forked from ShuriZma/suyu
nso: Refactor and allocate .bss section.
This commit is contained in:
parent
fa1c7c7ee1
commit
8c92435ded
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@ -15,16 +15,19 @@ ArchiveFactory_SaveData::ArchiveFactory_SaveData(
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: sd_savedata_source(sd_savedata) {}
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: sd_savedata_source(sd_savedata) {}
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ResultVal<std::unique_ptr<ArchiveBackend>> ArchiveFactory_SaveData::Open(const Path& path) {
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ResultVal<std::unique_ptr<ArchiveBackend>> ArchiveFactory_SaveData::Open(const Path& path) {
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return sd_savedata_source->Open(Kernel::g_current_process->codeset->program_id);
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UNIMPLEMENTED();
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return {}; //sd_savedata_source->Open(Kernel::g_current_process->codeset->program_id);
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}
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}
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ResultCode ArchiveFactory_SaveData::Format(const Path& path,
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ResultCode ArchiveFactory_SaveData::Format(const Path& path,
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const FileSys::ArchiveFormatInfo& format_info) {
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const FileSys::ArchiveFormatInfo& format_info) {
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return sd_savedata_source->Format(Kernel::g_current_process->codeset->program_id, format_info);
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UNIMPLEMENTED();
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return RESULT_SUCCESS; //sd_savedata_source->Format(Kernel::g_current_process->codeset->program_id, format_info);
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}
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}
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ResultVal<ArchiveFormatInfo> ArchiveFactory_SaveData::GetFormatInfo(const Path& path) const {
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ResultVal<ArchiveFormatInfo> ArchiveFactory_SaveData::GetFormatInfo(const Path& path) const {
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return sd_savedata_source->GetFormatInfo(Kernel::g_current_process->codeset->program_id);
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UNIMPLEMENTED();
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return {}; //sd_savedata_source->GetFormatInfo(Kernel::g_current_process->codeset->program_id);
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}
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}
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} // namespace FileSys
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} // namespace FileSys
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@ -30,10 +30,10 @@ CodeSet::~CodeSet() {}
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u32 Process::next_process_id;
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u32 Process::next_process_id;
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SharedPtr<Process> Process::Create(SharedPtr<CodeSet> code_set) {
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SharedPtr<Process> Process::Create(std::string&& name) {
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SharedPtr<Process> process(new Process);
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SharedPtr<Process> process(new Process);
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process->codeset = code_set;
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process->name = std::move(name);
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process->flags.raw = 0;
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process->flags.raw = 0;
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process->flags.memory_region.Assign(MemoryRegion::APPLICATION);
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process->flags.memory_region.Assign(MemoryRegion::APPLICATION);
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@ -112,7 +112,7 @@ void Process::ParseKernelCaps(const u32* kernel_caps, size_t len) {
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}
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}
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}
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}
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void Process::Run(s32 main_thread_priority, u32 stack_size) {
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void Process::Run(VAddr entry_point, s32 main_thread_priority, u32 stack_size) {
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// Allocate and map stack
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// Allocate and map stack
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vm_manager
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vm_manager
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.MapMemoryBlock(Memory::HEAP_VADDR_END - stack_size,
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.MapMemoryBlock(Memory::HEAP_VADDR_END - stack_size,
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@ -129,7 +129,8 @@ void Process::Run(s32 main_thread_priority, u32 stack_size) {
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}
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}
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vm_manager.LogLayout(Log::Level::Debug);
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vm_manager.LogLayout(Log::Level::Debug);
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Kernel::SetupMainThread(codeset->entrypoint, main_thread_priority);
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Kernel::SetupMainThread(entry_point, main_thread_priority);
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}
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void Process::LoadModule(SharedPtr<CodeSet> module_, VAddr base_addr) {
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void Process::LoadModule(SharedPtr<CodeSet> module_, VAddr base_addr) {
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memory_region = GetMemoryRegion(flags.memory_region);
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memory_region = GetMemoryRegion(flags.memory_region);
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@ -93,13 +93,13 @@ private:
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class Process final : public Object {
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class Process final : public Object {
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public:
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public:
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static SharedPtr<Process> Create(SharedPtr<CodeSet> code_set);
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static SharedPtr<Process> Create(std::string&& name);
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std::string GetTypeName() const override {
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std::string GetTypeName() const override {
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return "Process";
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return "Process";
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}
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}
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std::string GetName() const override {
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std::string GetName() const override {
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return codeset->name;
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return name;
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}
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}
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static const HandleType HANDLE_TYPE = HandleType::Process;
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static const HandleType HANDLE_TYPE = HandleType::Process;
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@ -109,7 +109,6 @@ public:
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static u32 next_process_id;
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static u32 next_process_id;
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SharedPtr<CodeSet> codeset;
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/// Resource limit descriptor for this process
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/// Resource limit descriptor for this process
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SharedPtr<ResourceLimit> resource_limit;
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SharedPtr<ResourceLimit> resource_limit;
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@ -138,7 +137,7 @@ public:
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/**
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/**
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* Applies address space changes and launches the process main thread.
