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Use containers for ept allocations

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This commit is contained in:
Maurice Heumann
2022-12-24 08:36:23 +01:00
parent 33b44f1dc1
commit 1d23c10734
5 changed files with 121 additions and 157 deletions
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27
src/driver/ept.hpp
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@ -20,20 +20,17 @@ namespace vmx
pml2 entry{};
pml2_ptr pointer;
};
ept_split* next_split{nullptr};
};
struct ept_code_watch_point
{
uint64_t physical_base_address{};
pml1* target_page{};
ept_code_watch_point* next_watch_point{nullptr};
};
struct ept_hook
{
ept_hook(const uint64_t physical_base);
ept_hook(uint64_t physical_base);
~ept_hook();
DECLSPEC_PAGE_ALIGN uint8_t fake_page[PAGE_SIZE]{};
@ -46,8 +43,6 @@ namespace vmx
pml1 original_entry{};
pml1 execute_entry{};
pml1 readwrite_entry{};
ept_hook* next_hook{nullptr};
};
struct ept_translation_hint
@ -76,7 +71,7 @@ namespace vmx
void install_code_watch_point(uint64_t physical_page);
void install_hook(const void* destination, const void* source, size_t length,
const utils::list<ept_translation_hint>& hints = {});
const utils::list<ept_translation_hint>& hints = {});
void disable_all_hooks() const;
void handle_violation(guest_context& guest_context);
@ -96,20 +91,20 @@ namespace vmx
uint64_t access_records[1024];
ept_split* ept_splits{nullptr};
ept_hook* ept_hooks{nullptr};
ept_code_watch_point* ept_code_watch_points{nullptr};
utils::list<ept_split, utils::AlignedAllocator> ept_splits{};
utils::list<ept_hook, utils::AlignedAllocator> ept_hooks{};
utils::list<ept_code_watch_point> ept_code_watch_points{};
pml2* get_pml2_entry(uint64_t physical_address);
pml1* get_pml1_entry(uint64_t physical_address);
pml1* find_pml1_table(uint64_t physical_address) const;
pml1* find_pml1_table(uint64_t physical_address);
ept_split* allocate_ept_split();
ept_hook* allocate_ept_hook(uint64_t physical_address);
ept_hook* find_ept_hook(uint64_t physical_address) const;
ept_split& allocate_ept_split();
ept_hook& allocate_ept_hook(uint64_t physical_address);
ept_hook* find_ept_hook(uint64_t physical_address);
ept_code_watch_point* allocate_ept_code_watch_point();
ept_code_watch_point* find_ept_code_watch_point(uint64_t physical_address) const;
ept_code_watch_point& allocate_ept_code_watch_point();
ept_code_watch_point* find_ept_code_watch_point(uint64_t physical_address);
ept_hook* get_or_create_ept_hook(void* destination, const ept_translation_hint* translation_hint = nullptr);