __src2dst,
- const void *__obj_ptr,
- const __class_type_info *__src_type,
- const void *__src_ptr) const;
-
-public:
- /* dynamic cast helper. ACCESS_PATH gives the access from the most derived
- object to this base. DST_TYPE indicates the desired type we want. OBJ_PTR
- points to a base of our type within the complete object. SRC_TYPE
- indicates the static type started from and SRC_PTR points to that base
- within the most derived object. Fill in RESULT with what we find. Return
- true if we have located an ambiguous match. */
- virtual bool __do_dyncast (__PTRDIFF_TYPE__ __src2dst,
- __sub_kind __access_path,
- const __class_type_info *__dst_type,
- const void *__obj_ptr,
- const __class_type_info *__src_type,
- const void *__src_ptr,
- __dyncast_result &__result) const;
-public:
- /* Helper for find_public_subobj. SRC2DST indicates how SRC_TYPE bases are
- inherited by the type started from -- which is not necessarily the
- current type. The current type will be a base of the destination type.
- OBJ_PTR points to the current base. */
- virtual __sub_kind __do_find_public_src (__PTRDIFF_TYPE__ __src2dst,
- const void *__obj_ptr,
- const __class_type_info *__src_type,
- const void *__src_ptr) const;
-};
-
-/* type information for a class with a single non-virtual base */
-class __si_class_type_info
- : public __class_type_info
-{
-/* abi defined member variables */
-public:
- const __class_type_info *__base_type;
-
-/* abi defined member functions */
-public:
- virtual ~__si_class_type_info ();
-public:
- explicit __si_class_type_info (const char *__n,
- const __class_type_info *__base)
- : __class_type_info (__n), __base_type (__base)
+ // Common type information for simple pointers and pointers to member.
+ class __pbase_type_info : public std::type_info
+ {
+ public:
+ unsigned int __flags; // Qualification of the target object.
+ const std::type_info* __pointee; // Type of pointed to object.
+
+ explicit
+ __pbase_type_info(const char* __n, int __quals,
+ const std::type_info* __type)
+ : std::type_info(__n), __flags(__quals), __pointee(__type)
{ }
+
+ virtual
+ ~__pbase_type_info();
+
+ // Implementation defined type.
+ enum __masks
+ {
+ __const_mask = 0x1,
+ __volatile_mask = 0x2,
+ __restrict_mask = 0x4,
+ __incomplete_mask = 0x8,
+ __incomplete_class_mask = 0x10
+ };
+
+ protected:
+ __pbase_type_info(const __pbase_type_info&);
+
+ __pbase_type_info&
+ operator=(const __pbase_type_info&);
+
+ // Implementation defined member functions.
+ virtual bool
+ __do_catch(const std::type_info* __thr_type, void** __thr_obj,
+ unsigned int __outer) const;
+
+ inline virtual bool
+ __pointer_catch(const __pbase_type_info* __thr_type, void** __thr_obj,
+ unsigned __outer) const;
+ };
-/* implementation defined member functions */
-protected:
- virtual bool __do_dyncast (__PTRDIFF_TYPE__ __src2dst,
- __sub_kind __access_path,
- const __class_type_info *__dst_type,
- const void *__obj_ptr,
- const __class_type_info *__src_type,
- const void *__src_ptr,
- __dyncast_result &__result) const;
- virtual __sub_kind __do_find_public_src (__PTRDIFF_TYPE__ __src2dst,
- const void *__obj_ptr,
- const __class_type_info *__src_type,
- const void *__sub_ptr) const;
- virtual bool __do_upcast (const __class_type_info *__dst,
- const void *__obj,
- __upcast_result &__restrict __result) const;
-};
-
-/* type information for a class with multiple and/or virtual bases */
-class __vmi_class_type_info : public __class_type_info {
-/* abi defined member variables */
-public:
- unsigned int __flags; /* details about the class hierarchy */
- unsigned int __base_count; /* number of direct bases */
- __base_class_type_info __base_info[1]; /* array of bases */
- /* The array of bases uses the trailing array struct hack
- so this class is not constructable with a normal constructor. It is
- internally generated by the compiler. */
-
-/* abi defined member functions */
-public:
- virtual ~__vmi_class_type_info ();
-public:
- explicit __vmi_class_type_info (const char *__n,
- int ___flags)
- : __class_type_info (__n), __flags (___flags), __base_count (0)
- { }
+ // Type information for simple pointers.
