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Query memory info

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momo5502
2024-09-01 09:13:50 +02:00
parent 164e9b737d
commit 93f8f7b18e
5 changed files with 165 additions and 41 deletions
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92
src/windows_emulator/syscalls.cpp
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@@ -535,39 +535,76 @@ namespace
return STATUS_NOT_SUPPORTED;
}
if (info_class != MemoryImageInformation)
if (info_class == MemoryBasicInformation)
{
printf("Unsupported memory info class: %X\n", info_class);
c.emu.stop();
return STATUS_NOT_SUPPORTED;
if (return_length)
{
return_length.write(sizeof(MEMORY_BASIC_INFORMATION));
}
if (memory_information_length != sizeof(MEMORY_BASIC_INFORMATION))
{
return STATUS_BUFFER_OVERFLOW;
}
const emulator_object<MEMORY_BASIC_INFORMATION> info{c.emu, memory_information};
info.access([&](MEMORY_BASIC_INFORMATION& image_info)
{
const auto region_info = c.emu.get_region_info(base_address);
assert(!region_info.is_committed || region_info.is_reserved);
image_info.BaseAddress = reinterpret_cast<void*>(region_info.start);
image_info.AllocationBase = reinterpret_cast<void*>(region_info.allocation_base);
image_info.AllocationProtect = 0;
image_info.PartitionId = 0;
image_info.RegionSize = region_info.length;
image_info.State = region_info.is_committed
? MEM_COMMIT
: (region_info.is_reserved
? MEM_RESERVE
: MEM_FREE);
image_info.Protect = map_emulator_to_nt_protection(region_info.pemissions);
image_info.Type = MEM_PRIVATE;
});
return STATUS_SUCCESS;
}
if (return_length)
if (info_class == MemoryImageInformation)
{
return_length.write(sizeof(MEMORY_IMAGE_INFORMATION));
if (return_length)
{
return_length.write(sizeof(MEMORY_IMAGE_INFORMATION));
}
if (memory_information_length != sizeof(MEMORY_IMAGE_INFORMATION))
{
return STATUS_BUFFER_OVERFLOW;
}
if (!is_within_start_and_length(base_address, c.proc.ntdll.image_base, c.proc.ntdll.size_of_image))
{
puts("Bad image request");
c.emu.stop();
return STATUS_NOT_SUPPORTED;
}
const emulator_object<MEMORY_IMAGE_INFORMATION> info{c.emu, memory_information};
info.access([&](MEMORY_IMAGE_INFORMATION& image_info)
{
image_info.ImageBase = reinterpret_cast<void*>(c.proc.ntdll.image_base);
image_info.SizeOfImage = c.proc.ntdll.size_of_image;
});
return STATUS_SUCCESS;
}
if (memory_information_length != sizeof(MEMORY_IMAGE_INFORMATION))
{
return STATUS_BUFFER_OVERFLOW;
}
if (!is_within_start_and_length(base_address, c.proc.ntdll.image_base, c.proc.ntdll.size_of_image))
{
puts("Bad image request");
c.emu.stop();
return STATUS_NOT_SUPPORTED;
}
const emulator_object<MEMORY_IMAGE_INFORMATION> info{c.emu, memory_information};
info.access([&](MEMORY_IMAGE_INFORMATION& image_info)
{
image_info.ImageBase = reinterpret_cast<void*>(c.proc.ntdll.image_base);
image_info.SizeOfImage = c.proc.ntdll.size_of_image;
});
return STATUS_SUCCESS;
printf("Unsupported memory info class: %X\n", info_class);
c.emu.stop();
return STATUS_NOT_SUPPORTED;
}
NTSTATUS handle_NtQuerySystemInformation(const syscall_context& c, const uint32_t info_class,
@@ -1084,6 +1121,7 @@ namespace
const auto context = thread_context.read();
apply_context(c.emu, context);
// TODO
return STATUS_SUCCESS;
}