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Merge pull request #4103 from Sonicadvance1/shared_vdso_mmap
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VDSOEmulation: Support loading VDSO thunk as shared
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LC 2024-10-10 01:25:12 -04:00 committed by GitHub
commit 389ad737e6
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2 changed files with 5 additions and 1 deletions
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4
FEXCore/Source/Interface/Core/Core.cpp
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@ -950,6 +950,10 @@ void ContextImpl::InvalidateGuestCodeRange(FEXCore::Core::InternalThreadState* T
}
void ContextImpl::MarkMemoryShared(FEXCore::Core::InternalThreadState* Thread) {
if (!Thread) {
return;
}
if (!IsMemoryShared) {
IsMemoryShared = true;
UpdateAtomicTSOEmulationConfig();

2
Source/Tools/LinuxEmulation/VDSO_Emulation.cpp
View File

@ -746,7 +746,7 @@ VDSOMapping LoadVDSOThunks(bool Is64Bit, FEX::HLE::SyscallHandler* const Handler
Mapping.VDSOSize = FEXCore::AlignUp(Mapping.VDSOSize, 4096);
// Map the VDSO file to memory
Mapping.VDSOBase = Handler->GuestMmap(nullptr, nullptr, Mapping.VDSOSize, PROT_READ, MAP_PRIVATE, VDSOFD, 0);
Mapping.VDSOBase = Handler->GuestMmap(nullptr, nullptr, Mapping.VDSOSize, PROT_READ, MAP_SHARED, VDSOFD, 0);
// Since we found our VDSO thunk library, find our host VDSO function implementations.
LoadHostVDSO();