+ class __pointer_type_info : public __pbase_type_info
+ {
+ public:
+ explicit
+ __pointer_type_info(const char* __n, int __quals,
+ const std::type_info* __type)
+ : __pbase_type_info (__n, __quals, __type) { }
+
+
+ virtual
+ ~__pointer_type_info();
-/* implementation defined types */
-public:
- enum __flags_masks {
- __non_diamond_repeat_mask = 0x1, /* distinct instance of repeated base */
- __diamond_shaped_mask = 0x2, /* diamond shaped multiple inheritance */
- __flags_unknown_mask = 0x10
+ protected:
+ // Implementation defined member functions.
+ virtual bool
+ __is_pointer_p() const;
+
+ virtual bool
+ __pointer_catch(const __pbase_type_info* __thr_type, void** __thr_obj,
+ unsigned __outer) const;
};
-/* implementation defined member functions */
-protected:
- virtual bool __do_dyncast (__PTRDIFF_TYPE__ __src2dst,
- __sub_kind __access_path,
- const __class_type_info *__dst_type,
- const void *__obj_ptr,
- const __class_type_info *__src_type,
- const void *__src_ptr,
- __dyncast_result &__result) const;
- virtual __sub_kind __do_find_public_src (__PTRDIFF_TYPE__ __src2dst,
- const void *__obj_ptr,
- const __class_type_info *__src_type,
- const void *__src_ptr) const;
- virtual bool __do_upcast (const __class_type_info *__dst,
- const void *__obj,
- __upcast_result &__restrict __result) const;
-};
-
-/* dynamic cast runtime */
-extern "C"
-void *__dynamic_cast (const void *__src_ptr, /* object started from */
- const __class_type_info *__src_type, /* static type of object */
- const __class_type_info *__dst_type, /* desired target type */
- __PTRDIFF_TYPE__ __src2dst); /* how src and dst are related */
-
- /* src2dst has the following possible values
- >= 0: src_type is a unique public non-virtual base of dst_type
- dst_ptr + src2dst == src_ptr
- -1: unspecified relationship
- -2: src_type is not a public base of dst_type
- -3: src_type is a multiple public non-virtual base of dst_type */
-
-/* array ctor/dtor routines */
-
-/* allocate and construct array */
-extern "C"
-void *__cxa_vec_new (__SIZE_TYPE__ __element_count,
- __SIZE_TYPE__ __element_size,
- __SIZE_TYPE__ __padding_size,
- 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,
- __SIZE_TYPE__ __element_count,
- __SIZE_TYPE__ __element_size,
- void (*__constructor) (void *),
- void (*__destructor) (void *));
-
-extern "C"
-void __cxa_vec_cctor (void *dest_array,
- void *src_array,
- __SIZE_TYPE__ element_count,
- __SIZE_TYPE__ element_size,
- void (*constructor) (void *, void *),
- void (*destructor) (void *));
-
-/* destruct array */
-extern "C"
-void __cxa_vec_dtor (void *__array_address,
- __SIZE_TYPE__ __element_count,
- __SIZE_TYPE__ __element_size,
- void (*__destructor) (void *));
-
-/* destruct array */
-extern "C"
-void __cxa_vec_cleanup (void *__array_address,
- __SIZE_TYPE__ __element_count,
- __SIZE_TYPE__ __element_size,
- void (*__destructor) (void *));
-
-/* destruct and release array */
-extern "C"
-void __cxa_vec_delete (void *__array_address,
- __SIZE_TYPE__ __element_size,
- __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__));
+ class __class_type_info;
-/* guard variables */
+ // Type information for a pointer to member variable.
+ class __pointer_to_member_type_info : public __pbase_type_info
+ {
+ public:
+ __class_type_info* __context; // Class of the member.
-/* The ABI requires a 64-bit type. */
-__extension__ typedef int __guard __attribute__((mode (__DI__)));
+ explicit
+ __pointer_to_member_type_info(const char* __n, int __quals,
+ const std::type_info* __type,
+ __class_type_info* __klass)
+ : __pbase_type_info(__n, __quals, __type), __context(__klass) { }
-extern "C"
-int __cxa_guard_acquire (__guard *);
+ virtual
+ ~__pointer_to_member_type_info();
-extern "C"
-void __cxa_guard_release (__guard *);
+ protected:
+ __pointer_to_member_type_info(const __pointer_to_member_type_info&);
-extern "C"
-void __cxa_guard_abort (__guard *);
+ __pointer_to_member_type_info&
+ operator=(const __pointer_to_member_type_info&);
-/* pure virtual functions */
+ // Implementation defined member function.
+ virtual bool
+ __pointer_catch(const __pbase_type_info* __thr_type, void** __thr_obj,
+ unsigned __outer) const;
+ };
-extern "C" void
-__cxa_pure_virtual (void);
+ // Helper class for __vmi_class_type.