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* Applies address space changes and launches the process main thread.
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*/
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*/
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void Run(s32 main_thread_priority, u32 stack_size);
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void Run(VAddr entry_point, s32 main_thread_priority, u32 stack_size);
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void LoadModule(SharedPtr<CodeSet> module_, VAddr base_addr);
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void LoadModule(SharedPtr<CodeSet> module_, VAddr base_addr);
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@ -166,6 +165,8 @@ public:
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/// This vector will grow as more pages are allocated for new threads.
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/// This vector will grow as more pages are allocated for new threads.
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std::vector<std::bitset<8>> tls_slots;
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std::vector<std::bitset<8>> tls_slots;
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std::string name;
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VAddr GetLinearHeapAreaAddress() const;
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VAddr GetLinearHeapAreaAddress() const;
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VAddr GetLinearHeapBase() const;
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VAddr GetLinearHeapBase() const;
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VAddr GetLinearHeapLimit() const;
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VAddr GetLinearHeapLimit() const;
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@ -267,7 +267,8 @@ ResultStatus AppLoader_THREEDSX::Load() {
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return ResultStatus::Error;
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return ResultStatus::Error;
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codeset->name = filename;
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codeset->name = filename;
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Kernel::g_current_process = Kernel::Process::Create(std::move(codeset));
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Kernel::g_current_process = Kernel::Process::Create("main");
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Kernel::g_current_process->LoadModule(codeset, codeset->entrypoint);
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Kernel::g_current_process->svc_access_mask.set();
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Kernel::g_current_process->svc_access_mask.set();
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Kernel::g_current_process->address_mappings = default_address_mappings;
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Kernel::g_current_process->address_mappings = default_address_mappings;
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@ -275,7 +276,7 @@ ResultStatus AppLoader_THREEDSX::Load() {
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Kernel::g_current_process->resource_limit =
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Kernel::g_current_process->resource_limit =
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Kernel::ResourceLimit::GetForCategory(Kernel::ResourceLimitCategory::APPLICATION);
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Kernel::ResourceLimit::GetForCategory(Kernel::ResourceLimitCategory::APPLICATION);
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Kernel::g_current_process->Run(48, Kernel::DEFAULT_STACK_SIZE);
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Kernel::g_current_process->Run(codeset->entrypoint, 48, Kernel::DEFAULT_STACK_SIZE);
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Service::FS::RegisterArchiveType(std::make_unique<FileSys::ArchiveFactory_SelfNCCH>(*this),
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Service::FS::RegisterArchiveType(std::make_unique<FileSys::ArchiveFactory_SelfNCCH>(*this),
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Service::FS::ArchiveIdCode::SelfNCCH);
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Service::FS::ArchiveIdCode::SelfNCCH);
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@ -401,7 +401,8 @@ ResultStatus AppLoader_ELF::Load() {
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SharedPtr<CodeSet> codeset = elf_reader.LoadInto(Memory::PROCESS_IMAGE_VADDR);
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SharedPtr<CodeSet> codeset = elf_reader.LoadInto(Memory::PROCESS_IMAGE_VADDR);
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codeset->name = filename;
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codeset->name = filename;
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Kernel::g_current_process = Kernel::Process::Create(std::move(codeset));
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Kernel::g_current_process = Kernel::Process::Create("main");
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Kernel::g_current_process->LoadModule(codeset, codeset->entrypoint);
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Kernel::g_current_process->svc_access_mask.set();
