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diff --git a/src/libs/xpcom18a4/xpcom/reflect/xptcall/src/md/unix/xptcinvoke_linux_s390.cpp b/src/libs/xpcom18a4/xpcom/reflect/xptcall/src/md/unix/xptcinvoke_linux_s390.cpp
new file mode 100644
index 00000000..5da035ca
--- /dev/null
+++ b/src/libs/xpcom18a4/xpcom/reflect/xptcall/src/md/unix/xptcinvoke_linux_s390.cpp
@@ -0,0 +1,254 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ *
+ * ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is mozilla.org code.
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corporation.
+ * Portions created by the Initial Developer are Copyright (C) 1998
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either of the GNU General Public License Version 2 or later (the "GPL"),
+ * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+/* Platform specific code to invoke XPCOM methods on native objects */
+
+#include "xptcprivate.h"
+
+
+static PRUint32
+invoke_count_words(PRUint32 paramCount, nsXPTCVariant* s)
+{
+ PRUint32 overflow = 0, gpr = 1 /*this*/, fpr = 0;
+ for(PRUint32 i = 0; i < paramCount; i++, s++)
+ {
+ if(s->IsPtrData())
+ {
+ if (gpr < 5) gpr++; else overflow++;
+ continue;
+ }
+ switch(s->type)
+ {
+ case nsXPTType::T_I8 :
+ case nsXPTType::T_I16 :
+ case nsXPTType::T_I32 :
+ if (gpr < 5) gpr++; else overflow++;
+ break;
+ case nsXPTType::T_I64 :
+ if (gpr < 4) gpr+=2; else gpr=5, overflow+=2;
+ break;
+ case nsXPTType::T_U8 :
+ case nsXPTType::T_U16 :
+ case nsXPTType::T_U32 :
+ if (gpr < 5) gpr++; else overflow++;
+ break;
+ case nsXPTType::T_U64 :
+ if (gpr < 4) gpr+=2; else gpr=5, overflow+=2;
+ break;
+ case nsXPTType::T_FLOAT :
+ if (fpr < 2) fpr++; else overflow++;
+ break;
+ case nsXPTType::T_DOUBLE :
+ if (fpr < 2) fpr++; else overflow+=2;
+ break;
+ case nsXPTType::T_BOOL :
+ case nsXPTType::T_CHAR :
+ case nsXPTType::T_WCHAR :
+ if (gpr < 5) gpr++; else overflow++;
+ break;
+ default:
+ // all the others are plain pointer types
+ if (gpr < 5) gpr++; else overflow++;
+ break;
+ }
+ }
+ /* Round up number of overflow words to ensure stack
+ stays aligned to 8 bytes. */
+ return (overflow + 1) & ~1;
+}
+
+static void
+invoke_copy_to_stack(PRUint32 paramCount, nsXPTCVariant* s, PRUint32* d_ov, PRUint32 overflow)
+{
+ PRUint32 *d_gpr = d_ov + overflow;
+ PRUint64 *d_fpr = (PRUint64 *)(d_gpr + 4);
+ PRUint32 gpr = 1 /*this*/, fpr = 0;
+
+ for(PRUint32 i = 0; i < paramCount; i++, s++)
+ {
+ if(s->IsPtrData())
+ {
+ if (gpr < 5)
+ *((void**)d_gpr) = s->ptr, d_gpr++, gpr++;
+ else
+ *((void**)d_ov ) = s->ptr, d_ov++;
+ continue;
+ }
+ switch(s->type)
+ {
+ case nsXPTType::T_I8 :
+ if (gpr < 5)
+ *((PRInt32*) d_gpr) = s->val.i8, d_gpr++, gpr++;
+ else
+ *((PRInt32*) d_ov ) = s->val.i8, d_ov++;
+ break;
+ case nsXPTType::T_I16 :
+ if (gpr < 5)
+ *((PRInt32*) d_gpr) = s->val.i16, d_gpr++, gpr++;
+ else
+ *((PRInt32*) d_ov ) = s->val.i16, d_ov++;
+ break;
+ case nsXPTType::T_I32 :
+ if (gpr < 5)
