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momo5502
2024-08-19 21:13:50 +02:00
parent 36dba82c45
commit c6c297cb97
3 changed files with 133 additions and 17 deletions
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51
src/emulator/memory_utils.hpp
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@@ -32,26 +32,51 @@ inline uint64_t page_align_up(const uint64_t value)
return align_up(value, 0x1000);
}
inline uint32_t get_memory_protection(const unicorn& uc, uint64_t address)
template <typename T = void, typename F>
T access_memory_regions(const unicorn& uc, const F& accessor)
{
uint32_t count{};
uc_mem_region* regions{};
e(uc_mem_regions(uc, &regions, &count));
const auto _ = utils::finally([&]
{
uc_free(regions);
});
for (const auto& region : std::span(regions, count))
{
if (is_within_start_and_end(address, region.begin, region.end))
{
return region.perms;
}
}
uc_free(regions);
});
return UC_PROT_NONE;
return accessor(std::span(regions, count));
}
inline uint32_t get_memory_protection(const unicorn& uc, const uint64_t address)
{
return access_memory_regions<uint32_t>(uc, [&](const std::span<uc_mem_region> regions) -> uint32_t
{
for (const auto& region : regions)
{
if (is_within_start_and_end(address, region.begin, region.end))
{
return region.perms;
}
}
return UC_PROT_NONE;
});
}
inline bool is_memory_allocated(const unicorn& uc, const uint64_t address)
{
return access_memory_regions<uint32_t>(uc, [&](const std::span<uc_mem_region> regions)
{
for (const auto& region : regions)
{
if (is_within_start_and_end(address, region.begin, region.end))
{
return true;
}
}
return false;
});
}
inline uint32_t map_nt_to_unicorn_protection(const uint32_t nt_protection)
@@ -102,4 +127,4 @@ inline uint32_t map_unicorn_to_nt_protection(const uint32_t unicorn_protection)
}
return PAGE_READONLY;
}
}