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Kernel::g_current_process->svc_access_mask.set();
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Kernel::g_current_process->address_mappings = default_address_mappings;
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Kernel::g_current_process->address_mappings = default_address_mappings;
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@ -409,7 +410,7 @@ ResultStatus AppLoader_ELF::Load() {
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Kernel::g_current_process->resource_limit =
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Kernel::g_current_process->resource_limit =
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Kernel::ResourceLimit::GetForCategory(Kernel::ResourceLimitCategory::APPLICATION);
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Kernel::ResourceLimit::GetForCategory(Kernel::ResourceLimitCategory::APPLICATION);
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Kernel::g_current_process->Run(48, Kernel::DEFAULT_STACK_SIZE);
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Kernel::g_current_process->Run(codeset->entrypoint, 48, Kernel::DEFAULT_STACK_SIZE);
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is_loaded = true;
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is_loaded = true;
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return ResultStatus::Success;
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return ResultStatus::Success;
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@ -168,7 +168,8 @@ ResultStatus AppLoader_NCCH::LoadExec() {
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codeset->entrypoint = codeset->code.addr;
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codeset->entrypoint = codeset->code.addr;
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codeset->memory = std::make_shared<std::vector<u8>>(std::move(code));
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codeset->memory = std::make_shared<std::vector<u8>>(std::move(code));
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Kernel::g_current_process = Kernel::Process::Create(std::move(codeset));
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Kernel::g_current_process = Kernel::Process::Create("main");
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Kernel::g_current_process->LoadModule(codeset, codeset->entrypoint);
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// Attach a resource limit to the process based on the resource limit category
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// Attach a resource limit to the process based on the resource limit category
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Kernel::g_current_process->resource_limit =
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Kernel::g_current_process->resource_limit =
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@ -187,7 +188,7 @@ ResultStatus AppLoader_NCCH::LoadExec() {
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s32 priority = exheader_header.arm11_system_local_caps.priority;
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s32 priority = exheader_header.arm11_system_local_caps.priority;
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u32 stack_size = exheader_header.codeset_info.stack_size;
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u32 stack_size = exheader_header.codeset_info.stack_size;
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Kernel::g_current_process->Run(priority, stack_size);
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Kernel::g_current_process->Run(codeset->entrypoint, priority, stack_size);
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return ResultStatus::Success;
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return ResultStatus::Success;
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}
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}
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return ResultStatus::Error;
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return ResultStatus::Error;
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@ -2,8 +2,6 @@
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// Licensed under GPLv2 or any later version
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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// Refer to the license.txt file included.
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#include <map>
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#include <string>
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#include <vector>
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#include <vector>
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#include <lz4.h>
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#include <lz4.h>
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#include "core/loader/nso.h"
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#include "core/loader/nso.h"
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#include "core/memory.h"
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#include "core/memory.h"
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using Kernel::CodeSet;
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using Kernel::SharedPtr;
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namespace Loader {