+ *((PRInt32*) d_gpr) = s->val.i32, d_gpr++, gpr++;
+ else
+ *((PRInt32*) d_ov ) = s->val.i32, d_ov++;
+ break;
+ case nsXPTType::T_I64 :
+ if (gpr < 4)
+ *((PRInt64*) d_gpr) = s->val.i64, d_gpr+=2, gpr+=2;
+ else
+ *((PRInt64*) d_ov ) = s->val.i64, d_ov+=2, gpr=5;
+ break;
+ case nsXPTType::T_U8 :
+ if (gpr < 5)
+ *((PRUint32*) d_gpr) = s->val.u8, d_gpr++, gpr++;
+ else
+ *((PRUint32*) d_ov ) = s->val.u8, d_ov++;
+ break;
+ case nsXPTType::T_U16 :
+ if (gpr < 5)
+ *((PRUint32*)d_gpr) = s->val.u16, d_gpr++, gpr++;
+ else
+ *((PRUint32*)d_ov ) = s->val.u16, d_ov++;
+ break;
+ case nsXPTType::T_U32 :
+ if (gpr < 5)
+ *((PRUint32*)d_gpr) = s->val.u32, d_gpr++, gpr++;
+ else
+ *((PRUint32*)d_ov ) = s->val.u32, d_ov++;
+ break;
+ case nsXPTType::T_U64 :
+ if (gpr < 4)
+ *((PRUint64*)d_gpr) = s->val.u64, d_gpr+=2, gpr+=2;
+ else
+ *((PRUint64*)d_ov ) = s->val.u64, d_ov+=2, gpr=5;
+ break;
+ case nsXPTType::T_FLOAT :
+ if (fpr < 2)
+ *((float*) d_fpr) = s->val.f, d_fpr++, fpr++;
+ else
+ *((float*) d_ov ) = s->val.f, d_ov++;
+ break;
+ case nsXPTType::T_DOUBLE :
+ if (fpr < 2)
+ *((double*) d_fpr) = s->val.d, d_fpr++, fpr++;
+ else
+ *((double*) d_ov ) = s->val.d, d_ov+=2;
+ break;
+ case nsXPTType::T_BOOL :
+ if (gpr < 5)
+ *((PRUint32*)d_gpr) = s->val.b, d_gpr++, gpr++;
+ else
+ *((PRUint32*)d_ov ) = s->val.b, d_ov++;
+ break;
+ case nsXPTType::T_CHAR :
+ if (gpr < 5)
+ *((PRUint32*)d_gpr) = s->val.c, d_gpr++, gpr++;
+ else
+ *((PRUint32*)d_ov ) = s->val.c, d_ov++;
+ break;
+ case nsXPTType::T_WCHAR :
+ if (gpr < 5)
+ *((PRUint32*)d_gpr) = s->val.wc, d_gpr++, gpr++;
+ else
+ *((PRUint32*)d_ov ) = s->val.wc, d_ov++;
+ break;
+ default:
+ // all the others are plain pointer types
+ if (gpr < 5)
+ *((void**) d_gpr) = s->val.p, d_gpr++, gpr++;
+ else
+ *((void**) d_ov ) = s->val.p, d_ov++;
+ break;
+ }
+ }
+}
+
+XPTC_PUBLIC_API(nsresult)
+XPTC_InvokeByIndex(nsISupports* that, PRUint32 methodIndex,
+ PRUint32 paramCount, nsXPTCVariant* params)
+{
+ PRUint32 *vtable = *(PRUint32 **)that;
+#if defined(__GXX_ABI_VERSION) && __GXX_ABI_VERSION >= 100 /* G++ V3 ABI */
+ PRUint32 method = vtable[methodIndex];
+#else /* not G++ V3 ABI */
+ PRUint32 method = vtable[methodIndex + 2];
+#endif /* G++ V3 ABI */
+ PRUint32 overflow = invoke_count_words (paramCount, params);
+ PRUint32 result;
+
+ __asm__ __volatile__
+ (
+ "lr 7,15\n\t"
+ "ahi 7,-32\n\t"
+
+ "lr 3,%3\n\t"
+ "sll 3,2\n\t"
+ "lcr 3,3\n\t"
+ "l 2,0(15)\n\t"
+ "la 15,0(3,7)\n\t"
+ "st 2,0(15)\n\t"
+
+ "lr 2,%1\n\t"
+ "lr 3,%2\n\t"
+ "la 4,96(15)\n\t"
+ "lr 5,%3\n\t"
+ "basr 14,%4\n\t"
+
+ "lr 2,%5\n\t"
+ "ld 0,112(7)\n\t"
+ "ld 2,120(7)\n\t"
+ "lm 3,6,96(7)\n\t"
+ "basr 14,%6\n\t"
+
+ "la 15,32(7)\n\t"
+
+ "lr %0,2\n\t"
+ : "=r" (result)
+ : "r" (paramCount),
+ "r" (params),
+ "r" (overflow),
+ "a" (invoke_copy_to_stack),
+ "a" (that),
+ "a" (method)
+ : "2", "3", "4", "5", "6", "7", "memory"
+ );
+
+ return result;
+}
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