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UserspaceEmulator: Add TLS regions to reachability checking

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This commit is contained in:
Andreas Kling
2020-07-16 19:14:54 +02:00
parent 1dcc21d32e
commit c13da77e85
2 changed files with 22 additions and 8 deletions
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17
DevTools/UserspaceEmulator/MallocTracer.cpp
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@@ -156,14 +156,16 @@ bool MallocTracer::is_reachable(const Mallocation& mallocation) const
}
}
bool reachable = false;
// 2. Search in other memory regions for pointers to this mallocation
for (auto& region : Emulator::the().mmu().regions()) {
Emulator::the().mmu().for_each_region([&](auto& region) {
// Skip the stack
if (region.is_stack())
continue;
return IterationDecision::Continue;
// Skip malloc blocks
if (region.is_mmap() && static_cast<const MmapRegion&>(region).is_malloc_block())
continue;
return IterationDecision::Continue;
size_t pointers_in_region = region.size() / sizeof(u32);
for (size_t i = 0; i < pointers_in_region; ++i) {
@@ -172,12 +174,13 @@ bool MallocTracer::is_reachable(const Mallocation& mallocation) const
#ifdef REACHABLE_DEBUG
dbgprintf("mallocation %p is reachable from region %p-%p\n", mallocation.address, region.base(), region.end() - 1);
#endif
return true;
reachable = true;
return IterationDecision::Break;
}
}
}
return false;
return IterationDecision::Continue;
});
return reachable;
}
void MallocTracer::dump_leak_report()