INTEGRATION: CWS sixtyfour03 (1.1.2); FILE ADDED

2006/03/06 11:27:36 kendy 1.1.2.2: #i62810#
x86-64 bridge improvements: more x86-64 ABI improvements
2006/03/06 11:25:23 kendy 1.1.2.1: #i62810#
x86-64 bridge improvements: conform to x86-64 ABI

1 files changed, 75 insertions, 0 deletions

diff --git a/bridges/source/cpp_uno/gcc3_linux_x86-64/abi.hxx b/bridges/source/cpp_uno/gcc3_linux_x86-64/abi.hxx
new file mode 100644
index 000000000000..a0d715b722d3
--- /dev/null
+++ b/bridges/source/cpp_uno/gcc3_linux_x86-64/abi.hxx
@@ -0,0 +1,75 @@
+/*************************************************************************
+ *
+ *  OpenOffice.org - a multi-platform office productivity suite
+ *
+ *  $RCSfile: abi.hxx,v $
+ *
+ *  $Revision: 1.2 $
+ *
+ *  last change: $Author: rt $ $Date: 2006-03-08 08:49:42 $
+ *
+ *  The Contents of this file are made available subject to
+ *  the terms of GNU Lesser General Public License Version 2.1.
+ *
+ *
+ *    GNU Lesser General Public License Version 2.1
+ *    =============================================
+ *    Copyright 2005 by Sun Microsystems, Inc.
+ *    901 San Antonio Road, Palo Alto, CA 94303, USA
+ *
+ *    This library is free software; you can redistribute it and/or
+ *    modify it under the terms of the GNU Lesser General Public
+ *    License version 2.1, as published by the Free Software Foundation.
+ *
+ *    This library 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
+ *    Lesser General Public License for more details.
+ *
+ *    You should have received a copy of the GNU Lesser General Public
+ *    License along with this library; if not, write to the Free Software
+ *    Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ *    MA  02111-1307  USA
+ *
+ ************************************************************************/
+
+#ifndef _BRIDGES_CPP_UNO_X86_64_ABI_HXX_
+#define _BRIDGES_CPP_UNO_X86_64_ABI_HXX_
+
+// This is an implementation of the x86-64 ABI as described in 'System V
+// Application Binary Interface, AMD64 Architecture Processor Supplement'
+// (http://www.x86-64.org/documentation/abi-0.95.pdf)
+
+#include <typelib/typedescription.hxx>
+
+namespace x86_64
+{
+
+/* 6 general purpose registers are used for parameter passing */
+const sal_uInt32 MAX_GPR_REGS = 6;
+
+/* 8 SSE registers are used for parameter passing */
+const sal_uInt32 MAX_SSE_REGS = 8;
+
+/* Count number of required registers.
+
+ Examine the argument and return set number of register required in each
+ class.
+
+ Return false iff parameter should be passed in memory.
+*/
+bool examine_argument( typelib_TypeDescriptionReference *pTypeRef, bool bInReturn, int &nUsedGPR, int &nUsedSSE );
+
+/** Does function that returns this type use a hidden parameter, or registers?
+
+ The value can be returned either in a hidden 1st parameter (which is a
+ pointer to a structure allocated by the caller), or in registers (rax, rdx
+ for the integers, xmm0, xmm1 for the floating point numbers).
+*/
+bool return_in_hidden_param( typelib_TypeDescriptionReference *pTypeRef );
+
+void fill_struct( typelib_TypeDescriptionReference *pTypeRef, void * const *pGPR, void * const *pSSE, void *pStruct );
+
+} // namespace x86_64
+
+#endif // _BRIDGES_CPP_UNO_X86_64_ABI_HXX_