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loader: apply nso patch to offset program image

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This commit is contained in:
Liam 2023-11-21 23:29:40 -05:00 committed by t895
parent cf534f5149
commit d040b27a35
1 changed files with 6 additions and 4 deletions
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10
src/core/loader/nso.cpp
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@ -145,14 +145,16 @@ std::optional<VAddr> AppLoader_NSO::LoadModule(Kernel::KProcess& process, Core::
// Apply patches if necessary
const auto name = nso_file.GetName();
if (pm && (pm->HasNSOPatch(nso_header.build_id, name) || Settings::values.dump_nso)) {
std::vector<u8> pi_header(sizeof(NSOHeader) + program_image.size());
std::span<u8> patchable_section(program_image.data() + module_start,
program_image.size() - module_start);
std::vector<u8> pi_header(sizeof(NSOHeader) + patchable_section.size());
std::memcpy(pi_header.data(), &nso_header, sizeof(NSOHeader));
std::memcpy(pi_header.data() + sizeof(NSOHeader), program_image.data(),
program_image.size());
std::memcpy(pi_header.data() + sizeof(NSOHeader), patchable_section.data(),
patchable_section.size());
pi_header = pm->PatchNSO(pi_header, name);
std::copy(pi_header.begin() + sizeof(NSOHeader), pi_header.end(), program_image.data());
std::copy(pi_header.begin() + sizeof(NSOHeader), pi_header.end(), patchable_section.data());
}
#ifdef HAS_NCE