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Remove the unused and ugly HackChkStk()

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This commit is contained in:
dhewg 2011-12-14 00:09:00 +01:00
parent 5052f42c9e
commit 36c5b05f1f
1 changed files with 0 additions and 64 deletions
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64
neo/sys/win32/win_main.cpp
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@ -1169,34 +1169,6 @@ void Win_Frame( void ) {
}
}
extern "C" { void _chkstk( int size ); };
void clrstk( void );
/*
====================
TestChkStk
====================
*/
void TestChkStk( void ) {
int buffer[0x1000];
buffer[0] = 1;
}
/*
====================
HackChkStk
====================
*/
void HackChkStk( void ) {
DWORD old;
VirtualProtect( _chkstk, 6, PAGE_EXECUTE_READWRITE, &old );
*(byte *)_chkstk = 0xe9;
*(int *)((int)_chkstk+1) = (int)clrstk - (int)_chkstk - 5;
TestChkStk();
}
/*
====================
GetExceptionCodeInfo
@ -1507,42 +1479,6 @@ int WINAPI WinMain( HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLin
return 0;
}
/*
====================
clrstk
I tried to get the run time to call this at every function entry, but
====================
*/
static int parmBytes;
__declspec( naked ) void clrstk( void ) {
// eax = bytes to add to stack
__asm {
mov [parmBytes],eax
neg eax ; compute new stack pointer in eax
add eax,esp
add eax,4
xchg eax,esp
mov eax,dword ptr [eax] ; copy the return address
push eax
; clear to zero
push edi
push ecx
mov edi,esp
add edi,12
mov ecx,[parmBytes]
shr ecx,2
xor eax,eax
cld
rep stosd
pop ecx
pop edi
ret
}
}
/*
==================
idSysLocal::OpenURL