kernel/eka/include/win32atx.h
changeset 0 a41df078684a
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-1:000000000000 0:a41df078684a
       
     1 // Copyright (c) 1995-2009 Nokia Corporation and/or its subsidiary(-ies).
       
     2 // All rights reserved.
       
     3 // This component and the accompanying materials are made available
       
     4 // under the terms of the License "Eclipse Public License v1.0"
       
     5 // which accompanies this distribution, and is available
       
     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     7 //
       
     8 // Initial Contributors:
       
     9 // Nokia Corporation - initial contribution.
       
    10 //
       
    11 // Contributors:
       
    12 //
       
    13 // Description:
       
    14 // e32\include\win32atx.h
       
    15 // 
       
    16 //
       
    17 
       
    18 /**
       
    19  @file
       
    20  @internalComponent
       
    21 */
       
    22 
       
    23 #ifndef __WIN32ATX_H__
       
    24 #define __WIN32ATX_H__
       
    25 
       
    26 #if defined(__VC32__)
       
    27 
       
    28 #define	MAX_ATEXIT_HANDLERS	255
       
    29 
       
    30 #ifdef __KERNEL_MODE__
       
    31 #define PANIC()	Kern::Fault("ATEXIT", __LINE__)
       
    32 #else
       
    33 _LIT(KLitAtExitPanic,"ATEXIT");
       
    34 #define PANIC()	User::Panic(KLitAtExitPanic, __LINE__)
       
    35 #endif
       
    36 
       
    37 extern "C" {
       
    38 typedef void (__cdecl* TAtExit)(void);
       
    39 static TUint sp=0;
       
    40 static TAtExit handlers[MAX_ATEXIT_HANDLERS];
       
    41 
       
    42 int atexit(TAtExit aFunc)
       
    43 	{
       
    44 	if (sp>=MAX_ATEXIT_HANDLERS)
       
    45 		PANIC();
       
    46 	handlers[sp++]=aFunc;
       
    47 	return 0;
       
    48 	}
       
    49 
       
    50 void __call_atexit_handlers()
       
    51 	{
       
    52 	while(sp)
       
    53 		(*handlers[--sp])();
       
    54 	}
       
    55 
       
    56 #pragma data_seg(".CRT$XPU")
       
    57 TAtExit __xp_a[] = { __call_atexit_handlers };
       
    58 
       
    59 }
       
    60 
       
    61 #elif defined(__CW32__)
       
    62 
       
    63 struct SDestructorEntry
       
    64 	{
       
    65 	SDestructorEntry* iNext;
       
    66 	TAny* iDstrFn;
       
    67 	TAny* iObj;
       
    68 	};
       
    69 
       
    70 SDestructorEntry* DEListHead;
       
    71 
       
    72 extern "C" {
       
    73 
       
    74 void* __register_global_object(void* obj, void* dfn, void* entry)
       
    75 	{
       
    76 	SDestructorEntry* e = (SDestructorEntry*)entry;
       
    77 	e->iNext = DEListHead;
       
    78 	e->iDstrFn = dfn;
       
    79 	e->iObj = obj;
       
    80 	DEListHead = e;
       
    81 	return obj;
       
    82 	}
       
    83 
       
    84 __declspec(naked) void __destroy_global_chain(void)
       
    85 	{
       
    86 	_asm push ebp
       
    87 	_asm mov ebp, esp
       
    88 	_asm push ebx
       
    89 	_asm lea ebx, DEListHead
       
    90 	dgc1:
       
    91 	_asm mov ebx, [ebx]
       
    92 	_asm test ebx, ebx
       
    93 	_asm jz dgc0
       
    94 	_asm mov ecx, [ebx+8]
       
    95 	_asm call dword ptr [ebx+4]
       
    96 	_asm jmp dgc1
       
    97 	dgc0:
       
    98 	_asm lea ebx, DEListHead
       
    99 	_asm mov [ebx], 0
       
   100 	_asm pop ebx
       
   101 	_asm mov esp, ebp
       
   102 	_asm pop ebp
       
   103 	_asm ret
       
   104 	}
       
   105 
       
   106 #pragma data_seg(".CRT$XPU")
       
   107 void (*__xp_a[])(void) = { &__destroy_global_chain };
       
   108 }
       
   109 
       
   110 #elif defined(__GCC32__)
       
   111 // todo: figure out what to do here
       
   112 #else
       
   113 #error Unknown X86 compiler
       
   114 #endif
       
   115 
       
   116 #endif