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Merge pull request #77 from gdkchan/no_relocs

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Remove relocation on NSO/NRO
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bunnei 2018-01-17 17:17:07 -05:00 committed by GitHub
commit 5fcf8d530a
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GPG key ID: 4AEE18F83AFDEB23
3 changed files with 2 additions and 19 deletions
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9
src/core/loader/nro.cpp
View file

@ -118,13 +118,6 @@ bool AppLoader_NRO::LoadNro(const std::string& path, VAddr load_base) {
} }
program_image.resize(PageAlignSize(static_cast<u32>(program_image.size()) + bss_size)); program_image.resize(PageAlignSize(static_cast<u32>(program_image.size()) + bss_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) {
Relocate(program_image, nro_header.module_header_offset + mod_header.dynamic_offset,
load_base);
}
// Load codeset for current process // Load codeset for current process
codeset->name = path; 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));
@ -154,8 +147,6 @@ ResultStatus AppLoader_NRO::Load(Kernel::SharedPtr<Kernel::Process>& process) {
Kernel::ResourceLimit::GetForCategory(Kernel::ResourceLimitCategory::APPLICATION); Kernel::ResourceLimit::GetForCategory(Kernel::ResourceLimitCategory::APPLICATION);
process->Run(base_addr, 48, Kernel::DEFAULT_STACK_SIZE); process->Run(base_addr, 48, Kernel::DEFAULT_STACK_SIZE);
ResolveImports();
is_loaded = true; is_loaded = true;
return ResultStatus::Success; return ResultStatus::Success;
} }

10
src/core/loader/nso.cpp
View file

@ -88,7 +88,7 @@ static constexpr u32 PageAlignSize(u32 size) {
return (size + Memory::PAGE_MASK) & ~Memory::PAGE_MASK; return (size + Memory::PAGE_MASK) & ~Memory::PAGE_MASK;
} }
VAddr AppLoader_NSO::LoadNso(const std::string& path, VAddr load_base, bool relocate) { VAddr AppLoader_NSO::LoadNso(const std::string& path, VAddr load_base) {
FileUtil::IOFile file(path, "rb"); FileUtil::IOFile file(path, "rb");
if (!file.IsOpen()) { if (!file.IsOpen()) {
return {}; return {};
@ -135,12 +135,6 @@ VAddr AppLoader_NSO::LoadNso(const std::string& path, VAddr load_base, bool relo
const u32 image_size{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); 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 && relocate) {
Relocate(program_image, module_offset + mod_header.dynamic_offset, load_base);
}
// Load codeset for current process // Load codeset for current process
codeset->name = path; 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));
@ -181,8 +175,6 @@ ResultStatus AppLoader_NSO::Load(Kernel::SharedPtr<Kernel::Process>& process) {
Kernel::ResourceLimit::GetForCategory(Kernel::ResourceLimitCategory::APPLICATION); Kernel::ResourceLimit::GetForCategory(Kernel::ResourceLimitCategory::APPLICATION);
process->Run(Memory::PROCESS_IMAGE_VADDR, 48, Kernel::DEFAULT_STACK_SIZE); process->Run(Memory::PROCESS_IMAGE_VADDR, 48, Kernel::DEFAULT_STACK_SIZE);
ResolveImports();
is_loaded = true; is_loaded = true;
return ResultStatus::Success; return ResultStatus::Success;
} }

2
src/core/loader/nso.h
View file

@ -34,7 +34,7 @@ public:
ResultStatus Load(Kernel::SharedPtr<Kernel::Process>& process) override; ResultStatus Load(Kernel::SharedPtr<Kernel::Process>& process) override;
private: private:
VAddr LoadNso(const std::string& path, VAddr load_base, bool relocate = false); VAddr LoadNso(const std::string& path, VAddr load_base);
std::string filepath; std::string filepath;
}; };