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[loader] change ASLR algo to be more uniform (#3869)
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Signed-off-by: lizzie <lizzie@eden-emu.dev>
Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/3869
Reviewed-by: crueter <crueter@eden-emu.dev>
Reviewed-by: MaranBr <maranbr@eden-emu.dev>
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lizzie 2026-04-27 05:09:55 +02:00 • committed by crueter
parent cbeea5b954
commit f088f5bd45
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3 changed files with 6 additions and 9 deletions
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5
src/core/loader/deconstructed_rom_directory.cpp
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@ -228,9 +228,8 @@ AppLoader_DeconstructedRomDirectory::LoadResult AppLoader_DeconstructedRomDirect
code_size += patch_ctx.GetTotalPatchSize(); code_size += patch_ctx.GetTotalPatchSize();
// TODO: this is bad form of ASLR, it sucks // TODO: this is bad form of ASLR, it sucks
size_t aslr_offset = ((::Settings::values.rng_seed_enabled.GetValue() std::uintptr_t aslr_offset = ((::Settings::values.rng_seed_enabled.GetValue()
? ::Settings::values.rng_seed.GetValue() ? ::Settings::values.rng_seed.GetValue() : Common::Random::Random64(0)) << 12) & 0xfff000;
: Common::Random::Random64(0)) * 0x734287f27) & 0xfff000;
// Setup the process code layout // Setup the process code layout
if (process.LoadFromMetadata(metadata, code_size, fastmem_base, aslr_offset, is_hbl).IsError()) { if (process.LoadFromMetadata(metadata, code_size, fastmem_base, aslr_offset, is_hbl).IsError()) {

5
src/core/loader/kip.cpp
View file

@ -89,9 +89,8 @@ AppLoader::LoadResult AppLoader_KIP::Load(Kernel::KProcess& process,
codeset.DataSegment().size += kip->GetBSSSize(); codeset.DataSegment().size += kip->GetBSSSize();
// TODO: this is bad form of ASLR, it sucks // TODO: this is bad form of ASLR, it sucks
size_t aslr_offset = ((::Settings::values.rng_seed_enabled.GetValue() std::uintptr_t aslr_offset = ((::Settings::values.rng_seed_enabled.GetValue()
? ::Settings::values.rng_seed.GetValue() ? ::Settings::values.rng_seed.GetValue() : Common::Random::Random64(0)) << 12) & 0xfff000;
: Common::Random::Random64(0)) * 0x734287f27) & 0xfff000;
// Setup the process code layout // Setup the process code layout
if (process.LoadFromMetadata(FileSys::ProgramMetadata::GetDefault(), codeset.memory.size(), 0, aslr_offset, false).IsError()) { if (process.LoadFromMetadata(FileSys::ProgramMetadata::GetDefault(), codeset.memory.size(), 0, aslr_offset, false).IsError()) {

5
src/core/loader/nro.cpp
View file

@ -242,9 +242,8 @@ static bool LoadNroImpl(Core::System& system, Kernel::KProcess& process,
}(); }();
// TODO: this is bad form of ASLR, it sucks // TODO: this is bad form of ASLR, it sucks
size_t aslr_offset = ((::Settings::values.rng_seed_enabled.GetValue() std::uintptr_t aslr_offset = ((::Settings::values.rng_seed_enabled.GetValue()
? ::Settings::values.rng_seed.GetValue() ? ::Settings::values.rng_seed.GetValue() : Common::Random::Random64(0)) << 12) & 0xfff000;
: Common::Random::Random64(0)) * 0x734287f27) & 0xfff000;
// Setup the process code layout // Setup the process code layout
if (process if (process