author | Mike Kinghan <mikek@symbian.org> |
Mon, 26 Jul 2010 11:06:22 +0100 | |
branch | GCC_SURGE |
changeset 228 | ca2d72b7d125 |
parent 0 | a41df078684a |
permissions | -rw-r--r-- |
0 | 1 |
// Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies). |
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// All rights reserved. |
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// This component and the accompanying materials are made available |
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// under the terms of the License "Eclipse Public License v1.0" |
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// which accompanies this distribution, and is available |
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// at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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// |
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// Initial Contributors: |
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// Nokia Corporation - initial contribution. |
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// |
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// Contributors: |
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// |
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// Description: |
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// e32test\defrag\t_pagemove.cia |
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// All rights reserved. |
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// This code is used to test code mofication while moving a page. |
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// |
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// |
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#include <u32std.h> |
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#ifdef __CPU_ARM |
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/* |
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* Assembly code to test pagemove while writing to code section. |
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* NOTE: Do not change instruction ordering without looking at t_pagemove.cpp |
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* Look at TestCodeModification and TestCodeAsync (TestCodeModificationAsync) |
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*/ |
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__NAKED__ TInt TestCodeModFunc(void) |
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{ |
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asm("mov r0, #5 "); |
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asm("b 1f"); |
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/* Need to put 3f here because this jump will move up by one instruction */ |
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asm("b 3f"); |
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asm("1: "); |
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asm("mov r0, #1 "); |
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asm("b 3f"); |
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asm("2: "); |
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asm("mov r0, #2 "); |
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asm("3: "); |
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__JUMP(,lr); |
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} |
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__NAKED__ TInt Increment(TInt) |
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{ |
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asm("add r0, r0, #1 "); |
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__JUMP(,lr); |
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228
ca2d72b7d125
Fix for bug3379 - [GCCE] Possibly the most obscure undefined symbols in existence.
Mike Kinghan <mikek@symbian.org>
parents:
0
diff
changeset
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asm("_Z9Incrementi_end: "); |
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} |
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__NAKED__ TUint Increment_Length() |
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{ |
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228
ca2d72b7d125
Fix for bug3379 - [GCCE] Possibly the most obscure undefined symbols in existence.
Mike Kinghan <mikek@symbian.org>
parents:
0
diff
changeset
|
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asm("adr r0, _Z9Incrementi_end "); |
ca2d72b7d125
Fix for bug3379 - [GCCE] Possibly the most obscure undefined symbols in existence.
Mike Kinghan <mikek@symbian.org>
parents:
0
diff
changeset
|
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asm("adr r1, _Z9Incrementi "); |
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asm("sub r0, r0, r1 "); |
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__JUMP(,lr); |
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} |
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__NAKED__ TInt Decrement(TInt) |
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{ |
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asm("sub r0, r0, #1 "); |
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__JUMP(,lr); |
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228
ca2d72b7d125
Fix for bug3379 - [GCCE] Possibly the most obscure undefined symbols in existence.
Mike Kinghan <mikek@symbian.org>
parents:
0
diff
changeset
|
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asm("_Z9Decrementi_end: "); |
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} |
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__NAKED__ TUint Decrement_Length() |
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{ |
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228
ca2d72b7d125
Fix for bug3379 - [GCCE] Possibly the most obscure undefined symbols in existence.
Mike Kinghan <mikek@symbian.org>
parents:
0
diff
changeset
|
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asm("adr r0, _Z9Decrementi_end "); |
ca2d72b7d125
Fix for bug3379 - [GCCE] Possibly the most obscure undefined symbols in existence.
Mike Kinghan <mikek@symbian.org>
parents:
0
diff
changeset
|
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asm("adr r1, _Z9Decrementi "); |
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asm("sub r0, r0, r1 "); |
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__JUMP(,lr); |
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} |
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#endif |