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namespace Loader {
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FileType AppLoader_NSO::IdentifyType(FileUtil::IOFile& file) {
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enum class RelocationType : u32 { ABS64 = 257, GLOB_DAT = 1025, JUMP_SLOT = 1026, RELATIVE = 1027 };
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u32 magic = 0;
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file.Seek(0, SEEK_SET);
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if (1 != file.ReadArray<u32>(&magic, 1))
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return FileType::Error;
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if (MakeMagic('N', 'S', 'O', '0') == magic)
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enum DynamicType : u32 {
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return FileType::NSO;
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DT_NULL = 0,
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DT_PLTRELSZ = 2,
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return FileType::Error;
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DT_STRTAB = 5,
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}
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DT_SYMTAB = 6,
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DT_RELA = 7,
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DT_RELASZ = 8,
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DT_STRSZ = 10,
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DT_JMPREL = 23,
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};
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struct NsoSegmentHeader {
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struct NsoSegmentHeader {
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u32_le offset;
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u32_le offset;
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@ -42,13 +38,40 @@ static_assert(sizeof(NsoSegmentHeader) == 0x10, "NsoSegmentHeader has incorrect
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struct NsoHeader {
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struct NsoHeader {
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u32_le magic;
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u32_le magic;
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INSERT_PADDING_BYTES(0xc);
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INSERT_PADDING_BYTES(0xc);
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std::array<NsoSegmentHeader, 3> segments; // Text, Data, RoData (in that order)
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std::array<NsoSegmentHeader, 3> segments; // Text, RoData, Data (in that order)
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INSERT_PADDING_BYTES(0x20);
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u32_le bss_size;
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INSERT_PADDING_BYTES(0x1c);
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std::array<u32_le, 3> segments_compressed_size;
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std::array<u32_le, 3> segments_compressed_size;
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};
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};
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static_assert(sizeof(NsoHeader) == 0x6c, "NsoHeader has incorrect size.");
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static_assert(sizeof(NsoHeader) == 0x6c, "NsoHeader has incorrect size.");
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struct ModHeader {
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INSERT_PADDING_BYTES(0x4);
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u32_le offset_to_start; // Always 8
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u32_le magic;
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u32_le dynamic_offset;
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u32_le bss_start_offset;
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u32_le bss_end_offset;
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u32_le eh_frame_hdr_start_offset;
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u32_le eh_frame_hdr_end_offset;
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u32_le module_offset; // Offset to runtime-generated module object. typically equal to .bss base
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};
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static_assert(sizeof(ModHeader) == 0x24, "ModHeader has incorrect size.");
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FileType AppLoader_NSO::IdentifyType(FileUtil::IOFile& file) {
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u32 magic = 0;
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file.Seek(0, SEEK_SET);
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if (1 != file.ReadArray<u32>(&magic, 1)) {
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return FileType::Error;
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}
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if (MakeMagic('N', 'S', 'O', '0') == magic) {
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return FileType::NSO;
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}
