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authorbunnei <bunneidev@gmail.com>2020-01-24 16:31:43 +0100
committerGitHub <noreply@github.com>2020-01-24 16:31:43 +0100
commitf64adcfc37f15e31e8c6f772f56d8681512392d3 (patch)
treed0c6aa694aff0c9fe161caac56c3126a009efebd /src
parentMerge pull request #2800 from FearlessTobi/port-4049 (diff)
parentloader: provide default arguments (zero byte) to NSOs (diff)
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Diffstat (limited to 'src')
-rw-r--r--src/core/loader/nso.cpp11
-rw-r--r--src/core/loader/nso.h2
2 files changed, 10 insertions, 3 deletions
diff --git a/src/core/loader/nso.cpp b/src/core/loader/nso.cpp
index 515c5accb..044067a5b 100644
--- a/src/core/loader/nso.cpp
+++ b/src/core/loader/nso.cpp
@@ -97,7 +97,8 @@ std::optional<VAddr> AppLoader_NSO::LoadModule(Kernel::Process& process,
if (nso_header.IsSegmentCompressed(i)) {
data = DecompressSegment(data, nso_header.segments[i]);
}
- program_image.resize(nso_header.segments[i].location + data.size());
+ program_image.resize(nso_header.segments[i].location +
+ PageAlignSize(static_cast<u32>(data.size())));
std::memcpy(program_image.data() + nso_header.segments[i].location, data.data(),
data.size());
codeset.segments[i].addr = nso_header.segments[i].location;
@@ -105,8 +106,12 @@ std::optional<VAddr> AppLoader_NSO::LoadModule(Kernel::Process& process,
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;
+ if (should_pass_arguments) {
+ std::vector<u8> arg_data{Settings::values.program_args.begin(),
+ Settings::values.program_args.end()};
+ if (arg_data.empty()) {
+ arg_data.resize(NSO_ARGUMENT_DEFAULT_SIZE);
+ }
codeset.DataSegment().size += NSO_ARGUMENT_DATA_ALLOCATION_SIZE;
NSOArgumentHeader args_header{
NSO_ARGUMENT_DATA_ALLOCATION_SIZE, static_cast<u32_le>(arg_data.size()), {}};
diff --git a/src/core/loader/nso.h b/src/core/loader/nso.h
index 58cbe162d..d2d600cd9 100644
--- a/src/core/loader/nso.h
+++ b/src/core/loader/nso.h
@@ -56,6 +56,8 @@ static_assert(sizeof(NSOHeader) == 0x100, "NSOHeader has incorrect size.");
static_assert(std::is_trivially_copyable_v<NSOHeader>, "NSOHeader must be trivially copyable.");
constexpr u64 NSO_ARGUMENT_DATA_ALLOCATION_SIZE = 0x9000;
+// NOTE: Official software default argument state is unverified.
+constexpr u64 NSO_ARGUMENT_DEFAULT_SIZE = 1;
struct NSOArgumentHeader {
u32_le allocated_size;