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1 // Copyright (c) 1995-2009 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 the License "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 // e32\include\win32atx.h |
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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 */ |
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22 |
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23 #ifndef __WIN32ATX_H__ |
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24 #define __WIN32ATX_H__ |
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25 |
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26 #if defined(__VC32__) |
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27 |
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28 #define MAX_ATEXIT_HANDLERS 255 |
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29 |
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30 #ifdef __KERNEL_MODE__ |
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31 #define PANIC() Kern::Fault("ATEXIT", __LINE__) |
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32 #else |
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33 _LIT(KLitAtExitPanic,"ATEXIT"); |
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34 #define PANIC() User::Panic(KLitAtExitPanic, __LINE__) |
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35 #endif |
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36 |
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37 extern "C" { |
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38 typedef void (__cdecl* TAtExit)(void); |
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39 static TUint sp=0; |
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40 static TAtExit handlers[MAX_ATEXIT_HANDLERS]; |
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41 |
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42 int atexit(TAtExit aFunc) |
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43 { |
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44 if (sp>=MAX_ATEXIT_HANDLERS) |
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45 PANIC(); |
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46 handlers[sp++]=aFunc; |
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47 return 0; |
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48 } |
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49 |
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50 void __call_atexit_handlers() |
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51 { |
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52 while(sp) |
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53 (*handlers[--sp])(); |
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54 } |
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55 |
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56 #pragma data_seg(".CRT$XPU") |
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57 TAtExit __xp_a[] = { __call_atexit_handlers }; |
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58 |
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59 } |
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60 |
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61 #elif defined(__CW32__) |
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62 |
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63 struct SDestructorEntry |
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64 { |
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65 SDestructorEntry* iNext; |
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66 TAny* iDstrFn; |
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67 TAny* iObj; |
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68 }; |
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69 |
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70 SDestructorEntry* DEListHead; |
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71 |
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72 extern "C" { |
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73 |
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74 void* __register_global_object(void* obj, void* dfn, void* entry) |
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75 { |
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76 SDestructorEntry* e = (SDestructorEntry*)entry; |
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77 e->iNext = DEListHead; |
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78 e->iDstrFn = dfn; |
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79 e->iObj = obj; |
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80 DEListHead = e; |
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81 return obj; |
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82 } |
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83 |
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84 __declspec(naked) void __destroy_global_chain(void) |
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85 { |
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86 _asm push ebp |
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87 _asm mov ebp, esp |
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88 _asm push ebx |
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89 _asm lea ebx, DEListHead |
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90 dgc1: |
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91 _asm mov ebx, [ebx] |
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92 _asm test ebx, ebx |
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93 _asm jz dgc0 |
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94 _asm mov ecx, [ebx+8] |
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95 _asm call dword ptr [ebx+4] |
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96 _asm jmp dgc1 |
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97 dgc0: |
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98 _asm lea ebx, DEListHead |
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99 _asm mov [ebx], 0 |
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100 _asm pop ebx |
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101 _asm mov esp, ebp |
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102 _asm pop ebp |
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103 _asm ret |
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104 } |
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105 |
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106 #pragma data_seg(".CRT$XPU") |
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107 void (*__xp_a[])(void) = { &__destroy_global_chain }; |
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108 } |
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109 |
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110 #elif defined(__GCC32__) |
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111 // todo: figure out what to do here |
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112 #else |
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113 #error Unknown X86 compiler |
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114 #endif |
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115 |
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116 #endif |