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return FileType::Error;
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}
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static std::vector<u8> ReadSegment(FileUtil::IOFile& file, const NsoSegmentHeader& header,
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static std::vector<u8> ReadSegment(FileUtil::IOFile& file, const NsoSegmentHeader& header,
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int compressed_size) {
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int compressed_size) {
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std::vector<u8> compressed_data;
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std::vector<u8> compressed_data;
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@ -72,40 +95,10 @@ static std::vector<u8> ReadSegment(FileUtil::IOFile& file, const NsoSegmentHeade
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return uncompressed_data;
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return uncompressed_data;
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}
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}
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struct Symbol {
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void AppLoader_NSO::WriteRelocations(const std::vector<Symbol>& symbols, VAddr load_base,
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Symbol(std::string&& name, u64 value) : name(std::move(name)), value(value) {}
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u64 relocation_offset, u64 size, bool is_jump_relocation) {
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std::string name;
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u64 value;
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};
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struct Import {
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VAddr ea;
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s64 addend;
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};
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enum class RelocationType : u32 {
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ABS64 = 257,
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GLOB_DAT = 1025,
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JUMP_SLOT = 1026,
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RELATIVE = 1027
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};
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enum DynamicType : u32 {
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DT_NULL = 0,
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DT_PLTRELSZ = 2,
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DT_STRTAB = 5,
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DT_SYMTAB = 6,
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DT_RELA = 7,
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DT_RELASZ = 8,
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DT_STRSZ = 10,
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DT_JMPREL = 23,
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};
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void WriteRelocations(const std::vector<Symbol>& symbols, VAddr loadbase, u64 roff, u64 size,
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bool is_jump_relocation, std::map<std::string, Import>& imports,
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std::map<std::string, VAddr>& exports) {
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for (u64 i = 0; i < size; i += 0x18) {
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for (u64 i = 0; i < size; i += 0x18) {
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VAddr addr = loadbase + roff + i;
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VAddr addr = load_base + relocation_offset + i;
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u64 offset = Memory::Read64(addr);
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u64 offset = Memory::Read64(addr);
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u64 info = Memory::Read64(addr + 8);
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u64 info = Memory::Read64(addr + 8);
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u64 addend_unsigned = Memory::Read64(addr + 16);
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u64 addend_unsigned = Memory::Read64(addr + 16);
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@ -114,16 +107,16 @@ void WriteRelocations(const std::vector<Symbol>& symbols, VAddr loadbase, u64 ro
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RelocationType rtype = static_cast<RelocationType>(info & 0xFFFFFFFF);
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RelocationType rtype = static_cast<RelocationType>(info & 0xFFFFFFFF);
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u32 rsym = static_cast<u32>(info >> 32);
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u32 rsym = static_cast<u32>(info >> 32);
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VAddr ea = loadbase + offset;
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VAddr ea = load_base + offset;
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const Symbol& symbol = symbols[rsym];
