Be pedantic about stack overflow on Linux and OS X.

Add some magic to the fault handler to handle stack overflow due to BLR
optimization, and disable the optimization if fastmem is not enabled.
This commit is contained in:
comex
2014-09-15 23:03:07 -04:00
parent 755bd2c445
commit 7ad9027593
9 changed files with 174 additions and 23 deletions

View File

@ -158,6 +158,25 @@ void FreeAlignedMemory(void* ptr)
}
}
void ReadProtectMemory(void* ptr, size_t size)
{
bool error_occurred = false;
#ifdef _WIN32
DWORD oldValue;
if (!VirtualProtect(ptr, size, PAGE_NOACCESS, &oldValue))
error_occurred = true;
#else
int retval = mprotect(ptr, size, PROT_NONE);
if (retval != 0)
error_occurred = true;
#endif
if (error_occurred)
PanicAlert("ReadProtectMemory failed!\n%s", GetLastErrorMsg());
}
void WriteProtectMemory(void* ptr, size_t size, bool allowExecute)
{
bool error_occurred = false;