mirror of
https://github.com/jakcron/nstool
synced 2024-11-15 10:16:42 +00:00
324 lines
No EOL
8.5 KiB
C++
324 lines
No EOL
8.5 KiB
C++
#include <nx/NsoHeader.h>
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nx::NsoHeader::NsoHeader()
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{
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}
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nx::NsoHeader::NsoHeader(const NsoHeader& other)
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{
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copyFrom(other);
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}
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nx::NsoHeader::NsoHeader(const byte_t* bytes, size_t len)
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{
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importBinary(bytes, len);
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}
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bool nx::NsoHeader::operator==(const NsoHeader& other) const
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{
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return isEqual(other);
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}
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bool nx::NsoHeader::operator!=(const NsoHeader& other) const
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{
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return !(*this == other);
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}
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void nx::NsoHeader::operator=(const NsoHeader& other)
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{
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copyFrom(other);
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}
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const byte_t* nx::NsoHeader::getBytes() const
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{
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return mBinaryBlob.getBytes();
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}
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size_t nx::NsoHeader::getSize() const
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{
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return mBinaryBlob.getSize();
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}
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void nx::NsoHeader::exportBinary()
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{
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mBinaryBlob.alloc(sizeof(sNsoHeader));
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nx::sNsoHeader* hdr = (nx::sNsoHeader*)mBinaryBlob.getBytes();
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// set header identifers
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hdr->signature = nso::kNsoSig;
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hdr->format_version = nso::kDefaultFormatVersion;
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// variable to store flags before commiting to header
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uint32_t flags = 0;
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// set moduleid
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memcpy(hdr->module_id, mModuleId.data, nso::kModuleIdSize);
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// set bss size
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hdr->bss_size = mBssSize;
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// set text segment
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hdr->text.file_offset = mTextSegmentInfo.file_layout.offset;
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hdr->text.memory_offset = mTextSegmentInfo.memory_layout.offset;
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hdr->text.size = mTextSegmentInfo.memory_layout.size;
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hdr->text_file_size = mTextSegmentInfo.file_layout.size;
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if (mTextSegmentInfo.is_compressed)
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{
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flags |= _BIT(nso::FLAG_TEXT_COMPRESS);
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}
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if (mTextSegmentInfo.is_hashed)
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{
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flags |= _BIT(nso::FLAG_TEXT_HASH);
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hdr->text_hash = mTextSegmentInfo.hash;
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}
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// set ro segment
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hdr->ro.file_offset = mRoSegmentInfo.file_layout.offset;
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hdr->ro.memory_offset = mRoSegmentInfo.memory_layout.offset;
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hdr->ro.size = mRoSegmentInfo.memory_layout.size;
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hdr->ro_file_size = mRoSegmentInfo.file_layout.size;
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if (mRoSegmentInfo.is_compressed)
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{
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flags |= _BIT(nso::FLAG_RO_COMPRESS);
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}
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if (mRoSegmentInfo.is_hashed)
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{
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flags |= _BIT(nso::FLAG_RO_HASH);
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hdr->ro_hash = mRoSegmentInfo.hash;
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}
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// set data segment
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hdr->data.file_offset = mDataSegmentInfo.file_layout.offset;
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hdr->data.memory_offset = mDataSegmentInfo.memory_layout.offset;
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hdr->data.size = mDataSegmentInfo.memory_layout.size;
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hdr->data_file_size = mDataSegmentInfo.file_layout.size;
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if (mDataSegmentInfo.is_compressed)
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{
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flags |= _BIT(nso::FLAG_DATA_COMPRESS);
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}
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if (mDataSegmentInfo.is_hashed)
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{
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flags |= _BIT(nso::FLAG_DATA_HASH);
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hdr->data_hash = mDataSegmentInfo.hash;
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}
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// set module name info
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hdr->module_name_offset = mModuleNameInfo.offset;
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hdr->module_name_size = mModuleNameInfo.size;
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// set ro embedded info
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hdr->embedded.offset = mRoEmbeddedInfo.offset;