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const Symbol& symbol = symbols[rsym];
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switch (rtype) {
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switch (rtype) {
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case RelocationType::RELATIVE:
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case RelocationType::RELATIVE:
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if (!symbol.name.empty()) {
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if (!symbol.name.empty()) {
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exports[symbol.name] = loadbase + addend;
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exports[symbol.name] = load_base + addend;
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}
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}
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Memory::Write64(ea, loadbase + addend);
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Memory::Write64(ea, load_base + addend);
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break;
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break;
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case RelocationType::JUMP_SLOT:
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case RelocationType::JUMP_SLOT:
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case RelocationType::GLOB_DAT:
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case RelocationType::GLOB_DAT:
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@ -149,18 +142,12 @@ void WriteRelocations(const std::vector<Symbol>& symbols, VAddr loadbase, u64 ro
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}
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}
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}
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}
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void Relocate(VAddr loadbase, std::map<std::string, Import>& imports,
|
void AppLoader_NSO::Relocate(VAddr load_base, VAddr dynamic_section_addr) {
|
||||||
std::map<std::string, VAddr>& exports) {
|
|
||||||
u32 modoff = Memory::Read32(loadbase + 4);
|
|
||||||
ASSERT_MSG(Memory::Read32(loadbase + modoff) == MakeMagic('M', 'O', 'D', '0'),
|
|
||||||
"Expected MOD section");
|
|
||||||
|
|
||||||
u64 dynoff = loadbase + modoff + Memory::Read32(loadbase + modoff + 4);
|
|
||||||
std::map<u64, u64> dynamic;
|
std::map<u64, u64> dynamic;
|
||||||
while (1) {
|
while (1) {
|
||||||
u64 tag = Memory::Read64(dynoff);
|
u64 tag = Memory::Read64(dynamic_section_addr);
|
||||||
u64 value = Memory::Read64(dynoff + 8);
|
u64 value = Memory::Read64(dynamic_section_addr + 8);
|
||||||
dynoff += 16;
|
dynamic_section_addr += 16;
|
||||||
|
|
||||||
if (tag == DT_NULL) {
|
if (tag == DT_NULL) {
|
||||||
break;
|
break;
|
||||||
|
@ -171,9 +158,9 @@ void Relocate(VAddr loadbase, std::map<std::string, Import>& imports,
|
||||||
u64 strtabsize = dynamic[DT_STRSZ];
|
u64 strtabsize = dynamic[DT_STRSZ];
|
||||||
std::vector<u8> strtab;
|
std::vector<u8> strtab;
|
||||||
strtab.resize(strtabsize);
|
strtab.resize(strtabsize);
|
||||||
Memory::ReadBlock(loadbase + dynamic[DT_STRTAB], strtab.data(), strtabsize);
|
Memory::ReadBlock(load_base + dynamic[DT_STRTAB], strtab.data(), strtabsize);
|
||||||
|
|
||||||
VAddr addr = loadbase + dynamic[DT_SYMTAB];
|
VAddr addr = load_base + dynamic[DT_SYMTAB];
|
||||||
std::vector<Symbol> symbols;
|
std::vector<Symbol> symbols;
|
||||||
while (1) {
|
while (1) {
|
||||||
const u32 stname = Memory::Read32(addr);
|
const u32 stname = Memory::Read32(addr);
|
||||||
|
@ -187,96 +174,108 @@ void Relocate(VAddr loadbase, std::map<std::string, Import>& imports,
|
||||||
|
|
||||||
std::string name = reinterpret_cast<char*>(&strtab[stname]);
|
std::string name = reinterpret_cast<char*>(&strtab[stname]);
|
||||||
if (stvalue) {
|
if (stvalue) {
|
||||||
exports[name] = loadbase + stvalue;
|
exports[name] = load_base + stvalue;
|
||||||
symbols.emplace_back(std::move(name), loadbase + stvalue);
|
symbols.emplace_back(std::move(name), load_base + stvalue);
|
||||||
} else {
|
} else {
|
||||||
symbols.emplace_back(std::move(name), 0);
|
symbols.emplace_back(std::move(name), 0);
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
if (dynamic.find(DT_RELA) != dynamic.end()) {
|
if (dynamic.find(DT_RELA) != dynamic.end()) {
|
||||||
WriteRelocations(symbols, loadbase, dynamic[DT_RELA], dynamic[DT_RELASZ], false, imports,
|
WriteRelocations(symbols, load_base, dynamic[DT_RELA], dynamic[DT_RELASZ], false);
|
||||||
exports);
|
|
||||||
}
|
}
|
||||||
|
|
||||||
if (dynamic.find(DT_JMPREL) != dynamic.end()) {
|
if (dynamic.find(DT_JMPREL) != dynamic.end()) {
|
||||||
WriteRelocations(symbols, loadbase, dynamic[DT_JMPREL], dynamic[DT_PLTRELSZ], true, imports,
|
WriteRelocations(symbols, load_base, dynamic[DT_JMPREL], dynamic[DT_PLTRELSZ], true);
|
||||||
exports);
|
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
static VAddr GetEntryPoint(const std::map<std::string, VAddr>& exports) {
|
VAddr AppLoader_NSO::GetEntryPoint() const {
|
||||||
// Find nnMain function, set entrypoint to that address
|
// Find nnMain function, set entrypoint to that address
|
||||||
const auto& search = exports.find("nnMain");
|
const auto& search = exports.find("nnMain");
|
||||||
if (search != exports.end()) {
|
