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-rw-r--r--src/core/loader/loader.cpp4
-rw-r--r--src/core/loader/nro.cpp17
-rw-r--r--src/core/loader/nro.h7
-rw-r--r--src/core/loader/nso.cpp50
-rw-r--r--src/core/loader/nso.h8
5 files changed, 34 insertions, 52 deletions
diff --git a/src/core/loader/loader.cpp b/src/core/loader/loader.cpp
index d96b9f1f0..73318c584 100644
--- a/src/core/loader/loader.cpp
+++ b/src/core/loader/loader.cpp
@@ -121,11 +121,11 @@ static std::unique_ptr<AppLoader> GetFileLoader(FileUtil::IOFile&& file, FileTyp
// NX NSO file format.
case FileType::NSO:
- return std::make_unique<AppLoader_NSO>(std::move(file), filename, filepath);
+ return std::make_unique<AppLoader_NSO>(std::move(file), filepath);
// NX NRO file format.
case FileType::NRO:
- return std::make_unique<AppLoader_NRO>(std::move(file), filename, filepath);
+ return std::make_unique<AppLoader_NRO>(std::move(file), filepath);
default:
return nullptr;
diff --git a/src/core/loader/nro.cpp b/src/core/loader/nro.cpp
index ed638e1fa..753e7e08b 100644
--- a/src/core/loader/nro.cpp
+++ b/src/core/loader/nro.cpp
@@ -75,17 +75,6 @@ static std::vector<u8> ReadSegment(FileUtil::IOFile& file, const NroSegmentHeade
return data;
}
-VAddr AppLoader_NRO::GetEntryPoint(VAddr load_base) const {
- // Find nnMain function, set entrypoint to that address
- const auto& search = exports.find("nnMain");
- if (search != exports.end()) {
- return load_base + search->second;
- }
- const VAddr entry_point{load_base + sizeof(NroHeader)};
- LOG_ERROR(Loader, "Unable to find entrypoint, defaulting to: 0x%llx", entry_point);
- return entry_point;
-}
-
bool AppLoader_NRO::LoadNro(const std::string& path, VAddr load_base) {
FileUtil::IOFile file(path, "rb");
if (!file.IsOpen()) {
@@ -152,9 +141,9 @@ ResultStatus AppLoader_NRO::Load() {
}
// Load and relocate "main" and "sdk" NSO
- static constexpr VAddr main_base{0x10000000};
+ static constexpr VAddr base_addr{Memory::PROCESS_IMAGE_VADDR};
Kernel::g_current_process = Kernel::Process::Create("main");
- if (!LoadNro(filepath, main_base)) {
+ if (!LoadNro(filepath, base_addr)) {
return ResultStatus::ErrorInvalidFormat;
}
@@ -162,7 +151,7 @@ ResultStatus AppLoader_NRO::Load() {
Kernel::g_current_process->address_mappings = default_address_mappings;
Kernel::g_current_process->resource_limit =
Kernel::ResourceLimit::GetForCategory(Kernel::ResourceLimitCategory::APPLICATION);
- Kernel::g_current_process->Run(GetEntryPoint(main_base), 48, Kernel::DEFAULT_STACK_SIZE);
+ Kernel::g_current_process->Run(base_addr, 48, Kernel::DEFAULT_STACK_SIZE);
ResolveImports();
diff --git a/src/core/loader/nro.h b/src/core/loader/nro.h
index d145b68d5..c3c7622fd 100644
--- a/src/core/loader/nro.h
+++ b/src/core/loader/nro.h
@@ -17,9 +17,8 @@ namespace Loader {
/// Loads an NRO file
class AppLoader_NRO final : public AppLoader, Linker {
public:
- AppLoader_NRO(FileUtil::IOFile&& file, std::string filename, std::string filepath)
- : AppLoader(std::move(file)), filename(std::move(filename)), filepath(std::move(filepath)) {
- }
+ AppLoader_NRO(FileUtil::IOFile&& file, std::string filepath)
+ : AppLoader(std::move(file)), filepath(std::move(filepath)) {}
/**
* Returns the type of the file
@@ -35,10 +34,8 @@ public:
ResultStatus Load() override;
private:
- VAddr GetEntryPoint(VAddr load_base) const;
bool LoadNro(const std::string& path, VAddr load_base);
- std::string filename;
std::string filepath;
};
diff --git a/src/core/loader/nso.cpp b/src/core/loader/nso.cpp
index 4d885fef7..ac8d12ecc 100644
--- a/src/core/loader/nso.cpp
+++ b/src/core/loader/nso.cpp
@@ -70,31 +70,21 @@ static std::vector<u8> ReadSegment(FileUtil::IOFile& file, const NsoSegmentHeade
std::vector<u8> uncompressed_data;
uncompressed_data.resize(header.size);
- const int bytes_uncompressed =
- LZ4_decompress_safe_partial(reinterpret_cast<const char*>(compressed_data.data()),
- reinterpret_cast<char*>(uncompressed_data.data()),
- compressed_size, header.size, header.size);
+ const int bytes_uncompressed = LZ4_decompress_safe(
+ reinterpret_cast<const char*>(compressed_data.data()),
+ reinterpret_cast<char*>(uncompressed_data.data()), compressed_size, header.size);
- ASSERT_MSG(bytes_uncompressed == header.size, "%d != %d", bytes_uncompressed, header.size);
