--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/genericopenlibs/cstdlib/LSIGNAL/JMP_WINS.CPP Tue Feb 02 02:01:42 2010 +0200
@@ -0,0 +1,65 @@
+// Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+//
+
+#include <setjmp.h>
+
+#ifdef __CW32__
+#define _asm asm
+#endif
+
+extern "C" {
+
+EXPORT_C int setjmp(jmp_buf __jmpb)
+ {
+ // preamble does "push ebp; mov ebp,esp;"
+ _asm mov eax, __jmpb
+ _asm mov [eax], ebx
+ _asm mov [eax+4], esi
+ _asm mov [eax+8], edi
+ _asm mov [eax+12], ebp // caller's ESP
+ _asm mov [eax+16], ds
+ _asm mov [eax+20], es
+ _asm mov [eax+24], fs
+ _asm mov [eax+28], gs
+ _asm mov edx, [ebp]
+ _asm mov [eax+32], edx // caller's EBP
+ _asm mov edx, [ebp+4]
+ _asm mov [eax+36], edx // return address EIP
+ return(0);
+ }
+
+EXPORT_C void longjmp(jmp_buf __jmpb, int __retval)
+ {
+ __jmpb[10]= (__retval == 0) ? 1 : __retval; // so we can return it after changing ESP/EBP
+ _asm mov eax, __jmpb
+ _asm mov ebp, [eax+12]
+ _asm mov esp, ebp // restore setjmp ESP (and leave EBP==ESP)
+ _asm mov ebx, [eax]
+ _asm mov esi, [eax+4]
+ _asm mov edi, [eax+8]
+ _asm mov ds, [eax+16]
+ _asm mov es, [eax+20]
+ _asm mov fs, [eax+24]
+ _asm mov gs, [eax+28]
+ _asm mov edx, [eax+32]
+ _asm mov [ebp], edx // put setjmp caller's EBP back into stack
+ _asm mov edx, [eax+36]
+ _asm mov [ebp+4], edx // put setjmp caller's EIP back into stack
+ _asm mov eax, [eax+40]
+ _asm pop ebp
+ _asm ret
+ }
+
+} // extern "C"
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