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kern: dump page table on user exception

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Michael Scire 2020-07-21 00:56:13 -07:00 • committed by SciresM
parent 266001ded4
commit dea1235e12
5 changed files with 145 additions and 1 deletions
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2
libraries/libmesosphere/include/mesosphere/arch/arm64/kern_k_page_table_impl.hpp
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@ -106,6 +106,8 @@ namespace ams::kern::arch::arm64 {
NOINLINE void InitializeForProcess(void *tb, KVirtualAddress start, KVirtualAddress end);
L1PageTableEntry *Finalize();
void Dump(uintptr_t start, size_t size) const;
bool BeginTraversal(TraversalEntry *out_entry, TraversalContext *out_context, KProcessAddress address) const;
bool ContinueTraversal(TraversalEntry *out_entry, TraversalContext *context) const;

4
libraries/libmesosphere/include/mesosphere/arch/arm64/kern_k_process_page_table.hpp
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@ -160,6 +160,10 @@ namespace ams::kern::arch::arm64 {
return this->page_table.CleanupForIpcClient(address, size, dst_state);
}
void DumpTable() const {
return this->page_table.DumpTable();
}
bool GetPhysicalAddress(KPhysicalAddress *out, KProcessAddress address) const {
return this->page_table.GetPhysicalAddress(out, address);
}

5
libraries/libmesosphere/include/mesosphere/kern_k_page_table_base.hpp
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@ -317,6 +317,11 @@ namespace ams::kern {
Result SetupForIpc(KProcessAddress *out_dst_addr, size_t size, KProcessAddress src_addr, KPageTableBase &src_page_table, KMemoryPermission test_perm, KMemoryState dst_state, bool send);
Result CleanupForIpcServer(KProcessAddress address, size_t size, KMemoryState dst_state, KProcess *server_process);
Result CleanupForIpcClient(KProcessAddress address, size_t size, KMemoryState dst_state);
void DumpTable() const {
KScopedLightLock lk(this->general_lock);
this->GetImpl().Dump(GetInteger(this->address_space_start), this->address_space_end - this->address_space_start);
}
public:
KProcessAddress GetAddressSpaceStart() const { return this->address_space_start; }
KProcessAddress GetHeapRegionStart() const { return this->heap_region_start; }