Don't call DllMain on non-DLLs
Gracefully handle the kernel dispatch thread already running
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8d4582a7a4
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fbfdfc8914
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@ -223,7 +223,7 @@ void KernelState::SetExecutableModule(object_ref<XUserModule> module) {
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// Spin up deferred dispatch worker.
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// TODO(benvanik): move someplace more appropriate (out of ctor, but around
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// here).
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assert_false(dispatch_thread_running_);
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if (!dispatch_thread_running_) {
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dispatch_thread_running_ = true;
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dispatch_thread_ =
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object_ref<XHostThread>(new XHostThread(this, 128 * 1024, 0, [this]() {
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@ -244,6 +244,7 @@ void KernelState::SetExecutableModule(object_ref<XUserModule> module) {
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dispatch_thread_->set_name("Kernel Dispatch Thread");
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dispatch_thread_->Create();
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}
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}
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void KernelState::LoadKernelModule(object_ref<XKernelModule> kernel_module) {
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std::lock_guard<xe::recursive_mutex> lock(object_mutex_);
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@ -255,6 +256,7 @@ object_ref<XUserModule> KernelState::LoadUserModule(const char* raw_name) {
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std::string name = xe::find_name_from_path(raw_name);
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std::string path(raw_name);
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if (name == raw_name) {
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assert_not_null(executable_module_);
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path = xe::join_paths(xe::find_base_path(executable_module_->path()), name);
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}
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@ -284,7 +286,7 @@ object_ref<XUserModule> KernelState::LoadUserModule(const char* raw_name) {
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module->Dump();
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if (module->entry_point()) {
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if (module->dll_module() && module->entry_point()) {
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// Call DllMain(DLL_PROCESS_ATTACH):
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// https://msdn.microsoft.com/en-us/library/windows/desktop/ms682583%28v=vs.85%29.aspx
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uint64_t args[] = {
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@ -331,7 +333,7 @@ void KernelState::OnThreadExecute(XThread* thread) {
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// https://msdn.microsoft.com/en-us/library/windows/desktop/ms682583%28v=vs.85%29.aspx
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auto thread_state = thread->thread_state();
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for (auto user_module : user_modules_) {
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if (user_module->entry_point()) {
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if (user_module->dll_module() && user_module->entry_point()) {
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uint64_t args[] = {
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user_module->handle(),
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2, // DLL_THREAD_ATTACH
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@ -353,7 +355,7 @@ void KernelState::OnThreadExit(XThread* thread) {
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// https://msdn.microsoft.com/en-us/library/windows/desktop/ms682583%28v=vs.85%29.aspx
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auto thread_state = thread->thread_state();
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for (auto user_module : user_modules_) {
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if (user_module->entry_point()) {
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if (user_module->dll_module() && user_module->entry_point()) {
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uint64_t args[] = {
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user_module->handle(),
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3, // DLL_THREAD_DETACH
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@ -104,6 +104,7 @@ X_STATUS XUserModule::LoadFromMemory(const void* addr, const size_t length) {
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// Cache some commonly used headers...
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this->xex_module()->GetOptHeader(XEX_HEADER_ENTRY_POINT, &entry_point_);
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this->xex_module()->GetOptHeader(XEX_HEADER_DEFAULT_STACK_SIZE, &stack_size_);
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dll_module_ = !!(header->module_flags & XEX_MODULE_DLL_MODULE);
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OnLoad();
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@ -32,6 +32,7 @@ class XUserModule : public XModule {
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const xex2_header* xex_header() const { return xex_module()->xex_header(); }
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uint32_t guest_xex_header() const { return guest_xex_header_; }
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bool dll_module() const { return dll_module_; }
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uint32_t entry_point() const { return entry_point_; }
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uint32_t stack_size() const { return stack_size_; }
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@ -67,6 +68,7 @@ class XUserModule : public XModule {
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private:
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uint32_t guest_xex_header_;
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bool dll_module_;
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uint32_t entry_point_;
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uint32_t stack_size_;
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};
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