81 lines
1.6 KiB
C++
81 lines
1.6 KiB
C++
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/***
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*stack.cpp - RTC support
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*
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* Copyright (c) 1998-2001, Microsoft Corporation. All rights reserved.
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*
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*
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*Revision History:
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* 07-28-98 JWM Module incorporated into CRTs (from KFrei)
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* 05-11-99 KBF Error if RTC support define not enabled
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*
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****/
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#ifndef _RTC
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#error RunTime Check support not enabled!
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#endif
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#include "rtcpriv.h"
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/* Stack Checking Calls */
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void
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#ifndef _M_ALPHA // AXPMOD - No declspec(naked) for us.
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__declspec(naked)
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#endif
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_RTC_CheckEsp()
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{
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#ifndef _M_ALPHA // AXPMOD - Disable this until we can get the
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// assembly written for it.
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__asm
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{
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jne esperror ;
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ret
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esperror:
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; function prolog
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push ebp
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mov ebp, esp
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sub esp, __LOCAL_SIZE
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push eax ; save the old return value
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push edx
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push ebx
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push esi
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push edi
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}
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_RTC_Failure(_ReturnAddress(), _RTC_CHKSTK);
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__asm
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{
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; function epilog
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pop edi
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pop esi
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pop ebx
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pop edx ; restore the old return value
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pop eax
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mov esp, ebp
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pop ebp
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ret
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}
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#endif
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}
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void __fastcall
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_RTC_CheckStackVars(void *frame, _RTC_framedesc *v)
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{
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int i;
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for (i = 0; i < v->varCount; i++)
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{
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int *head = (int *)(((char *)frame) + v->variables[i].addr + v->variables[i].size);
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int *tail = (int *)(((char *)frame) + v->variables[i].addr - sizeof(int));
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if (*tail != 0xcccccccc || *head != 0xcccccccc)
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_RTC_StackFailure(_ReturnAddress(), v->variables[i].name);
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}
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}
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