kernel/eka/compsupp/rvct3_1/ucppinit.cpp
changeset 9 96e5fb8b040d
child 10 36bfc973b146
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/kernel/eka/compsupp/rvct3_1/ucppinit.cpp	Thu Dec 17 09:24:54 2009 +0200
@@ -0,0 +1,77 @@
+/*
+* Copyright (c) 2008-2009 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: 
+* This file is part of usrt.lib and ksrt.lib.
+*
+*/
+
+
+
+extern "C" {
+
+// This calls each of the compiler constructed functions referenced from pi_ctorvec.
+// These functions arrange to 'call' the appropriate constructor for the 'static' instance
+// (in fact the call may be inlined). If the class of the instance has a destructor then 
+// compiler records that this object needs 'destructing' at 'exit' time. It does this by 
+// calling the function __cxa_atexit. We provide our own definition of this.
+// 
+
+
+__asm void __cpp_initialize__aeabi_()
+    {
+    CODE32
+
+    IMPORT |SHT$$INIT_ARRAY$$Base|  [WEAK]
+    IMPORT |SHT$$INIT_ARRAY$$Limit| [WEAK]
+
+    // Export std::nothrow from here.
+    EXPORT    _ZSt7nothrow
+
+    STMFD    r13!,{r3-r5,r14}
+
+    LDR      r4,base
+    LDR      r5,limit
+    CMP      r4,r5
+    
+    // Exit if the array is empty.
+    LDMEQFD  r13!,{r3-r5,pc}
+
+loop
+	LDR      r0,[r4,#0]
+    ADD      r0,r0,r4
+#ifdef __MARM_ARMV4__
+    ADR      r14,ret
+    MOV      pc,r0
+#else
+    BLX      r0
+#endif
+
+ret
+    ADD      r4,r4,#4
+    CMP      r4,r5
+    BNE      loop
+    LDMFD    r13!,{r3-r5,pc}
+
+base
+    DCD    |SHT$$INIT_ARRAY$$Base|
+limit
+    DCD    |SHT$$INIT_ARRAY$$Limit|
+
+// cheat - defining this here saves a whole 4 bytes!!! - value is never used
+_ZSt7nothrow
+    }
+
+
+} // extern "C"
+