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nso/nro: Add NSO arguments structure to data section

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Only added if arguments string is non-empty and a pass is requested by loader.
This commit is contained in:
Zach Hilman 2018-09-30 14:04:48 -04:00
parent 6e4d2e672d
commit e09505ff61
4 changed files with 38 additions and 3 deletions
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15
src/core/loader/nso.cpp
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@ -17,6 +17,7 @@
#include "core/hle/kernel/vm_manager.h"
#include "core/loader/nso.h"
#include "core/memory.h"
#include "core/settings.h"
namespace Loader {
@ -94,6 +95,7 @@ static constexpr u32 PageAlignSize(u32 size) {
}
VAddr AppLoader_NSO::LoadModule(FileSys::VirtualFile file, VAddr load_base,
bool should_pass_arguments,
boost::optional<FileSys::PatchManager> pm) {
if (file == nullptr)
return {};
@ -125,6 +127,17 @@ VAddr AppLoader_NSO::LoadModule(FileSys::VirtualFile file, VAddr load_base,
codeset->segments[i].size = PageAlignSize(static_cast<u32>(data.size()));
}
if (should_pass_arguments && !Settings::values.program_args.empty()) {
const auto arg_data = Settings::values.program_args;
codeset->DataSegment().size += 0x9000;
NSOArgumentHeader args_header{0x9000, arg_data.size(), {}};
program_image.resize(static_cast<u32>(program_image.size()) + 0x9000);
std::memcpy(program_image.data() + program_image.size() - 0x9000, &args_header,
sizeof(NSOArgumentHeader));
std::memcpy(program_image.data() + program_image.size() - 0x8FE0, arg_data.data(),
arg_data.size());
}
// MOD header pointer is at .text offset + 4
u32 module_offset;
std::memcpy(&module_offset, program_image.data() + 4, sizeof(u32));
@ -172,7 +185,7 @@ ResultStatus AppLoader_NSO::Load(Kernel::Process& process) {
// Load module
const VAddr base_address = process.VMManager().GetCodeRegionBaseAddress();
LoadModule(file, base_address);
LoadModule(file, base_address, true);
LOG_DEBUG(Loader, "loaded module {} @ 0x{:X}", file->GetName(), base_address);
process.Run(base_address, Kernel::THREADPRIO_DEFAULT, Memory::DEFAULT_STACK_SIZE);