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Code Issues Projects Releases Packages Wiki Activity Actions 9

UE+LibX86: Support bigger reads and writes

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This commit is contained in:
Hendiadyoin1 2021-04-10 23:29:32 +02:00 • committed by Andreas Kling
commit f1957bb86b
Notes: sideshowbarker 2024-07-18 19:10:23 +09:00
11 changed files with 316 additions and 4 deletions
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24
Userland/DevTools/UserspaceEmulator/SimpleRegion.cpp
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@ -47,6 +47,18 @@ ValueWithShadow<u64> SimpleRegion::read64(u32 offset)
return { *reinterpret_cast<const u64*>(m_data + offset), *reinterpret_cast<const u64*>(m_shadow_data + offset) };
}
ValueWithShadow<u128> SimpleRegion::read128(u32 offset)
{
VERIFY(offset + 15 < size());
return { *reinterpret_cast<const u128*>(m_data + offset), *reinterpret_cast<const u128*>(m_shadow_data + offset) };
}
ValueWithShadow<u256> SimpleRegion::read256(u32 offset)
{
VERIFY(offset + 31 < size());
return { *reinterpret_cast<const u256*>(m_data + offset), *reinterpret_cast<const u256*>(m_shadow_data + offset) };
}
void SimpleRegion::write8(u32 offset, ValueWithShadow<u8> value)
{
VERIFY(offset < size());
@ -74,6 +86,18 @@ void SimpleRegion::write64(u32 offset, ValueWithShadow<u64> value)
*reinterpret_cast<u64*>(m_data + offset) = value.value();
*reinterpret_cast<u64*>(m_shadow_data + offset) = value.shadow();
}
void SimpleRegion::write128(u32 offset, ValueWithShadow<u128> value)
{
VERIFY(offset + 15 < size());
*reinterpret_cast<u128*>(m_data + offset) = value.value();
*reinterpret_cast<u128*>(m_shadow_data + offset) = value.shadow();
}
void SimpleRegion::write256(u32 offset, ValueWithShadow<u256> value)
{
VERIFY(offset + 31 < size());
*reinterpret_cast<u256*>(m_data + offset) = value.value();
*reinterpret_cast<u256*>(m_shadow_data + offset) = value.shadow();
}
u8* SimpleRegion::cacheable_ptr(u32 offset)
{