+ class __base_class_type_info
+ {
+ public:
+ const __class_type_info* __base_type; // Base class type.
+ long __offset_flags; // Offset and info.
+
+ enum __offset_flags_masks
+ {
+ __virtual_mask = 0x1,
+ __public_mask = 0x2,
+ __hwm_bit = 2,
+ __offset_shift = 8 // Bits to shift offset.
+ };
+
+ // Implementation defined member functions.
+ bool
+ __is_virtual_p() const
+ { return __offset_flags & __virtual_mask; }
+
+ bool
+ __is_public_p() const
+ { return __offset_flags & __public_mask; }
+
+ ptrdiff_t
+ __offset() const
+ {
+ // This shift, being of a signed type, is implementation
+ // defined. GCC implements such shifts as arithmetic, which is
+ // what we want.
+ return static_cast<ptrdiff_t>(__offset_flags) >> __offset_shift;
+ }
+ };
+
+ // Type information for a class.
+ class __class_type_info : public std::type_info
+ {
+ public:
+ explicit
+ __class_type_info (const char *__n) : type_info(__n) { }
+
+ virtual
+ ~__class_type_info ();
+
+ // Implementation defined types.
+ // The type sub_kind tells us about how a base object is contained
+ // within a derived object. We often do this lazily, hence the
+ // UNKNOWN value. At other times we may use NOT_CONTAINED to mean
+ // not publicly contained.
+ enum __sub_kind
+ {
+ // We have no idea.
+ __unknown = 0,
+
+ // Not contained within us (in some circumstances this might
+ // mean not contained publicly)
+ __not_contained,
+
+ // Contained ambiguously.
+ __contained_ambig,
+
+ // Via a virtual path.
+ __contained_virtual_mask = __base_class_type_info::__virtual_mask,
-/* exception handling */
+ // Via a public path.
+ __contained_public_mask = __base_class_type_info::__public_mask,
-extern "C" void
-__cxa_bad_cast ();
+ // Contained within us.
+ __contained_mask = 1 << __base_class_type_info::__hwm_bit,
+
+ __contained_private = __contained_mask,
+ __contained_public = __contained_mask | __contained_public_mask
+ };
+
+ struct __upcast_result;
+ struct __dyncast_result;
+
+ protected:
+ // Implementation defined member functions.
+ virtual bool
+ __do_upcast(const __class_type_info* __dst_type, void**__obj_ptr) const;
+
+ virtual bool
+ __do_catch(const type_info* __thr_type, void** __thr_obj,
+ unsigned __outer) const;
+
+ public:
+ // Helper for upcast. See if DST is us, or one of our bases.
+ // Return false if not found, true if found.
+ virtual bool
+ __do_upcast(const __class_type_info* __dst, const void* __obj,
+ __upcast_result& __restrict __result) const;
+
+ // Indicate whether SRC_PTR of type SRC_TYPE is contained publicly
+ // within OBJ_PTR. OBJ_PTR points to a base object of our type,
+ // which is the destination type. SRC2DST indicates how SRC
+ // objects might be contained within this type. If SRC_PTR is one
+ // of our SRC_TYPE bases, indicate the virtuality. Returns
+ // not_contained for non containment or private containment.
+ inline __sub_kind
+ __find_public_src(ptrdiff_t __src2dst, const void* __obj_ptr,
+ const __class_type_info* __src_type,
+ const void* __src_ptr) const;
+
+ // Helper for dynamic cast. ACCESS_PATH gives the access from the
+ // most derived object to this base. DST_TYPE indicates the
+ // desired type we want. OBJ_PTR points to a base of our type
+ // within the complete object. SRC_TYPE indicates the static type
+ // started from and SRC_PTR points to that base within the most
+ // derived object. Fill in RESULT with what we find. Return true
+ // if we have located an ambiguous match.
+ virtual bool
+ __do_dyncast(ptrdiff_t __src2dst, __sub_kind __access_path,
+ const __class_type_info* __dst_type, const void* __obj_ptr,
+ const __class_type_info* __src_type, const void* __src_ptr,
+ __dyncast_result& __result) const;
+
+ // Helper for find_public_subobj. SRC2DST indicates how SRC_TYPE
+ // bases are inherited by the type started from -- which is not
+ // necessarily the current type. The current type will be a base
+ // of the destination type. OBJ_PTR points to the current base.
+ virtual __sub_kind
+ __do_find_public_src(ptrdiff_t __src2dst, const void* __obj_ptr,
+ const __class_type_info* __src_type,
+ const void* __src_ptr) const;
+ };
+
+ // Type information for a class with a single non-virtual base.
