Lightemerald/windows-user-space-emulator
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Add Support for KnownDLLs

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This commit is contained in:
ahm3dgg
2026-01-06 08:34:41 +02:00
parent e0c386abbb
commit b642486bc4
6 changed files with 125 additions and 21 deletions
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28
src/windows-emulator/syscalls/section.cpp
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@@ -225,8 +225,12 @@ namespace syscalls
return STATUS_NOT_SUPPORTED;
}
if (attributes.RootDirectory != KNOWN_DLLS_DIRECTORY && attributes.RootDirectory != KNOWN_DLLS32_DIRECTORY &&
attributes.RootDirectory != BASE_NAMED_OBJECTS_DIRECTORY && !filename.starts_with(u"\\KnownDlls"))
bool is_known_dll = (attributes.RootDirectory == KNOWN_DLLS_DIRECTORY
|| attributes.RootDirectory == KNOWN_DLLS32_DIRECTORY
|| filename.starts_with(u"\\KnownDlls")
|| filename.starts_with(u"\\KnownDlls32"));
if (!is_known_dll && attributes.RootDirectory != BASE_NAMED_OBJECTS_DIRECTORY)
{
c.win_emu.log.error("Unsupported section\n");
c.emu.stop();
@@ -235,6 +239,19 @@ namespace syscalls
utils::string::to_lower_inplace(filename);
if (is_known_dll)
{
auto& knowndlls_sections = c.win_emu.process.knowndlls_sections;
if (!knowndlls_sections.contains(filename))
{
return STATUS_OBJECT_NAME_NOT_FOUND;
}
auto knowndll_section = knowndlls_sections[filename];
section_handle.write(c.proc.sections.store(knowndll_section));
return STATUS_SUCCESS;
}
for (auto& section_entry : c.proc.sections)
{
if (section_entry.second.is_image() && section_entry.second.name == filename)
@@ -334,7 +351,7 @@ namespace syscalls
if (section_entry->is_image())
{
const auto* binary = c.win_emu.mod_manager.map_module(section_entry->file_name, c.win_emu.log);
const auto* binary = c.win_emu.mod_manager.map_module(section_entry->file_name, c.win_emu.log, false, true);
if (!binary)
{
return STATUS_FILE_INVALID;
@@ -350,6 +367,11 @@ namespace syscalls
base_address.write(binary->image_base);
if (c.win_emu.mod_manager.get_module_load_count_by_path(section_entry->file_name) > 1)
{
return STATUS_IMAGE_NOT_AT_BASE;
}
return STATUS_SUCCESS;
}