Lightemerald/windows-user-space-emulator
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Move get_apiset_namespace_table to apiset namespace

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ahm3dgg
2026-01-13 20:50:45 +02:00
parent 3db0eacc92
commit 9304d2ff57
4 changed files with 42 additions and 38 deletions
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46
src/windows-emulator/process_context.cpp
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@@ -205,34 +205,6 @@ namespace
return 0;
}
apiset_map get_apiset_namespace_table(const API_SET_NAMESPACE* api_set_map)
{
apiset_map apiset;
for (size_t i = 0; i < api_set_map->Count; i++)
{
const auto* entry = reinterpret_cast<const API_SET_NAMESPACE_ENTRY*>(
reinterpret_cast<uint64_t>(api_set_map) + api_set_map->EntryOffset + i * sizeof(API_SET_NAMESPACE_ENTRY));
std::u16string name(reinterpret_cast<const char16_t*>(reinterpret_cast<uint64_t>(api_set_map) + entry->NameOffset),
entry->NameLength / sizeof(char16_t));
if (!entry->ValueCount)
{
continue;
}
const auto* value = reinterpret_cast<const API_SET_VALUE_ENTRY*>(reinterpret_cast<uint64_t>(api_set_map) + entry->ValueOffset +
(entry->ValueCount - 1) * sizeof(API_SET_VALUE_ENTRY));
std::u16string base_name(reinterpret_cast<const char16_t*>(reinterpret_cast<uint64_t>(api_set_map) + value->ValueOffset),
value->ValueLength / sizeof(char16_t));
apiset[name + u".dll"] = base_name;
}
return apiset;
}
}
void process_context::setup(x86_64_emulator& emu, memory_manager& memory, registry_manager& registry, const file_system& file_system,
@@ -442,9 +414,9 @@ void process_context::setup(x86_64_emulator& emu, memory_manager& memory, regist
}
}
this->apiset = get_apiset_namespace_table(reinterpret_cast<const API_SET_NAMESPACE*>(apiset_container.data.data()));
this->build_knowndlls_section_table<uint32_t>(registry, file_system, true);
this->build_knowndlls_section_table<uint64_t>(registry, file_system, false);
this->apiset = apiset::get_namespace_table(reinterpret_cast<const API_SET_NAMESPACE*>(apiset_container.data.data()));
this->build_knowndlls_section_table<uint32_t>(registry, file_system, apiset, true);
this->build_knowndlls_section_table<uint64_t>(registry, file_system, apiset, false);
this->ntdll_image_base = ntdll.image_base;
this->ldr_initialize_thunk = ntdll.find_export("LdrInitializeThunk");
@@ -796,7 +768,8 @@ const std::u16string* process_context::get_atom_name(const uint16_t atom_id) con
}
template <typename T>
void process_context::build_knowndlls_section_table(registry_manager& registry, const file_system& file_system, bool is_32bit)
void process_context::build_knowndlls_section_table(registry_manager& registry, const file_system& file_system, const apiset_map& apiset,
bool is_32bit)
{
windows_path system_root_path;
@@ -859,7 +832,7 @@ void process_context::build_knowndlls_section_table(registry_manager& registry,
knowndll_section.allocation_attributes = SEC_IMAGE;
knowndll_section.section_page_protection = PAGE_EXECUTE;
knowndll_section.cache_image_info_from_filedata(file);
this->add_knowndll_section(known_dll_name, knowndll_section, is_32bit);
add_knowndll_section(known_dll_name, knowndll_section, is_32bit);
utils::safe_buffer_accessor<const std::byte> buffer{file};
@@ -894,10 +867,11 @@ void process_context::build_knowndlls_section_table(registry_manager& registry,
if (known_dll_dep_name.starts_with(u"api-") || known_dll_dep_name.starts_with(u"ext-"))
{
if (this->apiset.contains(known_dll_dep_name))
if (auto apiset_entry = apiset.find(known_dll_dep_name); apiset_entry != apiset.end())
{
known_dll_dep_name = apiset[known_dll_dep_name];
known_dll_dep_name = apiset_entry->second;
}
else
{
continue;
@@ -925,7 +899,7 @@ void process_context::build_knowndlls_section_table(registry_manager& registry,
knowndll_dep_section.allocation_attributes = SEC_IMAGE;
knowndll_dep_section.section_page_protection = PAGE_EXECUTE;
knowndll_dep_section.cache_image_info_from_filedata(known_dll_dep_file);
this->add_knowndll_section(known_dll_dep_name, knowndll_dep_section, is_32bit);
add_knowndll_section(known_dll_dep_name, knowndll_dep_section, is_32bit);
}
}
}