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hdr->embedded.size = mRoEmbeddedInfo.size;
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// set ro dyn str info
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hdr->dyn_str.offset = mRoDynStrInfo.offset;
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hdr->dyn_str.size = mRoDynStrInfo.size;
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// set ro dyn sym info
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hdr->dyn_sym.offset = mRoDynSymInfo.offset;
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hdr->dyn_sym.size = mRoDynSymInfo.size;
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hdr->flags = flags;
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}
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void nx::NsoHeader::importBinary(const byte_t* bytes, size_t len)
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{
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// check input data size
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if (len < sizeof(sNsoHeader))
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{
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throw fnd::Exception(kModuleName, "NSO header size is too small");
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}
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// clear internal members
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clear();
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// allocate internal local binary copy
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mBinaryBlob.alloc(sizeof(sNsoHeader));
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memcpy(mBinaryBlob.getBytes(), bytes, mBinaryBlob.getSize());
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// get sNsoHeader ptr
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const nx::sNsoHeader* hdr = (const nx::sNsoHeader*)mBinaryBlob.getBytes();
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// check NSO signature
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if (hdr->signature.get() != nso::kNsoSig)
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{
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throw fnd::Exception(kModuleName, "NSO header corrupt (unrecognised header signature)");
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}
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// check NSO format version
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if (hdr->format_version.get() != nso::kDefaultFormatVersion)
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{
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throw fnd::Exception(kModuleName, "NSO header corrupt (unsupported format version)");
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}
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memcpy(mModuleId.data, hdr->module_id, nso::kModuleIdSize);
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mBssSize = hdr->bss_size.get();
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mTextSegmentInfo.file_layout.offset = hdr->text.file_offset.get();
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mTextSegmentInfo.file_layout.size = hdr->text_file_size.get();
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mTextSegmentInfo.memory_layout.offset = hdr->text.memory_offset.get();
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mTextSegmentInfo.memory_layout.size = hdr->text.size.get();
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mTextSegmentInfo.is_compressed = _HAS_BIT(hdr->flags.get(), nso::FLAG_TEXT_COMPRESS);
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mTextSegmentInfo.is_hashed = _HAS_BIT(hdr->flags.get(), nso::FLAG_TEXT_HASH);
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mTextSegmentInfo.hash = hdr->text_hash;
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mRoSegmentInfo.file_layout.offset = hdr->ro.file_offset.get();
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mRoSegmentInfo.file_layout.size = hdr->ro_file_size.get();
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mRoSegmentInfo.memory_layout.offset = hdr->ro.memory_offset.get();
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mRoSegmentInfo.memory_layout.size = hdr->ro.size.get();
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mRoSegmentInfo.is_compressed = _HAS_BIT(hdr->flags.get(), nso::FLAG_RO_COMPRESS);
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mRoSegmentInfo.is_hashed = _HAS_BIT(hdr->flags.get(), nso::FLAG_RO_HASH);
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mRoSegmentInfo.hash = hdr->ro_hash;
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mDataSegmentInfo.file_layout.offset = hdr->data.file_offset.get();
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mDataSegmentInfo.file_layout.size = hdr->data_file_size.get();
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mDataSegmentInfo.memory_layout.offset = hdr->data.memory_offset.get();
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mDataSegmentInfo.memory_layout.size = hdr->data.size.get();
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mDataSegmentInfo.is_compressed = _HAS_BIT(hdr->flags.get(), nso::FLAG_RO_COMPRESS);
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mDataSegmentInfo.is_hashed = _HAS_BIT(hdr->flags.get(), nso::FLAG_RO_HASH);
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mDataSegmentInfo.hash = hdr->data_hash;
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mModuleNameInfo.offset = hdr->module_name_offset.get();
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mModuleNameInfo.size = hdr->module_name_size.get();
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mRoEmbeddedInfo.offset = hdr->embedded.offset.get();
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mRoEmbeddedInfo.size = hdr->embedded.size.get();
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mRoDynStrInfo.offset = hdr->dyn_str.offset.get();
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mRoDynStrInfo.size = hdr->dyn_str.size.get();
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mRoDynSymInfo.offset = hdr->dyn_sym.offset.get();
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mRoDynSymInfo.size = hdr->dyn_sym.size.get();
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}
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void nx::NsoHeader::clear()
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{
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mBinaryBlob.clear();
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memset(&mModuleId, 0, sizeof(mModuleId));
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mBssSize = 0;
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memset(&mTextSegmentInfo, 0, sizeof(mTextSegmentInfo));
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memset(&mRoSegmentInfo, 0, sizeof(mRoSegmentInfo));
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memset(&mDataSegmentInfo, 0, sizeof(mDataSegmentInfo));
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memset(&mModuleNameInfo, 0, sizeof(mModuleNameInfo));
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memset(&mRoEmbeddedInfo, 0, sizeof(mRoEmbeddedInfo));
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memset(&mRoDynStrInfo, 0, sizeof(mRoDynStrInfo));
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memset(&mRoDynSymInfo, 0, sizeof(mRoDynSymInfo));
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}
