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1 // Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // ssmcustomuidswitch.cpp |
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15 // |
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16 // |
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17 |
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18 /** |
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19 @file |
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20 @internalComponent |
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21 @released |
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22 */ |
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23 #include <emulator.h> |
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24 |
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25 extern "C" { |
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26 |
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27 #include "ssmuiproviderdllswitch_stubs.h" |
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28 |
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29 FARPROC vector[MAX_ORDINAL + 1]; |
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30 |
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31 void fill_vector(HINSTANCE aDll) |
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32 { |
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33 int i; |
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34 for (i=1; i <= MAX_ORDINAL; i++) |
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35 { |
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36 vector[i] = GetProcAddress(aDll, (LPCSTR)i); |
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37 } |
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38 vector[0] = (FARPROC)1; // initialised |
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39 } |
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40 |
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41 void init_vector() |
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42 { |
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43 // prevent deadlock with EKA2 scheduler |
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44 __LOCK_HOST; |
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45 |
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46 HINSTANCE instance; |
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47 |
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48 // Try loading dll with customised uid data first |
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49 // |
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50 instance = LoadLibraryA("ssmuiproviderdllcustomised.dll"); |
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51 if (instance != NULL) |
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52 { |
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53 fill_vector(instance); |
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54 return; |
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55 } |
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56 |
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57 // Try loading dll with default uid data |
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58 // |
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59 instance = LoadLibraryA("ssmuiproviderdlldefault.dll"); |
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60 if (instance != NULL) |
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61 { |
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62 fill_vector(instance); |
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63 return; |
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64 } |
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65 |
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66 // die |
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67 // |
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68 OutputDebugStringA("Unable to load ssm custom command uid implementation"); |
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69 _asm int 3; |
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70 } |
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71 |
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72 __declspec(naked) void common_dispatch() |
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73 { |
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74 _asm cmp dword ptr vector,0 // initialised? |
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75 _asm jne call_though_vector |
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76 _asm push eax |
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77 _asm push ecx |
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78 _asm push edx |
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79 _asm call init_vector |
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80 _asm pop edx |
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81 _asm pop ecx |
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82 _asm pop eax |
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83 call_though_vector: |
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84 _asm jmp [vector+eax*4] |
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85 } //lint !e1065 Suppress Symbol 'common_dispatch(void)' not declared as "C" conflicts |
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86 } |