| 309 | } |
| 310 | |
| 311 | bool |
| 312 | CElfSection::Load( |
| 313 | const std::vector<char>& vBinary, |
| 314 | std::size_t shdrOff, |
| 315 | bool is64) |
| 316 | { |
| 317 | // Read the section header (in the simplest way possible). |
| 318 | // More code is needed to deal with cross endian & ELF64 objects. |
| 319 | size_t fileSize = vBinary.size(); |
| 320 | |
| 321 | if (shdrOff + sizeof(Elf32_Shdr) > fileSize) |
| 322 | { |
| 323 | return false; |
| 324 | } |
| 325 | |
| 326 | if (is64) |
| 327 | { |
| 328 | m_Header = *reinterpret_cast<const Elf64_Shdr*>(&vBinary[shdrOff]); |
| 329 | } |
| 330 | else |
| 331 | { |
| 332 | const Elf32_Shdr* shdr32 = reinterpret_cast<const Elf32_Shdr*>(&vBinary[shdrOff]); |
| 333 | |
| 334 | m_Header.sh_name = shdr32->sh_name; |
| 335 | m_Header.sh_type = shdr32->sh_type; |
| 336 | m_Header.sh_flags = shdr32->sh_flags; |
| 337 | m_Header.sh_addr = shdr32->sh_addr; |
| 338 | m_Header.sh_offset = shdr32->sh_offset; |
| 339 | m_Header.sh_size = shdr32->sh_size; |
| 340 | m_Header.sh_link = shdr32->sh_link; |
| 341 | m_Header.sh_info = shdr32->sh_info; |
| 342 | m_Header.sh_addralign = shdr32->sh_addralign; |
| 343 | m_Header.sh_entsize = shdr32->sh_entsize; |
| 344 | } |
| 345 | |
| 346 | if (m_Header.sh_offset + m_Header.sh_size > fileSize) |
| 347 | { |
| 348 | return false; |
| 349 | } |
| 350 | |
| 351 | // Copy the data |
| 352 | m_Data.resize((size_t)m_Header.sh_size); |
| 353 | |
| 354 | if (m_Header.sh_size != 0) |
| 355 | { |
| 356 | memcpy(&m_Data[0], &vBinary[(size_t)m_Header.sh_offset], (size_t)m_Header.sh_size); |
| 357 | } |
| 358 | |
| 359 | return true; |
| 360 | } |
| 361 | |
| 362 | Elf64_Word |
| 363 | CElfSection::GetLink() const |