if (search != exports.end()) {
|
||||||
return search->second;
|
return search->second;
|
||||||
}
|
}
|
||||||
|
ASSERT_MSG(false, "Unable to find entrypoint");
|
||||||
return {};
|
return {};
|
||||||
}
|
}
|
||||||
|
|
||||||
static SharedPtr<CodeSet> LoadModule(const std::string& filepath, VAddr loadbase,
|
static constexpr u32 PageAlignSize(u32 size) {
|
||||||
std::map<std::string, Import>& imports,
|
return (size + Memory::PAGE_MASK) & ~Memory::PAGE_MASK;
|
||||||
std::map<std::string, VAddr>& exports) {
|
}
|
||||||
FileUtil::IOFile file(filepath, "rb");
|
|
||||||
|
|
||||||
if (!file.IsOpen())
|
bool AppLoader_NSO::LoadNso(const std::string& path, VAddr load_base) {
|
||||||
|
FileUtil::IOFile file(path, "rb");
|
||||||
|
if (!file.IsOpen()) {
|
||||||
return {};
|
return {};
|
||||||
|
}
|
||||||
|
|
||||||
NsoHeader header{};
|
// Read NSO header
|
||||||
|
NsoHeader nso_header{};
|
||||||
file.Seek(0, SEEK_SET);
|
file.Seek(0, SEEK_SET);
|
||||||
if (sizeof(NsoHeader) != file.ReadBytes(&header, sizeof(NsoHeader)))
|
if (sizeof(NsoHeader) != file.ReadBytes(&nso_header, sizeof(NsoHeader))) {
|
||||||
return {};
|
return {};
|
||||||
|
}
|
||||||
|
if (nso_header.magic != MakeMagic('N', 'S', 'O', '0')) {
|
||||||
|
return {};
|
||||||
|
}
|
||||||
|
|
||||||
// Build program image
|
// Build program image
|
||||||
SharedPtr<CodeSet> codeset = CodeSet::Create("", 0);
|
Kernel::SharedPtr<Kernel::CodeSet> codeset = Kernel::CodeSet::Create("", 0);
|
||||||
std::vector<u8> program_image;
|
std::vector<u8> program_image;
|
||||||
for (int i = 0; i < header.segments.size(); ++i) {
|
for (int i = 0; i < nso_header.segments.size(); ++i) {
|
||||||
std::vector<u8> data =
|
std::vector<u8> data =
|
||||||
ReadSegment(file, header.segments[i], header.segments_compressed_size[i]);
|
ReadSegment(file, nso_header.segments[i], nso_header.segments_compressed_size[i]);
|
||||||
program_image.resize(header.segments[i].location);
|
program_image.resize(nso_header.segments[i].location);
|
||||||
program_image.insert(program_image.end(), data.begin(), data.end());
|
program_image.insert(program_image.end(), data.begin(), data.end());
|
||||||
codeset->segments[i].addr = header.segments[i].location;
|
codeset->segments[i].addr = nso_header.segments[i].location;
|
||||||
codeset->segments[i].offset = header.segments[i].location;
|
codeset->segments[i].offset = nso_header.segments[i].location;
|
||||||
codeset->segments[i].size = (data.size() + Memory::PAGE_MASK) & ~Memory::PAGE_MASK;
|
codeset->segments[i].size = static_cast<u32>(data.size());
|
||||||
}
|
}
|
||||||
program_image.resize((program_image.size() + Memory::PAGE_MASK) & ~Memory::PAGE_MASK);
|
|
||||||
|
|
||||||
codeset->name = filepath;
|
// Read MOD header
|
||||||
codeset->entrypoint = 0; // Set after relocation
|
ModHeader mod_header{};
|
||||||
|
std::memcpy(&mod_header, program_image.data(), sizeof(ModHeader));
|
||||||
|
if (mod_header.magic != MakeMagic('M', 'O', 'D', '0')) {
|
||||||
|
return {};
|
||||||
|
}
|
||||||
|
|
||||||
|
// Resize program image to include .bss section and page align each section
|
||||||
|
const u32 bss_size = mod_header.bss_end_offset - mod_header.bss_start_offset;
|
||||||
|
codeset->code.size = PageAlignSize(codeset->code.size);
|
||||||
|
codeset->rodata.size = PageAlignSize(codeset->rodata.size);
|
||||||
|
codeset->data.size = PageAlignSize(codeset->data.size + bss_size);
|
||||||
|
program_image.resize(PageAlignSize(static_cast<u32>(program_image.size()) + bss_size));
|
||||||
|
|
||||||
|
// Load codeset for current process
|
||||||
|
codeset->name = path;
|
||||||
codeset->memory = std::make_shared<std::vector<u8>>(std::move(program_image));
|
codeset->memory = std::make_shared<std::vector<u8>>(std::move(program_image));
|
||||||
|
Kernel::g_current_process->LoadModule(codeset, load_base);
|
||||||
|
Relocate(load_base, load_base + mod_header.offset_to_start + mod_header.dynamic_offset);
|
||||||
|
|
||||||
return codeset;
|
return true;
|
||||||
}
|
}
|
||||||
|
|
||||||
ResultStatus AppLoader_NSO::Load() {
|
ResultStatus AppLoader_NSO::Load() {
|
||||||
if (is_loaded)
|
if (is_loaded) {
|
||||||
return ResultStatus::ErrorAlreadyLoaded;
|
return ResultStatus::ErrorAlreadyLoaded;
|
||||||
|
}
|
||||||
if (!file.IsOpen())
|
if (!file.IsOpen()) {
|
||||||
return ResultStatus::Error;
|
return ResultStatus::Error;
|
||||||
|
}
|
||||||
|
|
||||||
static constexpr VAddr loadbase = 0x7100000000;
|
// Load and relocate "main" and "sdk" NSO
|
||||||
std::map<std::string, Import> imports;
|
const std::string sdkpath = filepath.substr(0, filepath.find_last_of("/\\")) + "/sdk";
|
||||||
std::map<std::string, VAddr> exports;
|
Kernel::g_current_process = Kernel::Process::Create("main");
|
||||||
|
if (!LoadNso(filepath, 0x10000000) || !LoadNso(sdkpath, 0x20000000)) {
|
||||||
|
return ResultStatus::ErrorInvalidFormat;
|
||||||
|
}
|
||||||
|
|
||||||
// Load and relocate "main" NSO
|
|
||||||
auto codeset = LoadModule(filepath, loadbase, imports, exports);
|
|
||||||
Kernel::g_current_process = Kernel::Process::Create(codeset);
|
|
||||||
Kernel::g_current_process->svc_access_mask.set();
|
Kernel::g_current_process->svc_access_mask.set();
|
||||||
Kernel::g_current_process->address_mappings = default_address_mappings;
|
Kernel::g_current_process->address_mappings = default_address_mappings;
