1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/kernelhwsrv/kernel/eka/include/win32atx.h Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,116 @@
1.4 +// Copyright (c) 1995-2009 Nokia Corporation and/or its subsidiary(-ies).
1.5 +// All rights reserved.
1.6 +// This component and the accompanying materials are made available
1.7 +// under the terms of the License "Eclipse Public License v1.0"
1.8 +// which accompanies this distribution, and is available
1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
1.10 +//
1.11 +// Initial Contributors:
1.12 +// Nokia Corporation - initial contribution.
1.13 +//
1.14 +// Contributors:
1.15 +//
1.16 +// Description:
1.17 +// e32\include\win32atx.h
1.18 +//
1.19 +//
1.20 +
1.21 +/**
1.22 + @file
1.23 + @internalComponent
1.24 +*/
1.25 +
1.26 +#ifndef __WIN32ATX_H__
1.27 +#define __WIN32ATX_H__
1.28 +
1.29 +#if defined(__VC32__)
1.30 +
1.31 +#define MAX_ATEXIT_HANDLERS 255
1.32 +
1.33 +#ifdef __KERNEL_MODE__
1.34 +#define PANIC() Kern::Fault("ATEXIT", __LINE__)
1.35 +#else
1.36 +_LIT(KLitAtExitPanic,"ATEXIT");
1.37 +#define PANIC() User::Panic(KLitAtExitPanic, __LINE__)
1.38 +#endif
1.39 +
1.40 +extern "C" {
1.41 +typedef void (__cdecl* TAtExit)(void);
1.42 +static TUint sp=0;
1.43 +static TAtExit handlers[MAX_ATEXIT_HANDLERS];
1.44 +
1.45 +int atexit(TAtExit aFunc)
1.46 + {
1.47 + if (sp>=MAX_ATEXIT_HANDLERS)
1.48 + PANIC();
1.49 + handlers[sp++]=aFunc;
1.50 + return 0;
1.51 + }
1.52 +
1.53 +void __call_atexit_handlers()
1.54 + {
1.55 + while(sp)
1.56 + (*handlers[--sp])();
1.57 + }
1.58 +
1.59 +#pragma data_seg(".CRT$XPU")
1.60 +TAtExit __xp_a[] = { __call_atexit_handlers };
1.61 +
1.62 +}
1.63 +
1.64 +#elif defined(__CW32__)
1.65 +
1.66 +struct SDestructorEntry
1.67 + {
1.68 + SDestructorEntry* iNext;
1.69 + TAny* iDstrFn;
1.70 + TAny* iObj;
1.71 + };
1.72 +
1.73 +SDestructorEntry* DEListHead;
1.74 +
1.75 +extern "C" {
1.76 +
1.77 +void* __register_global_object(void* obj, void* dfn, void* entry)
1.78 + {
1.79 + SDestructorEntry* e = (SDestructorEntry*)entry;
1.80 + e->iNext = DEListHead;
1.81 + e->iDstrFn = dfn;
1.82 + e->iObj = obj;
1.83 + DEListHead = e;
1.84 + return obj;
1.85 + }
1.86 +
1.87 +__declspec(naked) void __destroy_global_chain(void)
1.88 + {
1.89 + _asm push ebp
1.90 + _asm mov ebp, esp
1.91 + _asm push ebx
1.92 + _asm lea ebx, DEListHead
1.93 + dgc1:
1.94 + _asm mov ebx, [ebx]
1.95 + _asm test ebx, ebx
1.96 + _asm jz dgc0
1.97 + _asm mov ecx, [ebx+8]
1.98 + _asm call dword ptr [ebx+4]
1.99 + _asm jmp dgc1
1.100 + dgc0:
1.101 + _asm lea ebx, DEListHead
1.102 + _asm mov [ebx], 0
1.103 + _asm pop ebx
1.104 + _asm mov esp, ebp
1.105 + _asm pop ebp
1.106 + _asm ret
1.107 + }
1.108 +
1.109 +#pragma data_seg(".CRT$XPU")
1.110 +void (*__xp_a[])(void) = { &__destroy_global_chain };
1.111 +}
1.112 +
1.113 +#elif defined(__GCC32__)
1.114 +// todo: figure out what to do here
1.115 +#else
1.116 +#error Unknown X86 compiler
1.117 +#endif
1.118 +
1.119 +#endif