diff --git a/src/core/tls.h b/src/core/tls.h index 6edd6a297..46ca8153b 100644 --- a/src/core/tls.h +++ b/src/core/tls.h @@ -5,6 +5,8 @@ #include "common/types.h" +void* memset(void* ptr, int value, size_t num); + namespace Xbyak { class CodeGenerator; } @@ -41,9 +43,18 @@ Tcb* GetTcbBase(); /// Makes sure TLS is initialized for the thread before entering guest. void EnsureThreadInitialized(); +template +__attribute__((optnone)) void ClearStack() { + volatile void* buf = alloca(size); + memset(const_cast(buf), 0, size); + buf = nullptr; +} + template ReturnType ExecuteGuest(PS4_SYSV_ABI ReturnType (*func)(FuncArgs...), CallArgs&&... args) { EnsureThreadInitialized(); + // clear stack to avoid trash from EnsureThreadInitialized + ClearStack<13_KB>(); return func(std::forward(args)...); }