|
||||||
Kernel::g_current_process->resource_limit =
|
Kernel::g_current_process->resource_limit =
|
||||||
Kernel::ResourceLimit::GetForCategory(Kernel::ResourceLimitCategory::APPLICATION);
|
Kernel::ResourceLimit::GetForCategory(Kernel::ResourceLimitCategory::APPLICATION);
|
||||||
Kernel::g_current_process->LoadModule(codeset, loadbase);
|
Kernel::g_current_process->Run(GetEntryPoint(), 48, Kernel::DEFAULT_STACK_SIZE);
|
||||||
Relocate(loadbase, imports, exports);
|
|
||||||
codeset->entrypoint = GetEntryPoint(exports);
|
|
||||||
Kernel::g_current_process->Run(48, Kernel::DEFAULT_STACK_SIZE);
|
|
||||||
|
|
||||||
// Load and relocate "sdk" NSO
|
|
||||||
static constexpr VAddr sdkbase = 0x7200000000;
|
|
||||||
const std::string sdkpath = filepath.substr(0, filepath.find_last_of("/\\")) + "/sdk";
|
|
||||||
auto sdk_codeset = LoadModule(sdkpath, sdkbase, imports, exports);
|
|
||||||
Kernel::g_current_process->LoadModule(sdk_codeset, sdkbase);
|
|
||||||
Relocate(sdkbase, imports, exports);
|
|
||||||
|
|
||||||
// Resolve imports
|
// Resolve imports
|
||||||
for (const auto& import : imports) {
|
for (const auto& import : imports) {
|
||||||
|
@ -284,7 +283,7 @@ ResultStatus AppLoader_NSO::Load() {
|
||||||
if (search != exports.end()) {
|
if (search != exports.end()) {
|
||||||
Memory::Write64(import.second.ea, search->second + import.second.addend);
|
Memory::Write64(import.second.ea, search->second + import.second.addend);
|
||||||
} else {
|
} else {
|
||||||
LOG_CRITICAL(Loader, "Unresolved import: %s", import.first.c_str());
|
LOG_ERROR(Loader, "Unresolved import: %s", import.first.c_str());
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
|
@ -4,9 +4,11 @@
|
||||||
|
|
||||||
#pragma once
|
#pragma once
|
||||||
|
|
||||||
|
#include <map>
|
||||||
#include <string>
|
#include <string>
|
||||||
#include "common/common_types.h"
|
#include "common/common_types.h"
|
||||||
#include "common/file_util.h"
|
#include "common/file_util.h"
|
||||||
|
#include "core/hle/kernel/kernel.h"
|
||||||
#include "core/loader/loader.h"
|
#include "core/loader/loader.h"
|
||||||
|
|
||||||
namespace Loader {
|
namespace Loader {
|
||||||
|
@ -15,7 +17,8 @@ namespace Loader {
|
||||||
class AppLoader_NSO final : public AppLoader {
|
class AppLoader_NSO final : public AppLoader {
|
||||||
public:
|
public:
|
||||||
AppLoader_NSO(FileUtil::IOFile&& file, std::string filename, std::string filepath)
|
AppLoader_NSO(FileUtil::IOFile&& file, std::string filename, std::string filepath)
|
||||||
: AppLoader(std::move(file)), filename(std::move(filename)), filepath(std::move(filepath)) {}
|
: AppLoader(std::move(file)), filename(std::move(filename)), filepath(std::move(filepath)) {
|
||||||
|
}
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* Returns the type of the file
|
* Returns the type of the file
|
||||||
|
@ -31,6 +34,26 @@ public:
|
||||||
ResultStatus Load() override;
|
ResultStatus Load() override;
|
||||||
|
|
||||||
private:
|
private:
|
||||||
|
struct Symbol {
|
||||||
|
Symbol(std::string&& name, u64 value) : name(std::move(name)), value(value) {}
|
||||||
|
std::string name;
|
||||||
|
u64 value;
|
||||||
|
};
|
||||||
|
|
||||||
|
struct Import {
|
||||||
|
VAddr ea;
|
||||||
|
s64 addend;
|
||||||
|
};
|
||||||
|
|
||||||
|
void WriteRelocations(const std::vector<Symbol>& symbols, VAddr load_base,
|
||||||
|
u64 relocation_offset, u64 size, bool is_jump_relocation);
|
||||||
|
VAddr GetEntryPoint() const;
|
||||||
|
bool LoadNso(const std::string& path, VAddr load_base);
|
||||||
|
void Relocate(VAddr load_base, VAddr dynamic_section_addr);
|
||||||
|
|
||||||
|
std::map<std::string, Import> imports;
|
||||||
|
std::map<std::string, VAddr> exports;
|
||||||
|
|
||||||
std::string filename;
|
std::string filename;
|
||||||
std::string filepath;
|
std::string filepath;
|
||||||
};
|
};
|
||||||
|
|
|
@ -22,7 +22,7 @@ TEST_CASE("HLERequestContext::PopulateFromIncomingCommandBuffer", "[core][kernel
|
||||||
auto session = std::get<SharedPtr<ServerSession>>(ServerSession::CreateSessionPair());
|
auto session = std::get<SharedPtr<ServerSession>>(ServerSession::CreateSessionPair());
|
||||||
HLERequestContext context(std::move(session));
|
HLERequestContext context(std::move(session));
|
||||||
|
|
||||||
auto process = Process::Create(CodeSet::Create("", 0));
|
auto process = Process::Create("");
|
||||||
HandleTable handle_table;
|
HandleTable handle_table;
|
||||||
|
|
||||||
SECTION("works with empty cmdbuf") {
|
SECTION("works with empty cmdbuf") {
|
||||||
|
@ -142,7 +142,7 @@ TEST_CASE("HLERequestContext::WriteToOutgoingCommandBuffer", "[core][kernel]") {
|
||||||
auto session = std::get<SharedPtr<ServerSession>>(ServerSession::CreateSessionPair());
|
auto session = std::get<SharedPtr<ServerSession>>(ServerSession::CreateSessionPair());
|
||||||
HLERequestContext context(std::move(session));
|
HLERequestContext context(std::move(session));
|
||||||
|
|
||||||
auto process = Process::Create(CodeSet::Create("", 0));
|
auto process = Process::Create("");
|
||||||
HandleTable handle_table;
|
HandleTable handle_table;
|
||||||
auto* input = context.CommandBuffer();
|
auto* input = context.CommandBuffer();
|
||||||
u32_le output[IPC::COMMAND_BUFFER_LENGTH];
|
u32_le output[IPC::COMMAND_BUFFER_LENGTH];
|
||||||
|
|
Loading…
Reference in New Issue