* config/cpu/arm/cxxabi_tweaks.h (__cxa_cdtor_return_type):

	Define.
	* config/cpu/generic/cxxabi_tweaks.h (__cxa_cdtor_return_type):
	Define.
	* libsupc++/cxxabi.h (__cxa_cdtor_return_type): New type.
	(__cxa_vec_new): Use it.
	(__cxa_vec_new2): Likewise.
	(__cxa_vec_new3): Likewise.
	(__cxa_vec_cdtor): Likewise.
	(__cxa_vec_cctor): Likeiwse.
	(__cxa_vec_dtor): Likewise.
	(__cxa_vec_cleanup): Likewise.
	(__cxa_vec_delete2): Likewise.
	(__cxa_vec_delete3): Likewise.
	* libsupc++/vec.cc (__cxa_vec_new): Likewise.
	(__cxa_vec_new2): Likewise.
	(__cxa_vec_new3): Likewise.
	(__cxa_vec_cdtor): Likewise.
	(__cxa_vec_cctor): Likeiwse.
	(__cxa_vec_dtor): Likewise.
	(__cxa_vec_cleanup): Likewise.
	(__cxa_vec_delete2): Likewise.
	(__cxa_vec_delete3): Likewise.
	(__aeabi_vec_ctor_nocookie_nodtor): New function.
	(__aeabi_vec_ctor_cookie_nodtor): Likewise.
	(__aeabi_vec_cctor_nocookie_nodtor): Likewise.
	(__aeabi_vec_new_cookie_noctor): Likewise.
	(__aeabi_vec_new_nocookie): Likewise.
	(__aeabi_vec_new_cookie_nodtor): Likewise.
	(__aeabi_vec_new_cookie): Likewise.
	(__aeabi_vec_dtor): Likewise.
	(__aeabi_vec_dtor_cookie): Likewise.
	(__aeabi_vec_delete): Likewise.
	(__aeabi_vec_delete3): Likewise.
	(__aeabi_vec_delete3_nodtor): Likewise.
	(__aeabi_atexit): Likewise.

	* testsuite/g++.old-deja/g++.abi/cxa_vec.C: Adjust for ARM
	EABI.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@87585 138bc75d-0d04-0410-961f-82ee72b054a4

2 files changed, 185 insertions, 30 deletions

diff --git a/libstdc++-v3/libsupc++/cxxabi.h b/libstdc++-v3/libsupc++/cxxabi.h
index dfed54e69ee..39a41c61aee 100644
--- a/libstdc++-v3/libsupc++/cxxabi.h
+++ b/libstdc++-v3/libsupc++/cxxabi.h
@@ -50,6 +50,8 @@
 #ifdef __cplusplus
 namespace __cxxabiv1
 {  
+  typedef __cxa_cdtor_return_type (*__cxa_cdtor_type)(void *);
+
   extern "C" 
   {
 #endif
@@ -57,54 +59,55 @@ namespace __cxxabiv1
   // Allocate array.
   void* 
   __cxa_vec_new(size_t __element_count, size_t __element_size, 
-		size_t __padding_size, void (*__constructor) (void*),
-		void (*__destructor) (void*));
+		size_t __padding_size, __cxa_cdtor_type constructor,
+		__cxa_cdtor_type destructor);
 
   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), 
+		 size_t __padding_size, __cxa_cdtor_type constructor,
+		 __cxa_cdtor_type destructor, 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), 
+		 size_t __padding_size, __cxa_cdtor_type constructor,
+		 __cxa_cdtor_type destructor, void *(*__alloc) (size_t), 
 		 void (*__dealloc) (void*, size_t));
 
   // Construct array.
   __cxa_vec_ctor_return_type
   __cxa_vec_ctor(void* __array_address, size_t __element_count,
-		 size_t __element_size, void (*__constructor) (void*),
-		 void (*__destructor) (void*));
+		 size_t __element_size, __cxa_cdtor_type constructor,
+		 __cxa_cdtor_type destructor);
 