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const nx::NsoHeader::sModuleId& nx::NsoHeader::getModuleId() const
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{
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return mModuleId;
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}
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void nx::NsoHeader::setModuleId(const sModuleId& id)
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{
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mModuleId = id;
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}
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uint32_t nx::NsoHeader::getBssSize() const
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{
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return mBssSize;
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}
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void nx::NsoHeader::setBssSize(uint32_t size)
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{
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mBssSize = size;
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}
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const nx::NsoHeader::sCodeSegment& nx::NsoHeader::getTextSegmentInfo() const
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{
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return mTextSegmentInfo;
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}
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void nx::NsoHeader::setTextSegmentInfo(const sCodeSegment& info)
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{
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mTextSegmentInfo = info;
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}
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const nx::NsoHeader::sCodeSegment& nx::NsoHeader::getRoSegmentInfo() const
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{
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return mRoSegmentInfo;
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}
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void nx::NsoHeader::setRoSegmentInfo(const sCodeSegment& info)
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{
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mRoSegmentInfo = info;
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}
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const nx::NsoHeader::sCodeSegment& nx::NsoHeader::getDataSegmentInfo() const
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{
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return mDataSegmentInfo;
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}
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void nx::NsoHeader::setDataSegmentInfo(const sCodeSegment& info)
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{
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mDataSegmentInfo = info;
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}
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const nx::NsoHeader::sLayout& nx::NsoHeader::getModuleNameInfo() const
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{
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return mModuleNameInfo;
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}
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void nx::NsoHeader::setModuleNameInfo(const sLayout& info)
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{
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mModuleNameInfo = info;
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}
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const nx::NsoHeader::sLayout& nx::NsoHeader::getRoEmbeddedInfo() const
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{
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return mRoEmbeddedInfo;
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}
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void nx::NsoHeader::setRoEmbeddedInfo(const sLayout& info)
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{
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mRoEmbeddedInfo = info;
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}
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const nx::NsoHeader::sLayout& nx::NsoHeader::getRoDynStrInfo() const
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{
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return mRoDynStrInfo;
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}
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void nx::NsoHeader::setRoDynStrInfo(const sLayout& info)
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{
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mRoDynStrInfo = info;
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}
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const nx::NsoHeader::sLayout& nx::NsoHeader::getRoDynSymInfo() const
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{
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return mRoDynSymInfo;
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}
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void nx::NsoHeader::setRoDynSymInfo(const sLayout& info)
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{
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mRoDynSymInfo = info;
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}
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bool nx::NsoHeader::isEqual(const NsoHeader& other) const
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{
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return (mModuleId == other.mModuleId) \
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&& (mBssSize == other.mBssSize) \
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&& (mTextSegmentInfo == other.mTextSegmentInfo) \
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&& (mRoSegmentInfo == other.mRoSegmentInfo) \
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&& (mDataSegmentInfo == other.mDataSegmentInfo) \
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&& (mModuleNameInfo == other.mModuleNameInfo) \
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&& (mRoEmbeddedInfo == other.mRoEmbeddedInfo) \
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&& (mRoDynStrInfo == other.mRoDynStrInfo) \
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&& (mRoDynSymInfo == other.mRoDynSymInfo);
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}
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void nx::NsoHeader::copyFrom(const NsoHeader& other)
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{
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clear();
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mModuleId = other.mModuleId;
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mBssSize = other.mBssSize;
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mTextSegmentInfo = other.mTextSegmentInfo;
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mRoSegmentInfo = other.mRoSegmentInfo;
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mDataSegmentInfo = other.mDataSegmentInfo;
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mModuleNameInfo = other.mModuleNameInfo;
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mRoEmbeddedInfo = other.mRoEmbeddedInfo;
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mRoDynStrInfo = other.mRoDynStrInfo;
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mRoDynSymInfo = other.mRoDynSymInfo;
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} |