+ ASSERT_MSG(bytes_uncompressed == header.size && bytes_uncompressed == uncompressed_data.size(),
+ "%d != %d != %d", bytes_uncompressed, header.size, uncompressed_data.size());
return uncompressed_data;
}
-VAddr AppLoader_NSO::GetEntryPoint(VAddr load_base) const {
- // Find nnMain function, set entrypoint to that address
- const auto& search = exports.find("nnMain");
- if (search != exports.end()) {
- return search->second;
- }
- LOG_ERROR(Loader, "Unable to find entrypoint, defaulting to: 0x%llx", load_base);
- return load_base;
-}
-
static constexpr u32 PageAlignSize(u32 size) {
return (size + Memory::PAGE_MASK) & ~Memory::PAGE_MASK;
}
-bool AppLoader_NSO::LoadNso(const std::string& path, VAddr load_base) {
+VAddr AppLoader_NSO::LoadNso(const std::string& path, VAddr load_base, bool relocate) {
FileUtil::IOFile file(path, "rb");
if (!file.IsOpen()) {
return {};
@@ -137,11 +127,12 @@ bool AppLoader_NSO::LoadNso(const std::string& path, VAddr load_base) {
bss_size = PageAlignSize(mod_header.bss_end_offset - mod_header.bss_start_offset);
codeset->data.size += bss_size;
}
- program_image.resize(PageAlignSize(static_cast<u32>(program_image.size()) + bss_size));
+ const u32 image_size{PageAlignSize(static_cast<u32>(program_image.size()) + bss_size)};
+ program_image.resize(image_size);
// Relocate symbols if there was a proper MOD header - This must happen after the image has been
// loaded into memory
- if (has_mod_header) {
+ if (has_mod_header && relocate) {
Relocate(program_image, module_offset + mod_header.dynamic_offset, load_base);
}
@@ -150,7 +141,7 @@ bool AppLoader_NSO::LoadNso(const std::string& path, VAddr load_base) {
codeset->memory = std::make_shared<std::vector<u8>>(std::move(program_image));
Kernel::g_current_process->LoadModule(codeset, load_base);
- return true;
+ return load_base + image_size;
}
ResultStatus AppLoader_NSO::Load() {
@@ -161,22 +152,29 @@ ResultStatus AppLoader_NSO::Load() {
return ResultStatus::Error;
}
- // Load and relocate "main" and "sdk" NSO
- static constexpr VAddr main_base{0x710000000};
+ // Load and relocate "rtld" NSO
+ static constexpr VAddr base_addr{Memory::PROCESS_IMAGE_VADDR};
Kernel::g_current_process = Kernel::Process::Create("main");
- if (!LoadNso(filepath, main_base)) {
+ VAddr next_base_addr{LoadNso(filepath, base_addr)};
+ if (!next_base_addr) {
return ResultStatus::ErrorInvalidFormat;
}
- const std::string sdkpath = filepath.substr(0, filepath.find_last_of("/\\")) + "/sdk";
- if (!LoadNso(sdkpath, 0x720000000)) {
- LOG_WARNING(Loader, "failed to find SDK NSO");
+
+ // Load and relocate remaining submodules
+ for (const auto& module_name : {"main", "sdk", "subsdk0", "subsdk1"}) {
+ const std::string module_path =
+ filepath.substr(0, filepath.find_last_of("/\\")) + "/" + module_name;
+ next_base_addr = LoadNso(module_path, next_base_addr);
+ if (!next_base_addr) {
+ LOG_WARNING(Loader, "failed to find load module: %s", module_name);
+ }
}
Kernel::g_current_process->svc_access_mask.set();
Kernel::g_current_process->address_mappings = default_address_mappings;
Kernel::g_current_process->resource_limit =
Kernel::ResourceLimit::GetForCategory(Kernel::ResourceLimitCategory::APPLICATION);
- Kernel::g_current_process->Run(GetEntryPoint(main_base), 48, Kernel::DEFAULT_STACK_SIZE);
+ Kernel::g_current_process->Run(base_addr, 48, Kernel::DEFAULT_STACK_SIZE);
ResolveImports();
diff --git a/src/core/loader/nso.h b/src/core/loader/nso.h
index 431b960b1..c29803d81 100644
--- a/src/core/loader/nso.h
+++ b/src/core/loader/nso.h
@@ -17,8 +17,8 @@ namespace Loader {
/// Loads an NSO file
class AppLoader_NSO final : public AppLoader, Linker {
public:
- AppLoader_NSO(FileUtil::IOFile&& file, std::string filename, std::string filepath)
- : AppLoader(std::move(file)), filename(std::move(filename)), filepath(std::move(filepath)) {
+ AppLoader_NSO(FileUtil::IOFile&& file, std::string filepath)
+ : AppLoader(std::move(file)), filepath(std::move(filepath)) {
}
/**
@@ -35,10 +35,8 @@ public:
ResultStatus Load() override;
private:
- VAddr GetEntryPoint(VAddr load_base) const;
- bool LoadNso(const std::string& path, VAddr load_base);
+ VAddr LoadNso(const std::string& path, VAddr load_base, bool relocate = false);
- std::string filename;
std::string filepath;
};
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-14 18:18:45 +0100