mirror of
https://github.com/reactos/reactos.git
synced 2024-11-19 05:22:59 +00:00
45 lines
1.2 KiB
C
45 lines
1.2 KiB
C
#include <precomp.h>
|
|
|
|
/*********************************************************************
|
|
* _chkesp (MSVCRT.@)
|
|
*
|
|
* Trap to a debugger if the value of the stack pointer has changed.
|
|
*
|
|
* PARAMS
|
|
* None.
|
|
*
|
|
* RETURNS
|
|
* Does not return.
|
|
*
|
|
* NOTES
|
|
* This function is available for iX86 only.
|
|
*
|
|
* When VC++ generates debug code, it stores the value of the stack pointer
|
|
* before calling any external function, and checks the value following
|
|
* the call. It then calls this function, which will trap if the values are
|
|
* not the same. Usually this means that the prototype used to call
|
|
* the function is incorrect. It can also mean that the .spec entry has
|
|
* the wrong calling convention or parameters.
|
|
*/
|
|
|
|
#ifdef __i386__
|
|
|
|
void _chkesp_failed(void)
|
|
{
|
|
ERR("stack got corrupted!\n");
|
|
__debugbreak();
|
|
}
|
|
|
|
#endif /* __i386__ */
|
|
|
|
/*********************************************************************
|
|
* _resetstkoflw (MSVCRT.@)
|
|
*/
|
|
int CDECL _resetstkoflw(void)
|
|
{
|
|
int stack_addr;
|
|
DWORD oldprot;
|
|
|
|
/* causes stack fault that updates NtCurrentTeb()->Tib.StackLimit */
|
|
return VirtualProtect(&stack_addr, 1, PAGE_GUARD|PAGE_READWRITE, &oldprot);
|
|
}
|