2007-12-06 Robert Dewar <dewar@adacore.com>

	* s-osinte-lynxos-3.ads, s-osinte-hpux.ads, s-osinte-solaris-posix.ads, 
	s-osinte-freebsd.ads, s-osinte-lynxos.ads, s-osinte-tru64.ads, 
	s-osinte-mingw.ads, s-osinte-aix.ads, s-osinte-hpux-dce.ads, 
	s-osinte-irix.ads, s-osinte-solaris.ads, s-intman-vms.adb,
	s-osinte-vms.ads, s-osinte-vxworks6.ads, s-osinte-vxworks.ads,
	s-auxdec.ads, s-auxdec-vms_64.ads, s-osinte-darwin.ads, 
	s-taprop-vms.adb, s-interr-sigaction.adb, s-osinte-linux-hppa.ads, 
	i-vxwork-x86.ads, s-tpopde-vms.ads: Add missing pragma Convention C
	for subprogram pointers.

	* g-ctrl_c.adb: New file.

	* g-ctrl_c.ads (Install_Handler): New body.

	* freeze.adb (Freeze_Subprogram): Use new flag Has_Pragma_Inline_Always
	instead of obsolete function Is_Always_Inlined.
	(Freeze_Entity): check for tagged type in imported C subprogram
	(Freeze_Entity): check for 8-bit boolean in imported C subprogram
	(Freeze_Entity): check for convention Ada subprogram pointer in
	imported C subprogram.
	(Freeze_Fixed_Point_Type): In the case of a base type where the low
	bound would be chopped off and go from negative to zero, force
	Loval_Excl_EP to be the same as Loval_Incl_EP (the included lower
	bound) so that the size computation for the base type will take
	negative values into account.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@130813 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 57 insertions, 0 deletions

diff --git a/gcc/ada/g-ctrl_c.adb b/gcc/ada/g-ctrl_c.adb
new file mode 100644
index 00000000000..17b1a9fda85
--- /dev/null
+++ b/gcc/ada/g-ctrl_c.adb
@@ -0,0 +1,57 @@
+------------------------------------------------------------------------------
+--                                                                          --
+--                         GNAT RUN-TIME COMPONENTS                         --
+--                                                                          --
+--                          G N A T . C T R L _ C                           --
+--                                                                          --
+--                                 B o d y                                  --
+--                                                                          --
+--                      Copyright (C) 2002-2007, AdaCore                    --
+--                                                                          --
+-- GNAT is free software;  you can  redistribute it  and/or modify it under --
+-- terms of the  GNU General Public License as published  by the Free Soft- --
+-- ware  Foundation;  either version 2,  or (at your option) any later ver- --
+-- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
+-- OUT 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  distributed with GNAT;  see file COPYING.  If not, write --
+-- to  the  Free Software Foundation,  51  Franklin  Street,  Fifth  Floor, --
+-- Boston, MA 02110-1301, USA.                                              --
+--                                                                          --
+-- As a special exception,  if other files  instantiate  generics from this --
+-- unit, or you link  this unit with other files  to produce an executable, --
+-- this  unit  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 Public License.                                      --
+--                                                                          --
+-- GNAT was originally developed  by the GNAT team at  New York University. --
+-- Extensive contributions were provided by Ada Core Technologies Inc.      --
+--                                                                          --
+------------------------------------------------------------------------------
+
+package body GNAT.Ctrl_C is
+
+   type C_Handler_Type is access procedure;
+   pragma Convention (C, C_Handler_Type);
+
+   Ada_Handler : Handler_Type;
+
+   procedure C_Handler;
+   pragma Convention (C, C_Handler);
+
+   procedure C_Handler is
+   begin
+      Ada_Handler.all;
+   end C_Handler;
+
+   procedure Install_Handler (Handler : Handler_Type) is
+      procedure Internal (Handler : C_Handler_Type);
+      pragma Import (C, Internal, "__gnat_install_int_handler");
+   begin
+      Ada_Handler := Handler;
+      Internal (C_Handler'Access);
+   end Install_Handler;
+
+end GNAT.Ctrl_C;