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nso: Add framework to support patching of uncompressed NSOs
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@ -10,6 +10,7 @@
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#include "common/logging/log.h"
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#include "common/swap.h"
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#include "core/core.h"
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#include "core/file_sys/patch_manager.h"
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#include "core/gdbstub/gdbstub.h"
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#include "core/hle/kernel/kernel.h"
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#include "core/hle/kernel/process.h"
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@ -92,7 +93,8 @@ static constexpr u32 PageAlignSize(u32 size) {
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return (size + Memory::PAGE_MASK) & ~Memory::PAGE_MASK;
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}
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VAddr AppLoader_NSO::LoadModule(FileSys::VirtualFile file, VAddr load_base) {
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VAddr AppLoader_NSO::LoadModule(FileSys::VirtualFile file, VAddr load_base,
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std::shared_ptr<FileSys::PatchManager> pm) {
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if (file == nullptr)
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return {};
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@ -141,6 +143,17 @@ VAddr AppLoader_NSO::LoadModule(FileSys::VirtualFile file, VAddr load_base) {
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const u32 image_size{PageAlignSize(static_cast<u32>(program_image.size()) + bss_size)};
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program_image.resize(image_size);
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// Apply patches if necessary
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if (pm != nullptr && pm->HasNSOPatch(nso_header.build_id)) {
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std::vector<u8> pi_header(program_image.size() + 0x100);
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std::memcpy(pi_header.data(), &nso_header, sizeof(NsoHeader));
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std::memcpy(pi_header.data() + 0x100, program_image.data(), program_image.size());
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pi_header = pm->PatchNSO(pi_header);
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std::memcpy(program_image.data(), pi_header.data() + 0x100, program_image.size());
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}
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// Load codeset for current process
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codeset->name = file->GetName();
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codeset->memory = std::make_shared<std::vector<u8>>(std::move(program_image));
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@ -5,6 +5,7 @@
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#pragma once
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#include "common/common_types.h"
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#include "core/file_sys/patch_manager.h"
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#include "core/loader/linker.h"
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#include "core/loader/loader.h"
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@ -26,7 +27,8 @@ public:
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return IdentifyType(file);
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}
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static VAddr LoadModule(FileSys::VirtualFile file, VAddr load_base);
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static VAddr LoadModule(FileSys::VirtualFile file, VAddr load_base,
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std::shared_ptr<FileSys::PatchManager> pm = nullptr);
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ResultStatus Load(Kernel::Process& process) override;
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};
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