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x64Emitter: Check end of allocated space when emitting code.

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This commit is contained in:
Admiral H. Curtiss
2020-05-02 00:42:29 +02:00
parent c36ae84b96
commit 5b52b3e9cb
10 changed files with 125 additions and 17 deletions
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4
Source/Core/Common/CodeBlock.h
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@ -55,7 +55,7 @@ public:
region_size = size;
total_region_size = size;
region = static_cast<u8*>(Common::AllocateExecutableMemory(total_region_size));
T::SetCodePtr(region);
T::SetCodePtr(region, region + size);
}
// Always clear code space with breakpoints, so that if someone accidentally executes
@ -86,7 +86,7 @@ public:
// Cannot currently be undone. Will write protect the entire code region.
// Start over if you need to change the code (call FreeCodeSpace(), AllocCodeSpace()).
void WriteProtect() { Common::WriteProtectMemory(region, region_size, true); }
void ResetCodePtr() { T::SetCodePtr(region); }
void ResetCodePtr() { T::SetCodePtr(region, region + region_size); }
size_t GetSpaceLeft() const
{
ASSERT(static_cast<size_t>(T::GetCodePtr() - region) < region_size);