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UserspaceEmulator: Inline some very hot functions

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This improves the browser's load time on welcome.html by ~2%.
This commit is contained in:
Andreas Kling 2020-11-19 21:45:10 +01:00
parent 1b9a85e4f1
commit da413a464a
6 changed files with 33 additions and 34 deletions
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17
DevTools/UserspaceEmulator/MallocTracer.h
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@ -26,6 +26,7 @@
#pragma once
#include "MmapRegion.h"
#include "SoftMMU.h"
#include <AK/Badge.h>
#include <AK/HashMap.h>
@ -92,4 +93,20 @@ private:
bool m_auditing_enabled { true };
};
ALWAYS_INLINE Mallocation* MallocTracer::find_mallocation(const Region& region, FlatPtr address)
{
if (!region.is_mmap())
return nullptr;
if (!static_cast<const MmapRegion&>(region).is_malloc_block())
return nullptr;
auto* malloc_data = static_cast<MmapRegion&>(const_cast<Region&>(region)).malloc_metadata();
if (!malloc_data)
return nullptr;
auto& mallocation = malloc_data->mallocation_for_address(address);
if (!mallocation.used)
return nullptr;
ASSERT(mallocation.contains(address));
return &mallocation;
}
}