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Stack guard implementation

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This commit is contained in:
Alex
2022-11-21 03:20:13 +02:00
parent 1afe255fed
commit eaaf8427dc
7 changed files with 171 additions and 43 deletions
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18
Core/Crash/CrashHandler.cpp
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@ -299,6 +299,24 @@ namespace CrashHandler
if (Frame->cs != GDT_USER_CODE && Frame->cs != GDT_USER_DATA)
{
debug("Exception in kernel mode");
if (Frame->InterruptNumber == CPU::x64::PageFault)
{
CPUData *data = GetCurrentCPU();
if (data)
{
if (data->CurrentThread->Stack->Expand(CPU::x64::readcr2().raw))
{
debug("Stack expanded");
CPU::Interrupts(CPU::Enable);
return;
}
else
{
error("Stack expansion failed");
}
}
}
if (TaskManager)
TaskManager->Panic();
Display->CreateBuffer(0, 0, SBIdx);