Method addPattern

src/patterngen/pattern_extractor/pattern_extractor.cpp:446–484

* Creates and stores one pattern from given symbol information. * * @param section pointer to symbol associated section * @param name name of the symbol * @param offset symbol offset from start of the section * @param size size of symbol */

 * @param size size of symbol
 */
void PatternExtractor::addPattern(
	const Section *section,
	const std::string &name,
	const unsigned long long offset,
	const unsigned long long size)
{
	std::vector<unsigned char> symbolData;
	if (size && section->getBytes(symbolData, offset, size))
	{
		SymbolPattern pattern(inputFile->isLittleEndian(),
			inputFile->getWordLength());
		pattern.setName(name);
		pattern.setArchitectureName(getArchAsString());
		pattern.setSourcePath(inputFile->getPathToFile());
		pattern.setRuleName(groupName + "_" + std::to_string(patterns.size()));

		// Add relocations.
		for (const auto *relTab : inputFile->getRelocationTables()) {
			for (std::size_t i = 0; i < relTab->getNumberOfRelocations(); ++i) {
				// Get relocation's section link and compare with section index.
				unsigned long long sectionLink;
				auto reloc = relTab->getRelocation(i);
				if (!reloc || !reloc->getLinkToSection(sectionLink)
						|| sectionLink != section->getIndex()) {
					continue;
				}

				auto relocOffset = reloc->getSectionOffset();
				if (relocOffset >= offset && relocOffset < offset + size) {
					const auto mask = reloc->getMask();
					pattern.addReference(reloc->getName(),
						relocOffset - offset, mask);
				}
			}
		}
		pattern.loadData(std::move(symbolData));
		patterns.push_back(pattern);
	}
}

/**
 * Get architecture info as string.