author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Mon, 15 Mar 2010 12:45:50 +0200 | |
branch | RCL_3 |
changeset 81 | e7d2d738d3c2 |
permissions | -rw-r--r-- |
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// Copyright (c) 2006-2009 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\mmu\t_wsd_dl3.cpp |
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// |
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// MMH file will define T_WSD_DL3 |
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#include "t_wsd_tst.h" |
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#define C ((void*)DummyFn) |
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#define D ((void*)TestData) |
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#define A4W C, D, C, D // 4 words |
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#define A16W A4W, A4W, A4W, A4W // 16 words |
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#define A64W A16W, A16W, A16W, A16W // 64 words |
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#define A256W A64W, A64W, A64W, A64W // 256 words |
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#define A1KW A256W, A256W, A256W, A256W // 1Kwords |
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#define A4KW A1KW, A1KW, A1KW, A1KW // 4Kwords |
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// Non-exported dummy function whose address is put in the initialised |
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// data, to check that it gets relocated correctly |
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void DummyFn(void) |
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{ |
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} |
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// Non-exported const data, which should end up in the text segment |
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// but doesn't on some platforms :( |
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static const void* const TestData[] = { A4KW, A4KW }; // 8Kwords |
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const TInt KSizeOfTestData = sizeof(TestData); // 32Kbytes |
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// Exported Ordinals 2-5 |
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EXPORT_D TInt32 TestDataSize = KSizeOfTestData; |
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EXPORT_D void* WritableTestData[] = { A4KW, A4KW }; |
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EXPORT_D const void* const* PointerToStaticData = TestData; |
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EXPORT_D void** PointerToWritableData = WritableTestData; |
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// Dummy function, just so that this DLL contains more than one page of |
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// text even on platforms where the read-only data ends up in the data |
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// rather than the text segment ... |
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TUint AddEmUp() |
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{ |
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const void* const* p = TestData; |
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TUint sum = 0; |
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#define ADD1W { sum += (TUint)*p++; } // 1 word |
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#define ADD4W { ADD1W; ADD1W; ADD1W; ADD1W; } // 4 words |
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#define ADD16W { ADD4W; ADD4W; ADD4W; ADD4W; } // 16 words |
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#define ADD64W { ADD16W; ADD16W; ADD16W; ADD16W; } // 64 words |
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#define ADD256W { ADD64W; ADD64W; ADD64W; ADD64W; } // 256 words |
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#define ADD1KW { ADD256W; ADD256W; ADD256W; ADD256W; } // 1K words |
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// The macro ADD1KW should expand to ~2K instructions i.e. ~8Kb of inline code |
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for (TUint i = 0; i < sizeof(TestData)/(1024*sizeof(void*)); ++i) |
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ADD1KW; |
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// We've added up all 8Kwords (32kb) of the test data ... |
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return sum; |
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} |
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// Exported Ordinal 1 |
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EXPORT_C void** GetAddressOfData(TInt& aSize, void*& aCodeAddr, void*& aDataAddr) |
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{ |
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TAny* p = User::Alloc(KSizeOfTestData); |
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aSize = AddEmUp(); |
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aSize = KSizeOfTestData; |
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aCodeAddr = C; |
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aDataAddr = D; |
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User::Free(p); |
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return (void**)&PointerToStaticData; |
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} |
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