+ class __si_class_type_info : public __class_type_info
+ {
+ public:
+ const __class_type_info* __base_type;
-extern "C" void
-__cxa_bad_typeid ();
+ explicit
+ __si_class_type_info(const char *__n, const __class_type_info *__base)
+ : __class_type_info(__n), __base_type(__base) { }
-/* DSO destruction */
+ virtual
+ ~__si_class_type_info();
-extern "C" int
-__cxa_atexit (void (*)(void *), void *, void *);
+ protected:
+ __si_class_type_info(const __si_class_type_info&);
-extern "C" int
-__cxa_finalize (void *);
+ __si_class_type_info&
+ operator=(const __si_class_type_info&);
-/* demangling routines */
+ // Implementation defined member functions.
+ virtual bool
+ __do_dyncast(ptrdiff_t __src2dst, __sub_kind __access_path,
+ const __class_type_info* __dst_type, const void* __obj_ptr,
+ const __class_type_info* __src_type, const void* __src_ptr,
+ __dyncast_result& __result) const;
-extern "C"
-char *__cxa_demangle (const char *__mangled_name,
- char *__output_buffer,
- __SIZE_TYPE__ *__length,
- int *__status);
+ virtual __sub_kind
+ __do_find_public_src(ptrdiff_t __src2dst, const void* __obj_ptr,
+ const __class_type_info* __src_type,
+ const void* __sub_ptr) const;
-// Returns the type_info for the currently handled exception [15.3/8], or
-// null if there is none.
-extern "C"
-std::type_info *__cxa_current_exception_type ();
+ virtual bool
+ __do_upcast(const __class_type_info*__dst, const void*__obj,
+ __upcast_result& __restrict __result) const;
+ };
-} /* namespace __cxxabiv1 */
+ // Type information for a class with multiple and/or virtual bases.
+ class __vmi_class_type_info : public __class_type_info
+ {
+ public:
+ unsigned int __flags; // Details about the class hierarchy.
+ unsigned int __base_count; // Dumber of direct bases.
+
+ // The array of bases uses the trailing array struct hack so this
+ // class is not constructable with a normal constructor. It is
+ // internally generated by the compiler.
+ __base_class_type_info __base_info[1]; // Array of bases.
+
+ explicit
+ __vmi_class_type_info(const char* __n, int ___flags)
+ : __class_type_info(__n), __flags(___flags), __base_count(0) { }
+
+ virtual
+ ~__vmi_class_type_info();
+
+ // Implementation defined types.
+ enum __flags_masks
+ {
+ __non_diamond_repeat_mask = 0x1, // Distinct instance of repeated base.
+ __diamond_shaped_mask = 0x2, // Diamond shaped multiple inheritance.
+ __flags_unknown_mask = 0x10
+ };
+
+ protected:
+ // Implementation defined member functions.
+ virtual bool
+ __do_dyncast(ptrdiff_t __src2dst, __sub_kind __access_path,
+ const __class_type_info* __dst_type, const void* __obj_ptr,
+ const __class_type_info* __src_type, const void* __src_ptr,
+ __dyncast_result& __result) const;
+
+ virtual __sub_kind
+ __do_find_public_src(ptrdiff_t __src2dst, const void* __obj_ptr,
+ const __class_type_info* __src_type,
+ const void* __src_ptr) const;
+
+ virtual bool
+ __do_upcast(const __class_type_info* __dst, const void* __obj,
+ __upcast_result& __restrict __result) const;
+ };
-/* User programs should use the alias `abi'. */
+ // Dynamic cast runtime.
+ // src2dst has the following possible values
+ // >-1: src_type is a unique public non-virtual base of dst_type
+ // dst_ptr + src2dst == src_ptr
+ // -1: unspecified relationship
+ // -2: src_type is not a public base of dst_type
+ // -3: src_type is a multiple public non-virtual base of dst_type
+ extern "C" void*
+ __dynamic_cast(const void* __src_ptr, // Starting object.
+ const __class_type_info* __src_type, // Static type of object.
+ const __class_type_info* __dst_type, // Desired target type.
+ ptrdiff_t __src2dst); // How src and dst are related.
+
+
+ // Returns the type_info for the currently handled exception [15.3/8], or
+ // null if there is none.
+ extern "C" std::type_info*
+ __cxa_current_exception_type();
+} // namespace __cxxabiv1
+
+// User programs should use the alias `abi'.
namespace abi = __cxxabiv1;
-#else
-#endif /* __cplusplus */
-
+#endif // __cplusplus
-#endif /* __CXXABI_H */
+#endif // __CXXABI_H
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