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PatchEngine/GeckoCode: Heuristic stack checks

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Try to make sure the stack is sane before calling into the
codehandler. This is intended to reduce the possibility of random
memory corruption.
This commit is contained in:
EmptyChaos
2016-09-30 15:29:35 +00:00
parent 31cf8432bf
commit b3547870ee
5 changed files with 78 additions and 49 deletions
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7
Source/Core/Core/Boot/Boot.cpp
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@ -483,9 +483,8 @@ bool CBoot::BootUp()
// Not part of the binary itself, but either we or Gecko OS might insert
// this, and it doesn't clear the icache properly.
HLE::Patch(Gecko::ENTRY_POINT, "GeckoCodehandler");
if (SConfig::GetInstance().bEnableCheats)
{
HLE::Patch(Gecko::HLE_TRAMPOLINE_ADDRESS, "GeckoHandlerReturnTrampoline");
}
// This has to always be installed even if cheats are not enabled because of the possiblity of
// loading a savestate where PC is inside the code handler while cheats are disabled.
HLE::Patch(Gecko::HLE_TRAMPOLINE_ADDRESS, "GeckoHandlerReturnTrampoline");
return true;
}