// by zlib-compressed data. This function parses a header to initialize
// `UncompressedSize` member and remove the header from `RawData`.
void InputSectionBase::parseCompressedHeader() {
+ typedef typename ELF64LE::Chdr Chdr64;
+ typedef typename ELF32LE::Chdr Chdr32;
+
// Old-style header
if (Name.startswith(".zdebug")) {
if (!toStringRef(RawData).startswith("ZLIB")) {
// New-style 64-bit header
if (Config->Is64) {
- if (RawData.size() < sizeof(Elf64_Chdr)) {
+ if (RawData.size() < sizeof(Chdr64)) {
error(toString(this) + ": corrupted compressed section");
return;
}
- auto *Hdr = reinterpret_cast<const Elf64_Chdr *>(RawData.data());
- if (read32(&Hdr->ch_type) != ELFCOMPRESS_ZLIB) {
+ auto *Hdr = reinterpret_cast<const Chdr64 *>(RawData.data());
+ if (Hdr->ch_type != ELFCOMPRESS_ZLIB) {
error(toString(this) + ": unsupported compression type");
return;
}
- UncompressedSize = read64(&Hdr->ch_size);
+ UncompressedSize = Hdr->ch_size;
RawData = RawData.slice(sizeof(*Hdr));
return;
}
// New-style 32-bit header
- if (RawData.size() < sizeof(Elf32_Chdr)) {
+ if (RawData.size() < sizeof(Chdr32)) {
error(toString(this) + ": corrupted compressed section");
return;
}
- auto *Hdr = reinterpret_cast<const Elf32_Chdr *>(RawData.data());
- if (read32(&Hdr->ch_type) != ELFCOMPRESS_ZLIB) {
+ auto *Hdr = reinterpret_cast<const Chdr32 *>(RawData.data());
+ if (Hdr->ch_type != ELFCOMPRESS_ZLIB) {
error(toString(this) + ": unsupported compression type");
return;
}
- UncompressedSize = read32(&Hdr->ch_size);
+ UncompressedSize = Hdr->ch_size;
RawData = RawData.slice(sizeof(*Hdr));
}