   __cxa_vec_ctor_return_type
   __cxa_vec_cctor(void* dest_array, void* src_array, size_t element_count, 
-		  size_t element_size, void (*constructor) (void*, void*), 
-		  void (*destructor) (void*));
+		  size_t element_size, 
+		  __cxa_cdtor_return_type (*constructor) (void*, void*), 
+		  __cxa_cdtor_type destructor);
  
   // Destruct array.
   void 
   __cxa_vec_dtor(void* __array_address, size_t __element_count,
-		 size_t __element_size, void (*__destructor) (void*));
+		 size_t __element_size, __cxa_cdtor_type destructor);
   
   void 
   __cxa_vec_cleanup(void* __array_address, size_t __element_count,
-		    size_t __element_size, void (*__destructor) (void*));
+		    size_t __element_size, __cxa_cdtor_type destructor);
   
   // Destruct and release array.
   void 
   __cxa_vec_delete(void* __array_address, size_t __element_size,
-		   size_t __padding_size, void (*__destructor) (void*));
+		   size_t __padding_size, __cxa_cdtor_type destructor);
 
   void 
   __cxa_vec_delete2(void* __array_address, size_t __element_size,
-		    size_t __padding_size, void (*__destructor) (void*),
+		    size_t __padding_size, __cxa_cdtor_type destructor,
 		    void (*__dealloc) (void*));
                   
   void 
   __cxa_vec_delete3(void* __array_address, size_t __element_size,
-		    size_t __padding_size, void (*__destructor) (void*),
+		    size_t __padding_size, __cxa_cdtor_type destructor,
 		    void (*__dealloc) (void*, size_t));
 
   int 
diff --git a/libstdc++-v3/libsupc++/vec.cc b/libstdc++-v3/libsupc++/vec.cc
index 2708c19aca9..7e93d1cfea0 100644
--- a/libstdc++-v3/libsupc++/vec.cc
+++ b/libstdc++-v3/libsupc++/vec.cc
@@ -70,8 +70,8 @@ namespace __cxxabiv1
   __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,
@@ -82,8 +82,8 @@ namespace __cxxabiv1
   __cxa_vec_new2(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 *))
   {
@@ -120,8 +120,8 @@ namespace __cxxabiv1
   __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))
   {
@@ -159,8 +159,8 @@ namespace __cxxabiv1
   __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);
@@ -188,8 +188,8 @@ namespace __cxxabiv1
 		  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);
@@ -218,7 +218,7 @@ namespace __cxxabiv1
   __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)
       {
@@ -253,7 +253,7 @@ namespace __cxxabiv1
   __cxa_vec_cleanup(void *array_address,
 		    std::size_t element_count,
 		    std::size_t element_size,
-		    void (*destructor) (void *))
+		    __cxa_cdtor_type destructor)
   {
     if (destructor)
       {
@@ -282,7 +282,7 @@ namespace __cxxabiv1
   __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,
@@ -293,7 +293,7 @@ namespace __cxxabiv1
   __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 *))
   {
     if (!array_address)
@@ -326,7 +326,7 @@ namespace __cxxabiv1
   __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))
   {
     if (!array_address)
@@ -358,3 +358,155 @@ namespace __cxxabiv1
   }
 } // 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)
+  {
+    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)
+  {
+    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))
+  {
+    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))
+  {
+    abi::__cxa_vec_delete3 (array_address,
+			    reinterpret_cast<std::size_t *>(array_address)[-2],
+			    2 * sizeof (std::size_t),
+			    /*destructor=*/NULL, dealloc);
+  }
+  
+  extern "C" int
+  __aeabi_atexit (void *object, 
+		  void (*destructor) (void *),
+		  void *dso_handle)
+  {
+    return abi::__cxa_atexit(destructor, object, dso_handle);
+  }
+} // namespace __aeabiv1
+
+#endif // defined(__arm__) && defined(__ARM_EABI__)